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-rw-r--r--arch/m32r/kernel/.gitignore1
-rw-r--r--arch/m32r/kernel/Makefile12
-rw-r--r--arch/m32r/kernel/align.c585
-rw-r--r--arch/m32r/kernel/asm-offsets.c15
-rw-r--r--arch/m32r/kernel/entry.S553
-rw-r--r--arch/m32r/kernel/head.S284
-rw-r--r--arch/m32r/kernel/irq.c44
-rw-r--r--arch/m32r/kernel/m32r_ksyms.c89
-rw-r--r--arch/m32r/kernel/module.c203
-rw-r--r--arch/m32r/kernel/process.c154
-rw-r--r--arch/m32r/kernel/ptrace.c708
-rw-r--r--arch/m32r/kernel/setup.c424
-rw-r--r--arch/m32r/kernel/signal.c336
-rw-r--r--arch/m32r/kernel/smp.c836
-rw-r--r--arch/m32r/kernel/smpboot.c627
-rw-r--r--arch/m32r/kernel/sys_m32r.c91
-rw-r--r--arch/m32r/kernel/syscall_table.S328
-rw-r--r--arch/m32r/kernel/time.c199
-rw-r--r--arch/m32r/kernel/traps.c324
-rw-r--r--arch/m32r/kernel/vmlinux.lds.S79
20 files changed, 0 insertions, 5892 deletions
diff --git a/arch/m32r/kernel/.gitignore b/arch/m32r/kernel/.gitignore
deleted file mode 100644
index c5f676c3c224..000000000000
--- a/arch/m32r/kernel/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-vmlinux.lds
diff --git a/arch/m32r/kernel/Makefile b/arch/m32r/kernel/Makefile
deleted file mode 100644
index bd94dca51596..000000000000
--- a/arch/m32r/kernel/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Makefile for the Linux/M32R kernel.
-#
-
-extra-y := head.o vmlinux.lds
-
-obj-y := process.o entry.o traps.o align.o irq.o setup.o time.o \
- m32r_ksyms.o sys_m32r.o signal.o ptrace.o
-
-obj-$(CONFIG_SMP) += smp.o smpboot.o
-obj-$(CONFIG_MODULES) += module.o
diff --git a/arch/m32r/kernel/align.c b/arch/m32r/kernel/align.c
deleted file mode 100644
index 2919a6647aff..000000000000
--- a/arch/m32r/kernel/align.c
+++ /dev/null
@@ -1,585 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * align.c - address exception handler for M32R
- *
- * Copyright (c) 2003 Hitoshi Yamamoto
- */
-
-#include <asm/ptrace.h>
-#include <linux/uaccess.h>
-
-static int get_reg(struct pt_regs *regs, int nr)
-{
- int val;
-
- if (nr < 4)
- val = *(unsigned long *)(&regs->r0 + nr);
- else if (nr < 7)
- val = *(unsigned long *)(&regs->r4 + (nr - 4));
- else if (nr < 13)
- val = *(unsigned long *)(&regs->r7 + (nr - 7));
- else
- val = *(unsigned long *)(&regs->fp + (nr - 13));
-
- return val;
-}
-
-static void set_reg(struct pt_regs *regs, int nr, int val)
-{
- if (nr < 4)
- *(unsigned long *)(&regs->r0 + nr) = val;
- else if (nr < 7)
- *(unsigned long *)(&regs->r4 + (nr - 4)) = val;
- else if (nr < 13)
- *(unsigned long *)(&regs->r7 + (nr - 7)) = val;
- else
- *(unsigned long *)(&regs->fp + (nr - 13)) = val;
-}
-
-#define REG1(insn) (((insn) & 0x0f00) >> 8)
-#define REG2(insn) ((insn) & 0x000f)
-#define PSW_BC 0x100
-
-/* O- instruction */
-#define ISA_LD1 0x20c0 /* ld Rdest, @Rsrc */
-#define ISA_LD2 0x20e0 /* ld Rdest, @Rsrc+ */
-#define ISA_LDH 0x20a0 /* ldh Rdest, @Rsrc */
-#define ISA_LDUH 0x20b0 /* lduh Rdest, @Rsrc */
-#define ISA_ST1 0x2040 /* st Rsrc1, @Rsrc2 */
-#define ISA_ST2 0x2060 /* st Rsrc1, @+Rsrc2 */
-#define ISA_ST3 0x2070 /* st Rsrc1, @-Rsrc2 */
-#define ISA_STH1 0x2020 /* sth Rsrc1, @Rsrc2 */
-#define ISA_STH2 0x2030 /* sth Rsrc1, @Rsrc2+ */
-
-#ifdef CONFIG_ISA_DUAL_ISSUE
-
-/* OS instruction */
-#define ISA_ADD 0x00a0 /* add Rdest, Rsrc */
-#define ISA_ADDI 0x4000 /* addi Rdest, #imm8 */
-#define ISA_ADDX 0x0090 /* addx Rdest, Rsrc */
-#define ISA_AND 0x00c0 /* and Rdest, Rsrc */
-#define ISA_CMP 0x0040 /* cmp Rsrc1, Rsrc2 */
-#define ISA_CMPEQ 0x0060 /* cmpeq Rsrc1, Rsrc2 */
-#define ISA_CMPU 0x0050 /* cmpu Rsrc1, Rsrc2 */
-#define ISA_CMPZ 0x0070 /* cmpz Rsrc */
-#define ISA_LDI 0x6000 /* ldi Rdest, #imm8 */
-#define ISA_MV 0x1080 /* mv Rdest, Rsrc */
-#define ISA_NEG 0x0030 /* neg Rdest, Rsrc */
-#define ISA_NOP 0x7000 /* nop */
-#define ISA_NOT 0x00b0 /* not Rdest, Rsrc */
-#define ISA_OR 0x00e0 /* or Rdest, Rsrc */
-#define ISA_SUB 0x0020 /* sub Rdest, Rsrc */
-#define ISA_SUBX 0x0010 /* subx Rdest, Rsrc */
-#define ISA_XOR 0x00d0 /* xor Rdest, Rsrc */
-
-/* -S instruction */
-#define ISA_MUL 0x1060 /* mul Rdest, Rsrc */
-#define ISA_MULLO_A0 0x3010 /* mullo Rsrc1, Rsrc2, A0 */
-#define ISA_MULLO_A1 0x3090 /* mullo Rsrc1, Rsrc2, A1 */
-#define ISA_MVFACMI_A0 0x50f2 /* mvfacmi Rdest, A0 */
-#define ISA_MVFACMI_A1 0x50f6 /* mvfacmi Rdest, A1 */
-
-static int emu_addi(unsigned short insn, struct pt_regs *regs)
-{
- char imm = (char)(insn & 0xff);
- int dest = REG1(insn);
- int val;
-
- val = get_reg(regs, dest);
- val += imm;
- set_reg(regs, dest, val);
-
- return 0;
-}
-
-static int emu_ldi(unsigned short insn, struct pt_regs *regs)
-{
- char imm = (char)(insn & 0xff);
-
- set_reg(regs, REG1(insn), (int)imm);
-
- return 0;
-}
-
-static int emu_add(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- int src = REG2(insn);
- int val;
-
- val = get_reg(regs, dest);
- val += get_reg(regs, src);
- set_reg(regs, dest, val);
-
- return 0;
-}
-
-static int emu_addx(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- unsigned int val, tmp;
-
- val = regs->psw & PSW_BC ? 1 : 0;
- tmp = get_reg(regs, dest);
- val += tmp;
- val += (unsigned int)get_reg(regs, REG2(insn));
- set_reg(regs, dest, val);
-
- /* C bit set */
- if (val < tmp)
- regs->psw |= PSW_BC;
- else
- regs->psw &= ~(PSW_BC);
-
- return 0;
-}
-
-static int emu_and(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- int val;
-
- val = get_reg(regs, dest);
- val &= get_reg(regs, REG2(insn));
- set_reg(regs, dest, val);
-
- return 0;
-}
-
-static int emu_cmp(unsigned short insn, struct pt_regs *regs)
-{
- if (get_reg(regs, REG1(insn)) < get_reg(regs, REG2(insn)))
- regs->psw |= PSW_BC;
- else
- regs->psw &= ~(PSW_BC);
-
- return 0;
-}
-
-static int emu_cmpeq(unsigned short insn, struct pt_regs *regs)
-{
- if (get_reg(regs, REG1(insn)) == get_reg(regs, REG2(insn)))
- regs->psw |= PSW_BC;
- else
- regs->psw &= ~(PSW_BC);
-
- return 0;
-}
-
-static int emu_cmpu(unsigned short insn, struct pt_regs *regs)
-{
- if ((unsigned int)get_reg(regs, REG1(insn))
- < (unsigned int)get_reg(regs, REG2(insn)))
- regs->psw |= PSW_BC;
- else
- regs->psw &= ~(PSW_BC);
-
- return 0;
-}
-
-static int emu_cmpz(unsigned short insn, struct pt_regs *regs)
-{
- if (!get_reg(regs, REG2(insn)))
- regs->psw |= PSW_BC;
- else
- regs->psw &= ~(PSW_BC);
-
- return 0;
-}
-
-static int emu_mv(unsigned short insn, struct pt_regs *regs)
-{
- int val;
-
- val = get_reg(regs, REG2(insn));
- set_reg(regs, REG1(insn), val);
-
- return 0;
-}
-
-static int emu_neg(unsigned short insn, struct pt_regs *regs)
-{
- int val;
-
- val = get_reg(regs, REG2(insn));
- set_reg(regs, REG1(insn), 0 - val);
-
- return 0;
-}
-
-static int emu_not(unsigned short insn, struct pt_regs *regs)
-{
- int val;
-
- val = get_reg(regs, REG2(insn));
- set_reg(regs, REG1(insn), ~val);
-
- return 0;
-}
-
-static int emu_or(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- int val;
-
- val = get_reg(regs, dest);
- val |= get_reg(regs, REG2(insn));
- set_reg(regs, dest, val);
-
- return 0;
-}
-
-static int emu_sub(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- int val;
-
- val = get_reg(regs, dest);
- val -= get_reg(regs, REG2(insn));
- set_reg(regs, dest, val);
-
- return 0;
-}
-
-static int emu_subx(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- unsigned int val, tmp;
-
- val = tmp = get_reg(regs, dest);
- val -= (unsigned int)get_reg(regs, REG2(insn));
- val -= regs->psw & PSW_BC ? 1 : 0;
- set_reg(regs, dest, val);
-
- /* C bit set */
- if (val > tmp)
- regs->psw |= PSW_BC;
- else
- regs->psw &= ~(PSW_BC);
-
- return 0;
-}
-
-static int emu_xor(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- unsigned int val;
-
- val = (unsigned int)get_reg(regs, dest);
- val ^= (unsigned int)get_reg(regs, REG2(insn));
- set_reg(regs, dest, val);
-
- return 0;
-}
-
-static int emu_mul(unsigned short insn, struct pt_regs *regs)
-{
- int dest = REG1(insn);
- int reg1, reg2;
-
- reg1 = get_reg(regs, dest);
- reg2 = get_reg(regs, REG2(insn));
-
- __asm__ __volatile__ (
- "mul %0, %1; \n\t"
- : "+r" (reg1) : "r" (reg2)
- );
-
- set_reg(regs, dest, reg1);
-
- return 0;
-}
-
-static int emu_mullo_a0(unsigned short insn, struct pt_regs *regs)
-{
- int reg1, reg2;
-
- reg1 = get_reg(regs, REG1(insn));
- reg2 = get_reg(regs, REG2(insn));
-
- __asm__ __volatile__ (
- "mullo %0, %1, a0; \n\t"
- "mvfachi %0, a0; \n\t"
- "mvfaclo %1, a0; \n\t"
- : "+r" (reg1), "+r" (reg2)
- );
-
- regs->acc0h = reg1;
- regs->acc0l = reg2;
-
- return 0;
-}
-
-static int emu_mullo_a1(unsigned short insn, struct pt_regs *regs)
-{
- int reg1, reg2;
-
- reg1 = get_reg(regs, REG1(insn));
- reg2 = get_reg(regs, REG2(insn));
-
- __asm__ __volatile__ (
- "mullo %0, %1, a0; \n\t"
- "mvfachi %0, a0; \n\t"
- "mvfaclo %1, a0; \n\t"
- : "+r" (reg1), "+r" (reg2)
- );
-
- regs->acc1h = reg1;
- regs->acc1l = reg2;
-
- return 0;
-}
-
-static int emu_mvfacmi_a0(unsigned short insn, struct pt_regs *regs)
-{
- unsigned long val;
-
- val = (regs->acc0h << 16) | (regs->acc0l >> 16);
- set_reg(regs, REG1(insn), (int)val);
-
- return 0;
-}
-
-static int emu_mvfacmi_a1(unsigned short insn, struct pt_regs *regs)
-{
- unsigned long val;
-
- val = (regs->acc1h << 16) | (regs->acc1l >> 16);
- set_reg(regs, REG1(insn), (int)val);
-
- return 0;
-}
-
-static int emu_m32r2(unsigned short insn, struct pt_regs *regs)
-{
- int res = -1;
-
- if ((insn & 0x7fff) == ISA_NOP) /* nop */
- return 0;
-
- switch(insn & 0x7000) {
- case ISA_ADDI: /* addi Rdest, #imm8 */
- res = emu_addi(insn, regs);
- break;
- case ISA_LDI: /* ldi Rdest, #imm8 */
- res = emu_ldi(insn, regs);
- break;
- default:
- break;
- }
-
- if (!res)
- return 0;
-
- switch(insn & 0x70f0) {
- case ISA_ADD: /* add Rdest, Rsrc */
- res = emu_add(insn, regs);
- break;
- case ISA_ADDX: /* addx Rdest, Rsrc */
- res = emu_addx(insn, regs);
- break;
- case ISA_AND: /* and Rdest, Rsrc */
- res = emu_and(insn, regs);
- break;
- case ISA_CMP: /* cmp Rsrc1, Rsrc2 */
- res = emu_cmp(insn, regs);
- break;
- case ISA_CMPEQ: /* cmpeq Rsrc1, Rsrc2 */
- res = emu_cmpeq(insn, regs);
- break;
- case ISA_CMPU: /* cmpu Rsrc1, Rsrc2 */
- res = emu_cmpu(insn, regs);
- break;
- case ISA_CMPZ: /* cmpz Rsrc */
- res = emu_cmpz(insn, regs);
- break;
- case ISA_MV: /* mv Rdest, Rsrc */
- res = emu_mv(insn, regs);
- break;
- case ISA_NEG: /* neg Rdest, Rsrc */
- res = emu_neg(insn, regs);
- break;
- case ISA_NOT: /* not Rdest, Rsrc */
- res = emu_not(insn, regs);
- break;
- case ISA_OR: /* or Rdest, Rsrc */
- res = emu_or(insn, regs);
- break;
- case ISA_SUB: /* sub Rdest, Rsrc */
- res = emu_sub(insn, regs);
- break;
- case ISA_SUBX: /* subx Rdest, Rsrc */
- res = emu_subx(insn, regs);
- break;
- case ISA_XOR: /* xor Rdest, Rsrc */
- res = emu_xor(insn, regs);
- break;
- case ISA_MUL: /* mul Rdest, Rsrc */
- res = emu_mul(insn, regs);
- break;
- case ISA_MULLO_A0: /* mullo Rsrc1, Rsrc2 */
- res = emu_mullo_a0(insn, regs);
- break;
- case ISA_MULLO_A1: /* mullo Rsrc1, Rsrc2 */
- res = emu_mullo_a1(insn, regs);
- break;
- default:
- break;
- }
-
- if (!res)
- return 0;
-
- switch(insn & 0x70ff) {
- case ISA_MVFACMI_A0: /* mvfacmi Rdest */
- res = emu_mvfacmi_a0(insn, regs);
- break;
- case ISA_MVFACMI_A1: /* mvfacmi Rdest */
- res = emu_mvfacmi_a1(insn, regs);
- break;
- default:
- break;
- }
-
- return res;
-}
-
-#endif /* CONFIG_ISA_DUAL_ISSUE */
-
-/*
- * ld : ?010 dest 1100 src
- * 0010 dest 1110 src : ld Rdest, @Rsrc+
- * ldh : ?010 dest 1010 src
- * lduh : ?010 dest 1011 src
- * st : ?010 src1 0100 src2
- * 0010 src1 0110 src2 : st Rsrc1, @+Rsrc2
- * 0010 src1 0111 src2 : st Rsrc1, @-Rsrc2
- * sth : ?010 src1 0010 src2
- */
-
-static int insn_check(unsigned long insn, struct pt_regs *regs,
- unsigned char **ucp)
-{
- int res = 0;
-
- /*
- * 32bit insn
- * ld Rdest, @(disp16, Rsrc)
- * st Rdest, @(disp16, Rsrc)
- */
- if (insn & 0x80000000) { /* 32bit insn */
- *ucp += (short)(insn & 0x0000ffff);
- regs->bpc += 4;
- } else { /* 16bit insn */
-#ifdef CONFIG_ISA_DUAL_ISSUE
- /* parallel exec check */
- if (!(regs->bpc & 0x2) && insn & 0x8000) {
- res = emu_m32r2((unsigned short)insn, regs);
- regs->bpc += 4;
- } else
-#endif /* CONFIG_ISA_DUAL_ISSUE */
- regs->bpc += 2;
- }
-
- return res;
-}
-
-static int emu_ld(unsigned long insn32, struct pt_regs *regs)
-{
- unsigned char *ucp;
- unsigned long val;
- unsigned short insn16;
- int size, src;
-
- insn16 = insn32 >> 16;
- src = REG2(insn16);
- ucp = (unsigned char *)get_reg(regs, src);
-
- if (insn_check(insn32, regs, &ucp))
- return -1;
-
- size = insn16 & 0x0040 ? 4 : 2;
- if (copy_from_user(&val, ucp, size))
- return -1;
-
- if (size == 2)
- val >>= 16;
-
- /* ldh sign check */
- if ((insn16 & 0x00f0) == 0x00a0 && (val & 0x8000))
- val |= 0xffff0000;
-
- set_reg(regs, REG1(insn16), val);
-
- /* ld increment check */
- if ((insn16 & 0xf0f0) == ISA_LD2) /* ld Rdest, @Rsrc+ */
- set_reg(regs, src, (unsigned long)(ucp + 4));
-
- return 0;
-}
-
-static int emu_st(unsigned long insn32, struct pt_regs *regs)
-{
- unsigned char *ucp;
- unsigned long val;
- unsigned short insn16;
- int size, src2;
-
- insn16 = insn32 >> 16;
- src2 = REG2(insn16);
-
- ucp = (unsigned char *)get_reg(regs, src2);
-
- if (insn_check(insn32, regs, &ucp))
- return -1;
-
- size = insn16 & 0x0040 ? 4 : 2;
- val = get_reg(regs, REG1(insn16));
- if (size == 2)
- val <<= 16;
-
- /* st inc/dec check */
- if ((insn16 & 0xf0e0) == 0x2060) {
- if (insn16 & 0x0010)
- ucp -= 4;
- else
- ucp += 4;
-
- set_reg(regs, src2, (unsigned long)ucp);
- }
-
- if (copy_to_user(ucp, &val, size))
- return -1;
-
- /* sth inc check */
- if ((insn16 & 0xf0f0) == ISA_STH2) {
- ucp += 2;
- set_reg(regs, src2, (unsigned long)ucp);
- }
-
- return 0;
-}
-
-int handle_unaligned_access(unsigned long insn32, struct pt_regs *regs)
-{
- unsigned short insn16;
- int res;
-
- insn16 = insn32 >> 16;
-
- /* ld or st check */
- if ((insn16 & 0x7000) != 0x2000)
- return -1;
-
- /* insn alignment check */
- if ((insn16 & 0x8000) && (regs->bpc & 3))
- return -1;
-
- if (insn16 & 0x0080) /* ld */
- res = emu_ld(insn32, regs);
- else /* st */
- res = emu_st(insn32, regs);
-
- return res;
-}
-
diff --git a/arch/m32r/kernel/asm-offsets.c b/arch/m32r/kernel/asm-offsets.c
deleted file mode 100644
index 7cb90b459e07..000000000000
--- a/arch/m32r/kernel/asm-offsets.c
+++ /dev/null
@@ -1,15 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/thread_info.h>
-#include <linux/kbuild.h>
-
-int foo(void)
-{
- OFFSET(TI_TASK, thread_info, task);
- OFFSET(TI_FLAGS, thread_info, flags);
- OFFSET(TI_STATUS, thread_info, status);
- OFFSET(TI_CPU, thread_info, cpu);
- OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
- OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
-
- return 0;
-}
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S
deleted file mode 100644
index bbf48f2aa2a7..000000000000
--- a/arch/m32r/kernel/entry.S
+++ /dev/null
@@ -1,553 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * linux/arch/m32r/kernel/entry.S
- *
- * Copyright (c) 2001, 2002 Hirokazu Takata, Hitoshi Yamamoto, H. Kondo
- * Copyright (c) 2003 Hitoshi Yamamoto
- * Copyright (c) 2004 Hirokazu Takata <takata at linux-m32r.org>
- *
- * Taken from i386 version.
- * Copyright (C) 1991, 1992 Linus Torvalds
- */
-
-/*
- * entry.S contains the system-call and fault low-level handling routines.
- * This also contains the timer-interrupt handler, as well as all interrupts
- * and faults that can result in a task-switch.
- *
- * NOTE: This code handles signal-recognition, which happens every time
- * after a timer-interrupt and after each system call.
- *
- * Stack layout in 'ret_from_system_call':
- * ptrace needs to have all regs on the stack.
- * if the order here is changed, it needs to be
- * updated in fork.c:copy_thread, signal.c:do_signal,
- * ptrace.c and ptrace.h
- *
- * M32R/M32Rx/M32R2
- * @(sp) - r4
- * @(0x04,sp) - r5
- * @(0x08,sp) - r6
- * @(0x0c,sp) - *pt_regs
- * @(0x10,sp) - r0
- * @(0x14,sp) - r1
- * @(0x18,sp) - r2
- * @(0x1c,sp) - r3
- * @(0x20,sp) - r7
- * @(0x24,sp) - r8
- * @(0x28,sp) - r9
- * @(0x2c,sp) - r10
- * @(0x30,sp) - r11
- * @(0x34,sp) - r12
- * @(0x38,sp) - syscall_nr
- * @(0x3c,sp) - acc0h
- * @(0x40,sp) - acc0l
- * @(0x44,sp) - acc1h ; ISA_DSP_LEVEL2 only
- * @(0x48,sp) - acc1l ; ISA_DSP_LEVEL2 only
- * @(0x4c,sp) - psw
- * @(0x50,sp) - bpc
- * @(0x54,sp) - bbpsw
- * @(0x58,sp) - bbpc
- * @(0x5c,sp) - spu (cr3)
- * @(0x60,sp) - fp (r13)
- * @(0x64,sp) - lr (r14)
- * @(0x68,sp) - spi (cr2)
- * @(0x6c,sp) - orig_r0
- */
-
-#include <linux/linkage.h>
-#include <asm/irq.h>
-#include <asm/unistd.h>
-#include <asm/assembler.h>
-#include <asm/thread_info.h>
-#include <asm/errno.h>
-#include <asm/segment.h>
-#include <asm/smp.h>
-#include <asm/page.h>
-#include <asm/m32r.h>
-#include <asm/mmu_context.h>
-#include <asm/asm-offsets.h>
-
-#if !defined(CONFIG_MMU)
-#define sys_madvise sys_ni_syscall
-#define sys_readahead sys_ni_syscall
-#define sys_mprotect sys_ni_syscall
-#define sys_msync sys_ni_syscall
-#define sys_mlock sys_ni_syscall
-#define sys_munlock sys_ni_syscall
-#define sys_mlockall sys_ni_syscall
-#define sys_munlockall sys_ni_syscall
-#define sys_mremap sys_ni_syscall
-#define sys_mincore sys_ni_syscall
-#define sys_remap_file_pages sys_ni_syscall
-#endif /* CONFIG_MMU */
-
-#define R4(reg) @reg
-#define R5(reg) @(0x04,reg)
-#define R6(reg) @(0x08,reg)
-#define PTREGS(reg) @(0x0C,reg)
-#define R0(reg) @(0x10,reg)
-#define R1(reg) @(0x14,reg)
-#define R2(reg) @(0x18,reg)
-#define R3(reg) @(0x1C,reg)
-#define R7(reg) @(0x20,reg)
-#define R8(reg) @(0x24,reg)
-#define R9(reg) @(0x28,reg)
-#define R10(reg) @(0x2C,reg)
-#define R11(reg) @(0x30,reg)
-#define R12(reg) @(0x34,reg)
-#define SYSCALL_NR(reg) @(0x38,reg)
-#define ACC0H(reg) @(0x3C,reg)
-#define ACC0L(reg) @(0x40,reg)
-#define ACC1H(reg) @(0x44,reg)
-#define ACC1L(reg) @(0x48,reg)
-#define PSW(reg) @(0x4C,reg)
-#define BPC(reg) @(0x50,reg)
-#define BBPSW(reg) @(0x54,reg)
-#define BBPC(reg) @(0x58,reg)
-#define SPU(reg) @(0x5C,reg)
-#define FP(reg) @(0x60,reg) /* FP = R13 */
-#define LR(reg) @(0x64,reg)
-#define SP(reg) @(0x68,reg)
-#define ORIG_R0(reg) @(0x6C,reg)
-
-#define nr_syscalls ((syscall_table_size)/4)
-
-#ifdef CONFIG_PREEMPT
-#define preempt_stop(x) DISABLE_INTERRUPTS(x)
-#else
-#define preempt_stop(x)
-#define resume_kernel restore_all
-#endif
-
-/* how to get the thread information struct from ASM */
-#define GET_THREAD_INFO(reg) GET_THREAD_INFO reg
- .macro GET_THREAD_INFO reg
- ldi \reg, #-THREAD_SIZE
- and \reg, sp
- .endm
-
-ENTRY(ret_from_kernel_thread)
- pop r0
- bl schedule_tail
- GET_THREAD_INFO(r8)
- ld r0, R0(r8)
- ld r1, R1(r8)
- jl r1
- bra syscall_exit
-
-ENTRY(ret_from_fork)
- pop r0
- bl schedule_tail
- GET_THREAD_INFO(r8)
- bra syscall_exit
-
-/*
- * Return to user mode is not as complex as all this looks,
- * but we want the default path for a system call return to
- * go as quickly as possible which is why some of this is
- * less clear than it otherwise should be.
- */
-
- ; userspace resumption stub bypassing syscall exit tracing
- ALIGN
-ret_from_exception:
- preempt_stop(r4)
-ret_from_intr:
- ld r4, PSW(sp)
-#ifdef CONFIG_ISA_M32R2
- and3 r4, r4, #0x8800 ; check BSM and BPM bits
-#else
- and3 r4, r4, #0x8000 ; check BSM bit
-#endif
- beqz r4, resume_kernel
-resume_userspace:
- DISABLE_INTERRUPTS(r4) ; make sure we don't miss an interrupt
- ; setting need_resched or sigpending
- ; between sampling and the iret
- GET_THREAD_INFO(r8)
- ld r9, @(TI_FLAGS, r8)
- and3 r4, r9, #_TIF_WORK_MASK ; is there any work to be done on
- ; int/exception return?
- bnez r4, work_pending
- bra restore_all
-
-#ifdef CONFIG_PREEMPT
-ENTRY(resume_kernel)
- GET_THREAD_INFO(r8)
- ld r9, @(TI_PRE_COUNT, r8) ; non-zero preempt_count ?
- bnez r9, restore_all
-need_resched:
- ld r9, @(TI_FLAGS, r8) ; need_resched set ?
- and3 r4, r9, #_TIF_NEED_RESCHED
- beqz r4, restore_all
- ld r4, PSW(sp) ; interrupts off (exception path) ?
- and3 r4, r4, #0x4000
- beqz r4, restore_all
- bl preempt_schedule_irq
- bra need_resched
-#endif
-
- ; system call handler stub
-ENTRY(system_call)
- SWITCH_TO_KERNEL_STACK
- SAVE_ALL
- ENABLE_INTERRUPTS(r4) ; Enable interrupt
- st sp, PTREGS(sp) ; implicit pt_regs parameter
- cmpui r7, #NR_syscalls
- bnc syscall_badsys
- st r7, SYSCALL_NR(sp) ; syscall_nr
- ; system call tracing in operation
- GET_THREAD_INFO(r8)
- ld r9, @(TI_FLAGS, r8)
- and3 r4, r9, #_TIF_SYSCALL_TRACE
- bnez r4, syscall_trace_entry
-syscall_call:
- slli r7, #2 ; table jump for the system call
- LDIMM (r4, sys_call_table)
- add r7, r4
- ld r7, @r7
- jl r7 ; execute system call
- st r0, R0(sp) ; save the return value
-syscall_exit:
- DISABLE_INTERRUPTS(r4) ; make sure we don't miss an interrupt
- ; setting need_resched or sigpending
- ; between sampling and the iret
- ld r9, @(TI_FLAGS, r8)
- and3 r4, r9, #_TIF_ALLWORK_MASK ; current->work
- bnez r4, syscall_exit_work
-restore_all:
- RESTORE_ALL
-
- # perform work that needs to be done immediately before resumption
- # r9 : flags
- ALIGN
-work_pending:
- and3 r4, r9, #_TIF_NEED_RESCHED
- beqz r4, work_notifysig
-work_resched:
- bl schedule
- DISABLE_INTERRUPTS(r4) ; make sure we don't miss an interrupt
- ; setting need_resched or sigpending
- ; between sampling and the iret
- ld r9, @(TI_FLAGS, r8)
- and3 r4, r9, #_TIF_WORK_MASK ; is there any work to be done other
- ; than syscall tracing?
- beqz r4, restore_all
- and3 r4, r4, #_TIF_NEED_RESCHED
- bnez r4, work_resched
-
-work_notifysig: ; deal with pending signals and
- ; notify-resume requests
- mv r0, sp ; arg1 : struct pt_regs *regs
- mv r1, r9 ; arg2 : __u32 thread_info_flags
- bl do_notify_resume
- bra resume_userspace
-
- ; perform syscall exit tracing
- ALIGN
-syscall_trace_entry:
- ldi r4, #-ENOSYS
- st r4, R0(sp)
- bl do_syscall_trace
- ld r0, ORIG_R0(sp)
- ld r1, R1(sp)
- ld r2, R2(sp)
- ld r3, R3(sp)
- ld r4, R4(sp)
- ld r5, R5(sp)
- ld r6, R6(sp)
- ld r7, SYSCALL_NR(sp)
- cmpui r7, #NR_syscalls
- bc syscall_call
- bra syscall_exit
-
- ; perform syscall exit tracing
- ALIGN
-syscall_exit_work:
- ld r9, @(TI_FLAGS, r8)
- and3 r4, r9, #_TIF_SYSCALL_TRACE
- beqz r4, work_pending
- ENABLE_INTERRUPTS(r4) ; could let do_syscall_trace() call
- ; schedule() instead
- bl do_syscall_trace
- bra resume_userspace
-
- ALIGN
-syscall_fault:
- SAVE_ALL
- GET_THREAD_INFO(r8)
- ldi r4, #-EFAULT
- st r4, R0(sp)
- bra resume_userspace
-
- ALIGN
-syscall_badsys:
- ldi r4, #-ENOSYS
- st r4, R0(sp)
- bra resume_userspace
-
- .global eit_vector
-
- .equ ei_vec_table, eit_vector + 0x0200
-
-/*
- * EI handler routine
- */
-ENTRY(ei_handler)
-#if defined(CONFIG_CHIP_M32700)
- ; WORKAROUND: force to clear SM bit and use the kernel stack (SPI).
- SWITCH_TO_KERNEL_STACK
-#endif
- SAVE_ALL
- mv r1, sp ; arg1(regs)
- ; get ICU status
- seth r0, #shigh(M32R_ICU_ISTS_ADDR)
- ld r0, @(low(M32R_ICU_ISTS_ADDR),r0)
- push r0
-#if defined(CONFIG_SMP)
- /*
- * If IRQ == 0 --> Nothing to do, Not write IMASK
- * If IRQ == IPI --> Do IPI handler, Not write IMASK
- * If IRQ != 0, IPI --> Do do_IRQ(), Write IMASK
- */
- slli r0, #4
- srli r0, #24 ; r0(irq_num<<2)
- ;; IRQ exist check
-#if defined(CONFIG_CHIP_M32700)
- /* WORKAROUND: IMASK bug M32700-TS1, TS2 chip. */
- bnez r0, 0f
- ld24 r14, #0x00070000
- seth r0, #shigh(M32R_ICU_IMASK_ADDR)
- st r14, @(low(M32R_ICU_IMASK_ADDR),r0)
- bra 1f
- .fillinsn
-0:
-#endif /* CONFIG_CHIP_M32700 */
- beqz r0, 1f ; if (!irq_num) goto exit
- ;; IPI check
- cmpi r0, #(M32R_IRQ_IPI0<<2) ; ISN < IPI0 check
- bc 2f
- cmpi r0, #((M32R_IRQ_IPI7+1)<<2) ; ISN > IPI7 check
- bnc 2f
- LDIMM (r2, ei_vec_table)
- add r2, r0
- ld r2, @r2
- beqz r2, 1f ; if (no IPI handler) goto exit
- mv r0, r1 ; arg0(regs)
- jl r2
- .fillinsn
-1:
- addi sp, #4
- bra restore_all
- .fillinsn
-2:
- srli r0, #2
-#else /* not CONFIG_SMP */
- srli r0, #22 ; r0(irq)
-#endif /* not CONFIG_SMP */
-
-#if defined(CONFIG_PLAT_HAS_INT1ICU)
- add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt
- bnez r2, 3f
- seth r0, #shigh(M32R_INT1ICU_ISTS)
- lduh r0, @(low(M32R_INT1ICU_ISTS),r0) ; bit10-6 : ISN
- slli r0, #21
- srli r0, #27 ; ISN
- addi r0, #(M32R_INT1ICU_IRQ_BASE)
- bra check_end
- .fillinsn
-3:
-#endif /* CONFIG_PLAT_HAS_INT1ICU */
-#if defined(CONFIG_PLAT_HAS_INT0ICU)
- add3 r2, r0, #-(M32R_IRQ_INT0) ; INT0# interrupt
- bnez r2, 4f
- seth r0, #shigh(M32R_INT0ICU_ISTS)
- lduh r0, @(low(M32R_INT0ICU_ISTS),r0) ; bit10-6 : ISN
- slli r0, #21
- srli r0, #27 ; ISN
- add3 r0, r0, #(M32R_INT0ICU_IRQ_BASE)
- bra check_end
- .fillinsn
-4:
-#endif /* CONFIG_PLAT_HAS_INT0ICU */
-#if defined(CONFIG_PLAT_HAS_INT2ICU)
- add3 r2, r0, #-(M32R_IRQ_INT2) ; INT2# interrupt
- bnez r2, 5f
- seth r0, #shigh(M32R_INT2ICU_ISTS)
- lduh r0, @(low(M32R_INT2ICU_ISTS),r0) ; bit10-6 : ISN
- slli r0, #21
- srli r0, #27 ; ISN
- add3 r0, r0, #(M32R_INT2ICU_IRQ_BASE)
- ; bra check_end
- .fillinsn
-5:
-#endif /* CONFIG_PLAT_HAS_INT2ICU */
-
-check_end:
- bl do_IRQ
- pop r14
- seth r0, #shigh(M32R_ICU_IMASK_ADDR)
- st r14, @(low(M32R_ICU_IMASK_ADDR),r0)
- bra ret_from_intr
-
-/*
- * Default EIT handler
- */
- ALIGN
-int_msg:
- .asciz "Unknown interrupt\n"
- .byte 0
-
-ENTRY(default_eit_handler)
- push r0
- mvfc r0, psw
- push r1
- push r2
- push r3
- push r0
- LDIMM (r0, __KERNEL_DS)
- mv r0, r1
- mv r0, r2
- LDIMM (r0, int_msg)
- bl printk
- pop r0
- pop r3
- pop r2
- pop r1
- mvtc r0, psw
- pop r0
-infinit:
- bra infinit
-
-#ifdef CONFIG_MMU
-/*
- * Access Exception handler
- */
-ENTRY(ace_handler)
- SWITCH_TO_KERNEL_STACK
- SAVE_ALL
-
- seth r2, #shigh(MMU_REG_BASE) /* Check status register */
- ld r4, @(low(MESTS_offset),r2)
- st r4, @(low(MESTS_offset),r2)
- srl3 r1, r4, #4
-#ifdef CONFIG_CHIP_M32700
- and3 r1, r1, #0x0000ffff
- ; WORKAROUND: ignore TME bit for the M32700(TS1).
-#endif /* CONFIG_CHIP_M32700 */
- beqz r1, inst
-oprand:
- ld r2, @(low(MDEVA_offset),r2) ; set address
- srli r1, #1
- bra 1f
-inst:
- and3 r1, r4, #2
- srli r1, #1
- or3 r1, r1, #8
- mvfc r2, bpc ; set address
- .fillinsn
-1:
- mvfc r3, psw
- mv r0, sp
- and3 r3, r3, 0x800
- srli r3, #9
- or r1, r3
- /*
- * do_page_fault():
- * r0 : struct pt_regs *regs
- * r1 : unsigned long error-code
- * r2 : unsigned long address
- * error-code:
- * +------+------+------+------+
- * | bit3 | bit2 | bit1 | bit0 |
- * +------+------+------+------+
- * bit 3 == 0:means data, 1:means instruction
- * bit 2 == 0:means kernel, 1:means user-mode
- * bit 1 == 0:means read, 1:means write
- * bit 0 == 0:means no page found 1:means protection fault
- *
- */
- bl do_page_fault
- bra ret_from_intr
-#endif /* CONFIG_MMU */
-
-
-ENTRY(alignment_check)
- /* void alignment_check(int error_code) */
- SWITCH_TO_KERNEL_STACK
- SAVE_ALL
- ldi r1, #0x30 ; error_code
- mv r0, sp ; pt_regs
- bl do_alignment_check
-error_code:
- bra ret_from_exception
-
-ENTRY(rie_handler)
- /* void rie_handler(int error_code) */
- SWITCH_TO_KERNEL_STACK
- SAVE_ALL
- ldi r1, #0x20 ; error_code
- mv r0, sp ; pt_regs
- bl do_rie_handler
- bra error_code
-
-ENTRY(pie_handler)
- /* void pie_handler(int error_code) */
- SWITCH_TO_KERNEL_STACK
- SAVE_ALL
- ldi r1, #0 ; error_code ; FIXME
- mv r0, sp ; pt_regs
- bl do_pie_handler
- bra error_code
-
-ENTRY(debug_trap)
- /* void debug_trap(void) */
- .global withdraw_debug_trap
- SWITCH_TO_KERNEL_STACK
- SAVE_ALL
- mv r0, sp ; pt_regs
- bl withdraw_debug_trap
- ldi r1, #0 ; error_code
- mv r0, sp ; pt_regs
- bl do_debug_trap
- bra error_code
-
-ENTRY(ill_trap)
- /* void ill_trap(void) */
- SWITCH_TO_KERNEL_STACK
- SAVE_ALL
- ldi r1, #0 ; error_code ; FIXME
- mv r0, sp ; pt_regs
- bl do_ill_trap
- bra error_code
-
-ENTRY(cache_flushing_handler)
- /* void _flush_cache_all(void); */
- .global _flush_cache_all
- SWITCH_TO_KERNEL_STACK
- push r0
- push r1
- push r2
- push r3
- push r4
- push r5
- push r6
- push r7
- push lr
- bl _flush_cache_all
- pop lr
- pop r7
- pop r6
- pop r5
- pop r4
- pop r3
- pop r2
- pop r1
- pop r0
- rte
-
- .section .rodata,"a"
-#include "syscall_table.S"
-
-syscall_table_size=(.-sys_call_table)
diff --git a/arch/m32r/kernel/head.S b/arch/m32r/kernel/head.S
deleted file mode 100644
index 1f040973df1c..000000000000
--- a/arch/m32r/kernel/head.S
+++ /dev/null
@@ -1,284 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * linux/arch/m32r/kernel/head.S
- *
- * M32R startup code.
- *
- * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata,
- * Hitoshi Yamamoto
- */
-
-#include <linux/init.h>
-__INIT
-__INITDATA
-
- .text
-#include <linux/linkage.h>
-#include <asm/segment.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/assembler.h>
-#include <asm/m32r.h>
-#include <asm/mmu_context.h>
-
-/*
- * References to members of the boot_cpu_data structure.
- */
-__HEAD
- .global start_kernel
- .global __bss_start
- .global _end
-ENTRY(stext)
-ENTRY(_stext)
- /* Setup up the stack pointer */
- LDIMM (r0, spi_stack_top)
- LDIMM (r1, spu_stack_top)
- mvtc r0, spi
- mvtc r1, spu
-
- /* Initilalize PSW */
- ldi r0, #0x0000 /* use SPI, disable EI */
- mvtc r0, psw
-
- /* Set up the stack pointer */
- LDIMM (r0, stack_start)
- ld r0, @r0
- mvtc r0, spi
-
-/*
- * Clear BSS first so that there are no surprises...
- */
-#ifdef CONFIG_ISA_DUAL_ISSUE
-
- LDIMM (r2, __bss_start)
- LDIMM (r3, _end)
- sub r3, r2 ; BSS size in bytes
- ; R4 = BSS size in longwords (rounded down)
- mv r4, r3 || ldi r1, #0
- srli r4, #4 || addi r2, #-4
- beqz r4, .Lendloop1
-.Lloop1:
-#ifndef CONFIG_CHIP_M32310
- ; Touch memory for the no-write-allocating cache.
- ld r0, @(4,r2)
-#endif
- st r1, @+r2 || addi r4, #-1
- st r1, @+r2
- st r1, @+r2
- st r1, @+r2 || cmpeq r1, r4 ; R4 = 0?
- bnc .Lloop1
-.Lendloop1:
- and3 r4, r3, #15
- addi r2, #4
- beqz r4, .Lendloop2
-.Lloop2:
- stb r1, @r2 || addi r4, #-1
- addi r2, #1
- bnez r4, .Lloop2
-.Lendloop2:
-
-#else /* not CONFIG_ISA_DUAL_ISSUE */
-
- LDIMM (r2, __bss_start)
- LDIMM (r3, _end)
- sub r3, r2 ; BSS size in bytes
- mv r4, r3
- srli r4, #2 ; R4 = BSS size in longwords (rounded down)
- ldi r1, #0 ; clear R1 for longwords store
- addi r2, #-4 ; account for pre-inc store
- beqz r4, .Lendloop1 ; any more to go?
-.Lloop1:
- st r1, @+r2 ; yep, zero out another longword
- addi r4, #-1 ; decrement count
- bnez r4, .Lloop1 ; go do some more
-.Lendloop1:
- and3 r4, r3, #3 ; get no. of remaining BSS bytes to clear
- addi r2, #4 ; account for pre-inc store
- beqz r4, .Lendloop2 ; any more to go?
-.Lloop2:
- stb r1, @r2 ; yep, zero out another byte
- addi r2, #1 ; bump address
- addi r4, #-1 ; decrement count
- bnez r4, .Lloop2 ; go do some more
-.Lendloop2:
-
-#endif /* not CONFIG_ISA_DUAL_ISSUE */
-
-#if 0 /* M32R_FIXME */
-/*
- * Copy data segment from ROM to RAM.
- */
- .global ROM_D, TOP_DATA, END_DATA
-
- LDIMM (r1, ROM_D)
- LDIMM (r2, TOP_DATA)
- LDIMM (r3, END_DATA)
- addi r2, #-4
- addi r3, #-4
-loop1:
- ld r0, @r1+
- st r0, @+r2
- cmp r2, r3
- bc loop1
-#endif /* 0 */
-
-/* Jump to kernel */
- LDIMM (r2, start_kernel)
- jl r2
- .fillinsn
-1:
- bra 1b ; main should never return here, but
- ; just in case, we know what happens.
-
-#ifdef CONFIG_SMP
-/*
- * AP startup routine
- */
- .global eit_vector
-ENTRY(startup_AP)
-;; setup EVB
- LDIMM (r4, eit_vector)
- mvtc r4, cr5
-
-;; enable MMU
- LDIMM (r2, init_tlb)
- jl r2
- seth r4, #high(MATM)
- or3 r4, r4, #low(MATM)
- ldi r5, #0x01
- st r5, @r4 ; Set MATM Reg(T bit ON)
- ld r6, @r4 ; MATM Check
- LDIMM (r5, 1f)
- jmp r5 ; enable MMU
- nop
- .fillinsn
-1:
-;; ISN check
- ld r6, @r4 ; MATM Check
- seth r4, #high(M32R_ICU_ISTS_ADDR)
- or3 r4, r4, #low(M32R_ICU_ISTS_ADDR)
- ld r5, @r4 ; Read ISTSi reg.
- mv r6, r5
- slli r5, #13 ; PIML check
- srli r5, #13 ;
- seth r4, #high(M32R_ICU_IMASK_ADDR)
- or3 r4, r4, #low(M32R_ICU_IMASK_ADDR)
- st r5, @r4 ; Write IMASKi reg.
- slli r6, #4 ; ISN check
- srli r6, #26 ;
- seth r4, #high(M32R_IRQ_IPI5)
- or3 r4, r4, #low(M32R_IRQ_IPI5)
- bne r4, r6, 2f ; if (ISN != CPU_BOOT_IPI) goto sleep;
-
-;; check cpu_bootout_map and set cpu_bootin_map
- LDIMM (r4, cpu_bootout_map)
- ld r4, @r4
- seth r5, #high(M32R_CPUID_PORTL)
- or3 r5, r5, #low(M32R_CPUID_PORTL)
- ld r5, @r5
- ldi r6, #1
- sll r6, r5
- and r4, r6
- beqz r4, 2f
- LDIMM (r4, cpu_bootin_map)
- ld r5, @r4
- or r5, r6
- st r6, @r4
-
-;; clear PSW
- ldi r4, #0
- mvtc r4, psw
-
-;; setup SPI
- LDIMM (r4, stack_start)
- ld r4, @r4
- mvtc r4, spi
-
-;; setup BPC (start_secondary)
- LDIMM (r4, start_secondary)
- mvtc r4, bpc
-
- rte ; goto startup_secondary
- nop
- nop
-
- .fillinsn
-2:
- ;; disable MMU
- seth r4, #high(MATM)
- or3 r4, r4, #low(MATM)
- ldi r5, #0
- st r5, @r4 ; Set MATM Reg(T bit OFF)
- ld r6, @r4 ; MATM Check
- LDIMM (r4, 3f)
- seth r5, #high(__PAGE_OFFSET)
- or3 r5, r5, #low(__PAGE_OFFSET)
- not r5, r5
- and r4, r5
- jmp r4 ; disable MMU
- nop
- .fillinsn
-3:
- ;; SLEEP and wait IPI
- LDIMM (r4, AP_loop)
- seth r5, #high(__PAGE_OFFSET)
- or3 r5, r5, #low(__PAGE_OFFSET)
- not r5, r5
- and r4, r5
- jmp r4
- nop
- nop
-#endif /* CONFIG_SMP */
-
- .text
-ENTRY(stack_start)
- .long init_thread_union+8192
- .long __KERNEL_DS
-
-/*
- * This is initialized to create a identity-mapping at 0-4M (for bootup
- * purposes) and another mapping of the 0-4M area at virtual address
- * PAGE_OFFSET.
- */
- .text
-
-#define MOUNT_ROOT_RDONLY 1
-#define RAMDISK_FLAGS 0 ; 1024KB
-#define ORIG_ROOT_DEV 0x0100 ; /dev/ram0 (major:01, minor:00)
-#define LOADER_TYPE 1 ; (??? - non-zero value seems
- ; to be needed to boot from initrd)
-
-#define COMMAND_LINE ""
-
- .section .empty_zero_page, "aw"
-ENTRY(empty_zero_page)
- .long MOUNT_ROOT_RDONLY /* offset: +0x00 */
- .long RAMDISK_FLAGS
- .long ORIG_ROOT_DEV
- .long LOADER_TYPE
- .long 0 /* INITRD_START */ /* +0x10 */
- .long 0 /* INITRD_SIZE */
- .long 0 /* CPU_CLOCK */
- .long 0 /* BUS_CLOCK */
- .long 0 /* TIMER_DIVIDE */ /* +0x20 */
- .balign 256,0
- .asciz COMMAND_LINE
- .byte 0
- .balign 4096,0,4096
-
-/*------------------------------------------------------------------------
- * Stack area
- */
- .section .init.data, "aw"
- ALIGN
- .global spi_stack_top
- .zero 1024
-spi_stack_top:
-
- .section .init.data, "aw"
- ALIGN
- .global spu_stack_top
- .zero 1024
-spu_stack_top:
-
- .end
diff --git a/arch/m32r/kernel/irq.c b/arch/m32r/kernel/irq.c
deleted file mode 100644
index 83b5032f176c..000000000000
--- a/arch/m32r/kernel/irq.c
+++ /dev/null
@@ -1,44 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/irq.c
- *
- * Copyright (c) 2003, 2004 Hitoshi Yamamoto
- * Copyright (c) 2004 Hirokazu Takata <takata at linux-m32r.org>
- */
-
-/*
- * linux/arch/i386/kernel/irq.c
- *
- * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
- *
- * This file contains the lowest level m32r-specific interrupt
- * entry and irq statistics code. All the remaining irq logic is
- * done by the generic kernel/irq/ code and in the
- * m32r-specific irq controller code.
- */
-
-#include <linux/kernel_stat.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/uaccess.h>
-
-/*
- * do_IRQ handles all normal device IRQs (the special
- * SMP cross-CPU interrupts have their own specific
- * handlers).
- */
-asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs)
-{
- struct pt_regs *old_regs;
- old_regs = set_irq_regs(regs);
- irq_enter();
-
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
- /* FIXME M32R */
-#endif
- generic_handle_irq(irq);
- irq_exit();
- set_irq_regs(old_regs);
-
- return 1;
-}
diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c
deleted file mode 100644
index 46ebe071e4d6..000000000000
--- a/arch/m32r/kernel/m32r_ksyms.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/module.h>
-#include <linux/smp.h>
-#include <linux/user.h>
-#include <linux/elfcore.h>
-#include <linux/sched.h>
-#include <linux/in6.h>
-#include <linux/interrupt.h>
-#include <linux/string.h>
-
-#include <asm/processor.h>
-#include <linux/uaccess.h>
-#include <asm/checksum.h>
-#include <asm/io.h>
-#include <asm/delay.h>
-#include <asm/irq.h>
-#include <asm/tlbflush.h>
-#include <asm/pgtable.h>
-
-/* platform dependent support */
-EXPORT_SYMBOL(boot_cpu_data);
-EXPORT_SYMBOL(dump_fpu);
-EXPORT_SYMBOL(__ioremap);
-EXPORT_SYMBOL(iounmap);
-
-EXPORT_SYMBOL(strncpy_from_user);
-EXPORT_SYMBOL(clear_user);
-EXPORT_SYMBOL(__clear_user);
-EXPORT_SYMBOL(strnlen_user);
-
-#ifdef CONFIG_SMP
-#ifdef CONFIG_CHIP_M32700_TS1
-extern void *dcache_dummy;
-EXPORT_SYMBOL(dcache_dummy);
-#endif
-EXPORT_SYMBOL(cpu_data);
-
-/* TLB flushing */
-EXPORT_SYMBOL(smp_flush_tlb_page);
-#endif
-
-extern int __ucmpdi2(unsigned long long a, unsigned long long b);
-EXPORT_SYMBOL(__ucmpdi2);
-
-/* compiler generated symbol */
-extern void __ashldi3(void);
-extern void __ashrdi3(void);
-extern void __lshldi3(void);
-extern void __lshrdi3(void);
-extern void __muldi3(void);
-EXPORT_SYMBOL(__ashldi3);
-EXPORT_SYMBOL(__ashrdi3);
-EXPORT_SYMBOL(__lshldi3);
-EXPORT_SYMBOL(__lshrdi3);
-EXPORT_SYMBOL(__muldi3);
-
-/* memory and string operations */
-EXPORT_SYMBOL(memcpy);
-EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(copy_page);
-EXPORT_SYMBOL(clear_page);
-EXPORT_SYMBOL(strlen);
-EXPORT_SYMBOL(empty_zero_page);
-
-EXPORT_SYMBOL(_inb);
-EXPORT_SYMBOL(_inw);
-EXPORT_SYMBOL(_inl);
-EXPORT_SYMBOL(_outb);
-EXPORT_SYMBOL(_outw);
-EXPORT_SYMBOL(_outl);
-EXPORT_SYMBOL(_inb_p);
-EXPORT_SYMBOL(_inw_p);
-EXPORT_SYMBOL(_inl_p);
-EXPORT_SYMBOL(_outb_p);
-EXPORT_SYMBOL(_outw_p);
-EXPORT_SYMBOL(_outl_p);
-EXPORT_SYMBOL(_insb);
-EXPORT_SYMBOL(_insw);
-EXPORT_SYMBOL(_insl);
-EXPORT_SYMBOL(_outsb);
-EXPORT_SYMBOL(_outsw);
-EXPORT_SYMBOL(_outsl);
-EXPORT_SYMBOL(_readb);
-EXPORT_SYMBOL(_readw);
-EXPORT_SYMBOL(_readl);
-EXPORT_SYMBOL(_writeb);
-EXPORT_SYMBOL(_writew);
-EXPORT_SYMBOL(_writel);
-
diff --git a/arch/m32r/kernel/module.c b/arch/m32r/kernel/module.c
deleted file mode 100644
index 38233b6596b6..000000000000
--- a/arch/m32r/kernel/module.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/* Kernel module help for M32R.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#include <linux/moduleloader.h>
-#include <linux/elf.h>
-#include <linux/vmalloc.h>
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-
-#if 0
-#define DEBUGP printk
-#else
-#define DEBUGP(fmt...)
-#endif
-
-#define COPY_UNALIGNED_WORD(sw, tw, align) \
-{ \
- void *__s = &(sw), *__t = &(tw); \
- unsigned short *__s2 = __s, *__t2 =__t; \
- unsigned char *__s1 = __s, *__t1 =__t; \
- switch ((align)) \
- { \
- case 0: \
- *(unsigned long *) __t = *(unsigned long *) __s; \
- break; \
- case 2: \
- *__t2++ = *__s2++; \
- *__t2 = *__s2; \
- break; \
- default: \
- *__t1++ = *__s1++; \
- *__t1++ = *__s1++; \
- *__t1++ = *__s1++; \
- *__t1 = *__s1; \
- break; \
- } \
-}
-
-#define COPY_UNALIGNED_HWORD(sw, tw, align) \
- { \
- void *__s = &(sw), *__t = &(tw); \
- unsigned short *__s2 = __s, *__t2 =__t; \
- unsigned char *__s1 = __s, *__t1 =__t; \
- switch ((align)) \
- { \
- case 0: \
- *__t2 = *__s2; \
- break; \
- default: \
- *__t1++ = *__s1++; \
- *__t1 = *__s1; \
- break; \
- } \
- }
-
-int apply_relocate_add(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- unsigned int i;
- Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr;
- Elf32_Sym *sym;
- Elf32_Addr relocation;
- uint32_t *location;
- uint32_t value;
- unsigned short *hlocation;
- unsigned short hvalue;
- int svalue;
- int align;
-
- DEBUGP("Applying relocate section %u to %u\n", relsec,
- sechdrs[relsec].sh_info);
- for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
- /* This is where to make the change */
- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
- + rel[i].r_offset;
- /* This is the symbol it is referring to. Note that all
- undefined symbols have been resolved. */
- sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
- + ELF32_R_SYM(rel[i].r_info);
- relocation = sym->st_value + rel[i].r_addend;
- align = (int)location & 3;
-
- switch (ELF32_R_TYPE(rel[i].r_info)) {
- case R_M32R_32_RELA:
- COPY_UNALIGNED_WORD (*location, value, align);
- value += relocation;
- COPY_UNALIGNED_WORD (value, *location, align);
- break;
- case R_M32R_HI16_ULO_RELA:
- COPY_UNALIGNED_WORD (*location, value, align);
- relocation = (relocation >>16) & 0xffff;
- /* RELA must has 0 at relocation field. */
- value += relocation;
- COPY_UNALIGNED_WORD (value, *location, align);
- break;
- case R_M32R_HI16_SLO_RELA:
- COPY_UNALIGNED_WORD (*location, value, align);
- if (relocation & 0x8000) relocation += 0x10000;
- relocation = (relocation >>16) & 0xffff;
- /* RELA must has 0 at relocation field. */
- value += relocation;
- COPY_UNALIGNED_WORD (value, *location, align);
- break;
- case R_M32R_16_RELA:
- hlocation = (unsigned short *)location;
- relocation = relocation & 0xffff;
- /* RELA must has 0 at relocation field. */
- hvalue = relocation;
- COPY_UNALIGNED_WORD (hvalue, *hlocation, align);
- break;
- case R_M32R_SDA16_RELA:
- case R_M32R_LO16_RELA:
- COPY_UNALIGNED_WORD (*location, value, align);
- relocation = relocation & 0xffff;
- /* RELA must has 0 at relocation field. */
- value += relocation;
- COPY_UNALIGNED_WORD (value, *location, align);
- break;
- case R_M32R_24_RELA:
- COPY_UNALIGNED_WORD (*location, value, align);
- relocation = relocation & 0xffffff;
- /* RELA must has 0 at relocation field. */
- value += relocation;
- COPY_UNALIGNED_WORD (value, *location, align);
- break;
- case R_M32R_18_PCREL_RELA:
- relocation = (relocation - (Elf32_Addr) location);
- if (relocation < -0x20000 || 0x1fffc < relocation)
- {
- printk(KERN_ERR "module %s: relocation overflow: %u\n",
- me->name, relocation);
- return -ENOEXEC;
- }
- COPY_UNALIGNED_WORD (*location, value, align);
- if (value & 0xffff)
- {
- /* RELA must has 0 at relocation field. */
- printk(KERN_ERR "module %s: illegal relocation field: %u\n",
- me->name, value);
- return -ENOEXEC;
- }
- relocation = (relocation >> 2) & 0xffff;
- value += relocation;
- COPY_UNALIGNED_WORD (value, *location, align);
- break;
- case R_M32R_10_PCREL_RELA:
- hlocation = (unsigned short *)location;
- relocation = (relocation - (Elf32_Addr) location);
- COPY_UNALIGNED_HWORD (*hlocation, hvalue, align);
- svalue = (int)hvalue;
- svalue = (signed char)svalue << 2;
- relocation += svalue;
- relocation = (relocation >> 2) & 0xff;
- hvalue = hvalue & 0xff00;
- hvalue += relocation;
- COPY_UNALIGNED_HWORD (hvalue, *hlocation, align);
- break;
- case R_M32R_26_PCREL_RELA:
- relocation = (relocation - (Elf32_Addr) location);
- if (relocation < -0x2000000 || 0x1fffffc < relocation)
- {
- printk(KERN_ERR "module %s: relocation overflow: %u\n",
- me->name, relocation);
- return -ENOEXEC;
- }
- COPY_UNALIGNED_WORD (*location, value, align);
- if (value & 0xffffff)
- {
- /* RELA must has 0 at relocation field. */
- printk(KERN_ERR "module %s: illegal relocation field: %u\n",
- me->name, value);
- return -ENOEXEC;
- }
- relocation = (relocation >> 2) & 0xffffff;
- value += relocation;
- COPY_UNALIGNED_WORD (value, *location, align);
- break;
- default:
- printk(KERN_ERR "module %s: Unknown relocation: %u\n",
- me->name, ELF32_R_TYPE(rel[i].r_info));
- return -ENOEXEC;
- }
- }
- return 0;
-}
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
deleted file mode 100644
index a1a4cb136e99..000000000000
--- a/arch/m32r/kernel/process.c
+++ /dev/null
@@ -1,154 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/process.c
- *
- * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata,
- * Hitoshi Yamamoto
- * Taken from sh version.
- * Copyright (C) 1995 Linus Torvalds
- * SuperH version: Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
- */
-
-#undef DEBUG_PROCESS
-#ifdef DEBUG_PROCESS
-#define DPRINTK(fmt, args...) printk("%s:%d:%s: " fmt, __FILE__, __LINE__, \
- __func__, ##args)
-#else
-#define DPRINTK(fmt, args...)
-#endif
-
-/*
- * This file handles the architecture-dependent parts of process handling..
- */
-
-#include <linux/fs.h>
-#include <linux/slab.h>
-#include <linux/sched/debug.h>
-#include <linux/sched/task.h>
-#include <linux/sched/task_stack.h>
-#include <linux/module.h>
-#include <linux/ptrace.h>
-#include <linux/unistd.h>
-#include <linux/hardirq.h>
-#include <linux/rcupdate.h>
-
-#include <asm/io.h>
-#include <linux/uaccess.h>
-#include <asm/mmu_context.h>
-#include <asm/elf.h>
-#include <asm/m32r.h>
-
-#include <linux/err.h>
-
-void (*pm_power_off)(void) = NULL;
-EXPORT_SYMBOL(pm_power_off);
-
-void machine_restart(char *__unused)
-{
-#if defined(CONFIG_PLAT_MAPPI3)
- outw(1, (unsigned long)PLD_REBOOT);
-#endif
-
- printk("Please push reset button!\n");
- while (1)
- cpu_relax();
-}
-
-void machine_halt(void)
-{
- printk("Please push reset button!\n");
- while (1)
- cpu_relax();
-}
-
-void machine_power_off(void)
-{
- /* M32R_FIXME */
-}
-
-void show_regs(struct pt_regs * regs)
-{
- printk("\n");
- show_regs_print_info(KERN_DEFAULT);
-
- printk("BPC[%08lx]:PSW[%08lx]:LR [%08lx]:FP [%08lx]\n", \
- regs->bpc, regs->psw, regs->lr, regs->fp);
- printk("BBPC[%08lx]:BBPSW[%08lx]:SPU[%08lx]:SPI[%08lx]\n", \
- regs->bbpc, regs->bbpsw, regs->spu, regs->spi);
- printk("R0 [%08lx]:R1 [%08lx]:R2 [%08lx]:R3 [%08lx]\n", \
- regs->r0, regs->r1, regs->r2, regs->r3);
- printk("R4 [%08lx]:R5 [%08lx]:R6 [%08lx]:R7 [%08lx]\n", \
- regs->r4, regs->r5, regs->r6, regs->r7);
- printk("R8 [%08lx]:R9 [%08lx]:R10[%08lx]:R11[%08lx]\n", \
- regs->r8, regs->r9, regs->r10, regs->r11);
- printk("R12[%08lx]\n", \
- regs->r12);
-
-#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
- printk("ACC0H[%08lx]:ACC0L[%08lx]\n", \
- regs->acc0h, regs->acc0l);
- printk("ACC1H[%08lx]:ACC1L[%08lx]\n", \
- regs->acc1h, regs->acc1l);
-#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
- printk("ACCH[%08lx]:ACCL[%08lx]\n", \
- regs->acc0h, regs->acc0l);
-#else
-#error unknown isa configuration
-#endif
-}
-
-void flush_thread(void)
-{
- DPRINTK("pid = %d\n", current->pid);
- memset(&current->thread.debug_trap, 0, sizeof(struct debug_trap));
-}
-
-void release_thread(struct task_struct *dead_task)
-{
- /* do nothing */
- DPRINTK("pid = %d\n", dead_task->pid);
-}
-
-/* Fill in the fpu structure for a core dump.. */
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
-{
- return 0; /* Task didn't use the fpu at all. */
-}
-
-int copy_thread(unsigned long clone_flags, unsigned long spu,
- unsigned long arg, struct task_struct *tsk)
-{
- struct pt_regs *childregs = task_pt_regs(tsk);
- extern void ret_from_fork(void);
- extern void ret_from_kernel_thread(void);
-
- if (unlikely(tsk->flags & PF_KTHREAD)) {
- memset(childregs, 0, sizeof(struct pt_regs));
- childregs->psw = M32R_PSW_BIE;
- childregs->r1 = spu; /* fn */
- childregs->r0 = arg;
- tsk->thread.lr = (unsigned long)ret_from_kernel_thread;
- } else {
- /* Copy registers */
- *childregs = *current_pt_regs();
- if (spu)
- childregs->spu = spu;
- childregs->r0 = 0; /* Child gets zero as return value */
- tsk->thread.lr = (unsigned long)ret_from_fork;
- }
- tsk->thread.sp = (unsigned long)childregs;
-
- return 0;
-}
-
-/*
- * These bracket the sleeping functions..
- */
-#define first_sched ((unsigned long) scheduling_functions_start_here)
-#define last_sched ((unsigned long) scheduling_functions_end_here)
-
-unsigned long get_wchan(struct task_struct *p)
-{
- /* M32R_FIXME */
- return (0);
-}
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
deleted file mode 100644
index d702a5ca0f92..000000000000
--- a/arch/m32r/kernel/ptrace.c
+++ /dev/null
@@ -1,708 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/ptrace.c
- *
- * Copyright (C) 2002 Hirokazu Takata, Takeo Takahashi
- * Copyright (C) 2004 Hirokazu Takata, Kei Sakamoto
- *
- * Original x86 implementation:
- * By Ross Biro 1/23/92
- * edited by Linus Torvalds
- *
- * Some code taken from sh version:
- * Copyright (C) 1999, 2000 Kaz Kojima & Niibe Yutaka
- * Some code taken from arm version:
- * Copyright (C) 2000 Russell King
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/sched/task_stack.h>
-#include <linux/mm.h>
-#include <linux/err.h>
-#include <linux/smp.h>
-#include <linux/errno.h>
-#include <linux/ptrace.h>
-#include <linux/user.h>
-#include <linux/string.h>
-#include <linux/signal.h>
-
-#include <asm/cacheflush.h>
-#include <asm/io.h>
-#include <linux/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/mmu_context.h>
-
-/*
- * This routine will get a word off of the process kernel stack.
- */
-static inline unsigned long int
-get_stack_long(struct task_struct *task, int offset)
-{
- unsigned long *stack;
-
- stack = (unsigned long *)task_pt_regs(task);
-
- return stack[offset];
-}
-
-/*
- * This routine will put a word on the process kernel stack.
- */
-static inline int
-put_stack_long(struct task_struct *task, int offset, unsigned long data)
-{
- unsigned long *stack;
-
- stack = (unsigned long *)task_pt_regs(task);
- stack[offset] = data;
-
- return 0;
-}
-
-static int reg_offset[] = {
- PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7,
- PT_R8, PT_R9, PT_R10, PT_R11, PT_R12, PT_FP, PT_LR, PT_SPU,
-};
-
-/*
- * Read the word at offset "off" into the "struct user". We
- * actually access the pt_regs stored on the kernel stack.
- */
-static int ptrace_read_user(struct task_struct *tsk, unsigned long off,
- unsigned long __user *data)
-{
- unsigned long tmp;
-#ifndef NO_FPU
- struct user * dummy = NULL;
-#endif
-
- if ((off & 3) || off > sizeof(struct user) - 3)
- return -EIO;
-
- off >>= 2;
- switch (off) {
- case PT_EVB:
- __asm__ __volatile__ (
- "mvfc %0, cr5 \n\t"
- : "=r" (tmp)
- );
- break;
- case PT_CBR: {
- unsigned long psw;
- psw = get_stack_long(tsk, PT_PSW);
- tmp = ((psw >> 8) & 1);
- }
- break;
- case PT_PSW: {
- unsigned long psw, bbpsw;
- psw = get_stack_long(tsk, PT_PSW);
- bbpsw = get_stack_long(tsk, PT_BBPSW);
- tmp = ((psw >> 8) & 0xff) | ((bbpsw & 0xff) << 8);
- }
- break;
- case PT_PC:
- tmp = get_stack_long(tsk, PT_BPC);
- break;
- case PT_BPC:
- off = PT_BBPC;
- /* fall through */
- default:
- if (off < (sizeof(struct pt_regs) >> 2))
- tmp = get_stack_long(tsk, off);
-#ifndef NO_FPU
- else if (off >= (long)(&dummy->fpu >> 2) &&
- off < (long)(&dummy->u_fpvalid >> 2)) {
- if (!tsk_used_math(tsk)) {
- if (off == (long)(&dummy->fpu.fpscr >> 2))
- tmp = FPSCR_INIT;
- else
- tmp = 0;
- } else
- tmp = ((long *)(&tsk->thread.fpu >> 2))
- [off - (long)&dummy->fpu];
- } else if (off == (long)(&dummy->u_fpvalid >> 2))
- tmp = !!tsk_used_math(tsk);
-#endif /* not NO_FPU */
- else
- tmp = 0;
- }
-
- return put_user(tmp, data);
-}
-
-static int ptrace_write_user(struct task_struct *tsk, unsigned long off,
- unsigned long data)
-{
- int ret = -EIO;
-#ifndef NO_FPU
- struct user * dummy = NULL;
-#endif
-
- if ((off & 3) || off > sizeof(struct user) - 3)
- return -EIO;
-
- off >>= 2;
- switch (off) {
- case PT_EVB:
- case PT_BPC:
- case PT_SPI:
- /* We don't allow to modify evb. */
- ret = 0;
- break;
- case PT_PSW:
- case PT_CBR: {
- /* We allow to modify only cbr in psw */
- unsigned long psw;
- psw = get_stack_long(tsk, PT_PSW);
- psw = (psw & ~0x100) | ((data & 1) << 8);
- ret = put_stack_long(tsk, PT_PSW, psw);
- }
- break;
- case PT_PC:
- off = PT_BPC;
- data &= ~1;
- /* fall through */
- default:
- if (off < (sizeof(struct pt_regs) >> 2))
- ret = put_stack_long(tsk, off, data);
-#ifndef NO_FPU
- else if (off >= (long)(&dummy->fpu >> 2) &&
- off < (long)(&dummy->u_fpvalid >> 2)) {
- set_stopped_child_used_math(tsk);
- ((long *)&tsk->thread.fpu)
- [off - (long)&dummy->fpu] = data;
- ret = 0;
- } else if (off == (long)(&dummy->u_fpvalid >> 2)) {
- conditional_stopped_child_used_math(data, tsk);
- ret = 0;
- }
-#endif /* not NO_FPU */
- break;
- }
-
- return ret;
-}
-
-/*
- * Get all user integer registers.
- */
-static int ptrace_getregs(struct task_struct *tsk, void __user *uregs)
-{
- struct pt_regs *regs = task_pt_regs(tsk);
-
- return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0;
-}
-
-/*
- * Set all user integer registers.
- */
-static int ptrace_setregs(struct task_struct *tsk, void __user *uregs)
-{
- struct pt_regs newregs;
- int ret;
-
- ret = -EFAULT;
- if (copy_from_user(&newregs, uregs, sizeof(struct pt_regs)) == 0) {
- struct pt_regs *regs = task_pt_regs(tsk);
- *regs = newregs;
- ret = 0;
- }
-
- return ret;
-}
-
-
-static inline int
-check_condition_bit(struct task_struct *child)
-{
- return (int)((get_stack_long(child, PT_PSW) >> 8) & 1);
-}
-
-static int
-check_condition_src(unsigned long op, unsigned long regno1,
- unsigned long regno2, struct task_struct *child)
-{
- unsigned long reg1, reg2;
-
- reg2 = get_stack_long(child, reg_offset[regno2]);
-
- switch (op) {
- case 0x0: /* BEQ */
- reg1 = get_stack_long(child, reg_offset[regno1]);
- return reg1 == reg2;
- case 0x1: /* BNE */
- reg1 = get_stack_long(child, reg_offset[regno1]);
- return reg1 != reg2;
- case 0x8: /* BEQZ */
- return reg2 == 0;
- case 0x9: /* BNEZ */
- return reg2 != 0;
- case 0xa: /* BLTZ */
- return (int)reg2 < 0;
- case 0xb: /* BGEZ */
- return (int)reg2 >= 0;
- case 0xc: /* BLEZ */
- return (int)reg2 <= 0;
- case 0xd: /* BGTZ */
- return (int)reg2 > 0;
- default:
- /* never reached */
- return 0;
- }
-}
-
-static void
-compute_next_pc_for_16bit_insn(unsigned long insn, unsigned long pc,
- unsigned long *next_pc,
- struct task_struct *child)
-{
- unsigned long op, op2, op3;
- unsigned long disp;
- unsigned long regno;
- int parallel = 0;
-
- if (insn & 0x00008000)
- parallel = 1;
- if (pc & 3)
- insn &= 0x7fff; /* right slot */
- else
- insn >>= 16; /* left slot */
-
- op = (insn >> 12) & 0xf;
- op2 = (insn >> 8) & 0xf;
- op3 = (insn >> 4) & 0xf;
-
- if (op == 0x7) {
- switch (op2) {
- case 0xd: /* BNC */
- case 0x9: /* BNCL */
- if (!check_condition_bit(child)) {
- disp = (long)(insn << 24) >> 22;
- *next_pc = (pc & ~0x3) + disp;
- return;
- }
- break;
- case 0x8: /* BCL */
- case 0xc: /* BC */
- if (check_condition_bit(child)) {
- disp = (long)(insn << 24) >> 22;
- *next_pc = (pc & ~0x3) + disp;
- return;
- }
- break;
- case 0xe: /* BL */
- case 0xf: /* BRA */
- disp = (long)(insn << 24) >> 22;
- *next_pc = (pc & ~0x3) + disp;
- return;
- break;
- }
- } else if (op == 0x1) {
- switch (op2) {
- case 0x0:
- if (op3 == 0xf) { /* TRAP */
-#if 1
- /* pass through */
-#else
- /* kernel space is not allowed as next_pc */
- unsigned long evb;
- unsigned long trapno;
- trapno = insn & 0xf;
- __asm__ __volatile__ (
- "mvfc %0, cr5\n"
- :"=r"(evb)
- :
- );
- *next_pc = evb + (trapno << 2);
- return;
-#endif
- } else if (op3 == 0xd) { /* RTE */
- *next_pc = get_stack_long(child, PT_BPC);
- return;
- }
- break;
- case 0xc: /* JC */
- if (op3 == 0xc && check_condition_bit(child)) {
- regno = insn & 0xf;
- *next_pc = get_stack_long(child,
- reg_offset[regno]);
- return;
- }
- break;
- case 0xd: /* JNC */
- if (op3 == 0xc && !check_condition_bit(child)) {
- regno = insn & 0xf;
- *next_pc = get_stack_long(child,
- reg_offset[regno]);
- return;
- }
- break;
- case 0xe: /* JL */
- case 0xf: /* JMP */
- if (op3 == 0xc) { /* JMP */
- regno = insn & 0xf;
- *next_pc = get_stack_long(child,
- reg_offset[regno]);
- return;
- }
- break;
- }
- }
- if (parallel)
- *next_pc = pc + 4;
- else
- *next_pc = pc + 2;
-}
-
-static void
-compute_next_pc_for_32bit_insn(unsigned long insn, unsigned long pc,
- unsigned long *next_pc,
- struct task_struct *child)
-{
- unsigned long op;
- unsigned long op2;
- unsigned long disp;
- unsigned long regno1, regno2;
-
- op = (insn >> 28) & 0xf;
- if (op == 0xf) { /* branch 24-bit relative */
- op2 = (insn >> 24) & 0xf;
- switch (op2) {
- case 0xd: /* BNC */
- case 0x9: /* BNCL */
- if (!check_condition_bit(child)) {
- disp = (long)(insn << 8) >> 6;
- *next_pc = (pc & ~0x3) + disp;
- return;
- }
- break;
- case 0x8: /* BCL */
- case 0xc: /* BC */
- if (check_condition_bit(child)) {
- disp = (long)(insn << 8) >> 6;
- *next_pc = (pc & ~0x3) + disp;
- return;
- }
- break;
- case 0xe: /* BL */
- case 0xf: /* BRA */
- disp = (long)(insn << 8) >> 6;
- *next_pc = (pc & ~0x3) + disp;
- return;
- }
- } else if (op == 0xb) { /* branch 16-bit relative */
- op2 = (insn >> 20) & 0xf;
- switch (op2) {
- case 0x0: /* BEQ */
- case 0x1: /* BNE */
- case 0x8: /* BEQZ */
- case 0x9: /* BNEZ */
- case 0xa: /* BLTZ */
- case 0xb: /* BGEZ */
- case 0xc: /* BLEZ */
- case 0xd: /* BGTZ */
- regno1 = ((insn >> 24) & 0xf);
- regno2 = ((insn >> 16) & 0xf);
- if (check_condition_src(op2, regno1, regno2, child)) {
- disp = (long)(insn << 16) >> 14;
- *next_pc = (pc & ~0x3) + disp;
- return;
- }
- break;
- }
- }
- *next_pc = pc + 4;
-}
-
-static inline void
-compute_next_pc(unsigned long insn, unsigned long pc,
- unsigned long *next_pc, struct task_struct *child)
-{
- if (insn & 0x80000000)
- compute_next_pc_for_32bit_insn(insn, pc, next_pc, child);
- else
- compute_next_pc_for_16bit_insn(insn, pc, next_pc, child);
-}
-
-static int
-register_debug_trap(struct task_struct *child, unsigned long next_pc,
- unsigned long next_insn, unsigned long *code)
-{
- struct debug_trap *p = &child->thread.debug_trap;
- unsigned long addr = next_pc & ~3;
-
- if (p->nr_trap == MAX_TRAPS) {
- printk("kernel BUG at %s %d: p->nr_trap = %d\n",
- __FILE__, __LINE__, p->nr_trap);
- return -1;
- }
- p->addr[p->nr_trap] = addr;
- p->insn[p->nr_trap] = next_insn;
- p->nr_trap++;
- if (next_pc & 3) {
- *code = (next_insn & 0xffff0000) | 0x10f1;
- /* xxx --> TRAP1 */
- } else {
- if ((next_insn & 0x80000000) || (next_insn & 0x8000)) {
- *code = 0x10f17000;
- /* TRAP1 --> NOP */
- } else {
- *code = (next_insn & 0xffff) | 0x10f10000;
- /* TRAP1 --> xxx */
- }
- }
- return 0;
-}
-
-static int
-unregister_debug_trap(struct task_struct *child, unsigned long addr,
- unsigned long *code)
-{
- struct debug_trap *p = &child->thread.debug_trap;
- int i;
-
- /* Search debug trap entry. */
- for (i = 0; i < p->nr_trap; i++) {
- if (p->addr[i] == addr)
- break;
- }
- if (i >= p->nr_trap) {
- /* The trap may be requested from debugger.
- * ptrace should do nothing in this case.
- */
- return 0;
- }
-
- /* Recover original instruction code. */
- *code = p->insn[i];
-
- /* Shift debug trap entries. */
- while (i < p->nr_trap - 1) {
- p->insn[i] = p->insn[i + 1];
- p->addr[i] = p->addr[i + 1];
- i++;
- }
- p->nr_trap--;
- return 1;
-}
-
-static void
-unregister_all_debug_traps(struct task_struct *child)
-{
- struct debug_trap *p = &child->thread.debug_trap;
- int i;
-
- for (i = 0; i < p->nr_trap; i++)
- access_process_vm(child, p->addr[i], &p->insn[i], sizeof(p->insn[i]),
- FOLL_FORCE | FOLL_WRITE);
- p->nr_trap = 0;
-}
-
-static inline void
-invalidate_cache(void)
-{
-#if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP)
-
- _flush_cache_copyback_all();
-
-#else /* ! CONFIG_CHIP_M32700 */
-
- /* Invalidate cache */
- __asm__ __volatile__ (
- "ldi r0, #-1 \n\t"
- "ldi r1, #0 \n\t"
- "stb r1, @r0 ; cache off \n\t"
- "; \n\t"
- "ldi r0, #-2 \n\t"
- "ldi r1, #1 \n\t"
- "stb r1, @r0 ; cache invalidate \n\t"
- ".fillinsn \n"
- "0: \n\t"
- "ldb r1, @r0 ; invalidate check \n\t"
- "bnez r1, 0b \n\t"
- "; \n\t"
- "ldi r0, #-1 \n\t"
- "ldi r1, #1 \n\t"
- "stb r1, @r0 ; cache on \n\t"
- : : : "r0", "r1", "memory"
- );
- /* FIXME: copying-back d-cache and invalidating i-cache are needed.
- */
-#endif /* CONFIG_CHIP_M32700 */
-}
-
-/* Embed a debug trap (TRAP1) code */
-static int
-embed_debug_trap(struct task_struct *child, unsigned long next_pc)
-{
- unsigned long next_insn, code;
- unsigned long addr = next_pc & ~3;
-
- if (access_process_vm(child, addr, &next_insn, sizeof(next_insn),
- FOLL_FORCE)
- != sizeof(next_insn)) {
- return -1; /* error */
- }
-
- /* Set a trap code. */
- if (register_debug_trap(child, next_pc, next_insn, &code)) {
- return -1; /* error */
- }
- if (access_process_vm(child, addr, &code, sizeof(code),
- FOLL_FORCE | FOLL_WRITE)
- != sizeof(code)) {
- return -1; /* error */
- }
- return 0; /* success */
-}
-
-void
-withdraw_debug_trap(struct pt_regs *regs)
-{
- unsigned long addr;
- unsigned long code;
-
- addr = (regs->bpc - 2) & ~3;
- regs->bpc -= 2;
- if (unregister_debug_trap(current, addr, &code)) {
- access_process_vm(current, addr, &code, sizeof(code),
- FOLL_FORCE | FOLL_WRITE);
- invalidate_cache();
- }
-}
-
-void
-init_debug_traps(struct task_struct *child)
-{
- struct debug_trap *p = &child->thread.debug_trap;
- int i;
- p->nr_trap = 0;
- for (i = 0; i < MAX_TRAPS; i++) {
- p->addr[i] = 0;
- p->insn[i] = 0;
- }
-}
-
-void user_enable_single_step(struct task_struct *child)
-{
- unsigned long next_pc;
- unsigned long pc, insn;
-
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
- /* Compute next pc. */
- pc = get_stack_long(child, PT_BPC);
-
- if (access_process_vm(child, pc&~3, &insn, sizeof(insn),
- FOLL_FORCE)
- != sizeof(insn))
- return;
-
- compute_next_pc(insn, pc, &next_pc, child);
- if (next_pc & 0x80000000)
- return;
-
- if (embed_debug_trap(child, next_pc))
- return;
-
- invalidate_cache();
-}
-
-void user_disable_single_step(struct task_struct *child)
-{
- unregister_all_debug_traps(child);
- invalidate_cache();
-}
-
-/*
- * Called by kernel/ptrace.c when detaching..
- *
- * Make sure single step bits etc are not set.
- */
-void ptrace_disable(struct task_struct *child)
-{
- /* nothing to do.. */
-}
-
-long
-arch_ptrace(struct task_struct *child, long request,
- unsigned long addr, unsigned long data)
-{
- int ret;
- unsigned long __user *datap = (unsigned long __user *) data;
-
- switch (request) {
- /*
- * read word at location "addr" in the child process.
- */
- case PTRACE_PEEKTEXT:
- case PTRACE_PEEKDATA:
- ret = generic_ptrace_peekdata(child, addr, data);
- break;
-
- /*
- * read the word at location addr in the USER area.
- */
- case PTRACE_PEEKUSR:
- ret = ptrace_read_user(child, addr, datap);
- break;
-
- /*
- * write the word at location addr.
- */
- case PTRACE_POKETEXT:
- case PTRACE_POKEDATA:
- ret = generic_ptrace_pokedata(child, addr, data);
- if (ret == 0 && request == PTRACE_POKETEXT)
- invalidate_cache();
- break;
-
- /*
- * write the word at location addr in the USER area.
- */
- case PTRACE_POKEUSR:
- ret = ptrace_write_user(child, addr, data);
- break;
-
- case PTRACE_GETREGS:
- ret = ptrace_getregs(child, datap);
- break;
-
- case PTRACE_SETREGS:
- ret = ptrace_setregs(child, datap);
- break;
-
- default:
- ret = ptrace_request(child, request, addr, data);
- break;
- }
-
- return ret;
-}
-
-/* notification of system call entry/exit
- * - triggered by current->work.syscall_trace
- */
-void do_syscall_trace(void)
-{
- if (!test_thread_flag(TIF_SYSCALL_TRACE))
- return;
- if (!(current->ptrace & PT_PTRACED))
- return;
- /* the 0x80 provides a way for the tracing parent to distinguish
- between a syscall stop and SIGTRAP delivery */
- ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
- ? 0x80 : 0));
-
- /*
- * this isn't the same as continuing with a signal, but it will do
- * for normal use. strace only continues with a signal if the
- * stopping signal is not SIGTRAP. -brl
- */
- if (current->exit_code) {
- send_sig(current->exit_code, current, 1);
- current->exit_code = 0;
- }
-}
diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c
deleted file mode 100644
index b72d5db39f00..000000000000
--- a/arch/m32r/kernel/setup.c
+++ /dev/null
@@ -1,424 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/setup.c
- *
- * Setup routines for Renesas M32R
- *
- * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata,
- * Hitoshi Yamamoto
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/stddef.h>
-#include <linux/fs.h>
-#include <linux/sched/mm.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/console.h>
-#include <linux/initrd.h>
-#include <linux/major.h>
-#include <linux/root_dev.h>
-#include <linux/seq_file.h>
-#include <linux/timex.h>
-#include <linux/screen_info.h>
-#include <linux/cpu.h>
-#include <linux/nodemask.h>
-#include <linux/pfn.h>
-
-#include <asm/processor.h>
-#include <asm/pgtable.h>
-#include <asm/io.h>
-#include <asm/mmu_context.h>
-#include <asm/m32r.h>
-#include <asm/setup.h>
-#include <asm/sections.h>
-
-#ifdef CONFIG_MMU
-extern void init_mmu(void);
-#endif
-
-extern char _end[];
-
-/*
- * Machine setup..
- */
-struct cpuinfo_m32r boot_cpu_data;
-
-#ifdef CONFIG_BLK_DEV_RAM
-extern int rd_doload; /* 1 = load ramdisk, 0 = don't load */
-extern int rd_prompt; /* 1 = prompt for ramdisk, 0 = don't prompt */
-extern int rd_image_start; /* starting block # of image */
-#endif
-
-#if defined(CONFIG_VGA_CONSOLE)
-struct screen_info screen_info = {
- .orig_video_lines = 25,
- .orig_video_cols = 80,
- .orig_video_mode = 0,
- .orig_video_ega_bx = 0,
- .orig_video_isVGA = 1,
- .orig_video_points = 8
-};
-#endif
-
-extern int root_mountflags;
-
-static char __initdata command_line[COMMAND_LINE_SIZE];
-
-static struct resource data_resource = {
- .name = "Kernel data",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM
-};
-
-static struct resource code_resource = {
- .name = "Kernel code",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM
-};
-
-unsigned long memory_start;
-EXPORT_SYMBOL(memory_start);
-
-unsigned long memory_end;
-EXPORT_SYMBOL(memory_end);
-
-void __init setup_arch(char **);
-int get_cpuinfo(char *);
-
-static __inline__ void parse_mem_cmdline(char ** cmdline_p)
-{
- char c = ' ';
- char *to = command_line;
- char *from = COMMAND_LINE;
- int len = 0;
- int usermem = 0;
-
- /* Save unparsed command line copy for /proc/cmdline */
- memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE);
- boot_command_line[COMMAND_LINE_SIZE-1] = '\0';
-
- memory_start = (unsigned long)CONFIG_MEMORY_START+PAGE_OFFSET;
- memory_end = memory_start+(unsigned long)CONFIG_MEMORY_SIZE;
-
- for ( ; ; ) {
- if (c == ' ' && !memcmp(from, "mem=", 4)) {
- if (to != command_line)
- to--;
-
- {
- unsigned long mem_size;
-
- usermem = 1;
- mem_size = memparse(from+4, &from);
- memory_end = memory_start + mem_size;
- }
- }
- c = *(from++);
- if (!c)
- break;
-
- if (COMMAND_LINE_SIZE <= ++len)
- break;
-
- *(to++) = c;
- }
- *to = '\0';
- *cmdline_p = command_line;
- if (usermem)
- printk(KERN_INFO "user-defined physical RAM map:\n");
-}
-
-#ifndef CONFIG_DISCONTIGMEM
-static unsigned long __init setup_memory(void)
-{
- unsigned long start_pfn, max_low_pfn, bootmap_size;
-
- start_pfn = PFN_UP( __pa(_end) );
- max_low_pfn = PFN_DOWN( __pa(memory_end) );
-
- /*
- * Initialize the boot-time allocator (with low memory only):
- */
- bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn,
- CONFIG_MEMORY_START>>PAGE_SHIFT, max_low_pfn);
-
- /*
- * Register fully available low RAM pages with the bootmem allocator.
- */
- {
- unsigned long curr_pfn;
- unsigned long last_pfn;
- unsigned long pages;
-
- /*
- * We are rounding up the start address of usable memory:
- */
- curr_pfn = PFN_UP(__pa(memory_start));
-
- /*
- * ... and at the end of the usable range downwards:
- */
- last_pfn = PFN_DOWN(__pa(memory_end));
-
- if (last_pfn > max_low_pfn)
- last_pfn = max_low_pfn;
-
- pages = last_pfn - curr_pfn;
- free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages));
- }
-
- /*
- * Reserve the kernel text and
- * Reserve the bootmem bitmap. We do this in two steps (first step
- * was init_bootmem()), because this catches the (definitely buggy)
- * case of us accidentally initializing the bootmem allocator with
- * an invalid RAM area.
- */
- reserve_bootmem(CONFIG_MEMORY_START + PAGE_SIZE,
- (PFN_PHYS(start_pfn) + bootmap_size + PAGE_SIZE - 1)
- - CONFIG_MEMORY_START,
- BOOTMEM_DEFAULT);
-
- /*
- * reserve physical page 0 - it's a special BIOS page on many boxes,
- * enabling clean reboots, SMP operation, laptop functions.
- */
- reserve_bootmem(CONFIG_MEMORY_START, PAGE_SIZE, BOOTMEM_DEFAULT);
-
- /*
- * reserve memory hole
- */
-#ifdef CONFIG_MEMHOLE
- reserve_bootmem(CONFIG_MEMHOLE_START, CONFIG_MEMHOLE_SIZE,
- BOOTMEM_DEFAULT);
-#endif
-
-#ifdef CONFIG_BLK_DEV_INITRD
- if (LOADER_TYPE && INITRD_START) {
- if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
- reserve_bootmem(INITRD_START, INITRD_SIZE,
- BOOTMEM_DEFAULT);
- initrd_start = INITRD_START + PAGE_OFFSET;
- initrd_end = initrd_start + INITRD_SIZE;
- printk("initrd:start[%08lx],size[%08lx]\n",
- initrd_start, INITRD_SIZE);
- } else {
- printk("initrd extends beyond end of memory "
- "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
- INITRD_START + INITRD_SIZE,
- max_low_pfn << PAGE_SHIFT);
-
- initrd_start = 0;
- }
- }
-#endif
-
- return max_low_pfn;
-}
-#else /* CONFIG_DISCONTIGMEM */
-extern unsigned long setup_memory(void);
-#endif /* CONFIG_DISCONTIGMEM */
-
-void __init setup_arch(char **cmdline_p)
-{
- ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
-
- boot_cpu_data.cpu_clock = M32R_CPUCLK;
- boot_cpu_data.bus_clock = M32R_BUSCLK;
- boot_cpu_data.timer_divide = M32R_TIMER_DIVIDE;
-
-#ifdef CONFIG_BLK_DEV_RAM
- rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
-#endif
-
- if (!MOUNT_ROOT_RDONLY)
- root_mountflags &= ~MS_RDONLY;
-
-#ifdef CONFIG_VT
-#if defined(CONFIG_VGA_CONSOLE)
- conswitchp = &vga_con;
-#elif defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con;
-#endif
-#endif
-
-#ifdef CONFIG_DISCONTIGMEM
- nodes_clear(node_online_map);
- node_set_online(0);
- node_set_online(1);
-#endif /* CONFIG_DISCONTIGMEM */
-
- init_mm.start_code = (unsigned long) _text;
- init_mm.end_code = (unsigned long) _etext;
- init_mm.end_data = (unsigned long) _edata;
- init_mm.brk = (unsigned long) _end;
-
- code_resource.start = virt_to_phys(_text);
- code_resource.end = virt_to_phys(_etext)-1;
- data_resource.start = virt_to_phys(_etext);
- data_resource.end = virt_to_phys(_edata)-1;
-
- parse_mem_cmdline(cmdline_p);
-
- setup_memory();
-
- paging_init();
-}
-
-static struct cpu cpu_devices[NR_CPUS];
-
-static int __init topology_init(void)
-{
- int i;
-
- for_each_present_cpu(i)
- register_cpu(&cpu_devices[i], i);
-
- return 0;
-}
-
-subsys_initcall(topology_init);
-
-#ifdef CONFIG_PROC_FS
-/*
- * Get CPU information for use by the procfs.
- */
-static int show_cpuinfo(struct seq_file *m, void *v)
-{
- struct cpuinfo_m32r *c = v;
- unsigned long cpu = c - cpu_data;
-
-#ifdef CONFIG_SMP
- if (!cpu_online(cpu))
- return 0;
-#endif /* CONFIG_SMP */
-
- seq_printf(m, "processor\t: %ld\n", cpu);
-
-#if defined(CONFIG_CHIP_VDEC2)
- seq_printf(m, "cpu family\t: VDEC2\n"
- "cache size\t: Unknown\n");
-#elif defined(CONFIG_CHIP_M32700)
- seq_printf(m,"cpu family\t: M32700\n"
- "cache size\t: I-8KB/D-8KB\n");
-#elif defined(CONFIG_CHIP_M32102)
- seq_printf(m,"cpu family\t: M32102\n"
- "cache size\t: I-8KB\n");
-#elif defined(CONFIG_CHIP_OPSP)
- seq_printf(m,"cpu family\t: OPSP\n"
- "cache size\t: I-8KB/D-8KB\n");
-#elif defined(CONFIG_CHIP_MP)
- seq_printf(m, "cpu family\t: M32R-MP\n"
- "cache size\t: I-xxKB/D-xxKB\n");
-#elif defined(CONFIG_CHIP_M32104)
- seq_printf(m,"cpu family\t: M32104\n"
- "cache size\t: I-8KB/D-8KB\n");
-#else
- seq_printf(m, "cpu family\t: Unknown\n");
-#endif
- seq_printf(m, "bogomips\t: %lu.%02lu\n",
- c->loops_per_jiffy/(500000/HZ),
- (c->loops_per_jiffy/(5000/HZ)) % 100);
-#if defined(CONFIG_PLAT_MAPPI)
- seq_printf(m, "Machine\t\t: Mappi Evaluation board\n");
-#elif defined(CONFIG_PLAT_MAPPI2)
- seq_printf(m, "Machine\t\t: Mappi-II Evaluation board\n");
-#elif defined(CONFIG_PLAT_MAPPI3)
- seq_printf(m, "Machine\t\t: Mappi-III Evaluation board\n");
-#elif defined(CONFIG_PLAT_M32700UT)
- seq_printf(m, "Machine\t\t: M32700UT Evaluation board\n");
-#elif defined(CONFIG_PLAT_OPSPUT)
- seq_printf(m, "Machine\t\t: OPSPUT Evaluation board\n");
-#elif defined(CONFIG_PLAT_USRV)
- seq_printf(m, "Machine\t\t: uServer\n");
-#elif defined(CONFIG_PLAT_OAKS32R)
- seq_printf(m, "Machine\t\t: OAKS32R\n");
-#elif defined(CONFIG_PLAT_M32104UT)
- seq_printf(m, "Machine\t\t: M3T-M32104UT uT Engine board\n");
-#else
- seq_printf(m, "Machine\t\t: Unknown\n");
-#endif
-
-#define PRINT_CLOCK(name, value) \
- seq_printf(m, name " clock\t: %d.%02dMHz\n", \
- ((value) / 1000000), ((value) % 1000000)/10000)
-
- PRINT_CLOCK("CPU", (int)c->cpu_clock);
- PRINT_CLOCK("Bus", (int)c->bus_clock);
-
- seq_printf(m, "\n");
-
- return 0;
-}
-
-static void *c_start(struct seq_file *m, loff_t *pos)
-{
- return *pos < NR_CPUS ? cpu_data + *pos : NULL;
-}
-
-static void *c_next(struct seq_file *m, void *v, loff_t *pos)
-{
- ++*pos;
- return c_start(m, pos);
-}
-
-static void c_stop(struct seq_file *m, void *v)
-{
-}
-
-const struct seq_operations cpuinfo_op = {
- .start = c_start,
- .next = c_next,
- .stop = c_stop,
- .show = show_cpuinfo,
-};
-#endif /* CONFIG_PROC_FS */
-
-unsigned long cpu_initialized __initdata = 0;
-
-/*
- * cpu_init() initializes state that is per-CPU. Some data is already
- * initialized (naturally) in the bootstrap process.
- * We reload them nevertheless, this function acts as a
- * 'CPU state barrier', nothing should get across.
- */
-#if defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_XNUX2) \
- || defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_M32102) \
- || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104)
-void __init cpu_init (void)
-{
- int cpu_id = smp_processor_id();
-
- if (test_and_set_bit(cpu_id, &cpu_initialized)) {
- printk(KERN_WARNING "CPU#%d already initialized!\n", cpu_id);
- for ( ; ; )
- local_irq_enable();
- }
- printk(KERN_INFO "Initializing CPU#%d\n", cpu_id);
-
- /* Set up and load the per-CPU TSS and LDT */
- mmgrab(&init_mm);
- current->active_mm = &init_mm;
- if (current->mm)
- BUG();
-
- /* Force FPU initialization */
- current_thread_info()->status = 0;
- clear_used_math();
-
-#ifdef CONFIG_MMU
- /* Set up MMU */
- init_mmu();
-#endif
-
- /* Set up ICUIMASK */
- outl(0x00070000, M32R_ICU_IMASK_PORTL); /* imask=111 */
-}
-#endif /* defined(CONFIG_CHIP_VDEC2) ... */
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
deleted file mode 100644
index ba4d8d6330f1..000000000000
--- a/arch/m32r/kernel/signal.c
+++ /dev/null
@@ -1,336 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/signal.c
- *
- * Copyright (c) 2003 Hitoshi Yamamoto
- *
- * Taken from i386 version.
- * Copyright (C) 1991, 1992 Linus Torvalds
- *
- * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson
- * 2000-06-20 Pentium III FXSR, SSE support by Gareth Hughes
- */
-
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/kernel.h>
-#include <linux/signal.h>
-#include <linux/errno.h>
-#include <linux/wait.h>
-#include <linux/unistd.h>
-#include <linux/stddef.h>
-#include <linux/personality.h>
-#include <linux/tracehook.h>
-#include <asm/cacheflush.h>
-#include <asm/ucontext.h>
-#include <linux/uaccess.h>
-
-#define DEBUG_SIG 0
-
-/*
- * Do a signal return; undo the signal stack.
- */
-
-struct rt_sigframe
-{
- int sig;
- struct siginfo __user *pinfo;
- void __user *puc;
- struct siginfo info;
- struct ucontext uc;
-// struct _fpstate fpstate;
-};
-
-static int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
- int *r0_p)
-{
- unsigned int err = 0;
-
- /* Always make any pending restarted system calls return -EINTR */
- current->restart_block.fn = do_no_restart_syscall;
-
-#define COPY(x) err |= __get_user(regs->x, &sc->sc_##x)
- COPY(r4);
- COPY(r5);
- COPY(r6);
- COPY(pt_regs);
- /* COPY(r0); Skip r0 */
- COPY(r1);
- COPY(r2);
- COPY(r3);
- COPY(r7);
- COPY(r8);
- COPY(r9);
- COPY(r10);
- COPY(r11);
- COPY(r12);
- COPY(acc0h);
- COPY(acc0l);
- COPY(acc1h); /* ISA_DSP_LEVEL2 only */
- COPY(acc1l); /* ISA_DSP_LEVEL2 only */
- COPY(psw);
- COPY(bpc);
- COPY(bbpsw);
- COPY(bbpc);
- COPY(spu);
- COPY(fp);
- COPY(lr);
- COPY(spi);
-#undef COPY
-
- regs->syscall_nr = -1; /* disable syscall checks */
- err |= __get_user(*r0_p, &sc->sc_r0);
-
- return err;
-}
-
-asmlinkage int
-sys_rt_sigreturn(unsigned long r0, unsigned long r1,
- unsigned long r2, unsigned long r3, unsigned long r4,
- unsigned long r5, unsigned long r6, struct pt_regs *regs)
-{
- struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs->spu;
- sigset_t set;
- int result;
-
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
- goto badframe;
- if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
- goto badframe;
-
- set_current_blocked(&set);
-
- if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &result))
- goto badframe;
-
- if (restore_altstack(&frame->uc.uc_stack))
- goto badframe;
-
- return result;
-
-badframe:
- force_sig(SIGSEGV, current);
- return 0;
-}
-
-/*
- * Set up a signal frame.
- */
-
-static int
-setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
- unsigned long mask)
-{
- int err = 0;
-
-#define COPY(x) err |= __put_user(regs->x, &sc->sc_##x)
- COPY(r4);
- COPY(r5);
- COPY(r6);
- COPY(pt_regs);
- COPY(r0);
- COPY(r1);
- COPY(r2);
- COPY(r3);
- COPY(r7);
- COPY(r8);
- COPY(r9);
- COPY(r10);
- COPY(r11);
- COPY(r12);
- COPY(acc0h);
- COPY(acc0l);
- COPY(acc1h); /* ISA_DSP_LEVEL2 only */
- COPY(acc1l); /* ISA_DSP_LEVEL2 only */
- COPY(psw);
- COPY(bpc);
- COPY(bbpsw);
- COPY(bbpc);
- COPY(spu);
- COPY(fp);
- COPY(lr);
- COPY(spi);
-#undef COPY
-
- err |= __put_user(mask, &sc->oldmask);
-
- return err;
-}
-
-/*
- * Determine which stack to use..
- */
-static inline void __user *
-get_sigframe(struct ksignal *ksig, unsigned long sp, size_t frame_size)
-{
- return (void __user *)((sigsp(sp, ksig) - frame_size) & -8ul);
-}
-
-static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
- struct pt_regs *regs)
-{
- struct rt_sigframe __user *frame;
- int err = 0;
- int sig = ksig->sig;
-
- frame = get_sigframe(ksig, regs->spu, sizeof(*frame));
-
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- return -EFAULT;
-
- err |= __put_user(sig, &frame->sig);
- if (err)
- return -EFAULT;
-
- err |= __put_user(&frame->info, &frame->pinfo);
- err |= __put_user(&frame->uc, &frame->puc);
- err |= copy_siginfo_to_user(&frame->info, &ksig->info);
- if (err)
- return -EFAULT;
-
- /* Create the ucontext. */
- err |= __put_user(0, &frame->uc.uc_flags);
- err |= __put_user(0, &frame->uc.uc_link);
- err |= __save_altstack(&frame->uc.uc_stack, regs->spu);
- err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]);
- err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
- if (err)
- return -EFAULT;
-
- /* Set up to return from userspace. */
- regs->lr = (unsigned long)ksig->ka.sa.sa_restorer;
-
- /* Set up registers for signal handler */
- regs->spu = (unsigned long)frame;
- regs->r0 = sig; /* Arg for signal handler */
- regs->r1 = (unsigned long)&frame->info;
- regs->r2 = (unsigned long)&frame->uc;
- regs->bpc = (unsigned long)ksig->ka.sa.sa_handler;
-
-#if DEBUG_SIG
- printk("SIG deliver (%s:%d): sp=%p pc=%p\n",
- current->comm, current->pid, frame, regs->pc);
-#endif
-
- return 0;
-}
-
-static int prev_insn(struct pt_regs *regs)
-{
- u16 inst;
- if (get_user(inst, (u16 __user *)(regs->bpc - 2)))
- return -EFAULT;
- if ((inst & 0xfff0) == 0x10f0) /* trap ? */
- regs->bpc -= 2;
- else
- regs->bpc -= 4;
- regs->syscall_nr = -1;
- return 0;
-}
-
-/*
- * OK, we're invoking a handler
- */
-
-static void
-handle_signal(struct ksignal *ksig, struct pt_regs *regs)
-{
- int ret;
-
- /* Are we from a system call? */
- if (regs->syscall_nr >= 0) {
- /* If so, check system call restarting.. */
- switch (regs->r0) {
- case -ERESTART_RESTARTBLOCK:
- case -ERESTARTNOHAND:
- regs->r0 = -EINTR;
- break;
-
- case -ERESTARTSYS:
- if (!(ksig->ka.sa.sa_flags & SA_RESTART)) {
- regs->r0 = -EINTR;
- break;
- }
- /* fallthrough */
- case -ERESTARTNOINTR:
- regs->r0 = regs->orig_r0;
- if (prev_insn(regs) < 0)
- return;
- }
- }
-
- /* Set up the stack frame */
- ret = setup_rt_frame(ksig, sigmask_to_save(), regs);
-
- signal_setup_done(ret, ksig, 0);
-}
-
-/*
- * Note that 'init' is a special process: it doesn't get signals it doesn't
- * want to handle. Thus you cannot kill init even with a SIGKILL even by
- * mistake.
- */
-static void do_signal(struct pt_regs *regs)
-{
- struct ksignal ksig;
-
- /*
- * We want the common case to go fast, which
- * is why we may in certain cases get here from
- * kernel mode. Just return without doing anything
- * if so.
- */
- if (!user_mode(regs))
- return;
-
- if (get_signal(&ksig)) {
- /* Re-enable any watchpoints before delivering the
- * signal to user space. The processor register will
- * have been cleared if the watchpoint triggered
- * inside the kernel.
- */
-
- /* Whee! Actually deliver the signal. */
- handle_signal(&ksig, regs);
-
- return;
- }
-
- /* Did we come from a system call? */
- if (regs->syscall_nr >= 0) {
- /* Restart the system call - no handlers present */
- if (regs->r0 == -ERESTARTNOHAND ||
- regs->r0 == -ERESTARTSYS ||
- regs->r0 == -ERESTARTNOINTR) {
- regs->r0 = regs->orig_r0;
- prev_insn(regs);
- } else if (regs->r0 == -ERESTART_RESTARTBLOCK){
- regs->r0 = regs->orig_r0;
- regs->r7 = __NR_restart_syscall;
- prev_insn(regs);
- }
- }
- restore_saved_sigmask();
-}
-
-/*
- * notification of userspace execution resumption
- * - triggered by current->work.notify_resume
- */
-void do_notify_resume(struct pt_regs *regs, __u32 thread_info_flags)
-{
- /* Pending single-step? */
- if (thread_info_flags & _TIF_SINGLESTEP)
- clear_thread_flag(TIF_SINGLESTEP);
-
- /* deal with pending signal delivery */
- if (thread_info_flags & _TIF_SIGPENDING)
- do_signal(regs);
-
- if (thread_info_flags & _TIF_NOTIFY_RESUME) {
- clear_thread_flag(TIF_NOTIFY_RESUME);
- tracehook_notify_resume(regs);
- }
-}
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c
deleted file mode 100644
index 564052e3d3a0..000000000000
--- a/arch/m32r/kernel/smp.c
+++ /dev/null
@@ -1,836 +0,0 @@
-/*
- * linux/arch/m32r/kernel/smp.c
- *
- * M32R SMP support routines.
- *
- * Copyright (c) 2001, 2002 Hitoshi Yamamoto
- *
- * Taken from i386 version.
- * (c) 1995 Alan Cox, Building #3 <alan@redhat.com>
- * (c) 1998-99, 2000 Ingo Molnar <mingo@redhat.com>
- *
- * This code is released under the GNU General Public License version 2 or
- * later.
- */
-
-#undef DEBUG_SMP
-
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/profile.h>
-#include <linux/cpu.h>
-
-#include <asm/cacheflush.h>
-#include <asm/pgalloc.h>
-#include <linux/atomic.h>
-#include <asm/io.h>
-#include <asm/mmu_context.h>
-#include <asm/m32r.h>
-#include <asm/tlbflush.h>
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Data structures and variables */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*
- * For flush_cache_all()
- */
-static DEFINE_SPINLOCK(flushcache_lock);
-static volatile unsigned long flushcache_cpumask = 0;
-
-/*
- * For flush_tlb_others()
- */
-static cpumask_t flush_cpumask;
-static struct mm_struct *flush_mm;
-static struct vm_area_struct *flush_vma;
-static volatile unsigned long flush_va;
-static DEFINE_SPINLOCK(tlbstate_lock);
-#define FLUSH_ALL 0xffffffff
-
-DECLARE_PER_CPU(int, prof_multiplier);
-DECLARE_PER_CPU(int, prof_old_multiplier);
-DECLARE_PER_CPU(int, prof_counter);
-
-extern spinlock_t ipi_lock[];
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Function Prototypes */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-void smp_reschedule_interrupt(void);
-void smp_flush_cache_all_interrupt(void);
-
-static void flush_tlb_all_ipi(void *);
-static void flush_tlb_others(cpumask_t, struct mm_struct *,
- struct vm_area_struct *, unsigned long);
-
-void smp_invalidate_interrupt(void);
-
-static void stop_this_cpu(void *);
-
-void smp_ipi_timer_interrupt(struct pt_regs *);
-void smp_local_timer_interrupt(void);
-
-static void send_IPI_allbutself(int, int);
-static void send_IPI_mask(const struct cpumask *, int, int);
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Rescheduling request Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*==========================================================================*
- * Name: smp_send_reschedule
- *
- * Description: This routine requests other CPU to execute rescheduling.
- * 1.Send 'RESCHEDULE_IPI' to other CPU.
- * Request other CPU to execute 'smp_reschedule_interrupt()'.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: cpu_id - Target CPU ID
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_send_reschedule(int cpu_id)
-{
- WARN_ON(cpu_is_offline(cpu_id));
- send_IPI_mask(cpumask_of(cpu_id), RESCHEDULE_IPI, 1);
-}
-
-/*==========================================================================*
- * Name: smp_reschedule_interrupt
- *
- * Description: This routine executes on CPU which received
- * 'RESCHEDULE_IPI'.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_reschedule_interrupt(void)
-{
- scheduler_ipi();
-}
-
-/*==========================================================================*
- * Name: smp_flush_cache_all
- *
- * Description: This routine sends a 'INVALIDATE_CACHE_IPI' to all other
- * CPUs in the system.
- *
- * Born on Date: 2003-05-28
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_flush_cache_all(void)
-{
- cpumask_t cpumask;
- unsigned long *mask;
-
- preempt_disable();
- cpumask_copy(&cpumask, cpu_online_mask);
- cpumask_clear_cpu(smp_processor_id(), &cpumask);
- spin_lock(&flushcache_lock);
- mask=cpumask_bits(&cpumask);
- atomic_or(*mask, (atomic_t *)&flushcache_cpumask);
- send_IPI_mask(&cpumask, INVALIDATE_CACHE_IPI, 0);
- _flush_cache_copyback_all();
- while (flushcache_cpumask)
- mb();
- spin_unlock(&flushcache_lock);
- preempt_enable();
-}
-EXPORT_SYMBOL(smp_flush_cache_all);
-
-void smp_flush_cache_all_interrupt(void)
-{
- _flush_cache_copyback_all();
- clear_bit(smp_processor_id(), &flushcache_cpumask);
-}
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* TLB flush request Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*==========================================================================*
- * Name: smp_flush_tlb_all
- *
- * Description: This routine flushes all processes TLBs.
- * 1.Request other CPU to execute 'flush_tlb_all_ipi()'.
- * 2.Execute 'do_flush_tlb_all_local()'.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_flush_tlb_all(void)
-{
- unsigned long flags;
-
- preempt_disable();
- local_irq_save(flags);
- __flush_tlb_all();
- local_irq_restore(flags);
- smp_call_function(flush_tlb_all_ipi, NULL, 1);
- preempt_enable();
-}
-
-/*==========================================================================*
- * Name: flush_tlb_all_ipi
- *
- * Description: This routine flushes all local TLBs.
- * 1.Execute 'do_flush_tlb_all_local()'.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *info - not used
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-static void flush_tlb_all_ipi(void *info)
-{
- __flush_tlb_all();
-}
-
-/*==========================================================================*
- * Name: smp_flush_tlb_mm
- *
- * Description: This routine flushes the specified mm context TLB's.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *mm - a pointer to the mm struct for flush TLB
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_flush_tlb_mm(struct mm_struct *mm)
-{
- int cpu_id;
- cpumask_t cpu_mask;
- unsigned long *mmc;
- unsigned long flags;
-
- preempt_disable();
- cpu_id = smp_processor_id();
- mmc = &mm->context[cpu_id];
- cpumask_copy(&cpu_mask, mm_cpumask(mm));
- cpumask_clear_cpu(cpu_id, &cpu_mask);
-
- if (*mmc != NO_CONTEXT) {
- local_irq_save(flags);
- *mmc = NO_CONTEXT;
- if (mm == current->mm)
- activate_context(mm);
- else
- cpumask_clear_cpu(cpu_id, mm_cpumask(mm));
- local_irq_restore(flags);
- }
- if (!cpumask_empty(&cpu_mask))
- flush_tlb_others(cpu_mask, mm, NULL, FLUSH_ALL);
-
- preempt_enable();
-}
-
-/*==========================================================================*
- * Name: smp_flush_tlb_range
- *
- * Description: This routine flushes a range of pages.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *mm - a pointer to the mm struct for flush TLB
- * start - not used
- * end - not used
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
-{
- smp_flush_tlb_mm(vma->vm_mm);
-}
-
-/*==========================================================================*
- * Name: smp_flush_tlb_page
- *
- * Description: This routine flushes one page.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *vma - a pointer to the vma struct include va
- * va - virtual address for flush TLB
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long va)
-{
- struct mm_struct *mm = vma->vm_mm;
- int cpu_id;
- cpumask_t cpu_mask;
- unsigned long *mmc;
- unsigned long flags;
-
- preempt_disable();
- cpu_id = smp_processor_id();
- mmc = &mm->context[cpu_id];
- cpumask_copy(&cpu_mask, mm_cpumask(mm));
- cpumask_clear_cpu(cpu_id, &cpu_mask);
-
-#ifdef DEBUG_SMP
- if (!mm)
- BUG();
-#endif
-
- if (*mmc != NO_CONTEXT) {
- local_irq_save(flags);
- va &= PAGE_MASK;
- va |= (*mmc & MMU_CONTEXT_ASID_MASK);
- __flush_tlb_page(va);
- local_irq_restore(flags);
- }
- if (!cpumask_empty(&cpu_mask))
- flush_tlb_others(cpu_mask, mm, vma, va);
-
- preempt_enable();
-}
-
-/*==========================================================================*
- * Name: flush_tlb_others
- *
- * Description: This routine requests other CPU to execute flush TLB.
- * 1.Setup parameters.
- * 2.Send 'INVALIDATE_TLB_IPI' to other CPU.
- * Request other CPU to execute 'smp_invalidate_interrupt()'.
- * 3.Wait for other CPUs operation finished.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: cpumask - bitmap of target CPUs
- * *mm - a pointer to the mm struct for flush TLB
- * *vma - a pointer to the vma struct include va
- * va - virtual address for flush TLB
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
- struct vm_area_struct *vma, unsigned long va)
-{
- unsigned long *mask;
-#ifdef DEBUG_SMP
- unsigned long flags;
- __save_flags(flags);
- if (!(flags & 0x0040)) /* Interrupt Disable NONONO */
- BUG();
-#endif /* DEBUG_SMP */
-
- /*
- * A couple of (to be removed) sanity checks:
- *
- * - we do not send IPIs to not-yet booted CPUs.
- * - current CPU must not be in mask
- * - mask must exist :)
- */
- BUG_ON(cpumask_empty(&cpumask));
-
- BUG_ON(cpumask_test_cpu(smp_processor_id(), &cpumask));
- BUG_ON(!mm);
-
- /* If a CPU which we ran on has gone down, OK. */
- cpumask_and(&cpumask, &cpumask, cpu_online_mask);
- if (cpumask_empty(&cpumask))
- return;
-
- /*
- * i'm not happy about this global shared spinlock in the
- * MM hot path, but we'll see how contended it is.
- * Temporarily this turns IRQs off, so that lockups are
- * detected by the NMI watchdog.
- */
- spin_lock(&tlbstate_lock);
-
- flush_mm = mm;
- flush_vma = vma;
- flush_va = va;
- mask=cpumask_bits(&cpumask);
- atomic_or(*mask, (atomic_t *)&flush_cpumask);
-
- /*
- * We have to send the IPI only to
- * CPUs affected.
- */
- send_IPI_mask(&cpumask, INVALIDATE_TLB_IPI, 0);
-
- while (!cpumask_empty(&flush_cpumask)) {
- /* nothing. lockup detection does not belong here */
- mb();
- }
-
- flush_mm = NULL;
- flush_vma = NULL;
- flush_va = 0;
- spin_unlock(&tlbstate_lock);
-}
-
-/*==========================================================================*
- * Name: smp_invalidate_interrupt
- *
- * Description: This routine executes on CPU which received
- * 'INVALIDATE_TLB_IPI'.
- * 1.Flush local TLB.
- * 2.Report flush TLB process was finished.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_invalidate_interrupt(void)
-{
- int cpu_id = smp_processor_id();
- unsigned long *mmc = &flush_mm->context[cpu_id];
-
- if (!cpumask_test_cpu(cpu_id, &flush_cpumask))
- return;
-
- if (flush_va == FLUSH_ALL) {
- *mmc = NO_CONTEXT;
- if (flush_mm == current->active_mm)
- activate_context(flush_mm);
- else
- cpumask_clear_cpu(cpu_id, mm_cpumask(flush_mm));
- } else {
- unsigned long va = flush_va;
-
- if (*mmc != NO_CONTEXT) {
- va &= PAGE_MASK;
- va |= (*mmc & MMU_CONTEXT_ASID_MASK);
- __flush_tlb_page(va);
- }
- }
- cpumask_clear_cpu(cpu_id, &flush_cpumask);
-}
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Stop CPU request Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*==========================================================================*
- * Name: smp_send_stop
- *
- * Description: This routine requests stop all CPUs.
- * 1.Request other CPU to execute 'stop_this_cpu()'.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_send_stop(void)
-{
- smp_call_function(stop_this_cpu, NULL, 0);
-}
-
-/*==========================================================================*
- * Name: stop_this_cpu
- *
- * Description: This routine halt CPU.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-static void stop_this_cpu(void *dummy)
-{
- int cpu_id = smp_processor_id();
-
- /*
- * Remove this CPU:
- */
- set_cpu_online(cpu_id, false);
-
- /*
- * PSW IE = 1;
- * IMASK = 0;
- * goto SLEEP
- */
- local_irq_disable();
- outl(0, M32R_ICU_IMASK_PORTL);
- inl(M32R_ICU_IMASK_PORTL); /* dummy read */
- local_irq_enable();
-
- for ( ; ; );
-}
-
-void arch_send_call_function_ipi_mask(const struct cpumask *mask)
-{
- send_IPI_mask(mask, CALL_FUNCTION_IPI, 0);
-}
-
-void arch_send_call_function_single_ipi(int cpu)
-{
- send_IPI_mask(cpumask_of(cpu), CALL_FUNC_SINGLE_IPI, 0);
-}
-
-/*==========================================================================*
- * Name: smp_call_function_interrupt
- *
- * Description: This routine executes on CPU which received
- * 'CALL_FUNCTION_IPI'.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_call_function_interrupt(void)
-{
- irq_enter();
- generic_smp_call_function_interrupt();
- irq_exit();
-}
-
-void smp_call_function_single_interrupt(void)
-{
- irq_enter();
- generic_smp_call_function_single_interrupt();
- irq_exit();
-}
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Timer Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*==========================================================================*
- * Name: smp_send_timer
- *
- * Description: This routine sends a 'LOCAL_TIMER_IPI' to all other CPUs
- * in the system.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_send_timer(void)
-{
- send_IPI_allbutself(LOCAL_TIMER_IPI, 1);
-}
-
-/*==========================================================================*
- * Name: smp_send_timer
- *
- * Description: This routine executes on CPU which received
- * 'LOCAL_TIMER_IPI'.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *regs - a pointer to the saved regster info
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-void smp_ipi_timer_interrupt(struct pt_regs *regs)
-{
- struct pt_regs *old_regs;
- old_regs = set_irq_regs(regs);
- irq_enter();
- smp_local_timer_interrupt();
- irq_exit();
- set_irq_regs(old_regs);
-}
-
-/*==========================================================================*
- * Name: smp_local_timer_interrupt
- *
- * Description: Local timer interrupt handler. It does both profiling and
- * process statistics/rescheduling.
- * We do profiling in every local tick, statistics/rescheduling
- * happen only every 'profiling multiplier' ticks. The default
- * multiplier is 1 and it can be changed by writing the new
- * multiplier value into /proc/profile.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *regs - a pointer to the saved regster info
- *
- * Returns: void (cannot fail)
- *
- * Original: arch/i386/kernel/apic.c
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- * 2003-06-24 hy use per_cpu structure.
- *==========================================================================*/
-void smp_local_timer_interrupt(void)
-{
- int user = user_mode(get_irq_regs());
- int cpu_id = smp_processor_id();
-
- /*
- * The profiling function is SMP safe. (nothing can mess
- * around with "current", and the profiling counters are
- * updated with atomic operations). This is especially
- * useful with a profiling multiplier != 1
- */
-
- profile_tick(CPU_PROFILING);
-
- if (--per_cpu(prof_counter, cpu_id) <= 0) {
- /*
- * The multiplier may have changed since the last time we got
- * to this point as a result of the user writing to
- * /proc/profile. In this case we need to adjust the APIC
- * timer accordingly.
- *
- * Interrupts are already masked off at this point.
- */
- per_cpu(prof_counter, cpu_id)
- = per_cpu(prof_multiplier, cpu_id);
- if (per_cpu(prof_counter, cpu_id)
- != per_cpu(prof_old_multiplier, cpu_id))
- {
- per_cpu(prof_old_multiplier, cpu_id)
- = per_cpu(prof_counter, cpu_id);
- }
-
- update_process_times(user);
- }
-}
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Send IPI Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*==========================================================================*
- * Name: send_IPI_allbutself
- *
- * Description: This routine sends a IPI to all other CPUs in the system.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: ipi_num - Number of IPI
- * try - 0 : Send IPI certainly.
- * !0 : The following IPI is not sent when Target CPU
- * has not received the before IPI.
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-static void send_IPI_allbutself(int ipi_num, int try)
-{
- cpumask_t cpumask;
-
- cpumask_copy(&cpumask, cpu_online_mask);
- cpumask_clear_cpu(smp_processor_id(), &cpumask);
-
- send_IPI_mask(&cpumask, ipi_num, try);
-}
-
-/*==========================================================================*
- * Name: send_IPI_mask
- *
- * Description: This routine sends a IPI to CPUs in the system.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: cpu_mask - Bitmap of target CPUs logical ID
- * ipi_num - Number of IPI
- * try - 0 : Send IPI certainly.
- * !0 : The following IPI is not sent when Target CPU
- * has not received the before IPI.
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-static void send_IPI_mask(const struct cpumask *cpumask, int ipi_num, int try)
-{
- cpumask_t physid_mask, tmp;
- int cpu_id, phys_id;
- int num_cpus = num_online_cpus();
-
- if (num_cpus <= 1) /* NO MP */
- return;
-
- cpumask_and(&tmp, cpumask, cpu_online_mask);
- BUG_ON(!cpumask_equal(cpumask, &tmp));
-
- cpumask_clear(&physid_mask);
- for_each_cpu(cpu_id, cpumask) {
- if ((phys_id = cpu_to_physid(cpu_id)) != -1)
- cpumask_set_cpu(phys_id, &physid_mask);
- }
-
- send_IPI_mask_phys(&physid_mask, ipi_num, try);
-}
-
-/*==========================================================================*
- * Name: send_IPI_mask_phys
- *
- * Description: This routine sends a IPI to other CPUs in the system.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: cpu_mask - Bitmap of target CPUs physical ID
- * ipi_num - Number of IPI
- * try - 0 : Send IPI certainly.
- * !0 : The following IPI is not sent when Target CPU
- * has not received the before IPI.
- *
- * Returns: IPICRi regster value.
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-unsigned long send_IPI_mask_phys(const cpumask_t *physid_mask, int ipi_num,
- int try)
-{
- spinlock_t *ipilock;
- volatile unsigned long *ipicr_addr;
- unsigned long ipicr_val;
- unsigned long my_physid_mask;
- unsigned long mask = cpumask_bits(physid_mask)[0];
-
-
- if (mask & ~physids_coerce(phys_cpu_present_map))
- BUG();
- if (ipi_num >= NR_IPIS || ipi_num < 0)
- BUG();
-
- mask <<= IPI_SHIFT;
- ipilock = &ipi_lock[ipi_num];
- ipicr_addr = (volatile unsigned long *)(M32R_ICU_IPICR_ADDR
- + (ipi_num << 2));
- my_physid_mask = ~(1 << smp_processor_id());
-
- /*
- * lock ipi_lock[i]
- * check IPICRi == 0
- * write IPICRi (send IPIi)
- * unlock ipi_lock[i]
- */
- spin_lock(ipilock);
- __asm__ __volatile__ (
- ";; CHECK IPICRi == 0 \n\t"
- ".fillinsn \n"
- "1: \n\t"
- "ld %0, @%1 \n\t"
- "and %0, %4 \n\t"
- "beqz %0, 2f \n\t"
- "bnez %3, 3f \n\t"
- "bra 1b \n\t"
- ";; WRITE IPICRi (send IPIi) \n\t"
- ".fillinsn \n"
- "2: \n\t"
- "st %2, @%1 \n\t"
- ".fillinsn \n"
- "3: \n\t"
- : "=&r"(ipicr_val)
- : "r"(ipicr_addr), "r"(mask), "r"(try), "r"(my_physid_mask)
- : "memory"
- );
- spin_unlock(ipilock);
-
- return ipicr_val;
-}
diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
deleted file mode 100644
index a7d04684d2c7..000000000000
--- a/arch/m32r/kernel/smpboot.c
+++ /dev/null
@@ -1,627 +0,0 @@
-/*
- * linux/arch/m32r/kernel/smpboot.c
- * orig : i386 2.4.10
- *
- * M32R SMP booting functions
- *
- * Copyright (c) 2001, 2002, 2003 Hitoshi Yamamoto
- *
- * Taken from i386 version.
- * (c) 1995 Alan Cox, Building #3 <alan@redhat.com>
- * (c) 1998, 1999, 2000 Ingo Molnar <mingo@redhat.com>
- *
- * Much of the core SMP work is based on previous work by Thomas Radke, to
- * whom a great many thanks are extended.
- *
- * Thanks to Intel for making available several different Pentium,
- * Pentium Pro and Pentium-II/Xeon MP machines.
- * Original development of Linux SMP code supported by Caldera.
- *
- * This code is released under the GNU General Public License version 2 or
- * later.
- *
- * Fixes
- * Felix Koop : NR_CPUS used properly
- * Jose Renau : Handle single CPU case.
- * Alan Cox : By repeated request
- * 8) - Total BogoMIP report.
- * Greg Wright : Fix for kernel stacks panic.
- * Erich Boleyn : MP v1.4 and additional changes.
- * Matthias Sattler : Changes for 2.1 kernel map.
- * Michel Lespinasse : Changes for 2.1 kernel map.
- * Michael Chastain : Change trampoline.S to gnu as.
- * Alan Cox : Dumb bug: 'B' step PPro's are fine
- * Ingo Molnar : Added APIC timers, based on code
- * from Jose Renau
- * Ingo Molnar : various cleanups and rewrites
- * Tigran Aivazian : fixed "0.00 in /proc/uptime on SMP" bug.
- * Maciej W. Rozycki : Bits for genuine 82489DX APICs
- * Martin J. Bligh : Added support for multi-quad systems
- */
-
-#include <linux/module.h>
-#include <linux/cpu.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/sched/task.h>
-#include <linux/err.h>
-#include <linux/irq.h>
-#include <linux/bootmem.h>
-#include <linux/delay.h>
-
-#include <asm/io.h>
-#include <asm/pgalloc.h>
-#include <asm/tlbflush.h>
-
-#define DEBUG_SMP
-#ifdef DEBUG_SMP
-#define Dprintk(x...) printk(x)
-#else
-#define Dprintk(x...)
-#endif
-
-extern cpumask_t cpu_initialized;
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Data structures and variables */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/* Processor that is doing the boot up */
-static unsigned int bsp_phys_id = -1;
-
-/* Bitmask of physically existing CPUs */
-physid_mask_t phys_cpu_present_map;
-
-cpumask_t cpu_bootout_map;
-cpumask_t cpu_bootin_map;
-static cpumask_t cpu_callin_map;
-cpumask_t cpu_callout_map;
-EXPORT_SYMBOL(cpu_callout_map);
-
-/* Per CPU bogomips and other parameters */
-struct cpuinfo_m32r cpu_data[NR_CPUS] __cacheline_aligned;
-
-static int cpucount;
-static cpumask_t smp_commenced_mask;
-
-extern struct {
- void * spi;
- unsigned short ss;
-} stack_start;
-
-/* which physical physical ID maps to which logical CPU number */
-static volatile int physid_2_cpu[NR_CPUS];
-#define physid_to_cpu(physid) physid_2_cpu[physid]
-
-/* which logical CPU number maps to which physical ID */
-volatile int cpu_2_physid[NR_CPUS];
-
-DEFINE_PER_CPU(int, prof_multiplier) = 1;
-DEFINE_PER_CPU(int, prof_old_multiplier) = 1;
-DEFINE_PER_CPU(int, prof_counter) = 1;
-
-spinlock_t ipi_lock[NR_IPIS];
-
-static unsigned int calibration_result;
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Function Prototypes */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-static void init_ipi_lock(void);
-static void do_boot_cpu(int);
-
-int start_secondary(void *);
-static void smp_callin(void);
-static void smp_online(void);
-
-static void show_mp_info(int);
-static void smp_store_cpu_info(int);
-static void show_cpu_info(int);
-int setup_profiling_timer(unsigned int);
-static void init_cpu_to_physid(void);
-static void map_cpu_to_physid(int, int);
-static void unmap_cpu_to_physid(int, int);
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Boot up APs Routines : BSP */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-void smp_prepare_boot_cpu(void)
-{
- bsp_phys_id = hard_smp_processor_id();
- physid_set(bsp_phys_id, phys_cpu_present_map);
- set_cpu_online(0, true); /* BSP's cpu_id == 0 */
- cpumask_set_cpu(0, &cpu_callout_map);
- cpumask_set_cpu(0, &cpu_callin_map);
-
- /*
- * Initialize the logical to physical CPU number mapping
- */
- init_cpu_to_physid();
- map_cpu_to_physid(0, bsp_phys_id);
- current_thread_info()->cpu = 0;
-}
-
-/*==========================================================================*
- * Name: smp_prepare_cpus (old smp_boot_cpus)
- *
- * Description: This routine boot up APs.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- * 2003-06-24 hy modify for linux-2.5.69
- *
- *==========================================================================*/
-void __init smp_prepare_cpus(unsigned int max_cpus)
-{
- int phys_id;
- unsigned long nr_cpu;
-
- nr_cpu = inl(M32R_FPGA_NUM_OF_CPUS_PORTL);
- if (nr_cpu > NR_CPUS) {
- printk(KERN_INFO "NUM_OF_CPUS reg. value [%ld] > NR_CPU [%d]",
- nr_cpu, NR_CPUS);
- goto smp_done;
- }
- for (phys_id = 0 ; phys_id < nr_cpu ; phys_id++)
- physid_set(phys_id, phys_cpu_present_map);
-#ifndef CONFIG_HOTPLUG_CPU
- init_cpu_present(cpu_possible_mask);
-#endif
-
- show_mp_info(nr_cpu);
-
- init_ipi_lock();
-
- /*
- * Setup boot CPU information
- */
- smp_store_cpu_info(0); /* Final full version of the data */
-
- /*
- * If SMP should be disabled, then really disable it!
- */
- if (!max_cpus) {
- printk(KERN_INFO "SMP mode deactivated by commandline.\n");
- goto smp_done;
- }
-
- /*
- * Now scan the CPU present map and fire up the other CPUs.
- */
- Dprintk("CPU present map : %lx\n", physids_coerce(phys_cpu_present_map));
-
- for (phys_id = 0 ; phys_id < NR_CPUS ; phys_id++) {
- /*
- * Don't even attempt to start the boot CPU!
- */
- if (phys_id == bsp_phys_id)
- continue;
-
- if (!physid_isset(phys_id, phys_cpu_present_map))
- continue;
-
- if (max_cpus <= cpucount + 1)
- continue;
-
- do_boot_cpu(phys_id);
-
- /*
- * Make sure we unmap all failed CPUs
- */
- if (physid_to_cpu(phys_id) == -1) {
- physid_clear(phys_id, phys_cpu_present_map);
- printk("phys CPU#%d not responding - " \
- "cannot use it.\n", phys_id);
- }
- }
-
-smp_done:
- Dprintk("Boot done.\n");
-}
-
-/*
- * init_ipi_lock : Initialize IPI locks.
- */
-static void __init init_ipi_lock(void)
-{
- int ipi;
-
- for (ipi = 0 ; ipi < NR_IPIS ; ipi++)
- spin_lock_init(&ipi_lock[ipi]);
-}
-
-/*==========================================================================*
- * Name: do_boot_cpu
- *
- * Description: This routine boot up one AP.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: phys_id - Target CPU physical ID
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- * 2003-06-24 hy modify for linux-2.5.69
- *
- *==========================================================================*/
-static void __init do_boot_cpu(int phys_id)
-{
- struct task_struct *idle;
- unsigned long send_status, boot_status;
- int timeout, cpu_id;
-
- cpu_id = ++cpucount;
-
- /*
- * We can't use kernel_thread since we must avoid to
- * reschedule the child.
- */
- idle = fork_idle(cpu_id);
- if (IS_ERR(idle))
- panic("failed fork for CPU#%d.", cpu_id);
-
- idle->thread.lr = (unsigned long)start_secondary;
-
- map_cpu_to_physid(cpu_id, phys_id);
-
- /* So we see what's up */
- printk("Booting processor %d/%d\n", phys_id, cpu_id);
- stack_start.spi = (void *)idle->thread.sp;
- task_thread_info(idle)->cpu = cpu_id;
-
- /*
- * Send Startup IPI
- * 1.IPI received by CPU#(phys_id).
- * 2.CPU#(phys_id) enter startup_AP (arch/m32r/kernel/head.S)
- * 3.CPU#(phys_id) enter start_secondary()
- */
- send_status = 0;
- boot_status = 0;
-
- cpumask_set_cpu(phys_id, &cpu_bootout_map);
-
- /* Send Startup IPI */
- send_IPI_mask_phys(cpumask_of(phys_id), CPU_BOOT_IPI, 0);
-
- Dprintk("Waiting for send to finish...\n");
- timeout = 0;
-
- /* Wait 100[ms] */
- do {
- Dprintk("+");
- udelay(1000);
- send_status = !cpumask_test_cpu(phys_id, &cpu_bootin_map);
- } while (send_status && (timeout++ < 100));
-
- Dprintk("After Startup.\n");
-
- if (!send_status) {
- /*
- * allow APs to start initializing.
- */
- Dprintk("Before Callout %d.\n", cpu_id);
- cpumask_set_cpu(cpu_id, &cpu_callout_map);
- Dprintk("After Callout %d.\n", cpu_id);
-
- /*
- * Wait 5s total for a response
- */
- for (timeout = 0; timeout < 5000; timeout++) {
- if (cpumask_test_cpu(cpu_id, &cpu_callin_map))
- break; /* It has booted */
- udelay(1000);
- }
-
- if (cpumask_test_cpu(cpu_id, &cpu_callin_map)) {
- /* number CPUs logically, starting from 1 (BSP is 0) */
- Dprintk("OK.\n");
- } else {
- boot_status = 1;
- printk("Not responding.\n");
- }
- } else
- printk("IPI never delivered???\n");
-
- if (send_status || boot_status) {
- unmap_cpu_to_physid(cpu_id, phys_id);
- cpumask_clear_cpu(cpu_id, &cpu_callout_map);
- cpumask_clear_cpu(cpu_id, &cpu_callin_map);
- cpumask_clear_cpu(cpu_id, &cpu_initialized);
- cpucount--;
- }
-}
-
-int __cpu_up(unsigned int cpu_id, struct task_struct *tidle)
-{
- int timeout;
-
- cpumask_set_cpu(cpu_id, &smp_commenced_mask);
-
- /*
- * Wait 5s total for a response
- */
- for (timeout = 0; timeout < 5000; timeout++) {
- if (cpu_online(cpu_id))
- break;
- udelay(1000);
- }
- if (!cpu_online(cpu_id))
- BUG();
-
- return 0;
-}
-
-void __init smp_cpus_done(unsigned int max_cpus)
-{
- int cpu_id, timeout;
- unsigned long bogosum = 0;
-
- for (timeout = 0; timeout < 5000; timeout++) {
- if (cpumask_equal(&cpu_callin_map, cpu_online_mask))
- break;
- udelay(1000);
- }
- if (!cpumask_equal(&cpu_callin_map, cpu_online_mask))
- BUG();
-
- for_each_online_cpu(cpu_id)
- show_cpu_info(cpu_id);
-
- /*
- * Allow the user to impress friends.
- */
- Dprintk("Before bogomips.\n");
- if (cpucount) {
- for_each_cpu(cpu_id,cpu_online_mask)
- bogosum += cpu_data[cpu_id].loops_per_jiffy;
-
- printk(KERN_INFO "Total of %d processors activated " \
- "(%lu.%02lu BogoMIPS).\n", cpucount + 1,
- bogosum / (500000 / HZ),
- (bogosum / (5000 / HZ)) % 100);
- Dprintk("Before bogocount - setting activated=1.\n");
- }
-}
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Activate a secondary processor Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*==========================================================================*
- * Name: start_secondary
- *
- * Description: This routine activate a secondary processor.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *unused - currently unused.
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- * 2003-06-24 hy modify for linux-2.5.69
- *
- *==========================================================================*/
-int __init start_secondary(void *unused)
-{
- cpu_init();
- preempt_disable();
- smp_callin();
- while (!cpumask_test_cpu(smp_processor_id(), &smp_commenced_mask))
- cpu_relax();
-
- smp_online();
-
- /*
- * low-memory mappings have been cleared, flush them from
- * the local TLBs too.
- */
- local_flush_tlb_all();
-
- cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
- return 0;
-}
-
-/*==========================================================================*
- * Name: smp_callin
- *
- * Description: This routine activate a secondary processor.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: NONE
- *
- * Returns: void (cannot fail)
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- * 2003-06-24 hy modify for linux-2.5.69
- *
- *==========================================================================*/
-static void __init smp_callin(void)
-{
- int phys_id = hard_smp_processor_id();
- int cpu_id = smp_processor_id();
- unsigned long timeout;
-
- if (cpumask_test_cpu(cpu_id, &cpu_callin_map)) {
- printk("huh, phys CPU#%d, CPU#%d already present??\n",
- phys_id, cpu_id);
- BUG();
- }
- Dprintk("CPU#%d (phys ID: %d) waiting for CALLOUT\n", cpu_id, phys_id);
-
- /* Waiting 2s total for startup (udelay is not yet working) */
- timeout = jiffies + (2 * HZ);
- while (time_before(jiffies, timeout)) {
- /* Has the boot CPU finished it's STARTUP sequence ? */
- if (cpumask_test_cpu(cpu_id, &cpu_callout_map))
- break;
- cpu_relax();
- }
-
- if (!time_before(jiffies, timeout)) {
- printk("BUG: CPU#%d started up but did not get a callout!\n",
- cpu_id);
- BUG();
- }
-
- /* Allow the master to continue. */
- cpumask_set_cpu(cpu_id, &cpu_callin_map);
-}
-
-static void __init smp_online(void)
-{
- int cpu_id = smp_processor_id();
-
- notify_cpu_starting(cpu_id);
-
- local_irq_enable();
-
- /* Get our bogomips. */
- calibrate_delay();
-
- /* Save our processor parameters */
- smp_store_cpu_info(cpu_id);
-
- set_cpu_online(cpu_id, true);
-}
-
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Boot up CPUs common Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-static void __init show_mp_info(int nr_cpu)
-{
- int i;
- char cpu_model0[17], cpu_model1[17], cpu_ver[9];
-
- strncpy(cpu_model0, (char *)M32R_FPGA_CPU_NAME_ADDR, 16);
- strncpy(cpu_model1, (char *)M32R_FPGA_MODEL_ID_ADDR, 16);
- strncpy(cpu_ver, (char *)M32R_FPGA_VERSION_ADDR, 8);
-
- cpu_model0[16] = '\0';
- for (i = 15 ; i >= 0 ; i--) {
- if (cpu_model0[i] != ' ')
- break;
- cpu_model0[i] = '\0';
- }
- cpu_model1[16] = '\0';
- for (i = 15 ; i >= 0 ; i--) {
- if (cpu_model1[i] != ' ')
- break;
- cpu_model1[i] = '\0';
- }
- cpu_ver[8] = '\0';
- for (i = 7 ; i >= 0 ; i--) {
- if (cpu_ver[i] != ' ')
- break;
- cpu_ver[i] = '\0';
- }
-
- printk(KERN_INFO "M32R-mp information\n");
- printk(KERN_INFO " On-chip CPUs : %d\n", nr_cpu);
- printk(KERN_INFO " CPU model : %s/%s(%s)\n", cpu_model0,
- cpu_model1, cpu_ver);
-}
-
-/*
- * The bootstrap kernel entry code has set these up. Save them for
- * a given CPU
- */
-static void __init smp_store_cpu_info(int cpu_id)
-{
- struct cpuinfo_m32r *ci = cpu_data + cpu_id;
-
- *ci = boot_cpu_data;
- ci->loops_per_jiffy = loops_per_jiffy;
-}
-
-static void __init show_cpu_info(int cpu_id)
-{
- struct cpuinfo_m32r *ci = &cpu_data[cpu_id];
-
- printk("CPU#%d : ", cpu_id);
-
-#define PRINT_CLOCK(name, value) \
- printk(name " clock %d.%02dMHz", \
- ((value) / 1000000), ((value) % 1000000) / 10000)
-
- PRINT_CLOCK("CPU", (int)ci->cpu_clock);
- PRINT_CLOCK(", Bus", (int)ci->bus_clock);
- printk(", loops_per_jiffy[%ld]\n", ci->loops_per_jiffy);
-}
-
-/*
- * the frequency of the profiling timer can be changed
- * by writing a multiplier value into /proc/profile.
- */
-int setup_profiling_timer(unsigned int multiplier)
-{
- int i;
-
- /*
- * Sanity check. [at least 500 APIC cycles should be
- * between APIC interrupts as a rule of thumb, to avoid
- * irqs flooding us]
- */
- if ( (!multiplier) || (calibration_result / multiplier < 500))
- return -EINVAL;
-
- /*
- * Set the new multiplier for each CPU. CPUs don't start using the
- * new values until the next timer interrupt in which they do process
- * accounting. At that time they also adjust their APIC timers
- * accordingly.
- */
- for_each_possible_cpu(i)
- per_cpu(prof_multiplier, i) = multiplier;
-
- return 0;
-}
-
-/* Initialize all maps between cpu number and apicids */
-static void __init init_cpu_to_physid(void)
-{
- int i;
-
- for (i = 0 ; i < NR_CPUS ; i++) {
- cpu_2_physid[i] = -1;
- physid_2_cpu[i] = -1;
- }
-}
-
-/*
- * set up a mapping between cpu and apicid. Uses logical apicids for multiquad,
- * else physical apic ids
- */
-static void __init map_cpu_to_physid(int cpu_id, int phys_id)
-{
- physid_2_cpu[phys_id] = cpu_id;
- cpu_2_physid[cpu_id] = phys_id;
-}
-
-/*
- * undo a mapping between cpu and apicid. Uses logical apicids for multiquad,
- * else physical apic ids
- */
-static void __init unmap_cpu_to_physid(int cpu_id, int phys_id)
-{
- physid_2_cpu[phys_id] = -1;
- cpu_2_physid[cpu_id] = -1;
-}
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
deleted file mode 100644
index 22a50fc49ab7..000000000000
--- a/arch/m32r/kernel/sys_m32r.c
+++ /dev/null
@@ -1,91 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/sys_m32r.c
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on the Linux/M32R platform.
- *
- * Taken from i386 version.
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/smp.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/stat.h>
-#include <linux/syscalls.h>
-#include <linux/mman.h>
-#include <linux/file.h>
-#include <linux/utsname.h>
-#include <linux/ipc.h>
-
-#include <linux/uaccess.h>
-#include <asm/cachectl.h>
-#include <asm/cacheflush.h>
-#include <asm/syscall.h>
-#include <asm/unistd.h>
-
-/*
- * sys_tas() - test-and-set
- */
-asmlinkage int sys_tas(int __user *addr)
-{
- int oldval;
-
- if (!access_ok(VERIFY_WRITE, addr, sizeof (int)))
- return -EFAULT;
-
- /* atomic operation:
- * oldval = *addr; *addr = 1;
- */
- __asm__ __volatile__ (
- DCACHE_CLEAR("%0", "r4", "%1")
- " .fillinsn\n"
- "1:\n"
- " lock %0, @%1 -> unlock %2, @%1\n"
- "2:\n"
- /* NOTE:
- * The m32r processor can accept interrupts only
- * at the 32-bit instruction boundary.
- * So, in the above code, the "unlock" instruction
- * can be executed continuously after the "lock"
- * instruction execution without any interruptions.
- */
- ".section .fixup,\"ax\"\n"
- " .balign 4\n"
- "3: ldi %0, #%3\n"
- " seth r14, #high(2b)\n"
- " or3 r14, r14, #low(2b)\n"
- " jmp r14\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .balign 4\n"
- " .long 1b,3b\n"
- ".previous\n"
- : "=&r" (oldval)
- : "r" (addr), "r" (1), "i"(-EFAULT)
- : "r14", "memory"
-#ifdef CONFIG_CHIP_M32700_TS1
- , "r4"
-#endif /* CONFIG_CHIP_M32700_TS1 */
- );
-
- return oldval;
-}
-
-asmlinkage int sys_cacheflush(void *addr, int bytes, int cache)
-{
- /* This should flush more selectively ... */
- _flush_cache_all();
- return 0;
-}
-
-asmlinkage int sys_cachectl(char *addr, int nbytes, int op)
-{
- /* Not implemented yet. */
- return -ENOSYS;
-}
diff --git a/arch/m32r/kernel/syscall_table.S b/arch/m32r/kernel/syscall_table.S
deleted file mode 100644
index cf0bcf014b98..000000000000
--- a/arch/m32r/kernel/syscall_table.S
+++ /dev/null
@@ -1,328 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-ENTRY(sys_call_table)
- .long sys_restart_syscall /* 0 - old "setup()" system call*/
- .long sys_exit
- .long sys_fork
- .long sys_read
- .long sys_write
- .long sys_open /* 5 */
- .long sys_close
- .long sys_waitpid
- .long sys_creat
- .long sys_link
- .long sys_unlink /* 10 */
- .long sys_execve
- .long sys_chdir
- .long sys_time
- .long sys_mknod
- .long sys_chmod /* 15 */
- .long sys_ni_syscall /* lchown16 syscall holder */
- .long sys_ni_syscall /* old break syscall holder */
- .long sys_ni_syscall /* old stat syscall holder */
- .long sys_lseek
- .long sys_getpid /* 20 */
- .long sys_mount
- .long sys_oldumount
- .long sys_ni_syscall /* setuid16 syscall holder */
- .long sys_ni_syscall /* getuid16 syscall holder */
- .long sys_stime /* 25 */
- .long sys_ptrace
- .long sys_alarm
- .long sys_ni_syscall /* old fstat syscall holder */
- .long sys_pause
- .long sys_utime /* 30 */
- .long sys_ni_syscall /* old stty syscall holder */
- .long sys_cachectl /* for M32R */ /* old gtty syscall holder */
- .long sys_access
- .long sys_ni_syscall /* nice syscall holder */
- .long sys_ni_syscall /* 35 - old ftime syscall holder */
- .long sys_sync
- .long sys_kill
- .long sys_rename
- .long sys_mkdir
- .long sys_rmdir /* 40 */
- .long sys_dup
- .long sys_pipe
- .long sys_times
- .long sys_ni_syscall /* old prof syscall holder */
- .long sys_brk /* 45 */
- .long sys_ni_syscall /* setgid16 syscall holder */
- .long sys_getgid /* will be unused */
- .long sys_ni_syscall /* signal syscall holder */
- .long sys_ni_syscall /* geteuid16 syscall holder */
- .long sys_ni_syscall /* 50 - getegid16 syscall holder */
- .long sys_acct
- .long sys_umount /* recycled never used phys() */
- .long sys_ni_syscall /* old lock syscall holder */
- .long sys_ioctl
- .long sys_fcntl /* 55 - will be unused */
- .long sys_ni_syscall /* mpx syscall holder */
- .long sys_setpgid
- .long sys_ni_syscall /* old ulimit syscall holder */
- .long sys_ni_syscall /* sys_olduname */
- .long sys_umask /* 60 */
- .long sys_chroot
- .long sys_ustat
- .long sys_dup2
- .long sys_getppid
- .long sys_getpgrp /* 65 */
- .long sys_setsid
- .long sys_ni_syscall /* sigaction syscall holder */
- .long sys_ni_syscall /* sgetmask syscall holder */
- .long sys_ni_syscall /* ssetmask syscall holder */
- .long sys_ni_syscall /* 70 - setreuid16 syscall holder */
- .long sys_ni_syscall /* setregid16 syscall holder */
- .long sys_ni_syscall /* sigsuspend syscall holder */
- .long sys_ni_syscall /* sigpending syscall holder */
- .long sys_sethostname
- .long sys_setrlimit /* 75 */
- .long sys_getrlimit/*will be unused*/
- .long sys_getrusage
- .long sys_gettimeofday
- .long sys_settimeofday
- .long sys_ni_syscall /* 80 - getgroups16 syscall holder */
- .long sys_ni_syscall /* setgroups16 syscall holder */
- .long sys_ni_syscall /* sys_oldselect */
- .long sys_symlink
- .long sys_ni_syscall /* old lstat syscall holder */
- .long sys_readlink /* 85 */
- .long sys_uselib
- .long sys_swapon
- .long sys_reboot
- .long sys_ni_syscall /* readdir syscall holder */
- .long sys_ni_syscall /* 90 - old_mmap syscall holder */
- .long sys_munmap
- .long sys_truncate
- .long sys_ftruncate
- .long sys_fchmod
- .long sys_ni_syscall /* 95 - fchwon16 syscall holder */
- .long sys_getpriority
- .long sys_setpriority
- .long sys_ni_syscall /* old profil syscall holder */
- .long sys_statfs
- .long sys_fstatfs /* 100 */
- .long sys_ni_syscall /* ioperm syscall holder */
- .long sys_socketcall
- .long sys_syslog
- .long sys_setitimer
- .long sys_getitimer /* 105 */
- .long sys_newstat
- .long sys_newlstat
- .long sys_newfstat
- .long sys_ni_syscall /* old uname syscall holder */
- .long sys_ni_syscall /* 110 - iopl syscall holder */
- .long sys_vhangup
- .long sys_ni_syscall /* idle syscall holder */
- .long sys_ni_syscall /* vm86old syscall holder */
- .long sys_wait4
- .long sys_swapoff /* 115 */
- .long sys_sysinfo
- .long sys_ipc
- .long sys_fsync
- .long sys_ni_syscall /* sigreturn syscall holder */
- .long sys_clone /* 120 */
- .long sys_setdomainname
- .long sys_newuname
- .long sys_ni_syscall /* modify_ldt syscall holder */
- .long sys_adjtimex
- .long sys_mprotect /* 125 */
- .long sys_ni_syscall /* sigprocmask syscall holder */
- .long sys_ni_syscall /* create_module syscall holder */
- .long sys_init_module
- .long sys_delete_module
- .long sys_ni_syscall /* 130 - get_kernel_syms */
- .long sys_quotactl
- .long sys_getpgid
- .long sys_fchdir
- .long sys_bdflush
- .long sys_sysfs /* 135 */
- .long sys_personality
- .long sys_ni_syscall /* afs_syscall syscall holder */
- .long sys_ni_syscall /* setfsuid16 syscall holder */
- .long sys_ni_syscall /* setfsgid16 syscall holder */
- .long sys_llseek /* 140 */
- .long sys_getdents
- .long sys_select
- .long sys_flock
- .long sys_msync
- .long sys_readv /* 145 */
- .long sys_writev
- .long sys_getsid
- .long sys_fdatasync
- .long sys_sysctl
- .long sys_mlock /* 150 */
- .long sys_munlock
- .long sys_mlockall
- .long sys_munlockall
- .long sys_sched_setparam
- .long sys_sched_getparam /* 155 */
- .long sys_sched_setscheduler
- .long sys_sched_getscheduler
- .long sys_sched_yield
- .long sys_sched_get_priority_max
- .long sys_sched_get_priority_min /* 160 */
- .long sys_sched_rr_get_interval
- .long sys_nanosleep
- .long sys_mremap
- .long sys_ni_syscall /* setresuid16 syscall holder */
- .long sys_ni_syscall /* 165 - getresuid16 syscall holder */
- .long sys_tas /* vm86 syscall holder */
- .long sys_ni_syscall /* query_module syscall holder */
- .long sys_poll
- .long sys_ni_syscall /* was nfsservctl */
- .long sys_setresgid /* 170 */
- .long sys_getresgid
- .long sys_prctl
- .long sys_rt_sigreturn
- .long sys_rt_sigaction
- .long sys_rt_sigprocmask /* 175 */
- .long sys_rt_sigpending
- .long sys_rt_sigtimedwait
- .long sys_rt_sigqueueinfo
- .long sys_rt_sigsuspend
- .long sys_pread64 /* 180 */
- .long sys_pwrite64
- .long sys_ni_syscall /* chown16 syscall holder */
- .long sys_getcwd
- .long sys_capget
- .long sys_capset /* 185 */
- .long sys_sigaltstack
- .long sys_sendfile
- .long sys_ni_syscall /* streams1 */
- .long sys_ni_syscall /* streams2 */
- .long sys_vfork /* 190 */
- .long sys_getrlimit
- .long sys_mmap_pgoff
- .long sys_truncate64
- .long sys_ftruncate64
- .long sys_stat64 /* 195 */
- .long sys_lstat64
- .long sys_fstat64
- .long sys_lchown
- .long sys_getuid
- .long sys_getgid /* 200 */
- .long sys_geteuid
- .long sys_getegid
- .long sys_setreuid
- .long sys_setregid
- .long sys_getgroups /* 205 */
- .long sys_setgroups
- .long sys_fchown
- .long sys_setresuid
- .long sys_getresuid
- .long sys_setresgid /* 210 */
- .long sys_getresgid
- .long sys_chown
- .long sys_setuid
- .long sys_setgid
- .long sys_setfsuid /* 215 */
- .long sys_setfsgid
- .long sys_pivot_root
- .long sys_mincore
- .long sys_madvise
- .long sys_getdents64 /* 220 */
- .long sys_fcntl64
- .long sys_ni_syscall /* reserved for TUX */
- .long sys_ni_syscall /* Reserved for Security */
- .long sys_gettid
- .long sys_readahead /* 225 */
- .long sys_setxattr
- .long sys_lsetxattr
- .long sys_fsetxattr
- .long sys_getxattr
- .long sys_lgetxattr /* 230 */
- .long sys_fgetxattr
- .long sys_listxattr
- .long sys_llistxattr
- .long sys_flistxattr
- .long sys_removexattr /* 235 */
- .long sys_lremovexattr
- .long sys_fremovexattr
- .long sys_tkill
- .long sys_sendfile64
- .long sys_futex /* 240 */
- .long sys_sched_setaffinity
- .long sys_sched_getaffinity
- .long sys_ni_syscall /* reserved for "set_thread_area" system call */
- .long sys_ni_syscall /* reserved for "get_thread_area" system call */
- .long sys_io_setup /* 245 */
- .long sys_io_destroy
- .long sys_io_getevents
- .long sys_io_submit
- .long sys_io_cancel
- .long sys_fadvise64 /* 250 */
- .long sys_ni_syscall
- .long sys_exit_group
- .long sys_lookup_dcookie
- .long sys_epoll_create
- .long sys_epoll_ctl /* 255 */
- .long sys_epoll_wait
- .long sys_remap_file_pages
- .long sys_set_tid_address
- .long sys_timer_create
- .long sys_timer_settime /* 260 */
- .long sys_timer_gettime
- .long sys_timer_getoverrun
- .long sys_timer_delete
- .long sys_clock_settime
- .long sys_clock_gettime /* 265 */
- .long sys_clock_getres
- .long sys_clock_nanosleep
- .long sys_statfs64
- .long sys_fstatfs64
- .long sys_tgkill /* 270 */
- .long sys_utimes
- .long sys_fadvise64_64
- .long sys_ni_syscall /* Reserved for sys_vserver */
- .long sys_ni_syscall /* Reserved for sys_mbind */
- .long sys_ni_syscall /* Reserved for sys_get_mempolicy */
- .long sys_ni_syscall /* Reserved for sys_set_mempolicy */
- .long sys_mq_open
- .long sys_mq_unlink
- .long sys_mq_timedsend
- .long sys_mq_timedreceive /* 280 */
- .long sys_mq_notify
- .long sys_mq_getsetattr
- .long sys_ni_syscall /* reserved for kexec */
- .long sys_waitid
- .long sys_ni_syscall /* 285 */ /* available */
- .long sys_add_key
- .long sys_request_key
- .long sys_keyctl
- .long sys_ioprio_set
- .long sys_ioprio_get /* 290 */
- .long sys_inotify_init
- .long sys_inotify_add_watch
- .long sys_inotify_rm_watch
- .long sys_migrate_pages
- .long sys_openat /* 295 */
- .long sys_mkdirat
- .long sys_mknodat
- .long sys_fchownat
- .long sys_futimesat
- .long sys_fstatat64 /* 300 */
- .long sys_unlinkat
- .long sys_renameat
- .long sys_linkat
- .long sys_symlinkat
- .long sys_readlinkat /* 305 */
- .long sys_fchmodat
- .long sys_faccessat
- .long sys_pselect6
- .long sys_ppoll
- .long sys_unshare /* 310 */
- .long sys_set_robust_list
- .long sys_get_robust_list
- .long sys_splice
- .long sys_sync_file_range
- .long sys_tee /* 315 */
- .long sys_vmsplice
- .long sys_move_pages
- .long sys_getcpu
- .long sys_epoll_pwait
- .long sys_utimensat /* 320 */
- .long sys_signalfd
- .long sys_ni_syscall
- .long sys_eventfd
- .long sys_fallocate
- .long sys_setns /* 325 */
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
deleted file mode 100644
index 521749fbbb56..000000000000
--- a/arch/m32r/kernel/time.c
+++ /dev/null
@@ -1,199 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/time.c
- *
- * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata,
- * Hitoshi Yamamoto
- * Taken from i386 version.
- * Copyright (C) 1991, 1992, 1995 Linus Torvalds
- * Copyright (C) 1996, 1997, 1998 Ralf Baechle
- *
- * This file contains the time handling details for PC-style clocks as
- * found in some MIPS systems.
- *
- * Some code taken from sh version.
- * Copyright (C) 1999 Tetsuya Okada & Niibe Yutaka
- * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
- */
-
-#undef DEBUG_TIMER
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/profile.h>
-
-#include <asm/io.h>
-#include <asm/m32r.h>
-
-#include <asm/hw_irq.h>
-
-#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
-/* this needs a better home */
-DEFINE_SPINLOCK(rtc_lock);
-
-#ifdef CONFIG_RTC_DRV_CMOS_MODULE
-EXPORT_SYMBOL(rtc_lock);
-#endif
-#endif /* pc-style 'CMOS' RTC support */
-
-#ifdef CONFIG_SMP
-extern void smp_local_timer_interrupt(void);
-#endif
-
-#define TICK_SIZE (tick_nsec / 1000)
-
-/*
- * Change this if you have some constant time drift
- */
-
-/* This is for machines which generate the exact clock. */
-#define USECS_PER_JIFFY (1000000/HZ)
-
-static unsigned long latch;
-
-static u32 m32r_gettimeoffset(void)
-{
- unsigned long elapsed_time = 0; /* [us] */
-
-#if defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_XNUX2) \
- || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_M32700) \
- || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104)
-#ifndef CONFIG_SMP
-
- unsigned long count;
-
- /* timer count may underflow right here */
- count = inl(M32R_MFT2CUT_PORTL);
-
- if (inl(M32R_ICU_CR18_PORTL) & 0x00000100) /* underflow check */
- count = 0;
-
- count = (latch - count) * TICK_SIZE;
- elapsed_time = DIV_ROUND_CLOSEST(count, latch);
- /* NOTE: LATCH is equal to the "interval" value (= reload count). */
-
-#else /* CONFIG_SMP */
- unsigned long count;
- static unsigned long p_jiffies = -1;
- static unsigned long p_count = 0;
-
- /* timer count may underflow right here */
- count = inl(M32R_MFT2CUT_PORTL);
-
- if (jiffies == p_jiffies && count > p_count)
- count = 0;
-
- p_jiffies = jiffies;
- p_count = count;
-
- count = (latch - count) * TICK_SIZE;
- elapsed_time = DIV_ROUND_CLOSEST(count, latch);
- /* NOTE: LATCH is equal to the "interval" value (= reload count). */
-#endif /* CONFIG_SMP */
-#elif defined(CONFIG_CHIP_M32310)
-#warning do_gettimeoffse not implemented
-#else
-#error no chip configuration
-#endif
-
- return elapsed_time * 1000;
-}
-
-/*
- * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "xtime_update()" routine every clocktick
- */
-static irqreturn_t timer_interrupt(int irq, void *dev_id)
-{
-#ifndef CONFIG_SMP
- profile_tick(CPU_PROFILING);
-#endif
- xtime_update(1);
-
-#ifndef CONFIG_SMP
- update_process_times(user_mode(get_irq_regs()));
-#endif
- /* As we return to user mode fire off the other CPU schedulers..
- this is basically because we don't yet share IRQ's around.
- This message is rigged to be safe on the 386 - basically it's
- a hack, so don't look closely for now.. */
-
-#ifdef CONFIG_SMP
- smp_local_timer_interrupt();
- smp_send_timer();
-#endif
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction irq0 = {
- .handler = timer_interrupt,
- .name = "MFT2",
-};
-
-void read_persistent_clock(struct timespec *ts)
-{
- unsigned int epoch, year, mon, day, hour, min, sec;
-
- sec = min = hour = day = mon = year = 0;
- epoch = 0;
-
- year = 23;
- mon = 4;
- day = 17;
-
- /* Attempt to guess the epoch. This is the same heuristic as in rtc.c
- so no stupid things will happen to timekeeping. Who knows, maybe
- Ultrix also uses 1952 as epoch ... */
- if (year > 10 && year < 44)
- epoch = 1980;
- else if (year < 96)
- epoch = 1952;
- year += epoch;
-
- ts->tv_sec = mktime(year, mon, day, hour, min, sec);
- ts->tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
-}
-
-
-void __init time_init(void)
-{
- arch_gettimeoffset = m32r_gettimeoffset;
-
-#if defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_XNUX2) \
- || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_M32700) \
- || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104)
-
- /* M32102 MFT setup */
- setup_irq(M32R_IRQ_MFT2, &irq0);
- {
- unsigned long bus_clock;
- unsigned short divide;
-
- bus_clock = boot_cpu_data.bus_clock;
- divide = boot_cpu_data.timer_divide;
- latch = DIV_ROUND_CLOSEST(bus_clock/divide, HZ);
-
- printk("Timer start : latch = %ld\n", latch);
-
- outl((M32R_MFTMOD_CC_MASK | M32R_MFTMOD_TCCR \
- |M32R_MFTMOD_CSSEL011), M32R_MFT2MOD_PORTL);
- outl(latch, M32R_MFT2RLD_PORTL);
- outl(latch, M32R_MFT2CUT_PORTL);
- outl(0, M32R_MFT2CMPRLD_PORTL);
- outl((M32R_MFTCR_MFT2MSK|M32R_MFTCR_MFT2EN), M32R_MFTCR_PORTL);
- }
-
-#elif defined(CONFIG_CHIP_M32310)
-#warning time_init not implemented
-#else
-#error no chip configuration
-#endif
-}
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
deleted file mode 100644
index a6f300a208bd..000000000000
--- a/arch/m32r/kernel/traps.c
+++ /dev/null
@@ -1,324 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/kernel/traps.c
- *
- * Copyright (C) 2001, 2002 Hirokazu Takata, Hiroyuki Kondo,
- * Hitoshi Yamamoto
- */
-
-/*
- * 'traps.c' handles hardware traps and faults after we have saved some
- * state in 'entry.S'.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/kallsyms.h>
-#include <linux/stddef.h>
-#include <linux/ptrace.h>
-#include <linux/sched/debug.h>
-#include <linux/sched/task_stack.h>
-#include <linux/mm.h>
-#include <linux/cpu.h>
-
-#include <asm/page.h>
-#include <asm/processor.h>
-
-#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <linux/atomic.h>
-
-#include <asm/smp.h>
-
-#include <linux/module.h>
-
-asmlinkage void alignment_check(void);
-asmlinkage void ei_handler(void);
-asmlinkage void rie_handler(void);
-asmlinkage void debug_trap(void);
-asmlinkage void cache_flushing_handler(void);
-asmlinkage void ill_trap(void);
-
-#ifdef CONFIG_SMP
-extern void smp_reschedule_interrupt(void);
-extern void smp_invalidate_interrupt(void);
-extern void smp_call_function_interrupt(void);
-extern void smp_ipi_timer_interrupt(void);
-extern void smp_flush_cache_all_interrupt(void);
-extern void smp_call_function_single_interrupt(void);
-
-/*
- * for Boot AP function
- */
-asm (
- " .section .eit_vector4,\"ax\" \n"
- " .global _AP_RE \n"
- " .global startup_AP \n"
- "_AP_RE: \n"
- " .fill 32, 4, 0 \n"
- "_AP_EI: bra startup_AP \n"
- " .previous \n"
-);
-#endif /* CONFIG_SMP */
-
-extern unsigned long eit_vector[];
-#define BRA_INSN(func, entry) \
- ((unsigned long)func - (unsigned long)eit_vector - entry*4)/4 \
- + 0xff000000UL
-
-static void set_eit_vector_entries(void)
-{
- extern void default_eit_handler(void);
- extern void system_call(void);
- extern void pie_handler(void);
- extern void ace_handler(void);
- extern void tme_handler(void);
- extern void _flush_cache_copyback_all(void);
-
- eit_vector[0] = 0xd0c00001; /* seth r0, 0x01 */
- eit_vector[1] = BRA_INSN(default_eit_handler, 1);
- eit_vector[4] = 0xd0c00010; /* seth r0, 0x10 */
- eit_vector[5] = BRA_INSN(default_eit_handler, 5);
- eit_vector[8] = BRA_INSN(rie_handler, 8);
- eit_vector[12] = BRA_INSN(alignment_check, 12);
- eit_vector[16] = BRA_INSN(ill_trap, 16);
- eit_vector[17] = BRA_INSN(debug_trap, 17);
- eit_vector[18] = BRA_INSN(system_call, 18);
- eit_vector[19] = BRA_INSN(ill_trap, 19);
- eit_vector[20] = BRA_INSN(ill_trap, 20);
- eit_vector[21] = BRA_INSN(ill_trap, 21);
- eit_vector[22] = BRA_INSN(ill_trap, 22);
- eit_vector[23] = BRA_INSN(ill_trap, 23);
- eit_vector[24] = BRA_INSN(ill_trap, 24);
- eit_vector[25] = BRA_INSN(ill_trap, 25);
- eit_vector[26] = BRA_INSN(ill_trap, 26);
- eit_vector[27] = BRA_INSN(ill_trap, 27);
- eit_vector[28] = BRA_INSN(cache_flushing_handler, 28);
- eit_vector[29] = BRA_INSN(ill_trap, 29);
- eit_vector[30] = BRA_INSN(ill_trap, 30);
- eit_vector[31] = BRA_INSN(ill_trap, 31);
- eit_vector[32] = BRA_INSN(ei_handler, 32);
- eit_vector[64] = BRA_INSN(pie_handler, 64);
-#ifdef CONFIG_MMU
- eit_vector[68] = BRA_INSN(ace_handler, 68);
- eit_vector[72] = BRA_INSN(tme_handler, 72);
-#endif /* CONFIG_MMU */
-#ifdef CONFIG_SMP
- eit_vector[184] = (unsigned long)smp_reschedule_interrupt;
- eit_vector[185] = (unsigned long)smp_invalidate_interrupt;
- eit_vector[186] = (unsigned long)smp_call_function_interrupt;
- eit_vector[187] = (unsigned long)smp_ipi_timer_interrupt;
- eit_vector[188] = (unsigned long)smp_flush_cache_all_interrupt;
- eit_vector[189] = 0; /* CPU_BOOT_IPI */
- eit_vector[190] = (unsigned long)smp_call_function_single_interrupt;
- eit_vector[191] = 0;
-#endif
- _flush_cache_copyback_all();
-}
-
-void __init trap_init(void)
-{
- set_eit_vector_entries();
-
- /*
- * Should be a barrier for any external CPU state.
- */
- cpu_init();
-}
-
-static int kstack_depth_to_print = 24;
-
-static void show_trace(struct task_struct *task, unsigned long *stack)
-{
- unsigned long addr;
-
- if (!stack)
- stack = (unsigned long*)&stack;
-
- printk("Call Trace: ");
- while (!kstack_end(stack)) {
- addr = *stack++;
- if (__kernel_text_address(addr))
- printk("[<%08lx>] %pSR\n", addr, (void *)addr);
- }
- printk("\n");
-}
-
-void show_stack(struct task_struct *task, unsigned long *sp)
-{
- unsigned long *stack;
- int i;
-
- /*
- * debugging aid: "show_stack(NULL);" prints the
- * back trace for this cpu.
- */
-
- if(sp==NULL) {
- if (task)
- sp = (unsigned long *)task->thread.sp;
- else
- sp=(unsigned long*)&sp;
- }
-
- stack = sp;
- for(i=0; i < kstack_depth_to_print; i++) {
- if (kstack_end(stack))
- break;
- if (i && ((i % 4) == 0))
- printk("\n ");
- printk("%08lx ", *stack++);
- }
- printk("\n");
- show_trace(task, sp);
-}
-
-static void show_registers(struct pt_regs *regs)
-{
- int i = 0;
- int in_kernel = 1;
- unsigned long sp;
-
- printk("CPU: %d\n", smp_processor_id());
- show_regs(regs);
-
- sp = (unsigned long) (1+regs);
- if (user_mode(regs)) {
- in_kernel = 0;
- sp = regs->spu;
- printk("SPU: %08lx\n", sp);
- } else {
- printk("SPI: %08lx\n", sp);
- }
- printk("Process %s (pid: %d, process nr: %d, stackpage=%08lx)",
- current->comm, task_pid_nr(current), 0xffff & i, 4096+(unsigned long)current);
-
- /*
- * When in-kernel, we also print out the stack and code at the
- * time of the fault..
- */
- if (in_kernel) {
- printk("\nStack: ");
- show_stack(current, (unsigned long*) sp);
-
- printk("\nCode: ");
- if (regs->bpc < PAGE_OFFSET)
- goto bad;
-
- for(i=0;i<20;i++) {
- unsigned char c;
- if (__get_user(c, &((unsigned char*)regs->bpc)[i])) {
-bad:
- printk(" Bad PC value.");
- break;
- }
- printk("%02x ", c);
- }
- }
- printk("\n");
-}
-
-static DEFINE_SPINLOCK(die_lock);
-
-void die(const char * str, struct pt_regs * regs, long err)
-{
- console_verbose();
- spin_lock_irq(&die_lock);
- bust_spinlocks(1);
- printk("%s: %04lx\n", str, err & 0xffff);
- show_registers(regs);
- bust_spinlocks(0);
- spin_unlock_irq(&die_lock);
- do_exit(SIGSEGV);
-}
-
-static __inline__ void die_if_kernel(const char * str,
- struct pt_regs * regs, long err)
-{
- if (!user_mode(regs))
- die(str, regs, err);
-}
-
-static __inline__ void do_trap(int trapnr, int signr, const char * str,
- struct pt_regs * regs, long error_code, siginfo_t *info)
-{
- if (user_mode(regs)) {
- /* trap_signal */
- struct task_struct *tsk = current;
- tsk->thread.error_code = error_code;
- tsk->thread.trap_no = trapnr;
- if (info)
- force_sig_info(signr, info, tsk);
- else
- force_sig(signr, tsk);
- return;
- } else {
- /* kernel_trap */
- if (!fixup_exception(regs))
- die(str, regs, error_code);
- return;
- }
-}
-
-#define DO_ERROR(trapnr, signr, str, name) \
-asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
-{ \
- do_trap(trapnr, signr, NULL, regs, error_code, NULL); \
-}
-
-#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \
-asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
-{ \
- siginfo_t info; \
- info.si_signo = signr; \
- info.si_errno = 0; \
- info.si_code = sicode; \
- info.si_addr = (void __user *)siaddr; \
- do_trap(trapnr, signr, str, regs, error_code, &info); \
-}
-
-DO_ERROR( 1, SIGTRAP, "debug trap", debug_trap)
-DO_ERROR_INFO(0x20, SIGILL, "reserved instruction ", rie_handler, ILL_ILLOPC, regs->bpc)
-DO_ERROR_INFO(0x100, SIGILL, "privileged instruction", pie_handler, ILL_PRVOPC, regs->bpc)
-DO_ERROR_INFO(-1, SIGILL, "illegal trap", ill_trap, ILL_ILLTRP, regs->bpc)
-
-extern int handle_unaligned_access(unsigned long, struct pt_regs *);
-
-/* This code taken from arch/sh/kernel/traps.c */
-asmlinkage void do_alignment_check(struct pt_regs *regs, long error_code)
-{
- mm_segment_t oldfs;
- unsigned long insn;
- int tmp;
-
- oldfs = get_fs();
-
- if (user_mode(regs)) {
- local_irq_enable();
- current->thread.error_code = error_code;
- current->thread.trap_no = 0x17;
-
- set_fs(USER_DS);
- if (copy_from_user(&insn, (void *)regs->bpc, 4)) {
- set_fs(oldfs);
- goto uspace_segv;
- }
- tmp = handle_unaligned_access(insn, regs);
- set_fs(oldfs);
-
- if (!tmp)
- return;
-
- uspace_segv:
- printk(KERN_NOTICE "Killing process \"%s\" due to unaligned "
- "access\n", current->comm);
- force_sig(SIGSEGV, current);
- } else {
- set_fs(KERNEL_DS);
- if (copy_from_user(&insn, (void *)regs->bpc, 4)) {
- set_fs(oldfs);
- die("insn faulting in do_address_error", regs, 0);
- }
- handle_unaligned_access(insn, regs);
- set_fs(oldfs);
- }
-}
diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S
deleted file mode 100644
index 7e4d957f7f7f..000000000000
--- a/arch/m32r/kernel/vmlinux.lds.S
+++ /dev/null
@@ -1,79 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* ld script to make M32R Linux kernel
- */
-
-#include <asm-generic/vmlinux.lds.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-#include <asm/thread_info.h>
-
-OUTPUT_ARCH(m32r)
-#if defined(__LITTLE_ENDIAN__)
- jiffies = jiffies_64;
-#else
- jiffies = jiffies_64 + 4;
-#endif
-
-kernel_entry = boot - 0x80000000;
-ENTRY(kernel_entry)
-
-SECTIONS
-{
- . = CONFIG_MEMORY_START + __PAGE_OFFSET;
- eit_vector = .;
-
- . = . + 0x1000;
- .empty_zero_page : { *(.empty_zero_page) } = 0
-
- /* read-only */
- _text = .; /* Text and read-only data */
- .boot : { *(.boot) } = 0
- .text : {
- HEAD_TEXT
- TEXT_TEXT
- SCHED_TEXT
- CPUIDLE_TEXT
- LOCK_TEXT
- *(.fixup)
- *(.gnu.warning)
- } = 0x9090
-#ifdef CONFIG_SMP
- . = ALIGN(65536);
- .eit_vector4 : { *(.eit_vector4) }
-#endif
- _etext = .; /* End of text section */
-
- EXCEPTION_TABLE(16)
- NOTES
-
- _sdata = .; /* Start of data section */
- RODATA
- RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
- _edata = .; /* End of data section */
-
- /* will be freed after init */
- . = ALIGN(PAGE_SIZE); /* Init code and data */
- __init_begin = .;
- INIT_TEXT_SECTION(PAGE_SIZE)
- INIT_DATA_SECTION(16)
- PERCPU_SECTION(32)
- . = ALIGN(PAGE_SIZE);
- __init_end = .;
- /* freed after init ends here */
-
- BSS_SECTION(0, 0, 4)
-
- _end = . ;
-
- /* Stabs debugging sections. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- .stab.excl 0 : { *(.stab.excl) }
- .stab.exclstr 0 : { *(.stab.exclstr) }
- .stab.index 0 : { *(.stab.index) }
- .stab.indexstr 0 : { *(.stab.indexstr) }
- .comment 0 : { *(.comment) }
-
- /* Sections to be discarded */
- DISCARDS
-}
generated by cgit (git 2.34.1) at 2024-06-01 17:32:16 +0000