diff options
Diffstat (limited to 'arch/powerpc/xmon')
-rw-r--r-- | arch/powerpc/xmon/Makefile | 22 | ||||
-rw-r--r-- | arch/powerpc/xmon/dis-asm.h | 4 | ||||
-rw-r--r-- | arch/powerpc/xmon/nonstdio.c | 2 | ||||
-rw-r--r-- | arch/powerpc/xmon/ppc-dis.c | 33 | ||||
-rw-r--r-- | arch/powerpc/xmon/ppc-opc.c | 2 | ||||
-rw-r--r-- | arch/powerpc/xmon/ppc.h | 2 | ||||
-rw-r--r-- | arch/powerpc/xmon/spr_access.S | 4 | ||||
-rw-r--r-- | arch/powerpc/xmon/spu-dis.c | 237 | ||||
-rw-r--r-- | arch/powerpc/xmon/spu-insns.h | 399 | ||||
-rw-r--r-- | arch/powerpc/xmon/spu-opc.c | 34 | ||||
-rw-r--r-- | arch/powerpc/xmon/spu.h | 115 | ||||
-rw-r--r-- | arch/powerpc/xmon/xmon.c | 1038 | ||||
-rw-r--r-- | arch/powerpc/xmon/xmon_bpts.S | 11 | ||||
-rw-r--r-- | arch/powerpc/xmon/xmon_bpts.h | 14 |
14 files changed, 513 insertions, 1404 deletions
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index c3842dbeb1b7..d74b147126b7 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -1,29 +1,19 @@ # SPDX-License-Identifier: GPL-2.0 # Makefile for xmon -# Avoid clang warnings around longjmp/setjmp declarations -subdir-ccflags-y := -ffreestanding - GCOV_PROFILE := n KCOV_INSTRUMENT := n UBSAN_SANITIZE := n KASAN_SANITIZE := n +KCSAN_SANITIZE := n # Disable ftrace for the entire directory -ORIG_CFLAGS := $(KBUILD_CFLAGS) -KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS)) +ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE) -ifdef CONFIG_CC_IS_CLANG -# clang stores addresses on the stack causing the frame size to blow +# Clang stores addresses on the stack causing the frame size to blow # out. See https://github.com/ClangBuiltLinux/linux/issues/252 -KBUILD_CFLAGS += -Wframe-larger-than=4096 -endif - -ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) +ccflags-$(CONFIG_CC_IS_CLANG) += -Wframe-larger-than=4096 -obj-y += xmon.o nonstdio.o spr_access.o +obj-y += xmon.o nonstdio.o spr_access.o xmon_bpts.o -ifdef CONFIG_XMON_DISASSEMBLY -obj-y += ppc-dis.o ppc-opc.o -obj-$(CONFIG_SPU_BASE) += spu-dis.o spu-opc.o -endif +obj-$(CONFIG_XMON_DISASSEMBLY) += ppc-dis.o ppc-opc.o diff --git a/arch/powerpc/xmon/dis-asm.h b/arch/powerpc/xmon/dis-asm.h index c4d246ebca37..c4c982d6402e 100644 --- a/arch/powerpc/xmon/dis-asm.h +++ b/arch/powerpc/xmon/dis-asm.h @@ -13,13 +13,13 @@ extern int print_insn_spu(unsigned long insn, unsigned long memaddr); #else static inline int print_insn_powerpc(unsigned long insn, unsigned long memaddr) { - printf("%.8x", insn); + printf("%.8lx", insn); return 0; } static inline int print_insn_spu(unsigned long insn, unsigned long memaddr) { - printf("%.8x", insn); + printf("%.8lx", insn); return 0; } #endif diff --git a/arch/powerpc/xmon/nonstdio.c b/arch/powerpc/xmon/nonstdio.c index 5c1a50912229..9b0d85bff021 100644 --- a/arch/powerpc/xmon/nonstdio.c +++ b/arch/powerpc/xmon/nonstdio.c @@ -178,7 +178,7 @@ void xmon_printf(const char *format, ...) if (n && rc == 0) { /* No udbg hooks, fallback to printk() - dangerous */ - printk("%s", xmon_outbuf); + pr_cont("%s", xmon_outbuf); } } diff --git a/arch/powerpc/xmon/ppc-dis.c b/arch/powerpc/xmon/ppc-dis.c index 75fa98221d48..af105e1bc3fc 100644 --- a/arch/powerpc/xmon/ppc-dis.c +++ b/arch/powerpc/xmon/ppc-dis.c @@ -122,32 +122,21 @@ int print_insn_powerpc (unsigned long insn, unsigned long memaddr) bool insn_is_short; ppc_cpu_t dialect; - dialect = PPC_OPCODE_PPC | PPC_OPCODE_COMMON - | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_ALTIVEC; + dialect = PPC_OPCODE_PPC | PPC_OPCODE_COMMON; - if (cpu_has_feature(CPU_FTRS_POWER5)) - dialect |= PPC_OPCODE_POWER5; + if (IS_ENABLED(CONFIG_PPC64)) + dialect |= PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_CELL | + PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | + PPC_OPCODE_POWER9; - if (cpu_has_feature(CPU_FTRS_CELL)) - dialect |= (PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC); + if (cpu_has_feature(CPU_FTR_TM)) + dialect |= PPC_OPCODE_HTM; - if (cpu_has_feature(CPU_FTRS_POWER6)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC); + if (cpu_has_feature(CPU_FTR_ALTIVEC)) + dialect |= PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2; - if (cpu_has_feature(CPU_FTRS_POWER7)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX); - - if (cpu_has_feature(CPU_FTRS_POWER8)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX); - - if (cpu_has_feature(CPU_FTRS_POWER9)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 - | PPC_OPCODE_VSX | PPC_OPCODE_VSX3); + if (cpu_has_feature(CPU_FTR_VSX)) + dialect |= PPC_OPCODE_VSX | PPC_OPCODE_VSX3; /* Get the major opcode of the insn. */ opcode = NULL; diff --git a/arch/powerpc/xmon/ppc-opc.c b/arch/powerpc/xmon/ppc-opc.c index dfb80810b16c..0774d711453e 100644 --- a/arch/powerpc/xmon/ppc-opc.c +++ b/arch/powerpc/xmon/ppc-opc.c @@ -408,7 +408,7 @@ const struct powerpc_operand powerpc_operands[] = #define FXM4 FXM + 1 { 0xff, 12, insert_fxm, extract_fxm, PPC_OPERAND_OPTIONAL | PPC_OPERAND_OPTIONAL_VALUE}, - /* If the FXM4 operand is ommitted, use the sentinel value -1. */ + /* If the FXM4 operand is omitted, use the sentinel value -1. */ { -1, -1, NULL, NULL, 0}, /* The IMM20 field in an LI instruction. */ diff --git a/arch/powerpc/xmon/ppc.h b/arch/powerpc/xmon/ppc.h index d00f33dcf192..1d98b8dd134e 100644 --- a/arch/powerpc/xmon/ppc.h +++ b/arch/powerpc/xmon/ppc.h @@ -435,8 +435,6 @@ struct powerpc_macro extern const struct powerpc_macro powerpc_macros[]; extern const int powerpc_num_macros; -extern ppc_cpu_t ppc_parse_cpu (ppc_cpu_t, ppc_cpu_t *, const char *); - static inline long ppc_optional_operand_value (const struct powerpc_operand *operand) { diff --git a/arch/powerpc/xmon/spr_access.S b/arch/powerpc/xmon/spr_access.S index 720a52afdd58..c308ddf268fb 100644 --- a/arch/powerpc/xmon/spr_access.S +++ b/arch/powerpc/xmon/spr_access.S @@ -4,12 +4,12 @@ /* unsigned long xmon_mfspr(sprn, default_value) */ _GLOBAL(xmon_mfspr) - PPC_LL r5, .Lmfspr_table@got(r2) + LOAD_REG_ADDR(r5, .Lmfspr_table) b xmon_mxspr /* void xmon_mtspr(sprn, new_value) */ _GLOBAL(xmon_mtspr) - PPC_LL r5, .Lmtspr_table@got(r2) + LOAD_REG_ADDR(r5, .Lmtspr_table) b xmon_mxspr /* diff --git a/arch/powerpc/xmon/spu-dis.c b/arch/powerpc/xmon/spu-dis.c deleted file mode 100644 index 4b0a4e640f08..000000000000 --- a/arch/powerpc/xmon/spu-dis.c +++ /dev/null @@ -1,237 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* Disassemble SPU instructions - - Copyright 2006 Free Software Foundation, Inc. - - This file is part of GDB, GAS, and the GNU binutils. - - */ - -#include <linux/string.h> -#include "nonstdio.h" -#include "ansidecl.h" -#include "spu.h" -#include "dis-asm.h" - -/* This file provides a disassembler function which uses - the disassembler interface defined in dis-asm.h. */ - -extern const struct spu_opcode spu_opcodes[]; -extern const int spu_num_opcodes; - -#define SPU_DISASM_TBL_SIZE (1 << 11) -static const struct spu_opcode *spu_disassemble_table[SPU_DISASM_TBL_SIZE]; - -static void -init_spu_disassemble (void) -{ - int i; - - /* If two instructions have the same opcode then we prefer the first - * one. In most cases it is just an alternate mnemonic. */ - for (i = 0; i < spu_num_opcodes; i++) - { - int o = spu_opcodes[i].opcode; - if (o >= SPU_DISASM_TBL_SIZE) - continue; /* abort (); */ - if (spu_disassemble_table[o] == 0) - spu_disassemble_table[o] = &spu_opcodes[i]; - } -} - -/* Determine the instruction from the 10 least significant bits. */ -static const struct spu_opcode * -get_index_for_opcode (unsigned int insn) -{ - const struct spu_opcode *index; - unsigned int opcode = insn >> (32-11); - - /* Init the table. This assumes that element 0/opcode 0 (currently - * NOP) is always used */ - if (spu_disassemble_table[0] == 0) - init_spu_disassemble (); - - if ((index = spu_disassemble_table[opcode & 0x780]) != 0 - && index->insn_type == RRR) - return index; - - if ((index = spu_disassemble_table[opcode & 0x7f0]) != 0 - && (index->insn_type == RI18 || index->insn_type == LBT)) - return index; - - if ((index = spu_disassemble_table[opcode & 0x7f8]) != 0 - && index->insn_type == RI10) - return index; - - if ((index = spu_disassemble_table[opcode & 0x7fc]) != 0 - && (index->insn_type == RI16)) - return index; - - if ((index = spu_disassemble_table[opcode & 0x7fe]) != 0 - && (index->insn_type == RI8)) - return index; - - if ((index = spu_disassemble_table[opcode & 0x7ff]) != 0) - return index; - - return NULL; -} - -/* Print a Spu instruction. */ - -int -print_insn_spu (unsigned long insn, unsigned long memaddr) -{ - int value; - int hex_value; - const struct spu_opcode *index; - enum spu_insns tag; - - index = get_index_for_opcode (insn); - - if (index == 0) - { - printf(".long 0x%lx", insn); - } - else - { - int i; - int paren = 0; - tag = (enum spu_insns)(index - spu_opcodes); - printf("%s", index->mnemonic); - if (tag == M_BI || tag == M_BISL || tag == M_IRET || tag == M_BISLED - || tag == M_BIHNZ || tag == M_BIHZ || tag == M_BINZ || tag == M_BIZ - || tag == M_SYNC || tag == M_HBR) - { - int fb = (insn >> (32-18)) & 0x7f; - if (fb & 0x40) - printf(tag == M_SYNC ? "c" : "p"); - if (fb & 0x20) - printf("d"); - if (fb & 0x10) - printf("e"); - } - if (index->arg[0] != 0) - printf("\t"); - hex_value = 0; - for (i = 1; i <= index->arg[0]; i++) - { - int arg = index->arg[i]; - if (arg != A_P && !paren && i > 1) - printf(","); - - switch (arg) - { - case A_T: - printf("$%lu", - DECODE_INSN_RT (insn)); - break; - case A_A: - printf("$%lu", - DECODE_INSN_RA (insn)); - break; - case A_B: - printf("$%lu", - DECODE_INSN_RB (insn)); - break; - case A_C: - printf("$%lu", - DECODE_INSN_RC (insn)); - break; - case A_S: - printf("$sp%lu", - DECODE_INSN_RA (insn)); - break; - case A_H: - printf("$ch%lu", - DECODE_INSN_RA (insn)); - break; - case A_P: - paren++; - printf("("); - break; - case A_U7A: - printf("%lu", - 173 - DECODE_INSN_U8 (insn)); - break; - case A_U7B: - printf("%lu", - 155 - DECODE_INSN_U8 (insn)); - break; - case A_S3: - case A_S6: - case A_S7: - case A_S7N: - case A_U3: - case A_U5: - case A_U6: - case A_U7: - hex_value = DECODE_INSN_I7 (insn); - printf("%d", hex_value); - break; - case A_S11: - print_address(memaddr + DECODE_INSN_I9a (insn) * 4); - break; - case A_S11I: - print_address(memaddr + DECODE_INSN_I9b (insn) * 4); - break; - case A_S10: - case A_S10B: - hex_value = DECODE_INSN_I10 (insn); - printf("%d", hex_value); - break; - case A_S14: - hex_value = DECODE_INSN_I10 (insn) * 16; - printf("%d", hex_value); - break; - case A_S16: - hex_value = DECODE_INSN_I16 (insn); - printf("%d", hex_value); - break; - case A_X16: - hex_value = DECODE_INSN_U16 (insn); - printf("%u", hex_value); - break; - case A_R18: - value = DECODE_INSN_I16 (insn) * 4; - if (value == 0) - printf("%d", value); - else - { - hex_value = memaddr + value; - print_address(hex_value & 0x3ffff); - } - break; - case A_S18: - value = DECODE_INSN_U16 (insn) * 4; - if (value == 0) - printf("%d", value); - else - print_address(value); - break; - case A_U18: - value = DECODE_INSN_U18 (insn); - if (value == 0 || 1) - { - hex_value = value; - printf("%u", value); - } - else - print_address(value); - break; - case A_U14: - hex_value = DECODE_INSN_U14 (insn); - printf("%u", hex_value); - break; - } - if (arg != A_P && paren) - { - printf(")"); - paren--; - } - } - if (hex_value > 16) - printf("\t# %x", hex_value); - } - return 4; -} diff --git a/arch/powerpc/xmon/spu-insns.h b/arch/powerpc/xmon/spu-insns.h deleted file mode 100644 index 7e1126a19909..000000000000 --- a/arch/powerpc/xmon/spu-insns.h +++ /dev/null @@ -1,399 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* SPU ELF support for BFD. - - Copyright 2006 Free Software Foundation, Inc. - - This file is part of BFD, the Binary File Descriptor library. - - */ - -/* SPU Opcode Table - --=-=-= FORMAT =-=-=- - - +----+-------+-------+-------+-------+ +------------+-------+-------+-------+ -RRR | op | RC | RB | RA | RT | RI7 | op | I7 | RA | RT | - +----+-------+-------+-------+-------+ +------------+-------+-------+-------+ - 0 3 1 1 2 3 0 1 1 2 3 - 0 7 4 1 0 7 4 1 - - +-----------+--------+-------+-------+ +---------+----------+-------+-------+ -RI8 | op | I8 | RA | RT | RI10 | op | I10 | RA | RT | - +-----------+--------+-------+-------+ +---------+----------+-------+-------+ - 0 9 1 2 3 0 7 1 2 3 - 7 4 1 7 4 1 - - +----------+-----------------+-------+ +--------+-------------------+-------+ -RI16 | op | I16 | RT | RI18 | op | I18 | RT | - +----------+-----------------+-------+ +--------+-------------------+-------+ - 0 8 2 3 0 6 2 3 - 4 1 4 1 - - +------------+-------+-------+-------+ +-------+--+-----------------+-------+ -RR | op | RB | RA | RT | LBT | op |RO| I16 | RO | - +------------+-------+-------+-------+ +-------+--+-----------------+-------+ - 0 1 1 2 3 0 6 8 2 3 - 0 7 4 1 4 1 - - +------------+----+--+-------+-------+ - LBTI | op | // |RO| RA | RO | - +------------+----+--+-------+-------+ - 0 1 1 1 2 3 - 0 5 7 4 1 - --=-=-= OPCODE =-=-=- - -OPCODE field specifies the most significant 11bit of the instruction. Some formats don't have 11bits for opcode field, and in this -case, bit field other than op are defined as 0s. For example, opcode of fma instruction which is RRR format is defined as 0x700, -since 0x700 -> 11'b11100000000, this means opcode is 4'b1110, and other 7bits are defined as 7'b0000000. - --=-=-= ASM_FORMAT =-=-=- - -RRR category RI7 category - ASM_RRR mnemonic RC, RA, RB, RT ASM_RI4 mnemonic RT, RA, I4 - ASM_RI7 mnemonic RT, RA, I7 - -RI8 category RI10 category - ASM_RUI8 mnemonic RT, RA, UI8 ASM_AI10 mnemonic RA, I10 - ASM_RI10 mnemonic RT, RA, R10 - ASM_RI10IDX mnemonic RT, I10(RA) - -RI16 category RI18 category - ASM_I16W mnemonic I16W ASM_RI18 mnemonic RT, I18 - ASM_RI16 mnemonic RT, I16 - ASM_RI16W mnemonic RT, I16W - -RR category LBT category - ASM_MFSPR mnemonic RT, SA ASM_LBT mnemonic brinst, brtarg - ASM_MTSPR mnemonic SA, RT - ASM_NOOP mnemonic LBTI category - ASM_RA mnemonic RA ASM_LBTI mnemonic brinst, RA - ASM_RAB mnemonic RA, RB - ASM_RDCH mnemonic RT, CA - ASM_RR mnemonic RT, RA, RB - ASM_RT mnemonic RT - ASM_RTA mnemonic RT, RA - ASM_WRCH mnemonic CA, RT - -Note that RRR instructions have the names for RC and RT reversed from -what's in the ISA, in order to put RT in the same position it appears -for other formats. - --=-=-= DEPENDENCY =-=-=- - -DEPENDENCY filed consists of 5 digits. This represents which register is used as source and which register is used as target. -The first(most significant) digit is always 0. Then it is followd by RC, RB, RA and RT digits. -If the digit is 0, this means the corresponding register is not used in the instruction. -If the digit is 1, this means the corresponding register is used as a source in the instruction. -If the digit is 2, this means the corresponding register is used as a target in the instruction. -If the digit is 3, this means the corresponding register is used as both source and target in the instruction. -For example, fms instruction has 00113 as the DEPENDENCY field. This means RC is not used in this operation, RB and RA are -used as sources and RT is the target. - --=-=-= PIPE =-=-=- - -This field shows which execution pipe is used for the instruction - -pipe0 execution pipelines: - FP6 SP floating pipeline - FP7 integer operations executed in SP floating pipeline - FPD DP floating pipeline - FX2 FXU pipeline - FX3 Rotate/Shift pipeline - FXB Byte pipeline - NOP No pipeline - -pipe1 execution pipelines: - BR Branch pipeline - LNOP No pipeline - LS Load/Store pipeline - SHUF Shuffle pipeline - SPR SPR/CH pipeline - -*/ - -#define _A0() {0} -#define _A1(a) {1,a} -#define _A2(a,b) {2,a,b} -#define _A3(a,b,c) {3,a,b,c} -#define _A4(a,b,c,d) {4,a,b,c,d} - -/* TAG FORMAT OPCODE MNEMONIC ASM_FORMAT DEPENDENCY PIPE COMMENT */ -/* 0[RC][RB][RA][RT] */ -/* 1:src, 2:target */ - -APUOP(M_BR, RI16, 0x190, "br", _A1(A_R18), 00000, BR) /* BRel IP<-IP+I16 */ -APUOP(M_BRSL, RI16, 0x198, "brsl", _A2(A_T,A_R18), 00002, BR) /* BRelSetLink RT,IP<-IP,IP+I16 */ -APUOP(M_BRA, RI16, 0x180, "bra", _A1(A_S18), 00000, BR) /* BRAbs IP<-I16 */ -APUOP(M_BRASL, RI16, 0x188, "brasl", _A2(A_T,A_S18), 00002, BR) /* BRAbsSetLink RT,IP<-IP,I16 */ -APUOP(M_FSMBI, RI16, 0x194, "fsmbi", _A2(A_T,A_X16), 00002, SHUF) /* FormSelMask%I RT<-fsm(I16) */ -APUOP(M_LQA, RI16, 0x184, "lqa", _A2(A_T,A_S18), 00002, LS) /* LoadQAbs RT<-M[I16] */ -APUOP(M_LQR, RI16, 0x19C, "lqr", _A2(A_T,A_R18), 00002, LS) /* LoadQRel RT<-M[IP+I16] */ -APUOP(M_STOP, RR, 0x000, "stop", _A0(), 00000, BR) /* STOP stop */ -APUOP(M_STOP2, RR, 0x000, "stop", _A1(A_U14), 00000, BR) /* STOP stop */ -APUOP(M_STOPD, RR, 0x140, "stopd", _A3(A_T,A_A,A_B), 00111, BR) /* STOPD stop (with register dependencies) */ -APUOP(M_LNOP, RR, 0x001, "lnop", _A0(), 00000, LNOP) /* LNOP no_operation */ -APUOP(M_SYNC, RR, 0x002, "sync", _A0(), 00000, BR) /* SYNC flush_pipe */ -APUOP(M_DSYNC, RR, 0x003, "dsync", _A0(), 00000, BR) /* DSYNC flush_store_queue */ -APUOP(M_MFSPR, RR, 0x00c, "mfspr", _A2(A_T,A_S), 00002, SPR) /* MFSPR RT<-SA */ -APUOP(M_RDCH, RR, 0x00d, "rdch", _A2(A_T,A_H), 00002, SPR) /* ReaDCHannel RT<-CA:data */ -APUOP(M_RCHCNT, RR, 0x00f, "rchcnt", _A2(A_T,A_H), 00002, SPR) /* ReaDCHanCouNT RT<-CA:count */ -APUOP(M_HBRA, LBT, 0x080, "hbra", _A2(A_S11,A_S18), 00000, LS) /* HBRA BTB[B9]<-M[I16] */ -APUOP(M_HBRR, LBT, 0x090, "hbrr", _A2(A_S11,A_R18), 00000, LS) /* HBRR BTB[B9]<-M[IP+I16] */ -APUOP(M_BRZ, RI16, 0x100, "brz", _A2(A_T,A_R18), 00001, BR) /* BRZ IP<-IP+I16_if(RT) */ -APUOP(M_BRNZ, RI16, 0x108, "brnz", _A2(A_T,A_R18), 00001, BR) /* BRNZ IP<-IP+I16_if(RT) */ -APUOP(M_BRHZ, RI16, 0x110, "brhz", _A2(A_T,A_R18), 00001, BR) /* BRHZ IP<-IP+I16_if(RT) */ -APUOP(M_BRHNZ, RI16, 0x118, "brhnz", _A2(A_T,A_R18), 00001, BR) /* BRHNZ IP<-IP+I16_if(RT) */ -APUOP(M_STQA, RI16, 0x104, "stqa", _A2(A_T,A_S18), 00001, LS) /* SToreQAbs M[I16]<-RT */ -APUOP(M_STQR, RI16, 0x11C, "stqr", _A2(A_T,A_R18), 00001, LS) /* SToreQRel M[IP+I16]<-RT */ -APUOP(M_MTSPR, RR, 0x10c, "mtspr", _A2(A_S,A_T), 00001, SPR) /* MTSPR SA<-RT */ -APUOP(M_WRCH, RR, 0x10d, "wrch", _A2(A_H,A_T), 00001, SPR) /* ChanWRite CA<-RT */ -APUOP(M_LQD, RI10, 0x1a0, "lqd", _A4(A_T,A_S14,A_P,A_A), 00012, LS) /* LoadQDisp RT<-M[Ra+I10] */ -APUOP(M_BI, RR, 0x1a8, "bi", _A1(A_A), 00010, BR) /* BI IP<-RA */ -APUOP(M_BISL, RR, 0x1a9, "bisl", _A2(A_T,A_A), 00012, BR) /* BISL RT,IP<-IP,RA */ -APUOP(M_IRET, RR, 0x1aa, "iret", _A1(A_A), 00010, BR) /* IRET IP<-SRR0 */ -APUOP(M_IRET2, RR, 0x1aa, "iret", _A0(), 00010, BR) /* IRET IP<-SRR0 */ -APUOP(M_BISLED, RR, 0x1ab, "bisled", _A2(A_T,A_A), 00012, BR) /* BISLED RT,IP<-IP,RA_if(ext) */ -APUOP(M_HBR, LBTI, 0x1ac, "hbr", _A2(A_S11I,A_A), 00010, LS) /* HBR BTB[B9]<-M[Ra] */ -APUOP(M_FREST, RR, 0x1b8, "frest", _A2(A_T,A_A), 00012, SHUF) /* FREST RT<-recip(RA) */ -APUOP(M_FRSQEST, RR, 0x1b9, "frsqest", _A2(A_T,A_A), 00012, SHUF) /* FRSQEST RT<-rsqrt(RA) */ -APUOP(M_FSM, RR, 0x1b4, "fsm", _A2(A_T,A_A), 00012, SHUF) /* FormSelMask% RT<-expand(Ra) */ -APUOP(M_FSMH, RR, 0x1b5, "fsmh", _A2(A_T,A_A), 00012, SHUF) /* FormSelMask% RT<-expand(Ra) */ -APUOP(M_FSMB, RR, 0x1b6, "fsmb", _A2(A_T,A_A), 00012, SHUF) /* FormSelMask% RT<-expand(Ra) */ -APUOP(M_GB, RR, 0x1b0, "gb", _A2(A_T,A_A), 00012, SHUF) /* GatherBits% RT<-gather(RA) */ -APUOP(M_GBH, RR, 0x1b1, "gbh", _A2(A_T,A_A), 00012, SHUF) /* GatherBits% RT<-gather(RA) */ -APUOP(M_GBB, RR, 0x1b2, "gbb", _A2(A_T,A_A), 00012, SHUF) /* GatherBits% RT<-gather(RA) */ -APUOP(M_CBD, RI7, 0x1f4, "cbd", _A4(A_T,A_U7,A_P,A_A), 00012, SHUF) /* genCtl%%insD RT<-sta(Ra+I4,siz) */ -APUOP(M_CHD, RI7, 0x1f5, "chd", _A4(A_T,A_U7,A_P,A_A), 00012, SHUF) /* genCtl%%insD RT<-sta(Ra+I4,siz) */ -APUOP(M_CWD, RI7, 0x1f6, "cwd", _A4(A_T,A_U7,A_P,A_A), 00012, SHUF) /* genCtl%%insD RT<-sta(Ra+I4,siz) */ -APUOP(M_CDD, RI7, 0x1f7, "cdd", _A4(A_T,A_U7,A_P,A_A), 00012, SHUF) /* genCtl%%insD RT<-sta(Ra+I4,siz) */ -APUOP(M_ROTQBII, RI7, 0x1f8, "rotqbii", _A3(A_T,A_A,A_U3), 00012, SHUF) /* ROTQBII RT<-RA<<<I7 */ -APUOP(M_ROTQBYI, RI7, 0x1fc, "rotqbyi", _A3(A_T,A_A,A_S7N), 00012, SHUF) /* ROTQBYI RT<-RA<<<(I7*8) */ -APUOP(M_ROTQMBII, RI7, 0x1f9, "rotqmbii", _A3(A_T,A_A,A_S3), 00012, SHUF) /* ROTQMBII RT<-RA<<I7 */ -APUOP(M_ROTQMBYI, RI7, 0x1fd, "rotqmbyi", _A3(A_T,A_A,A_S6), 00012, SHUF) /* ROTQMBYI RT<-RA<<I7 */ -APUOP(M_SHLQBII, RI7, 0x1fb, "shlqbii", _A3(A_T,A_A,A_U3), 00012, SHUF) /* SHLQBII RT<-RA<<I7 */ -APUOP(M_SHLQBYI, RI7, 0x1ff, "shlqbyi", _A3(A_T,A_A,A_U5), 00012, SHUF) /* SHLQBYI RT<-RA<<I7 */ -APUOP(M_STQD, RI10, 0x120, "stqd", _A4(A_T,A_S14,A_P,A_A), 00011, LS) /* SToreQDisp M[Ra+I10]<-RT */ -APUOP(M_BIHNZ, RR, 0x12b, "bihnz", _A2(A_T,A_A), 00011, BR) /* BIHNZ IP<-RA_if(RT) */ -APUOP(M_BIHZ, RR, 0x12a, "bihz", _A2(A_T,A_A), 00011, BR) /* BIHZ IP<-RA_if(RT) */ -APUOP(M_BINZ, RR, 0x129, "binz", _A2(A_T,A_A), 00011, BR) /* BINZ IP<-RA_if(RT) */ -APUOP(M_BIZ, RR, 0x128, "biz", _A2(A_T,A_A), 00011, BR) /* BIZ IP<-RA_if(RT) */ -APUOP(M_CBX, RR, 0x1d4, "cbx", _A3(A_T,A_A,A_B), 00112, SHUF) /* genCtl%%insX RT<-sta(Ra+Rb,siz) */ -APUOP(M_CHX, RR, 0x1d5, "chx", _A3(A_T,A_A,A_B), 00112, SHUF) /* genCtl%%insX RT<-sta(Ra+Rb,siz) */ -APUOP(M_CWX, RR, 0x1d6, "cwx", _A3(A_T,A_A,A_B), 00112, SHUF) /* genCtl%%insX RT<-sta(Ra+Rb,siz) */ -APUOP(M_CDX, RR, 0x1d7, "cdx", _A3(A_T,A_A,A_B), 00112, SHUF) /* genCtl%%insX RT<-sta(Ra+Rb,siz) */ -APUOP(M_LQX, RR, 0x1c4, "lqx", _A3(A_T,A_A,A_B), 00112, LS) /* LoadQindeX RT<-M[Ra+Rb] */ -APUOP(M_ROTQBI, RR, 0x1d8, "rotqbi", _A3(A_T,A_A,A_B), 00112, SHUF) /* ROTQBI RT<-RA<<<Rb */ -APUOP(M_ROTQMBI, RR, 0x1d9, "rotqmbi", _A3(A_T,A_A,A_B), 00112, SHUF) /* ROTQMBI RT<-RA<<Rb */ -APUOP(M_SHLQBI, RR, 0x1db, "shlqbi", _A3(A_T,A_A,A_B), 00112, SHUF) /* SHLQBI RT<-RA<<Rb */ -APUOP(M_ROTQBY, RR, 0x1dc, "rotqby", _A3(A_T,A_A,A_B), 00112, SHUF) /* ROTQBY RT<-RA<<<(Rb*8) */ -APUOP(M_ROTQMBY, RR, 0x1dd, "rotqmby", _A3(A_T,A_A,A_B), 00112, SHUF) /* ROTQMBY RT<-RA<<Rb */ -APUOP(M_SHLQBY, RR, 0x1df, "shlqby", _A3(A_T,A_A,A_B), 00112, SHUF) /* SHLQBY RT<-RA<<Rb */ -APUOP(M_ROTQBYBI, RR, 0x1cc, "rotqbybi", _A3(A_T,A_A,A_B), 00112, SHUF) /* ROTQBYBI RT<-RA<<Rb */ -APUOP(M_ROTQMBYBI, RR, 0x1cd, "rotqmbybi", _A3(A_T,A_A,A_B), 00112, SHUF) /* ROTQMBYBI RT<-RA<<Rb */ -APUOP(M_SHLQBYBI, RR, 0x1cf, "shlqbybi", _A3(A_T,A_A,A_B), 00112, SHUF) /* SHLQBYBI RT<-RA<<Rb */ -APUOP(M_STQX, RR, 0x144, "stqx", _A3(A_T,A_A,A_B), 00111, LS) /* SToreQindeX M[Ra+Rb]<-RT */ -APUOP(M_SHUFB, RRR, 0x580, "shufb", _A4(A_C,A_A,A_B,A_T), 02111, SHUF) /* SHUFfleBytes RC<-f(RA,RB,RT) */ -APUOP(M_IL, RI16, 0x204, "il", _A2(A_T,A_S16), 00002, FX2) /* ImmLoad RT<-sxt(I16) */ -APUOP(M_ILH, RI16, 0x20c, "ilh", _A2(A_T,A_X16), 00002, FX2) /* ImmLoadH RT<-I16 */ -APUOP(M_ILHU, RI16, 0x208, "ilhu", _A2(A_T,A_X16), 00002, FX2) /* ImmLoadHUpper RT<-I16<<16 */ -APUOP(M_ILA, RI18, 0x210, "ila", _A2(A_T,A_U18), 00002, FX2) /* ImmLoadAddr RT<-zxt(I18) */ -APUOP(M_NOP, RR, 0x201, "nop", _A1(A_T), 00000, NOP) /* XNOP no_operation */ -APUOP(M_NOP2, RR, 0x201, "nop", _A0(), 00000, NOP) /* XNOP no_operation */ -APUOP(M_IOHL, RI16, 0x304, "iohl", _A2(A_T,A_X16), 00003, FX2) /* AddImmeXt RT<-RT+sxt(I16) */ -APUOP(M_ANDBI, RI10, 0x0b0, "andbi", _A3(A_T,A_A,A_S10B), 00012, FX2) /* AND%I RT<-RA&I10 */ -APUOP(M_ANDHI, RI10, 0x0a8, "andhi", _A3(A_T,A_A,A_S10), 00012, FX2) /* AND%I RT<-RA&I10 */ -APUOP(M_ANDI, RI10, 0x0a0, "andi", _A3(A_T,A_A,A_S10), 00012, FX2) /* AND%I RT<-RA&I10 */ -APUOP(M_ORBI, RI10, 0x030, "orbi", _A3(A_T,A_A,A_S10B), 00012, FX2) /* OR%I RT<-RA|I10 */ -APUOP(M_ORHI, RI10, 0x028, "orhi", _A3(A_T,A_A,A_S10), 00012, FX2) /* OR%I RT<-RA|I10 */ -APUOP(M_ORI, RI10, 0x020, "ori", _A3(A_T,A_A,A_S10), 00012, FX2) /* OR%I RT<-RA|I10 */ -APUOP(M_ORX, RR, 0x1f0, "orx", _A2(A_T,A_A), 00012, BR) /* ORX RT<-RA.w0|RA.w1|RA.w2|RA.w3 */ -APUOP(M_XORBI, RI10, 0x230, "xorbi", _A3(A_T,A_A,A_S10B), 00012, FX2) /* XOR%I RT<-RA^I10 */ -APUOP(M_XORHI, RI10, 0x228, "xorhi", _A3(A_T,A_A,A_S10), 00012, FX2) /* XOR%I RT<-RA^I10 */ -APUOP(M_XORI, RI10, 0x220, "xori", _A3(A_T,A_A,A_S10), 00012, FX2) /* XOR%I RT<-RA^I10 */ -APUOP(M_AHI, RI10, 0x0e8, "ahi", _A3(A_T,A_A,A_S10), 00012, FX2) /* Add%Immed RT<-RA+I10 */ -APUOP(M_AI, RI10, 0x0e0, "ai", _A3(A_T,A_A,A_S10), 00012, FX2) /* Add%Immed RT<-RA+I10 */ -APUOP(M_SFHI, RI10, 0x068, "sfhi", _A3(A_T,A_A,A_S10), 00012, FX2) /* SubFrom%Imm RT<-I10-RA */ -APUOP(M_SFI, RI10, 0x060, "sfi", _A3(A_T,A_A,A_S10), 00012, FX2) /* SubFrom%Imm RT<-I10-RA */ -APUOP(M_CGTBI, RI10, 0x270, "cgtbi", _A3(A_T,A_A,A_S10B), 00012, FX2) /* CGT%I RT<-(RA>I10) */ -APUOP(M_CGTHI, RI10, 0x268, "cgthi", _A3(A_T,A_A,A_S10), 00012, FX2) /* CGT%I RT<-(RA>I10) */ -APUOP(M_CGTI, RI10, 0x260, "cgti", _A3(A_T,A_A,A_S10), 00012, FX2) /* CGT%I RT<-(RA>I10) */ -APUOP(M_CLGTBI, RI10, 0x2f0, "clgtbi", _A3(A_T,A_A,A_S10B), 00012, FX2) /* CLGT%I RT<-(RA>I10) */ -APUOP(M_CLGTHI, RI10, 0x2e8, "clgthi", _A3(A_T,A_A,A_S10), 00012, FX2) /* CLGT%I RT<-(RA>I10) */ -APUOP(M_CLGTI, RI10, 0x2e0, "clgti", _A3(A_T,A_A,A_S10), 00012, FX2) /* CLGT%I RT<-(RA>I10) */ -APUOP(M_CEQBI, RI10, 0x3f0, "ceqbi", _A3(A_T,A_A,A_S10B), 00012, FX2) /* CEQ%I RT<-(RA=I10) */ -APUOP(M_CEQHI, RI10, 0x3e8, "ceqhi", _A3(A_T,A_A,A_S10), 00012, FX2) /* CEQ%I RT<-(RA=I10) */ -APUOP(M_CEQI, RI10, 0x3e0, "ceqi", _A3(A_T,A_A,A_S10), 00012, FX2) /* CEQ%I RT<-(RA=I10) */ -APUOP(M_HGTI, RI10, 0x278, "hgti", _A3(A_T,A_A,A_S10), 00010, FX2) /* HaltGTI halt_if(RA>I10) */ -APUOP(M_HGTI2, RI10, 0x278, "hgti", _A2(A_A,A_S10), 00010, FX2) /* HaltGTI halt_if(RA>I10) */ -APUOP(M_HLGTI, RI10, 0x2f8, "hlgti", _A3(A_T,A_A,A_S10), 00010, FX2) /* HaltLGTI halt_if(RA>I10) */ -APUOP(M_HLGTI2, RI10, 0x2f8, "hlgti", _A2(A_A,A_S10), 00010, FX2) /* HaltLGTI halt_if(RA>I10) */ -APUOP(M_HEQI, RI10, 0x3f8, "heqi", _A3(A_T,A_A,A_S10), 00010, FX2) /* HaltEQImm halt_if(RA=I10) */ -APUOP(M_HEQI2, RI10, 0x3f8, "heqi", _A2(A_A,A_S10), 00010, FX2) /* HaltEQImm halt_if(RA=I10) */ -APUOP(M_MPYI, RI10, 0x3a0, "mpyi", _A3(A_T,A_A,A_S10), 00012, FP7) /* MPYI RT<-RA*I10 */ -APUOP(M_MPYUI, RI10, 0x3a8, "mpyui", _A3(A_T,A_A,A_S10), 00012, FP7) /* MPYUI RT<-RA*I10 */ -APUOP(M_CFLTS, RI8, 0x3b0, "cflts", _A3(A_T,A_A,A_U7A), 00012, FP7) /* CFLTS RT<-int(RA,I8) */ -APUOP(M_CFLTU, RI8, 0x3b2, "cfltu", _A3(A_T,A_A,A_U7A), 00012, FP7) /* CFLTU RT<-int(RA,I8) */ -APUOP(M_CSFLT, RI8, 0x3b4, "csflt", _A3(A_T,A_A,A_U7B), 00012, FP7) /* CSFLT RT<-flt(RA,I8) */ -APUOP(M_CUFLT, RI8, 0x3b6, "cuflt", _A3(A_T,A_A,A_U7B), 00012, FP7) /* CUFLT RT<-flt(RA,I8) */ -APUOP(M_FESD, RR, 0x3b8, "fesd", _A2(A_T,A_A), 00012, FPD) /* FESD RT<-double(RA) */ -APUOP(M_FRDS, RR, 0x3b9, "frds", _A2(A_T,A_A), 00012, FPD) /* FRDS RT<-single(RA) */ -APUOP(M_FSCRRD, RR, 0x398, "fscrrd", _A1(A_T), 00002, FPD) /* FSCRRD RT<-FP_status */ -APUOP(M_FSCRWR, RR, 0x3ba, "fscrwr", _A2(A_T,A_A), 00010, FP7) /* FSCRWR FP_status<-RA */ -APUOP(M_FSCRWR2, RR, 0x3ba, "fscrwr", _A1(A_A), 00010, FP7) /* FSCRWR FP_status<-RA */ -APUOP(M_CLZ, RR, 0x2a5, "clz", _A2(A_T,A_A), 00012, FX2) /* CLZ RT<-clz(RA) */ -APUOP(M_CNTB, RR, 0x2b4, "cntb", _A2(A_T,A_A), 00012, FXB) /* CNT RT<-pop(RA) */ -APUOP(M_XSBH, RR, 0x2b6, "xsbh", _A2(A_T,A_A), 00012, FX2) /* eXtSignBtoH RT<-sign_ext(RA) */ -APUOP(M_XSHW, RR, 0x2ae, "xshw", _A2(A_T,A_A), 00012, FX2) /* eXtSignHtoW RT<-sign_ext(RA) */ -APUOP(M_XSWD, RR, 0x2a6, "xswd", _A2(A_T,A_A), 00012, FX2) /* eXtSignWtoD RT<-sign_ext(RA) */ -APUOP(M_ROTI, RI7, 0x078, "roti", _A3(A_T,A_A,A_S7N), 00012, FX3) /* ROT%I RT<-RA<<<I7 */ -APUOP(M_ROTMI, RI7, 0x079, "rotmi", _A3(A_T,A_A,A_S7), 00012, FX3) /* ROT%MI RT<-RA<<I7 */ -APUOP(M_ROTMAI, RI7, 0x07a, "rotmai", _A3(A_T,A_A,A_S7), 00012, FX3) /* ROTMA%I RT<-RA<<I7 */ -APUOP(M_SHLI, RI7, 0x07b, "shli", _A3(A_T,A_A,A_U6), 00012, FX3) /* SHL%I RT<-RA<<I7 */ -APUOP(M_ROTHI, RI7, 0x07c, "rothi", _A3(A_T,A_A,A_S7N), 00012, FX3) /* ROT%I RT<-RA<<<I7 */ -APUOP(M_ROTHMI, RI7, 0x07d, "rothmi", _A3(A_T,A_A,A_S6), 00012, FX3) /* ROT%MI RT<-RA<<I7 */ -APUOP(M_ROTMAHI, RI7, 0x07e, "rotmahi", _A3(A_T,A_A,A_S6), 00012, FX3) /* ROTMA%I RT<-RA<<I7 */ -APUOP(M_SHLHI, RI7, 0x07f, "shlhi", _A3(A_T,A_A,A_U5), 00012, FX3) /* SHL%I RT<-RA<<I7 */ -APUOP(M_A, RR, 0x0c0, "a", _A3(A_T,A_A,A_B), 00112, FX2) /* Add% RT<-RA+RB */ -APUOP(M_AH, RR, 0x0c8, "ah", _A3(A_T,A_A,A_B), 00112, FX2) /* Add% RT<-RA+RB */ -APUOP(M_SF, RR, 0x040, "sf", _A3(A_T,A_A,A_B), 00112, FX2) /* SubFrom% RT<-RB-RA */ -APUOP(M_SFH, RR, 0x048, "sfh", _A3(A_T,A_A,A_B), 00112, FX2) /* SubFrom% RT<-RB-RA */ -APUOP(M_CGT, RR, 0x240, "cgt", _A3(A_T,A_A,A_B), 00112, FX2) /* CGT% RT<-(RA>RB) */ -APUOP(M_CGTB, RR, 0x250, "cgtb", _A3(A_T,A_A,A_B), 00112, FX2) /* CGT% RT<-(RA>RB) */ -APUOP(M_CGTH, RR, 0x248, "cgth", _A3(A_T,A_A,A_B), 00112, FX2) /* CGT% RT<-(RA>RB) */ -APUOP(M_CLGT, RR, 0x2c0, "clgt", _A3(A_T,A_A,A_B), 00112, FX2) /* CLGT% RT<-(RA>RB) */ -APUOP(M_CLGTB, RR, 0x2d0, "clgtb", _A3(A_T,A_A,A_B), 00112, FX2) /* CLGT% RT<-(RA>RB) */ -APUOP(M_CLGTH, RR, 0x2c8, "clgth", _A3(A_T,A_A,A_B), 00112, FX2) /* CLGT% RT<-(RA>RB) */ -APUOP(M_CEQ, RR, 0x3c0, "ceq", _A3(A_T,A_A,A_B), 00112, FX2) /* CEQ% RT<-(RA=RB) */ -APUOP(M_CEQB, RR, 0x3d0, "ceqb", _A3(A_T,A_A,A_B), 00112, FX2) /* CEQ% RT<-(RA=RB) */ -APUOP(M_CEQH, RR, 0x3c8, "ceqh", _A3(A_T,A_A,A_B), 00112, FX2) /* CEQ% RT<-(RA=RB) */ -APUOP(M_HGT, RR, 0x258, "hgt", _A3(A_T,A_A,A_B), 00110, FX2) /* HaltGT halt_if(RA>RB) */ -APUOP(M_HGT2, RR, 0x258, "hgt", _A2(A_A,A_B), 00110, FX2) /* HaltGT halt_if(RA>RB) */ -APUOP(M_HLGT, RR, 0x2d8, "hlgt", _A3(A_T,A_A,A_B), 00110, FX2) /* HaltLGT halt_if(RA>RB) */ -APUOP(M_HLGT2, RR, 0x2d8, "hlgt", _A2(A_A,A_B), 00110, FX2) /* HaltLGT halt_if(RA>RB) */ -APUOP(M_HEQ, RR, 0x3d8, "heq", _A3(A_T,A_A,A_B), 00110, FX2) /* HaltEQ halt_if(RA=RB) */ -APUOP(M_HEQ2, RR, 0x3d8, "heq", _A2(A_A,A_B), 00110, FX2) /* HaltEQ halt_if(RA=RB) */ -APUOP(M_FCEQ, RR, 0x3c2, "fceq", _A3(A_T,A_A,A_B), 00112, FX2) /* FCEQ RT<-(RA=RB) */ -APUOP(M_FCMEQ, RR, 0x3ca, "fcmeq", _A3(A_T,A_A,A_B), 00112, FX2) /* FCMEQ RT<-(|RA|=|RB|) */ -APUOP(M_FCGT, RR, 0x2c2, "fcgt", _A3(A_T,A_A,A_B), 00112, FX2) /* FCGT RT<-(RA<RB) */ -APUOP(M_FCMGT, RR, 0x2ca, "fcmgt", _A3(A_T,A_A,A_B), 00112, FX2) /* FCMGT RT<-(|RA|<|RB|) */ -APUOP(M_AND, RR, 0x0c1, "and", _A3(A_T,A_A,A_B), 00112, FX2) /* AND RT<-RA&RB */ -APUOP(M_NAND, RR, 0x0c9, "nand", _A3(A_T,A_A,A_B), 00112, FX2) /* NAND RT<-!(RA&RB) */ -APUOP(M_OR, RR, 0x041, "or", _A3(A_T,A_A,A_B), 00112, FX2) /* OR RT<-RA|RB */ -APUOP(M_NOR, RR, 0x049, "nor", _A3(A_T,A_A,A_B), 00112, FX2) /* NOR RT<-!(RA&RB) */ -APUOP(M_XOR, RR, 0x241, "xor", _A3(A_T,A_A,A_B), 00112, FX2) /* XOR RT<-RA^RB */ -APUOP(M_EQV, RR, 0x249, "eqv", _A3(A_T,A_A,A_B), 00112, FX2) /* EQuiValent RT<-!(RA^RB) */ -APUOP(M_ANDC, RR, 0x2c1, "andc", _A3(A_T,A_A,A_B), 00112, FX2) /* ANDComplement RT<-RA&!RB */ -APUOP(M_ORC, RR, 0x2c9, "orc", _A3(A_T,A_A,A_B), 00112, FX2) /* ORComplement RT<-RA|!RB */ -APUOP(M_ABSDB, RR, 0x053, "absdb", _A3(A_T,A_A,A_B), 00112, FXB) /* ABSoluteDiff RT<-|RA-RB| */ -APUOP(M_AVGB, RR, 0x0d3, "avgb", _A3(A_T,A_A,A_B), 00112, FXB) /* AVG% RT<-(RA+RB+1)/2 */ -APUOP(M_SUMB, RR, 0x253, "sumb", _A3(A_T,A_A,A_B), 00112, FXB) /* SUM% RT<-f(RA,RB) */ -APUOP(M_DFA, RR, 0x2cc, "dfa", _A3(A_T,A_A,A_B), 00112, FPD) /* DFAdd RT<-RA+RB */ -APUOP(M_DFM, RR, 0x2ce, "dfm", _A3(A_T,A_A,A_B), 00112, FPD) /* DFMul RT<-RA*RB */ -APUOP(M_DFS, RR, 0x2cd, "dfs", _A3(A_T,A_A,A_B), 00112, FPD) /* DFSub RT<-RA-RB */ -APUOP(M_FA, RR, 0x2c4, "fa", _A3(A_T,A_A,A_B), 00112, FP6) /* FAdd RT<-RA+RB */ -APUOP(M_FM, RR, 0x2c6, "fm", _A3(A_T,A_A,A_B), 00112, FP6) /* FMul RT<-RA*RB */ -APUOP(M_FS, RR, 0x2c5, "fs", _A3(A_T,A_A,A_B), 00112, FP6) /* FSub RT<-RA-RB */ -APUOP(M_MPY, RR, 0x3c4, "mpy", _A3(A_T,A_A,A_B), 00112, FP7) /* MPY RT<-RA*RB */ -APUOP(M_MPYH, RR, 0x3c5, "mpyh", _A3(A_T,A_A,A_B), 00112, FP7) /* MPYH RT<-(RAh*RB)<<16 */ -APUOP(M_MPYHH, RR, 0x3c6, "mpyhh", _A3(A_T,A_A,A_B), 00112, FP7) /* MPYHH RT<-RAh*RBh */ -APUOP(M_MPYHHU, RR, 0x3ce, "mpyhhu", _A3(A_T,A_A,A_B), 00112, FP7) /* MPYHHU RT<-RAh*RBh */ -APUOP(M_MPYS, RR, 0x3c7, "mpys", _A3(A_T,A_A,A_B), 00112, FP7) /* MPYS RT<-(RA*RB)>>16 */ -APUOP(M_MPYU, RR, 0x3cc, "mpyu", _A3(A_T,A_A,A_B), 00112, FP7) /* MPYU RT<-RA*RB */ -APUOP(M_FI, RR, 0x3d4, "fi", _A3(A_T,A_A,A_B), 00112, FP7) /* FInterpolate RT<-f(RA,RB) */ -APUOP(M_ROT, RR, 0x058, "rot", _A3(A_T,A_A,A_B), 00112, FX3) /* ROT% RT<-RA<<<RB */ -APUOP(M_ROTM, RR, 0x059, "rotm", _A3(A_T,A_A,A_B), 00112, FX3) /* ROT%M RT<-RA<<Rb */ -APUOP(M_ROTMA, RR, 0x05a, "rotma", _A3(A_T,A_A,A_B), 00112, FX3) /* ROTMA% RT<-RA<<Rb */ -APUOP(M_SHL, RR, 0x05b, "shl", _A3(A_T,A_A,A_B), 00112, FX3) /* SHL% RT<-RA<<Rb */ -APUOP(M_ROTH, RR, 0x05c, "roth", _A3(A_T,A_A,A_B), 00112, FX3) /* ROT% RT<-RA<<<RB */ -APUOP(M_ROTHM, RR, 0x05d, "rothm", _A3(A_T,A_A,A_B), 00112, FX3) /* ROT%M RT<-RA<<Rb */ -APUOP(M_ROTMAH, RR, 0x05e, "rotmah", _A3(A_T,A_A,A_B), 00112, FX3) /* ROTMA% RT<-RA<<Rb */ -APUOP(M_SHLH, RR, 0x05f, "shlh", _A3(A_T,A_A,A_B), 00112, FX3) /* SHL% RT<-RA<<Rb */ -APUOP(M_MPYHHA, RR, 0x346, "mpyhha", _A3(A_T,A_A,A_B), 00113, FP7) /* MPYHHA RT<-RAh*RBh+RT */ -APUOP(M_MPYHHAU, RR, 0x34e, "mpyhhau", _A3(A_T,A_A,A_B), 00113, FP7) /* MPYHHAU RT<-RAh*RBh+RT */ -APUOP(M_DFMA, RR, 0x35c, "dfma", _A3(A_T,A_A,A_B), 00113, FPD) /* DFMAdd RT<-RT+RA*RB */ -APUOP(M_DFMS, RR, 0x35d, "dfms", _A3(A_T,A_A,A_B), 00113, FPD) /* DFMSub RT<-RA*RB-RT */ -APUOP(M_DFNMS, RR, 0x35e, "dfnms", _A3(A_T,A_A,A_B), 00113, FPD) /* DFNMSub RT<-RT-RA*RB */ -APUOP(M_DFNMA, RR, 0x35f, "dfnma", _A3(A_T,A_A,A_B), 00113, FPD) /* DFNMAdd RT<-(-RT)-RA*RB */ -APUOP(M_FMA, RRR, 0x700, "fma", _A4(A_C,A_A,A_B,A_T), 02111, FP6) /* FMAdd RC<-RT+RA*RB */ -APUOP(M_FMS, RRR, 0x780, "fms", _A4(A_C,A_A,A_B,A_T), 02111, FP6) /* FMSub RC<-RA*RB-RT */ -APUOP(M_FNMS, RRR, 0x680, "fnms", _A4(A_C,A_A,A_B,A_T), 02111, FP6) /* FNMSub RC<-RT-RA*RB */ -APUOP(M_MPYA, RRR, 0x600, "mpya", _A4(A_C,A_A,A_B,A_T), 02111, FP7) /* MPYA RC<-RA*RB+RT */ -APUOP(M_SELB, RRR, 0x400, "selb", _A4(A_C,A_A,A_B,A_T), 02111, FX2) /* SELectBits RC<-RA&RT|RB&!RT */ -/* for system function call, this uses op-code of mtspr */ -APUOP(M_SYSCALL, RI7, 0x10c, "syscall", _A3(A_T,A_A,A_S7N), 00002, SPR) /* System Call */ -/* -pseudo instruction: -system call -value of I9 operation -0 halt -1 rt[0] = open(MEM[ra[0]], ra[1]) -2 rt[0] = close(ra[0]) -3 rt[0] = read(ra[0], MEM[ra[1]], ra[2]) -4 rt[0] = write(ra[0], MEM[ra[1]], ra[2]) -5 printf(MEM[ra[0]], ra[1], ra[2], ra[3]) -42 rt[0] = clock() -52 rt[0] = lseek(ra0, ra1, ra2) - -*/ - - -/* new multiprecision add/sub */ -APUOP(M_ADDX, RR, 0x340, "addx", _A3(A_T,A_A,A_B), 00113, FX2) /* Add_eXtended RT<-RA+RB+RT */ -APUOP(M_CG, RR, 0x0c2, "cg", _A3(A_T,A_A,A_B), 00112, FX2) /* CarryGenerate RT<-cout(RA+RB) */ -APUOP(M_CGX, RR, 0x342, "cgx", _A3(A_T,A_A,A_B), 00113, FX2) /* CarryGen_eXtd RT<-cout(RA+RB+RT) */ -APUOP(M_SFX, RR, 0x341, "sfx", _A3(A_T,A_A,A_B), 00113, FX2) /* Add_eXtended RT<-RA+RB+RT */ -APUOP(M_BG, RR, 0x042, "bg", _A3(A_T,A_A,A_B), 00112, FX2) /* CarryGenerate RT<-cout(RA+RB) */ -APUOP(M_BGX, RR, 0x343, "bgx", _A3(A_T,A_A,A_B), 00113, FX2) /* CarryGen_eXtd RT<-cout(RA+RB+RT) */ - -/* - -The following ops are a subset of above except with feature bits set. -Feature bits are bits 11-17 of the instruction: - - 11 - C & P feature bit - 12 - disable interrupts - 13 - enable interrupts - -*/ -APUOPFB(M_BID, RR, 0x1a8, 0x20, "bid", _A1(A_A), 00010, BR) /* BI IP<-RA */ -APUOPFB(M_BIE, RR, 0x1a8, 0x10, "bie", _A1(A_A), 00010, BR) /* BI IP<-RA */ -APUOPFB(M_BISLD, RR, 0x1a9, 0x20, "bisld", _A2(A_T,A_A), 00012, BR) /* BISL RT,IP<-IP,RA */ -APUOPFB(M_BISLE, RR, 0x1a9, 0x10, "bisle", _A2(A_T,A_A), 00012, BR) /* BISL RT,IP<-IP,RA */ -APUOPFB(M_IRETD, RR, 0x1aa, 0x20, "iretd", _A1(A_A), 00010, BR) /* IRET IP<-SRR0 */ -APUOPFB(M_IRETD2, RR, 0x1aa, 0x20, "iretd", _A0(), 00010, BR) /* IRET IP<-SRR0 */ -APUOPFB(M_IRETE, RR, 0x1aa, 0x10, "irete", _A1(A_A), 00010, BR) /* IRET IP<-SRR0 */ -APUOPFB(M_IRETE2, RR, 0x1aa, 0x10, "irete", _A0(), 00010, BR) /* IRET IP<-SRR0 */ -APUOPFB(M_BISLEDD, RR, 0x1ab, 0x20, "bisledd", _A2(A_T,A_A), 00012, BR) /* BISLED RT,IP<-IP,RA_if(ext) */ -APUOPFB(M_BISLEDE, RR, 0x1ab, 0x10, "bislede", _A2(A_T,A_A), 00012, BR) /* BISLED RT,IP<-IP,RA_if(ext) */ -APUOPFB(M_BIHNZD, RR, 0x12b, 0x20, "bihnzd", _A2(A_T,A_A), 00011, BR) /* BIHNZ IP<-RA_if(RT) */ -APUOPFB(M_BIHNZE, RR, 0x12b, 0x10, "bihnze", _A2(A_T,A_A), 00011, BR) /* BIHNZ IP<-RA_if(RT) */ -APUOPFB(M_BIHZD, RR, 0x12a, 0x20, "bihzd", _A2(A_T,A_A), 00011, BR) /* BIHZ IP<-RA_if(RT) */ -APUOPFB(M_BIHZE, RR, 0x12a, 0x10, "bihze", _A2(A_T,A_A), 00011, BR) /* BIHZ IP<-RA_if(RT) */ -APUOPFB(M_BINZD, RR, 0x129, 0x20, "binzd", _A2(A_T,A_A), 00011, BR) /* BINZ IP<-RA_if(RT) */ -APUOPFB(M_BINZE, RR, 0x129, 0x10, "binze", _A2(A_T,A_A), 00011, BR) /* BINZ IP<-RA_if(RT) */ -APUOPFB(M_BIZD, RR, 0x128, 0x20, "bizd", _A2(A_T,A_A), 00011, BR) /* BIZ IP<-RA_if(RT) */ -APUOPFB(M_BIZE, RR, 0x128, 0x10, "bize", _A2(A_T,A_A), 00011, BR) /* BIZ IP<-RA_if(RT) */ -APUOPFB(M_SYNCC, RR, 0x002, 0x40, "syncc", _A0(), 00000, BR) /* SYNCC flush_pipe */ -APUOPFB(M_HBRP, LBTI, 0x1ac, 0x40, "hbrp", _A0(), 00010, LS) /* HBR BTB[B9]<-M[Ra] */ - -/* Synonyms required by the AS manual. */ -APUOP(M_LR, RI10, 0x020, "lr", _A2(A_T,A_A), 00012, FX2) /* OR%I RT<-RA|I10 */ -APUOP(M_BIHT, RR, 0x12b, "biht", _A2(A_T,A_A), 00011, BR) /* BIHNZ IP<-RA_if(RT) */ -APUOP(M_BIHF, RR, 0x12a, "bihf", _A2(A_T,A_A), 00011, BR) /* BIHZ IP<-RA_if(RT) */ -APUOP(M_BIT, RR, 0x129, "bit", _A2(A_T,A_A), 00011, BR) /* BINZ IP<-RA_if(RT) */ -APUOP(M_BIF, RR, 0x128, "bif", _A2(A_T,A_A), 00011, BR) /* BIZ IP<-RA_if(RT) */ -APUOPFB(M_BIHTD, RR, 0x12b, 0x20, "bihtd", _A2(A_T,A_A), 00011, BR) /* BIHNF IP<-RA_if(RT) */ -APUOPFB(M_BIHTE, RR, 0x12b, 0x10, "bihte", _A2(A_T,A_A), 00011, BR) /* BIHNF IP<-RA_if(RT) */ -APUOPFB(M_BIHFD, RR, 0x12a, 0x20, "bihfd", _A2(A_T,A_A), 00011, BR) /* BIHZ IP<-RA_if(RT) */ -APUOPFB(M_BIHFE, RR, 0x12a, 0x10, "bihfe", _A2(A_T,A_A), 00011, BR) /* BIHZ IP<-RA_if(RT) */ -APUOPFB(M_BITD, RR, 0x129, 0x20, "bitd", _A2(A_T,A_A), 00011, BR) /* BINF IP<-RA_if(RT) */ -APUOPFB(M_BITE, RR, 0x129, 0x10, "bite", _A2(A_T,A_A), 00011, BR) /* BINF IP<-RA_if(RT) */ -APUOPFB(M_BIFD, RR, 0x128, 0x20, "bifd", _A2(A_T,A_A), 00011, BR) /* BIZ IP<-RA_if(RT) */ -APUOPFB(M_BIFE, RR, 0x128, 0x10, "bife", _A2(A_T,A_A), 00011, BR) /* BIZ IP<-RA_if(RT) */ - -#undef _A0 -#undef _A1 -#undef _A2 -#undef _A3 -#undef _A4 diff --git a/arch/powerpc/xmon/spu-opc.c b/arch/powerpc/xmon/spu-opc.c deleted file mode 100644 index 6d8197cc540b..000000000000 --- a/arch/powerpc/xmon/spu-opc.c +++ /dev/null @@ -1,34 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* SPU opcode list - - Copyright 2006 Free Software Foundation, Inc. - - This file is part of GDB, GAS, and the GNU binutils. - - */ - -#include <linux/kernel.h> -#include <linux/bug.h> -#include "spu.h" - -/* This file holds the Spu opcode table */ - - -/* - Example contents of spu-insn.h - id_tag mode mode type opcode mnemonic asmtype dependency FPU L/S? branch? instruction - QUAD WORD (0,RC,RB,RA,RT) latency - APUOP(M_LQD, 1, 0, RI9, 0x1f8, "lqd", ASM_RI9IDX, 00012, FXU, 1, 0) Load Quadword d-form - */ - -const struct spu_opcode spu_opcodes[] = { -#define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \ - { MACFORMAT, OPCODE, MNEMONIC, ASMFORMAT }, -#define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \ - { MACFORMAT, OPCODE, MNEMONIC, ASMFORMAT }, -#include "spu-insns.h" -#undef APUOP -#undef APUOPFB -}; - -const int spu_num_opcodes = ARRAY_SIZE(spu_opcodes); diff --git a/arch/powerpc/xmon/spu.h b/arch/powerpc/xmon/spu.h deleted file mode 100644 index 2d13b1a5fa87..000000000000 --- a/arch/powerpc/xmon/spu.h +++ /dev/null @@ -1,115 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* SPU ELF support for BFD. - - Copyright 2006 Free Software Foundation, Inc. - - This file is part of GDB, GAS, and the GNU binutils. - - */ - - -/* These two enums are from rel_apu/common/spu_asm_format.h */ -/* definition of instruction format */ -typedef enum { - RRR, - RI18, - RI16, - RI10, - RI8, - RI7, - RR, - LBT, - LBTI, - IDATA, - UNKNOWN_IFORMAT -} spu_iformat; - -/* These values describe assembly instruction arguments. They indicate - * how to encode, range checking and which relocation to use. */ -typedef enum { - A_T, /* register at pos 0 */ - A_A, /* register at pos 7 */ - A_B, /* register at pos 14 */ - A_C, /* register at pos 21 */ - A_S, /* special purpose register at pos 7 */ - A_H, /* channel register at pos 7 */ - A_P, /* parenthesis, this has to separate regs from immediates */ - A_S3, - A_S6, - A_S7N, - A_S7, - A_U7A, - A_U7B, - A_S10B, - A_S10, - A_S11, - A_S11I, - A_S14, - A_S16, - A_S18, - A_R18, - A_U3, - A_U5, - A_U6, - A_U7, - A_U14, - A_X16, - A_U18, - A_MAX -} spu_aformat; - -enum spu_insns { -#define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \ - TAG, -#define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \ - TAG, -#include "spu-insns.h" -#undef APUOP -#undef APUOPFB - M_SPU_MAX -}; - -struct spu_opcode -{ - spu_iformat insn_type; - unsigned int opcode; - char *mnemonic; - int arg[5]; -}; - -#define SIGNED_EXTRACT(insn,size,pos) (((int)((insn) << (32-size-pos))) >> (32-size)) -#define UNSIGNED_EXTRACT(insn,size,pos) (((insn) >> pos) & ((1 << size)-1)) - -#define DECODE_INSN_RT(insn) (insn & 0x7f) -#define DECODE_INSN_RA(insn) ((insn >> 7) & 0x7f) -#define DECODE_INSN_RB(insn) ((insn >> 14) & 0x7f) -#define DECODE_INSN_RC(insn) ((insn >> 21) & 0x7f) - -#define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14) -#define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14) - -/* For branching, immediate loads, hbr and lqa/stqa. */ -#define DECODE_INSN_I16(insn) SIGNED_EXTRACT(insn,16,7) -#define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT(insn,16,7) - -/* for stop */ -#define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT(insn,14,0) - -/* For ila */ -#define DECODE_INSN_I18(insn) SIGNED_EXTRACT(insn,18,7) -#define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT(insn,18,7) - -/* For rotate and shift and generate control mask */ -#define DECODE_INSN_I7(insn) SIGNED_EXTRACT(insn,7,14) -#define DECODE_INSN_U7(insn) UNSIGNED_EXTRACT(insn,7,14) - -/* For float <-> int conversion */ -#define DECODE_INSN_I8(insn) SIGNED_EXTRACT(insn,8,14) -#define DECODE_INSN_U8(insn) UNSIGNED_EXTRACT(insn,8,14) - -/* For hbr */ -#define DECODE_INSN_I9a(insn) ((SIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0)) -#define DECODE_INSN_I9b(insn) ((SIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0)) -#define DECODE_INSN_U9a(insn) ((UNSIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0)) -#define DECODE_INSN_U9b(insn) ((UNSIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0)) - diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index a7056049709e..cb3a3244ae6f 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -26,16 +26,14 @@ #include <linux/ctype.h> #include <linux/highmem.h> #include <linux/security.h> +#include <linux/debugfs.h> -#include <asm/debugfs.h> #include <asm/ptrace.h> #include <asm/smp.h> #include <asm/string.h> -#include <asm/prom.h> #include <asm/machdep.h> #include <asm/xmon.h> #include <asm/processor.h> -#include <asm/pgtable.h> #include <asm/mmu.h> #include <asm/mmu_context.h> #include <asm/plpar_wrappers.h> @@ -43,8 +41,6 @@ #include <asm/rtas.h> #include <asm/sstep.h> #include <asm/irq_regs.h> -#include <asm/spu.h> -#include <asm/spu_priv1.h> #include <asm/setjmp.h> #include <asm/reg.h> #include <asm/debug.h> @@ -52,41 +48,46 @@ #include <asm/xive.h> #include <asm/opal.h> #include <asm/firmware.h> -#include <asm/code-patching.h> +#include <asm/text-patching.h> #include <asm/sections.h> +#include <asm/inst.h> +#include <asm/interrupt.h> #ifdef CONFIG_PPC64 #include <asm/hvcall.h> #include <asm/paca.h> +#include <asm/lppaca.h> #endif #include "nonstdio.h" #include "dis-asm.h" +#include "xmon_bpts.h" #ifdef CONFIG_SMP static cpumask_t cpus_in_xmon = CPU_MASK_NONE; static unsigned long xmon_taken = 1; static int xmon_owner; static int xmon_gate; +static int xmon_batch; +static unsigned long xmon_batch_start_cpu; +static cpumask_t xmon_batch_cpus = CPU_MASK_NONE; #else #define xmon_owner 0 #endif /* CONFIG_SMP */ -#ifdef CONFIG_PPC_PSERIES -static int set_indicator_token = RTAS_UNKNOWN_SERVICE; -#endif static unsigned long in_xmon __read_mostly = 0; static int xmon_on = IS_ENABLED(CONFIG_XMON_DEFAULT); static bool xmon_is_ro = IS_ENABLED(CONFIG_XMON_DEFAULT_RO_MODE); static unsigned long adrs; static int size = 1; -#define MAX_DUMP (128 * 1024) +#define MAX_DUMP (64 * 1024) static unsigned long ndump = 64; +#define MAX_IDUMP (MAX_DUMP >> 2) static unsigned long nidump = 16; static unsigned long ncsum = 4096; static int termch; -static char tmpstr[128]; +static char tmpstr[KSYM_NAME_LEN]; static int tracing_enabled; static long bus_error_jmp[JMP_BUF_LEN]; @@ -97,7 +98,7 @@ static long *xmon_fault_jmp[NR_CPUS]; /* Breakpoint stuff */ struct bpt { unsigned long address; - unsigned int instr[2]; + u32 *instr; atomic_t ref_count; int enabled; unsigned long pad; @@ -108,11 +109,10 @@ struct bpt { #define BP_TRAP 2 #define BP_DABR 4 -#define NBPTS 256 static struct bpt bpts[NBPTS]; -static struct bpt dabr; +static struct bpt dabr[HBP_NUM_MAX]; static struct bpt *iabr; -static unsigned bpinstr = 0x7fe00008; /* trap */ +static unsigned int bpinstr = PPC_RAW_TRAP(); #define BP_NUM(bp) ((bp) - bpts + 1) @@ -120,6 +120,7 @@ static unsigned bpinstr = 0x7fe00008; /* trap */ static int cmds(struct pt_regs *); static int mread(unsigned long, void *, int); static int mwrite(unsigned long, void *, int); +static int mread_instr(unsigned long, ppc_inst_t *); static int handle_fault(struct pt_regs *); static void byterev(unsigned char *, int); static void memex(void); @@ -130,6 +131,12 @@ static void prdump(unsigned long, long); static int ppc_inst_dump(unsigned long, long, int); static void dump_log_buf(void); +#ifdef CONFIG_SMP +static int xmon_switch_cpu(unsigned long); +static int xmon_batch_next_cpu(void); +static int batch_cmds(struct pt_regs *); +#endif + #ifdef CONFIG_PPC_POWERNV static void dump_opal_msglog(void); #else @@ -179,12 +186,10 @@ static void xmon_print_symbol(unsigned long address, const char *mid, const char *after); static const char *getvecname(unsigned long vec); -static int do_spu_cmd(void); - #ifdef CONFIG_44x static void dump_tlb_44x(void); #endif -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 static void dump_tlb_book3e(void); #endif @@ -213,7 +218,8 @@ Commands:\n\ #ifdef CONFIG_SMP "\ c print cpus stopped in xmon\n\ - c# try to switch to cpu number h (in hex)\n" + c# try to switch to cpu number h (in hex)\n\ + c# $ run command '$' (one of 'r','S' or 't') on all cpus in xmon\n" #endif "\ C checksum\n\ @@ -262,13 +268,6 @@ Commands:\n\ P list processes/tasks\n\ r print registers\n\ s single step\n" -#ifdef CONFIG_SPU_BASE -" ss stop execution on all spus\n\ - sr restore execution on stopped spus\n\ - sf # dump spu fields for spu # (in hex)\n\ - sd # dump spu local store for spu # (in hex)\n\ - sdi # disassemble spu local store for spu # (in hex)\n" -#endif " S print special registers\n\ Sa print all SPRs\n\ Sr # read SPR #\n\ @@ -276,11 +275,11 @@ Commands:\n\ t print backtrace\n\ x exit monitor and recover\n\ X exit monitor and don't recover\n" -#if defined(CONFIG_PPC64) && !defined(CONFIG_PPC_BOOK3E) +#if defined(CONFIG_PPC_BOOK3S_64) " u dump segment table or SLB\n" #elif defined(CONFIG_PPC_BOOK3S_32) " u dump segment registers\n" -#elif defined(CONFIG_44x) || defined(CONFIG_PPC_BOOK3E) +#elif defined(CONFIG_44x) || defined(CONFIG_PPC_BOOK3E_64) " u dump TLB\n" #endif " U show uptime information\n" @@ -325,11 +324,6 @@ static inline void sync(void) asm volatile("sync; isync"); } -static inline void store_inst(void *p) -{ - asm volatile ("dcbst 0,%0; sync; icbi 0,%0; isync" : : "r" (p)); -} - static inline void cflush(void *p) { asm volatile ("dcbf 0,%0; icbi 0,%0" : : "r" (p)); @@ -365,7 +359,7 @@ static void write_ciabr(unsigned long ciabr) * set_ciabr() - set the CIABR * @addr: The value to set. * - * This function sets the correct privilege value into the the HW + * This function sets the correct privilege value into the HW * breakpoint address before writing it up in the CIABR register. */ static void set_ciabr(unsigned long addr) @@ -391,6 +385,7 @@ static inline void disable_surveillance(void) #ifdef CONFIG_PPC_PSERIES /* Since this can't be a module, args should end up below 4GB. */ static struct rtas_args args; + const s32 token = rtas_function_token(RTAS_FN_SET_INDICATOR); /* * At this point we have got all the cpus we can into @@ -399,10 +394,10 @@ static inline void disable_surveillance(void) * If we did try to take rtas.lock there would be a * real possibility of deadlock. */ - if (set_indicator_token == RTAS_UNKNOWN_SERVICE) + if (token == RTAS_UNKNOWN_SERVICE) return; - rtas_call_unlocked(&args, set_indicator_token, 3, 1, NULL, + rtas_call_unlocked(&args, token, 3, 1, NULL, SURVEILLANCE_TOKEN, 0, 0); #endif /* CONFIG_PPC_PSERIES */ @@ -474,20 +469,17 @@ static inline void get_output_lock(void) {} static inline void release_output_lock(void) {} #endif -static inline int unrecoverable_excp(struct pt_regs *regs) +static void xmon_touch_watchdogs(void) { -#if defined(CONFIG_4xx) || defined(CONFIG_PPC_BOOK3E) - /* We have no MSR_RI bit on 4xx or Book3e, so we simply return false */ - return 0; -#else - return ((regs->msr & MSR_RI) == 0); -#endif + touch_softlockup_watchdog_sync(); + rcu_cpu_stall_reset(); + touch_nmi_watchdog(); } -static int xmon_core(struct pt_regs *regs, int fromipi) +static int xmon_core(struct pt_regs *regs, volatile int fromipi) { - int cmd = 0; - struct bpt *bp; + volatile int cmd = 0; + struct bpt *volatile bp; long recurse_jmp[JMP_BUF_LEN]; bool locked_down; unsigned long offset; @@ -509,7 +501,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) bp = in_breakpoint_table(regs->nip, &offset); if (bp != NULL) { - regs->nip = bp->address + offset; + regs_set_return_ip(regs, bp->address + offset); atomic_dec(&bp->ref_count); } @@ -550,7 +542,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) bp = NULL; if ((regs->msr & (MSR_IR|MSR_PR|MSR_64BIT)) == (MSR_IR|MSR_64BIT)) bp = at_breakpoint(regs->nip); - if (bp || unrecoverable_excp(regs)) + if (bp || regs_is_unrecoverable(regs)) fromipi = 0; if (!fromipi) { @@ -562,7 +554,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) cpu, BP_NUM(bp)); xmon_print_symbol(regs->nip, " ", ")\n"); } - if (unrecoverable_excp(regs)) + if (regs_is_unrecoverable(regs)) printf("WARNING: exception is not recoverable, " "can't continue\n"); release_output_lock(); @@ -601,7 +593,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) * debugger break (IPI). This is similar to * crash_kexec_secondary(). */ - if (TRAP(regs) != 0x100 || !wait_for_other_cpus(ncpus)) + if (TRAP(regs) != INTERRUPT_SYSTEM_RESET || !wait_for_other_cpus(ncpus)) smp_send_debugger_break(); wait_for_other_cpus(ncpus); @@ -611,7 +603,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) if (!locked_down) { /* for breakpoint or single step, print curr insn */ - if (bp || TRAP(regs) == 0xd00) + if (bp || TRAP(regs) == INTERRUPT_TRACE) ppc_inst_dump(regs->nip, 1, 0); printf("enter ? for help\n"); } @@ -639,7 +631,10 @@ static int xmon_core(struct pt_regs *regs, int fromipi) spin_cpu_relax(); touch_nmi_watchdog(); } else { - if (!locked_down) + cmd = 1; + if (xmon_batch) + cmd = batch_cmds(regs); + if (!locked_down && cmd) cmd = cmds(regs); if (locked_down || cmd != 0) { /* exiting xmon */ @@ -673,14 +668,14 @@ static int xmon_core(struct pt_regs *regs, int fromipi) printf("Stopped at breakpoint %tx (", BP_NUM(bp)); xmon_print_symbol(regs->nip, " ", ")\n"); } - if (unrecoverable_excp(regs)) + if (regs_is_unrecoverable(regs)) printf("WARNING: exception is not recoverable, " "can't continue\n"); remove_bpts(); disable_surveillance(); if (!locked_down) { /* for breakpoint or single step, print current insn */ - if (bp || TRAP(regs) == 0xd00) + if (bp || TRAP(regs) == INTERRUPT_TRACE) ppc_inst_dump(regs->nip, 1, 0); printf("enter ? for help\n"); } @@ -697,7 +692,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) if (regs->msr & MSR_DE) { bp = at_breakpoint(regs->nip); if (bp != NULL) { - regs->nip = (unsigned long) &bp->instr[0]; + regs_set_return_ip(regs, (unsigned long) &bp->instr[0]); atomic_inc(&bp->ref_count); } } @@ -705,13 +700,13 @@ static int xmon_core(struct pt_regs *regs, int fromipi) if ((regs->msr & (MSR_IR|MSR_PR|MSR_64BIT)) == (MSR_IR|MSR_64BIT)) { bp = at_breakpoint(regs->nip); if (bp != NULL) { - int stepped = emulate_step(regs, bp->instr[0]); + int stepped = emulate_step(regs, ppc_inst_read(bp->instr)); if (stepped == 0) { - regs->nip = (unsigned long) &bp->instr[0]; + regs_set_return_ip(regs, (unsigned long) &bp->instr[0]); atomic_inc(&bp->ref_count); } else if (stepped < 0) { printf("Couldn't single-step %s instruction\n", - (IS_RFID(bp->instr[0])? "rfid": "mtmsrd")); + IS_RFID(ppc_inst_read(bp->instr))? "rfid": "mtmsrd"); } } } @@ -721,7 +716,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) else insert_cpu_bpts(); - touch_nmi_watchdog(); + xmon_touch_watchdogs(); local_irq_restore(flags); return cmd != 'X' && cmd != EOF; @@ -760,8 +755,8 @@ static int xmon_bpt(struct pt_regs *regs) /* Are we at the trap at bp->instr[1] for some bp? */ bp = in_breakpoint_table(regs->nip, &offset); - if (bp != NULL && offset == 4) { - regs->nip = bp->address + 4; + if (bp != NULL && (offset == 4 || offset == 8)) { + regs_set_return_ip(regs, bp->address + offset); atomic_dec(&bp->ref_count); return 1; } @@ -786,10 +781,17 @@ static int xmon_sstep(struct pt_regs *regs) static int xmon_break_match(struct pt_regs *regs) { + int i; + if ((regs->msr & (MSR_IR|MSR_PR|MSR_64BIT)) != (MSR_IR|MSR_64BIT)) return 0; - if (dabr.enabled == 0) - return 0; + for (i = 0; i < nr_wp_slots(); i++) { + if (dabr[i].enabled) + goto found; + } + return 0; + +found: xmon_core(regs, 0); return 1; } @@ -824,7 +826,7 @@ static int xmon_fault_handler(struct pt_regs *regs) if ((regs->msr & (MSR_IR|MSR_PR|MSR_64BIT)) == (MSR_IR|MSR_64BIT)) { bp = in_breakpoint_table(regs->nip, &offset); if (bp != NULL) { - regs->nip = bp->address + offset; + regs_set_return_ip(regs, bp->address + offset); atomic_dec(&bp->ref_count); } } @@ -845,7 +847,7 @@ static inline void force_enable_xmon(void) static struct bpt *at_breakpoint(unsigned long pc) { int i; - struct bpt *bp; + struct bpt *volatile bp; bp = bpts; for (i = 0; i < NBPTS; ++i, ++bp) @@ -858,15 +860,13 @@ static struct bpt *in_breakpoint_table(unsigned long nip, unsigned long *offp) { unsigned long off; - off = nip - (unsigned long) bpts; - if (off >= sizeof(bpts)) + off = nip - (unsigned long)bpt_table; + if (off >= sizeof(bpt_table)) return NULL; - off %= sizeof(struct bpt); - if (off != offsetof(struct bpt, instr[0]) - && off != offsetof(struct bpt, instr[1])) + *offp = off & (BPT_SIZE - 1); + if (off & 3) return NULL; - *offp = off - offsetof(struct bpt, instr[0]); - return (struct bpt *) (nip - off); + return bpts + (off / BPT_SIZE); } static struct bpt *new_breakpoint(unsigned long a) @@ -881,8 +881,7 @@ static struct bpt *new_breakpoint(unsigned long a) for (bp = bpts; bp < &bpts[NBPTS]; ++bp) { if (!bp->enabled && atomic_read(&bp->ref_count) == 0) { bp->address = a; - bp->instr[1] = bpinstr; - store_inst(&bp->instr[1]); + bp->instr = (void *)(bpt_table + ((bp - bpts) * BPT_WORDS)); return bp; } } @@ -894,47 +893,76 @@ static struct bpt *new_breakpoint(unsigned long a) static void insert_bpts(void) { int i; - struct bpt *bp; + ppc_inst_t instr, instr2; + struct bpt *bp, *bp2; bp = bpts; for (i = 0; i < NBPTS; ++i, ++bp) { if ((bp->enabled & (BP_TRAP|BP_CIABR)) == 0) continue; - if (mread(bp->address, &bp->instr[0], 4) != 4) { + if (!mread_instr(bp->address, &instr)) { printf("Couldn't read instruction at %lx, " "disabling breakpoint there\n", bp->address); bp->enabled = 0; continue; } - if (IS_MTMSRD(bp->instr[0]) || IS_RFID(bp->instr[0])) { - printf("Breakpoint at %lx is on an mtmsrd or rfid " - "instruction, disabling it\n", bp->address); + if (!can_single_step(ppc_inst_val(instr))) { + printf("Breakpoint at %lx is on an instruction that can't be single stepped, disabling it\n", + bp->address); + bp->enabled = 0; + continue; + } + /* + * Check the address is not a suffix by looking for a prefix in + * front of it. + */ + if (mread_instr(bp->address - 4, &instr2) == 8) { + printf("Breakpoint at %lx is on the second word of a prefixed instruction, disabling it\n", + bp->address); + bp->enabled = 0; + continue; + } + /* + * We might still be a suffix - if the prefix has already been + * replaced by a breakpoint we won't catch it with the above + * test. + */ + bp2 = at_breakpoint(bp->address - 4); + if (bp2 && ppc_inst_prefixed(ppc_inst_read(bp2->instr))) { + printf("Breakpoint at %lx is on the second word of a prefixed instruction, disabling it\n", + bp->address); bp->enabled = 0; continue; } - store_inst(&bp->instr[0]); + + patch_instruction(bp->instr, instr); + patch_instruction(ppc_inst_next(bp->instr, bp->instr), + ppc_inst(bpinstr)); if (bp->enabled & BP_CIABR) continue; - if (patch_instruction((unsigned int *)bp->address, - bpinstr) != 0) { + if (patch_instruction((u32 *)bp->address, + ppc_inst(bpinstr)) != 0) { printf("Couldn't write instruction at %lx, " "disabling breakpoint there\n", bp->address); bp->enabled &= ~BP_TRAP; continue; } - store_inst((void *)bp->address); } } static void insert_cpu_bpts(void) { + int i; struct arch_hw_breakpoint brk; - if (dabr.enabled) { - brk.address = dabr.address; - brk.type = (dabr.enabled & HW_BRK_TYPE_DABR) | HW_BRK_TYPE_PRIV_ALL; - brk.len = DABR_MAX_LEN; - __set_breakpoint(&brk); + for (i = 0; i < nr_wp_slots(); i++) { + if (dabr[i].enabled) { + brk.address = dabr[i].address; + brk.type = (dabr[i].enabled & HW_BRK_TYPE_DABR) | HW_BRK_TYPE_PRIV_ALL; + brk.len = 8; + brk.hw_len = 8; + __set_breakpoint(i, &brk); + } } if (iabr) @@ -945,20 +973,18 @@ static void remove_bpts(void) { int i; struct bpt *bp; - unsigned instr; + ppc_inst_t instr; bp = bpts; for (i = 0; i < NBPTS; ++i, ++bp) { if ((bp->enabled & (BP_TRAP|BP_CIABR)) != BP_TRAP) continue; - if (mread(bp->address, &instr, 4) == 4 - && instr == bpinstr + if (mread_instr(bp->address, &instr) + && ppc_inst_equal(instr, ppc_inst(bpinstr)) && patch_instruction( - (unsigned int *)bp->address, bp->instr[0]) != 0) + (u32 *)bp->address, ppc_inst_read(bp->instr)) != 0) printf("Couldn't remove breakpoint at %lx\n", bp->address); - else - store_inst((void *)bp->address); } } @@ -1046,7 +1072,7 @@ cmds(struct pt_regs *excp) memzcan(); break; case 'i': - show_mem(0, NULL); + show_mem(); break; default: termch = cmd; @@ -1075,8 +1101,6 @@ cmds(struct pt_regs *excp) cacheflush(); break; case 's': - if (do_spu_cmd() == 0) - break; if (do_step(excp)) return cmd; break; @@ -1118,7 +1142,7 @@ cmds(struct pt_regs *excp) case 'P': show_tasks(); break; -#ifdef CONFIG_PPC_BOOK3S +#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_64S_HASH_MMU) case 'u': dump_segments(); break; @@ -1126,7 +1150,7 @@ cmds(struct pt_regs *excp) case 'u': dump_tlb_44x(); break; -#elif defined(CONFIG_PPC_BOOK3E) +#elif defined(CONFIG_PPC_BOOK3E_64) case 'u': dump_tlb_book3e(); break; @@ -1152,7 +1176,7 @@ cmds(struct pt_regs *excp) #ifdef CONFIG_BOOKE static int do_step(struct pt_regs *regs) { - regs->msr |= MSR_DE; + regs_set_return_msr(regs, regs->msr | MSR_DE); mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM); return 1; } @@ -1163,13 +1187,13 @@ static int do_step(struct pt_regs *regs) */ static int do_step(struct pt_regs *regs) { - unsigned int instr; + ppc_inst_t instr; int stepped; force_enable_xmon(); /* check we are in 64-bit kernel mode, translation enabled */ if ((regs->msr & (MSR_64BIT|MSR_PR|MSR_IR)) == (MSR_64BIT|MSR_IR)) { - if (mread(regs->nip, &instr, 4) == 4) { + if (mread_instr(regs->nip, &instr)) { stepped = emulate_step(regs, instr); if (stepped < 0) { printf("Couldn't single-step %s instruction\n", @@ -1177,7 +1201,7 @@ static int do_step(struct pt_regs *regs) return 0; } if (stepped > 0) { - regs->trap = 0xd00 | (regs->trap & 1); + set_trap(regs, 0xd00); printf("stepped to "); xmon_print_symbol(regs->nip, " ", "\n"); ppc_inst_dump(regs->nip, 1, 0); @@ -1185,32 +1209,131 @@ static int do_step(struct pt_regs *regs) } } } - regs->msr |= MSR_SE; + regs_set_return_msr(regs, regs->msr | MSR_SE); return 1; } #endif static void bootcmds(void) { + char tmp[64]; int cmd; cmd = inchar(); - if (cmd == 'r') - ppc_md.restart(NULL); - else if (cmd == 'h') + if (cmd == 'r') { + getstring(tmp, 64); + ppc_md.restart(tmp); + } else if (cmd == 'h') { ppc_md.halt(); - else if (cmd == 'p') - if (pm_power_off) - pm_power_off(); + } else if (cmd == 'p') { + do_kernel_power_off(); + } +} + +#ifdef CONFIG_SMP +static int xmon_switch_cpu(unsigned long cpu) +{ + int timeout; + + xmon_taken = 0; + mb(); + xmon_owner = cpu; + timeout = 10000000; + while (!xmon_taken) { + if (--timeout == 0) { + if (test_and_set_bit(0, &xmon_taken)) + break; + /* take control back */ + mb(); + xmon_owner = smp_processor_id(); + printf("cpu 0x%lx didn't take control\n", cpu); + return 0; + } + barrier(); + } + return 1; +} + +static int xmon_batch_next_cpu(void) +{ + unsigned long cpu; + + for_each_cpu_wrap(cpu, &xmon_batch_cpus, xmon_batch_start_cpu) { + if (xmon_batch_start_cpu == -1) + xmon_batch_start_cpu = cpu; + if (xmon_switch_cpu(cpu)) + return 0; + cpumask_clear_cpu(cpu, &xmon_batch_cpus); + } + + xmon_batch = 0; + printf("%x:mon> \n", smp_processor_id()); + return 1; +} + +static int batch_cmds(struct pt_regs *excp) +{ + int cmd; + + /* simulate command entry */ + cmd = xmon_batch; + termch = '\n'; + + last_cmd = NULL; + xmon_regs = excp; + + printf("%x:", smp_processor_id()); + printf("mon> "); + printf("%c\n", (char)cmd); + + switch (cmd) { + case 'r': + prregs(excp); /* print regs */ + break; + case 'S': + super_regs(); + break; + case 't': + backtrace(excp); + break; + } + + cpumask_clear_cpu(smp_processor_id(), &xmon_batch_cpus); + + return xmon_batch_next_cpu(); } static int cpu_cmd(void) { -#ifdef CONFIG_SMP unsigned long cpu, first_cpu, last_cpu; - int timeout; - if (!scanhex(&cpu)) { + cpu = skipbl(); + if (cpu == '#') { + xmon_batch = skipbl(); + if (xmon_batch) { + switch (xmon_batch) { + case 'r': + case 'S': + case 't': + cpumask_copy(&xmon_batch_cpus, &cpus_in_xmon); + if (cpumask_weight(&xmon_batch_cpus) <= 1) { + printf("There are no other cpus in xmon\n"); + break; + } + xmon_batch_start_cpu = -1; + if (!xmon_batch_next_cpu()) + return 1; + break; + default: + printf("c# only supports 'r', 'S' and 't' commands\n"); + } + xmon_batch = 0; + return 0; + } + } + termch = cpu; + + if (!scanhex(&cpu) || cpu >= num_possible_cpus()) { /* print cpus waiting or in xmon */ printf("cpus stopped:"); last_cpu = first_cpu = NR_CPUS; @@ -1240,27 +1363,15 @@ static int cpu_cmd(void) #endif return 0; } - xmon_taken = 0; - mb(); - xmon_owner = cpu; - timeout = 10000000; - while (!xmon_taken) { - if (--timeout == 0) { - if (test_and_set_bit(0, &xmon_taken)) - break; - /* take control back */ - mb(); - xmon_owner = smp_processor_id(); - printf("cpu 0x%lx didn't take control\n", cpu); - return 0; - } - barrier(); - } - return 1; + + return xmon_switch_cpu(cpu); +} #else +static int cpu_cmd(void) +{ return 0; -#endif /* CONFIG_SMP */ } +#endif /* CONFIG_SMP */ static unsigned short fcstab[256] = { 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, @@ -1326,25 +1437,53 @@ csum(void) */ static long check_bp_loc(unsigned long addr) { - unsigned int instr; + ppc_inst_t instr; addr &= ~3; if (!is_kernel_addr(addr)) { printf("Breakpoints may only be placed at kernel addresses\n"); return 0; } - if (!mread(addr, &instr, sizeof(instr))) { + if (!mread_instr(addr, &instr)) { printf("Can't read instruction at address %lx\n", addr); return 0; } - if (IS_MTMSRD(instr) || IS_RFID(instr)) { - printf("Breakpoints may not be placed on mtmsrd or rfid " - "instructions\n"); + if (!can_single_step(ppc_inst_val(instr))) { + printf("Breakpoints may not be placed on instructions that can't be single stepped\n"); return 0; } return 1; } +static int find_free_data_bpt(void) +{ + int i; + + for (i = 0; i < nr_wp_slots(); i++) { + if (!dabr[i].enabled) + return i; + } + printf("Couldn't find free breakpoint register\n"); + return -1; +} + +static void print_data_bpts(void) +{ + int i; + + for (i = 0; i < nr_wp_slots(); i++) { + if (!dabr[i].enabled) + continue; + + printf(" data "REG" [", dabr[i].address); + if (dabr[i].enabled & 1) + printf("r"); + if (dabr[i].enabled & 2) + printf("w"); + printf("]\n"); + } +} + static char *breakpoint_help_string = "Breakpoint command usage:\n" "b show breakpoints\n" @@ -1366,10 +1505,9 @@ bpt_cmds(void) cmd = inchar(); switch (cmd) { -#ifndef CONFIG_PPC_8xx - static const char badaddr[] = "Only kernel addresses are permitted for breakpoints\n"; - int mode; - case 'd': /* bd - hardware data breakpoint */ + case 'd': { /* bd - hardware data breakpoint */ + static const char badaddr[] = "Only kernel addresses are permitted for breakpoints\n"; + int mode; if (xmon_is_ro) { printf(xmon_ro_msg); break; @@ -1378,6 +1516,9 @@ bpt_cmds(void) printf("Hardware data breakpoint not supported on this cpu\n"); break; } + i = find_free_data_bpt(); + if (i < 0) + break; mode = 7; cmd = inchar(); if (cmd == 'r') @@ -1386,19 +1527,20 @@ bpt_cmds(void) mode = 6; else termch = cmd; - dabr.address = 0; - dabr.enabled = 0; - if (scanhex(&dabr.address)) { - if (!is_kernel_addr(dabr.address)) { + dabr[i].address = 0; + dabr[i].enabled = 0; + if (scanhex(&dabr[i].address)) { + if (!is_kernel_addr(dabr[i].address)) { printf(badaddr); break; } - dabr.address &= ~HW_BRK_TYPE_DABR; - dabr.enabled = mode | BP_DABR; + dabr[i].address &= ~HW_BRK_TYPE_DABR; + dabr[i].enabled = mode | BP_DABR; } force_enable_xmon(); break; + } case 'i': /* bi - hardware instr breakpoint */ if (xmon_is_ro) { @@ -1425,7 +1567,6 @@ bpt_cmds(void) force_enable_xmon(); } break; -#endif case 'c': if (!scanhex(&a)) { @@ -1433,7 +1574,9 @@ bpt_cmds(void) for (i = 0; i < NBPTS; ++i) bpts[i].enabled = 0; iabr = NULL; - dabr.enabled = 0; + for (i = 0; i < nr_wp_slots(); i++) + dabr[i].enabled = 0; + printf("All breakpoints cleared\n"); break; } @@ -1467,14 +1610,7 @@ bpt_cmds(void) if (xmon_is_ro || !scanhex(&a)) { /* print all breakpoints */ printf(" type address\n"); - if (dabr.enabled) { - printf(" data "REG" [", dabr.address); - if (dabr.enabled & 1) - printf("r"); - if (dabr.enabled & 2) - printf("w"); - printf("]\n"); - } + print_data_bpts(); for (bp = bpts; bp < &bpts[NBPTS]; ++bp) { if (!bp->enabled) continue; @@ -1536,6 +1672,7 @@ const char *getvecname(unsigned long vec) case 0x1300: ret = "(Instruction Breakpoint)"; break; case 0x1500: ret = "(Denormalisation)"; break; case 0x1700: ret = "(Altivec Assist)"; break; + case 0x3000: ret = "(System Call Vectored)"; break; default: ret = ""; } return ret; @@ -1564,7 +1701,6 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, } #define LRSAVE_OFFSET (STACK_FRAME_LR_SAVE * sizeof(unsigned long)) -#define MARKER_OFFSET (STACK_FRAME_MARKER * sizeof(unsigned long)) static void xmon_show_stack(unsigned long sp, unsigned long lr, unsigned long pc) @@ -1625,17 +1761,16 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr, xmon_print_symbol(ip, " ", "\n"); } - /* Look for "regshere" marker to see if this is + /* Look for "regs" marker to see if this is an exception frame. */ - if (mread(sp + MARKER_OFFSET, &marker, sizeof(unsigned long)) + if (mread(sp + STACK_INT_FRAME_MARKER, &marker, sizeof(unsigned long)) && marker == STACK_FRAME_REGS_MARKER) { - if (mread(sp + STACK_FRAME_OVERHEAD, ®s, sizeof(regs)) - != sizeof(regs)) { + if (mread(sp + STACK_INT_FRAME_REGS, ®s, sizeof(regs)) != sizeof(regs)) { printf("Couldn't read registers at %lx\n", - sp + STACK_FRAME_OVERHEAD); + sp + STACK_INT_FRAME_REGS); break; } - printf("--- Exception: %lx %s at ", regs.trap, + printf("---- Exception: %lx %s at ", regs.trap, getvecname(TRAP(®s))); pc = regs.nip; lr = regs.link; @@ -1666,8 +1801,8 @@ static void print_bug_trap(struct pt_regs *regs) const struct bug_entry *bug; unsigned long addr; - if (regs->msr & MSR_PR) - return; /* not in kernel */ + if (user_mode(regs)) + return; addr = regs->nip; /* address of trap instruction */ if (!is_kernel_addr(addr)) return; @@ -1679,9 +1814,9 @@ static void print_bug_trap(struct pt_regs *regs) #ifdef CONFIG_DEBUG_BUGVERBOSE printf("kernel BUG at %s:%u!\n", - bug->file, bug->line); + (char *)bug + bug->file_disp, bug->line); #else - printf("kernel BUG at %px!\n", (void *)bug->bug_addr); + printf("kernel BUG at %px!\n", (void *)bug + bug->bug_addr_disp); #endif #endif /* CONFIG_BUG */ } @@ -1705,9 +1840,12 @@ static void excprint(struct pt_regs *fp) printf(" sp: %lx\n", fp->gpr[1]); printf(" msr: %lx\n", fp->msr); - if (trap == 0x300 || trap == 0x380 || trap == 0x600 || trap == 0x200) { + if (trap == INTERRUPT_DATA_STORAGE || + trap == INTERRUPT_DATA_SEGMENT || + trap == INTERRUPT_ALIGNMENT || + trap == INTERRUPT_MACHINE_CHECK) { printf(" dar: %lx\n", fp->dar); - if (trap != 0x380) + if (trap != INTERRUPT_DATA_SEGMENT) printf(" dsisr: %lx\n", fp->dsisr); } @@ -1721,7 +1859,7 @@ static void excprint(struct pt_regs *fp) current->pid, current->comm); } - if (trap == 0x700) + if (trap == INTERRUPT_PROGRAM) print_bug_trap(fp); printf(linux_banner); @@ -1751,28 +1889,19 @@ static void prregs(struct pt_regs *fp) } #ifdef CONFIG_PPC64 - if (FULL_REGS(fp)) { - for (n = 0; n < 16; ++n) - printf("R%.2d = "REG" R%.2d = "REG"\n", - n, fp->gpr[n], n+16, fp->gpr[n+16]); - } else { - for (n = 0; n < 7; ++n) - printf("R%.2d = "REG" R%.2d = "REG"\n", - n, fp->gpr[n], n+7, fp->gpr[n+7]); - } +#define R_PER_LINE 2 #else +#define R_PER_LINE 4 +#endif + for (n = 0; n < 32; ++n) { - printf("R%.2d = %.8lx%s", n, fp->gpr[n], - (n & 3) == 3? "\n": " "); - if (n == 12 && !FULL_REGS(fp)) { - printf("\n"); - break; - } + printf("R%.2d = "REG"%s", n, fp->gpr[n], + (n % R_PER_LINE) == R_PER_LINE - 1 ? "\n" : " "); } -#endif + printf("pc = "); xmon_print_symbol(fp->nip, " ", "\n"); - if (TRAP(fp) != 0xc00 && cpu_has_feature(CPU_FTR_CFAR)) { + if (!trap_is_syscall(fp) && cpu_has_feature(CPU_FTR_CFAR)) { printf("cfar= "); xmon_print_symbol(fp->orig_gpr3, " ", "\n"); } @@ -1782,7 +1911,9 @@ static void prregs(struct pt_regs *fp) printf("ctr = "REG" xer = "REG" trap = %4lx\n", fp->ctr, fp->xer, fp->trap); trap = TRAP(fp); - if (trap == 0x300 || trap == 0x380 || trap == 0x600) + if (trap == INTERRUPT_DATA_STORAGE || + trap == INTERRUPT_DATA_SEGMENT || + trap == INTERRUPT_ALIGNMENT) printf("dar = "REG" dsisr = %.8lx\n", fp->dar, fp->dsisr); } @@ -1804,7 +1935,7 @@ static void cacheflush(void) catch_memory_errors = 1; sync(); - if (cmd != 'i') { + if (cmd != 'i' || IS_ENABLED(CONFIG_PPC_BOOK3S_64)) { for (; nflush > 0; --nflush, adrs += L1_CACHE_BYTES) cflush((void *) adrs); } else { @@ -1869,7 +2000,7 @@ static void dump_206_sprs(void) if (!cpu_has_feature(CPU_FTR_ARCH_206)) return; - /* Actually some of these pre-date 2.06, but whatevs */ + /* Actually some of these pre-date 2.06, but whatever */ printf("srr0 = %.16lx srr1 = %.16lx dsisr = %.8lx\n", mfspr(SPRN_SRR0), mfspr(SPRN_SRR1), mfspr(SPRN_DSISR)); @@ -1934,8 +2065,13 @@ static void dump_207_sprs(void) printf("hfscr = %.16lx dhdes = %.16lx rpr = %.16lx\n", mfspr(SPRN_HFSCR), mfspr(SPRN_DHDES), mfspr(SPRN_RPR)); - printf("dawr = %.16lx dawrx = %.16lx ciabr = %.16lx\n", - mfspr(SPRN_DAWR), mfspr(SPRN_DAWRX), mfspr(SPRN_CIABR)); + printf("dawr0 = %.16lx dawrx0 = %.16lx\n", + mfspr(SPRN_DAWR0), mfspr(SPRN_DAWRX0)); + if (nr_wp_slots() > 1) { + printf("dawr1 = %.16lx dawrx1 = %.16lx\n", + mfspr(SPRN_DAWR1), mfspr(SPRN_DAWRX1)); + } + printf("ciabr = %.16lx\n", mfspr(SPRN_CIABR)); #endif } @@ -1947,17 +2083,34 @@ static void dump_300_sprs(void) if (!cpu_has_feature(CPU_FTR_ARCH_300)) return; - printf("pidr = %.16lx tidr = %.16lx\n", - mfspr(SPRN_PID), mfspr(SPRN_TIDR)); - printf("asdr = %.16lx psscr = %.16lx\n", - mfspr(SPRN_ASDR), hv ? mfspr(SPRN_PSSCR) - : mfspr(SPRN_PSSCR_PR)); + if (cpu_has_feature(CPU_FTR_P9_TIDR)) { + printf("pidr = %.16lx tidr = %.16lx\n", + mfspr(SPRN_PID), mfspr(SPRN_TIDR)); + } else { + printf("pidr = %.16lx\n", + mfspr(SPRN_PID)); + } + + printf("psscr = %.16lx\n", + hv ? mfspr(SPRN_PSSCR) : mfspr(SPRN_PSSCR_PR)); if (!hv) return; - printf("ptcr = %.16lx\n", - mfspr(SPRN_PTCR)); + printf("ptcr = %.16lx asdr = %.16lx\n", + mfspr(SPRN_PTCR), mfspr(SPRN_ASDR)); +#endif +} + +static void dump_310_sprs(void) +{ +#ifdef CONFIG_PPC64 + if (!cpu_has_feature(CPU_FTR_ARCH_31)) + return; + + printf("mmcr3 = %.16lx, sier2 = %.16lx, sier3 = %.16lx\n", + mfspr(SPRN_MMCR3), mfspr(SPRN_SIER2), mfspr(SPRN_SIER3)); + #endif } @@ -2015,6 +2168,7 @@ static void super_regs(void) dump_206_sprs(); dump_207_sprs(); dump_300_sprs(); + dump_310_sprs(); return; } @@ -2127,6 +2281,25 @@ mwrite(unsigned long adrs, void *buf, int size) return n; } +static int +mread_instr(unsigned long adrs, ppc_inst_t *instr) +{ + volatile int n; + + n = 0; + if (setjmp(bus_error_jmp) == 0) { + catch_memory_errors = 1; + sync(); + *instr = ppc_inst_read((u32 *)adrs); + sync(); + /* wait a little while to see if we get a machine check */ + __delay(200); + n = ppc_inst_len(*instr); + } + catch_memory_errors = 0; + return n; +} + static int fault_type; static int fault_except; static char *fault_chars[] = { "--", "**", "##" }; @@ -2417,7 +2590,7 @@ static void dump_tracing(void) static void dump_one_paca(int cpu) { struct paca_struct *p; -#ifdef CONFIG_PPC_BOOK3S_64 +#ifdef CONFIG_PPC_64S_HASH_MMU int i = 0; #endif @@ -2433,9 +2606,9 @@ static void dump_one_paca(int cpu) printf("paca for cpu 0x%x @ %px:\n", cpu, p); - printf(" %-*s = %s\n", 25, "possible", cpu_possible(cpu) ? "yes" : "no"); - printf(" %-*s = %s\n", 25, "present", cpu_present(cpu) ? "yes" : "no"); - printf(" %-*s = %s\n", 25, "online", cpu_online(cpu) ? "yes" : "no"); + printf(" %-*s = %s\n", 25, "possible", str_yes_no(cpu_possible(cpu))); + printf(" %-*s = %s\n", 25, "present", str_yes_no(cpu_present(cpu))); + printf(" %-*s = %s\n", 25, "online", str_yes_no(cpu_online(cpu))); #define DUMP(paca, name, format) \ printf(" %-*s = "format"\t(0x%lx)\n", 25, #name, 18, paca->name, \ @@ -2443,7 +2616,9 @@ static void dump_one_paca(int cpu) DUMP(p, lock_token, "%#-*x"); DUMP(p, paca_index, "%#-*x"); +#ifndef CONFIG_PPC_KERNEL_PCREL DUMP(p, kernel_toc, "%#-*llx"); +#endif DUMP(p, kernelbase, "%#-*llx"); DUMP(p, kernel_msr, "%#-*llx"); DUMP(p, emergency_sp, "%-*px"); @@ -2459,6 +2634,7 @@ static void dump_one_paca(int cpu) DUMP(p, cpu_start, "%#-*x"); DUMP(p, kexec_state, "%#-*x"); #ifdef CONFIG_PPC_BOOK3S_64 +#ifdef CONFIG_PPC_64S_HASH_MMU if (!early_radix_enabled()) { for (i = 0; i < SLB_NUM_BOLTED; i++) { u64 esid, vsid; @@ -2486,11 +2662,12 @@ static void dump_one_paca(int cpu) 22, "slb_cache", i, p->slb_cache[i]); } } +#endif DUMP(p, rfi_flush_fallback_area, "%-*px"); #endif DUMP(p, dscr_default, "%#-*llx"); -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 DUMP(p, pgd, "%-*px"); DUMP(p, kernel_pgd, "%-*px"); DUMP(p, tcd_ptr, "%-*px"); @@ -2505,7 +2682,7 @@ static void dump_one_paca(int cpu) DUMP(p, canary, "%#-*lx"); #endif DUMP(p, saved_r1, "%#-*llx"); -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 DUMP(p, trap_save, "%#-*x"); #endif DUMP(p, irq_soft_mask, "%#-*x"); @@ -2578,7 +2755,7 @@ static void dump_pacas(void) termch = c; /* Put c back, it wasn't 'a' */ - if (scanhex(&num)) + if (scanhex(&num) && num < num_possible_cpus()) dump_one_paca(num); else dump_one_paca(xmon_owner); @@ -2618,39 +2795,15 @@ static void dump_all_xives(void) { int cpu; - if (num_possible_cpus() == 0) { + if (num_online_cpus() == 0) { printf("No possible cpus, use 'dx #' to dump individual cpus\n"); return; } - for_each_possible_cpu(cpu) + for_each_online_cpu(cpu) dump_one_xive(cpu); } -static void dump_one_xive_irq(u32 num, struct irq_data *d) -{ - xmon_xive_get_irq_config(num, d); -} - -static void dump_all_xive_irq(void) -{ - unsigned int i; - struct irq_desc *desc; - - for_each_irq_desc(i, desc) { - struct irq_data *d = irq_desc_get_irq_data(desc); - unsigned int hwirq; - - if (!d) - continue; - - hwirq = (unsigned int)irqd_to_hwirq(d); - /* IPIs are special (HW number 0) */ - if (hwirq) - dump_one_xive_irq(hwirq, d); - } -} - static void dump_xives(void) { unsigned long num; @@ -2667,15 +2820,15 @@ static void dump_xives(void) return; } else if (c == 'i') { if (scanhex(&num)) - dump_one_xive_irq(num, NULL); + xmon_xive_get_irq_config(num, NULL); else - dump_all_xive_irq(); + xmon_xive_get_irq_all(); return; } termch = c; /* Put c back, it wasn't 'a' */ - if (scanhex(&num)) + if (scanhex(&num) && num < num_possible_cpus()) dump_one_xive(num); else dump_one_xive(xmon_owner); @@ -2710,7 +2863,12 @@ static void dump_by_size(unsigned long addr, long count, int size) printf("%0*llx", size * 2, val); } - printf("\n"); + printf(" |"); + for (j = 0; j < 16; ++j) { + val = temp[j]; + putchar(' ' <= val && val <= '~' ? val : '.'); + } + printf("|\n"); } } @@ -2754,8 +2912,8 @@ dump(void) scanhex(&nidump); if (nidump == 0) nidump = 16; - else if (nidump > MAX_DUMP) - nidump = MAX_DUMP; + else if (nidump > MAX_IDUMP) + nidump = MAX_IDUMP; adrs += ppc_inst_dump(adrs, nidump, 1); last_cmd = "di\n"; } else if (c == 'l') { @@ -2848,12 +3006,11 @@ generic_inst_dump(unsigned long adr, long count, int praddr, { int nr, dotted; unsigned long first_adr; - unsigned int inst, last_inst = 0; - unsigned char val[4]; + ppc_inst_t inst, last_inst = ppc_inst(0); dotted = 0; - for (first_adr = adr; count > 0; --count, adr += 4) { - nr = mread(adr, val, 4); + for (first_adr = adr; count > 0; --count, adr += ppc_inst_len(inst)) { + nr = mread_instr(adr, &inst); if (nr == 0) { if (praddr) { const char *x = fault_chars[fault_type]; @@ -2861,8 +3018,7 @@ generic_inst_dump(unsigned long adr, long count, int praddr, } break; } - inst = GETWORD(val); - if (adr > first_adr && inst == last_inst) { + if (adr > first_adr && ppc_inst_equal(inst, last_inst)) { if (!dotted) { printf(" ...\n"); dotted = 1; @@ -2872,9 +3028,12 @@ generic_inst_dump(unsigned long adr, long count, int praddr, dotted = 0; last_inst = inst; if (praddr) - printf(REG" %.8x", adr, inst); + printf(REG" %08lx", adr, ppc_inst_as_ulong(inst)); printf("\t"); - dump_func(inst, adr); + if (!ppc_inst_prefixed(inst)) + dump_func(ppc_inst_val(inst), adr); + else + dump_func(ppc_inst_as_ulong(inst), adr); printf("\n"); } return adr - first_adr; @@ -2895,8 +3054,8 @@ print_address(unsigned long addr) static void dump_log_buf(void) { - struct kmsg_dumper dumper = { .active = 1 }; - unsigned char buf[128]; + struct kmsg_dump_iter iter; + static unsigned char buf[1024]; size_t len; if (setjmp(bus_error_jmp) != 0) { @@ -2907,9 +3066,9 @@ dump_log_buf(void) catch_memory_errors = 1; sync(); - kmsg_dump_rewind_nolock(&dumper); + kmsg_dump_rewind(&iter); xmon_start_pagination(); - while (kmsg_dump_get_line_nolock(&dumper, false, buf, sizeof(buf), &len)) { + while (kmsg_dump_get_line(&iter, false, buf, sizeof(buf), &len)) { buf[len] = '\0'; printf("%s", buf); } @@ -2926,7 +3085,7 @@ static void dump_opal_msglog(void) { unsigned char buf[128]; ssize_t res; - loff_t pos = 0; + volatile loff_t pos = 0; if (!firmware_has_feature(FW_FEATURE_OPAL)) { printf("Machine is not running OPAL firmware.\n"); @@ -3081,8 +3240,9 @@ memzcan(void) printf("%.8lx\n", a - mskip); } -static void show_task(struct task_struct *tsk) +static void show_task(struct task_struct *volatile tsk) { + unsigned int p_state = READ_ONCE(tsk->__state); char state; /* @@ -3090,17 +3250,16 @@ static void show_task(struct task_struct *tsk) * appropriate for calling from xmon. This could be moved * to a common, generic, routine used by both. */ - state = (tsk->state == 0) ? 'R' : - (tsk->state < 0) ? 'U' : - (tsk->state & TASK_UNINTERRUPTIBLE) ? 'D' : - (tsk->state & TASK_STOPPED) ? 'T' : - (tsk->state & TASK_TRACED) ? 'C' : + state = (p_state == TASK_RUNNING) ? 'R' : + (p_state & TASK_UNINTERRUPTIBLE) ? 'D' : + (p_state & TASK_STOPPED) ? 'T' : + (p_state & TASK_TRACED) ? 'C' : (tsk->exit_state & EXIT_ZOMBIE) ? 'Z' : (tsk->exit_state & EXIT_DEAD) ? 'E' : - (tsk->state & TASK_INTERRUPTIBLE) ? 'S' : '?'; + (p_state & TASK_INTERRUPTIBLE) ? 'S' : '?'; - printf("%px %016lx %6d %6d %c %2d %s\n", tsk, - tsk->thread.ksp, + printf("%16px %16lx %16px %6d %6d %c %2d %s\n", tsk, + tsk->thread.ksp, tsk->thread.regs, tsk->pid, rcu_dereference(tsk->parent)->pid, state, task_cpu(tsk), tsk->comm); @@ -3125,9 +3284,10 @@ static void format_pte(void *ptep, unsigned long pte) static void show_pte(unsigned long addr) { unsigned long tskv = 0; - struct task_struct *tsk = NULL; - struct mm_struct *mm; - pgd_t *pgdp, *pgdir; + struct task_struct *volatile tsk = NULL; + struct mm_struct *volatile mm; + pgd_t *pgdp; + p4d_t *p4dp; pud_t *pudp; pmd_t *pmdp; pte_t *ptep; @@ -3151,35 +3311,33 @@ static void show_pte(unsigned long addr) catch_memory_errors = 1; sync(); - if (mm == &init_mm) { + if (mm == &init_mm) pgdp = pgd_offset_k(addr); - pgdir = pgd_offset_k(0); - } else { + else pgdp = pgd_offset(mm, addr); - pgdir = pgd_offset(mm, 0); - } - if (pgd_none(*pgdp)) { - printf("no linux page table for address\n"); + p4dp = p4d_offset(pgdp, addr); + + if (p4d_none(*p4dp)) { + printf("No valid P4D\n"); return; } - printf("pgd @ 0x%px\n", pgdir); - - if (pgd_is_leaf(*pgdp)) { - format_pte(pgdp, pgd_val(*pgdp)); + if (p4d_leaf(*p4dp)) { + format_pte(p4dp, p4d_val(*p4dp)); return; } - printf("pgdp @ 0x%px = 0x%016lx\n", pgdp, pgd_val(*pgdp)); - pudp = pud_offset(pgdp, addr); + printf("p4dp @ 0x%px = 0x%016lx\n", p4dp, p4d_val(*p4dp)); + + pudp = pud_offset(p4dp, addr); if (pud_none(*pudp)) { printf("No valid PUD\n"); return; } - if (pud_is_leaf(*pudp)) { + if (pud_leaf(*pudp)) { format_pte(pudp, pud_val(*pudp)); return; } @@ -3193,19 +3351,22 @@ static void show_pte(unsigned long addr) return; } - if (pmd_is_leaf(*pmdp)) { + if (pmd_leaf(*pmdp)) { format_pte(pmdp, pmd_val(*pmdp)); return; } printf("pmdp @ 0x%px = 0x%016lx\n", pmdp, pmd_val(*pmdp)); ptep = pte_offset_map(pmdp, addr); - if (pte_none(*ptep)) { + if (!ptep || pte_none(*ptep)) { + if (ptep) + pte_unmap(ptep); printf("no valid PTE\n"); return; } format_pte(ptep, pte_val(*ptep)); + pte_unmap(ptep); sync(); __delay(200); @@ -3221,9 +3382,9 @@ static void show_pte(unsigned long addr) static void show_tasks(void) { unsigned long tskv; - struct task_struct *tsk = NULL; + struct task_struct *volatile tsk = NULL; - printf(" task_struct ->thread.ksp PID PPID S P CMD\n"); + printf(" task_struct ->thread.ksp ->thread.regs PID PPID S P CMD\n"); if (scanhex(&tskv)) tsk = (struct task_struct *)tskv; @@ -3365,7 +3526,7 @@ scanhex(unsigned long *vp) } } else if (c == '$') { int i; - for (i=0; i<63; i++) { + for (i = 0; i < (KSYM_NAME_LEN - 1); i++) { c = inchar(); if (isspace(c) || c == '\0') { termch = c; @@ -3433,6 +3594,11 @@ getstring(char *s, int size) int c; c = skipbl(); + if (c == '\n') { + *s = 0; + return; + } + do { if( size > 1 ){ *s++ = c; @@ -3479,7 +3645,7 @@ symbol_lookup(void) int type = inchar(); unsigned long addr, cpu; void __percpu *ptr = NULL; - static char tmp[64]; + static char tmp[KSYM_NAME_LEN]; switch (type) { case 'a': @@ -3488,7 +3654,7 @@ symbol_lookup(void) termch = 0; break; case 's': - getstring(tmp, 64); + getstring(tmp, KSYM_NAME_LEN); if (setjmp(bus_error_jmp) == 0) { catch_memory_errors = 1; sync(); @@ -3503,7 +3669,7 @@ symbol_lookup(void) termch = 0; break; case 'p': - getstring(tmp, 64); + getstring(tmp, KSYM_NAME_LEN); if (setjmp(bus_error_jmp) == 0) { catch_memory_errors = 1; sync(); @@ -3539,7 +3705,7 @@ static void xmon_print_symbol(unsigned long address, const char *mid, const char *after) { char *modname; - const char *name = NULL; + const char *volatile name = NULL; unsigned long offset, size; printf(REG, address); @@ -3563,7 +3729,7 @@ static void xmon_print_symbol(unsigned long address, const char *mid, printf("%s", after); } -#ifdef CONFIG_PPC_BOOK3S_64 +#ifdef CONFIG_PPC_64S_HASH_MMU void dump_segments(void) { int i; @@ -3609,7 +3775,7 @@ void dump_segments(void) printf("sr0-15 ="); for (i = 0; i < 16; ++i) - printf(" %x", mfsrin(i << 28)); + printf(" %x", mfsr(i << 28)); printf("\n"); } #endif @@ -3641,12 +3807,12 @@ static void dump_tlb_44x(void) } #endif /* CONFIG_44x */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 static void dump_tlb_book3e(void) { - u32 mmucfg, pidmask, lpidmask; + u32 mmucfg; u64 ramask; - int i, tlb, ntlbs, pidsz, lpidsz, rasz, lrat = 0; + int i, tlb, ntlbs, pidsz, lpidsz, rasz; int mmu_version; static const char *pgsz_names[] = { " 1K", @@ -3690,12 +3856,8 @@ static void dump_tlb_book3e(void) pidsz = ((mmucfg >> 6) & 0x1f) + 1; lpidsz = (mmucfg >> 24) & 0xf; rasz = (mmucfg >> 16) & 0x7f; - if ((mmu_version > 1) && (mmucfg & 0x10000)) - lrat = 1; printf("Book3E MMU MAV=%d.0,%d TLBs,%d-bit PID,%d-bit LPID,%d-bit RA\n", mmu_version, ntlbs, pidsz, lpidsz, rasz); - pidmask = (1ul << pidsz) - 1; - lpidmask = (1ul << lpidsz) - 1; ramask = (1ull << rasz) - 1; for (tlb = 0; tlb < ntlbs; tlb++) { @@ -3783,7 +3945,7 @@ static void dump_tlb_book3e(void) } } } -#endif /* CONFIG_PPC_BOOK3E */ +#endif /* CONFIG_PPC_BOOK3E_64 */ static void xmon_init(int enable) { @@ -3795,14 +3957,6 @@ static void xmon_init(int enable) __debugger_iabr_match = xmon_iabr_match; __debugger_break_match = xmon_break_match; __debugger_fault_handler = xmon_fault_handler; - -#ifdef CONFIG_PPC_PSERIES - /* - * Get the token here to avoid trying to get a lock - * during the crash, causing a deadlock. - */ - set_indicator_token = rtas_token("set-indicator"); -#endif } else { __debugger = NULL; __debugger_ipi = NULL; @@ -3815,7 +3969,7 @@ static void xmon_init(int enable) } #ifdef CONFIG_MAGIC_SYSRQ -static void sysrq_handle_xmon(int key) +static void sysrq_handle_xmon(u8 key) { if (xmon_is_locked_down()) { clear_all_bpt(); @@ -3829,7 +3983,7 @@ static void sysrq_handle_xmon(int key) xmon_init(0); } -static struct sysrq_key_op sysrq_xmon_op = { +static const struct sysrq_key_op sysrq_xmon_op = { .handler = sysrq_handle_xmon, .help_msg = "xmon(x)", .action_msg = "Entering xmon", @@ -3856,10 +4010,9 @@ static void clear_all_bpt(void) bpts[i].enabled = 0; /* Clear any data or iabr breakpoints */ - if (iabr || dabr.enabled) { - iabr = NULL; - dabr.enabled = 0; - } + iabr = NULL; + for (i = 0; i < nr_wp_slots(); i++) + dabr[i].enabled = 0; } #ifdef CONFIG_DEBUG_FS @@ -3890,8 +4043,8 @@ DEFINE_SIMPLE_ATTRIBUTE(xmon_dbgfs_ops, xmon_dbgfs_get, static int __init setup_xmon_dbgfs(void) { - debugfs_create_file("xmon", 0600, powerpc_debugfs_root, NULL, - &xmon_dbgfs_ops); + debugfs_create_file("xmon", 0600, arch_debugfs_dir, NULL, + &xmon_dbgfs_ops); return 0; } device_initcall(setup_xmon_dbgfs); @@ -3937,264 +4090,3 @@ void __init xmon_setup(void) if (xmon_early) debugger(NULL); } - -#ifdef CONFIG_SPU_BASE - -struct spu_info { - struct spu *spu; - u64 saved_mfc_sr1_RW; - u32 saved_spu_runcntl_RW; - unsigned long dump_addr; - u8 stopped_ok; -}; - -#define XMON_NUM_SPUS 16 /* Enough for current hardware */ - -static struct spu_info spu_info[XMON_NUM_SPUS]; - -void xmon_register_spus(struct list_head *list) -{ - struct spu *spu; - - list_for_each_entry(spu, list, full_list) { - if (spu->number >= XMON_NUM_SPUS) { - WARN_ON(1); - continue; - } - - spu_info[spu->number].spu = spu; - spu_info[spu->number].stopped_ok = 0; - spu_info[spu->number].dump_addr = (unsigned long) - spu_info[spu->number].spu->local_store; - } -} - -static void stop_spus(void) -{ - struct spu *spu; - int i; - u64 tmp; - - for (i = 0; i < XMON_NUM_SPUS; i++) { - if (!spu_info[i].spu) - continue; - - if (setjmp(bus_error_jmp) == 0) { - catch_memory_errors = 1; - sync(); - - spu = spu_info[i].spu; - - spu_info[i].saved_spu_runcntl_RW = - in_be32(&spu->problem->spu_runcntl_RW); - - tmp = spu_mfc_sr1_get(spu); - spu_info[i].saved_mfc_sr1_RW = tmp; - - tmp &= ~MFC_STATE1_MASTER_RUN_CONTROL_MASK; - spu_mfc_sr1_set(spu, tmp); - - sync(); - __delay(200); - - spu_info[i].stopped_ok = 1; - - printf("Stopped spu %.2d (was %s)\n", i, - spu_info[i].saved_spu_runcntl_RW ? - "running" : "stopped"); - } else { - catch_memory_errors = 0; - printf("*** Error stopping spu %.2d\n", i); - } - catch_memory_errors = 0; - } -} - -static void restart_spus(void) -{ - struct spu *spu; - int i; - - for (i = 0; i < XMON_NUM_SPUS; i++) { - if (!spu_info[i].spu) - continue; - - if (!spu_info[i].stopped_ok) { - printf("*** Error, spu %d was not successfully stopped" - ", not restarting\n", i); - continue; - } - - if (setjmp(bus_error_jmp) == 0) { - catch_memory_errors = 1; - sync(); - - spu = spu_info[i].spu; - spu_mfc_sr1_set(spu, spu_info[i].saved_mfc_sr1_RW); - out_be32(&spu->problem->spu_runcntl_RW, - spu_info[i].saved_spu_runcntl_RW); - - sync(); - __delay(200); - - printf("Restarted spu %.2d\n", i); - } else { - catch_memory_errors = 0; - printf("*** Error restarting spu %.2d\n", i); - } - catch_memory_errors = 0; - } -} - -#define DUMP_WIDTH 23 -#define DUMP_VALUE(format, field, value) \ -do { \ - if (setjmp(bus_error_jmp) == 0) { \ - catch_memory_errors = 1; \ - sync(); \ - printf(" %-*s = "format"\n", DUMP_WIDTH, \ - #field, value); \ - sync(); \ - __delay(200); \ - } else { \ - catch_memory_errors = 0; \ - printf(" %-*s = *** Error reading field.\n", \ - DUMP_WIDTH, #field); \ - } \ - catch_memory_errors = 0; \ -} while (0) - -#define DUMP_FIELD(obj, format, field) \ - DUMP_VALUE(format, field, obj->field) - -static void dump_spu_fields(struct spu *spu) -{ - printf("Dumping spu fields at address %p:\n", spu); - - DUMP_FIELD(spu, "0x%x", number); - DUMP_FIELD(spu, "%s", name); - DUMP_FIELD(spu, "0x%lx", local_store_phys); - DUMP_FIELD(spu, "0x%p", local_store); - DUMP_FIELD(spu, "0x%lx", ls_size); - DUMP_FIELD(spu, "0x%x", node); - DUMP_FIELD(spu, "0x%lx", flags); - DUMP_FIELD(spu, "%llu", class_0_pending); - DUMP_FIELD(spu, "0x%llx", class_0_dar); - DUMP_FIELD(spu, "0x%llx", class_1_dar); - DUMP_FIELD(spu, "0x%llx", class_1_dsisr); - DUMP_FIELD(spu, "0x%x", irqs[0]); - DUMP_FIELD(spu, "0x%x", irqs[1]); - DUMP_FIELD(spu, "0x%x", irqs[2]); - DUMP_FIELD(spu, "0x%x", slb_replace); - DUMP_FIELD(spu, "%d", pid); - DUMP_FIELD(spu, "0x%p", mm); - DUMP_FIELD(spu, "0x%p", ctx); - DUMP_FIELD(spu, "0x%p", rq); - DUMP_FIELD(spu, "0x%llx", timestamp); - DUMP_FIELD(spu, "0x%lx", problem_phys); - DUMP_FIELD(spu, "0x%p", problem); - DUMP_VALUE("0x%x", problem->spu_runcntl_RW, - in_be32(&spu->problem->spu_runcntl_RW)); - DUMP_VALUE("0x%x", problem->spu_status_R, - in_be32(&spu->problem->spu_status_R)); - DUMP_VALUE("0x%x", problem->spu_npc_RW, - in_be32(&spu->problem->spu_npc_RW)); - DUMP_FIELD(spu, "0x%p", priv2); - DUMP_FIELD(spu, "0x%p", pdata); -} - -int -spu_inst_dump(unsigned long adr, long count, int praddr) -{ - return generic_inst_dump(adr, count, praddr, print_insn_spu); -} - -static void dump_spu_ls(unsigned long num, int subcmd) -{ - unsigned long offset, addr, ls_addr; - - if (setjmp(bus_error_jmp) == 0) { - catch_memory_errors = 1; - sync(); - ls_addr = (unsigned long)spu_info[num].spu->local_store; - sync(); - __delay(200); - } else { - catch_memory_errors = 0; - printf("*** Error: accessing spu info for spu %ld\n", num); - return; - } - catch_memory_errors = 0; - - if (scanhex(&offset)) - addr = ls_addr + offset; - else - addr = spu_info[num].dump_addr; - - if (addr >= ls_addr + LS_SIZE) { - printf("*** Error: address outside of local store\n"); - return; - } - - switch (subcmd) { - case 'i': - addr += spu_inst_dump(addr, 16, 1); - last_cmd = "sdi\n"; - break; - default: - prdump(addr, 64); - addr += 64; - last_cmd = "sd\n"; - break; - } - - spu_info[num].dump_addr = addr; -} - -static int do_spu_cmd(void) -{ - static unsigned long num = 0; - int cmd, subcmd = 0; - - cmd = inchar(); - switch (cmd) { - case 's': - stop_spus(); - break; - case 'r': - restart_spus(); - break; - case 'd': - subcmd = inchar(); - if (isxdigit(subcmd) || subcmd == '\n') - termch = subcmd; - /* fall through */ - case 'f': - scanhex(&num); - if (num >= XMON_NUM_SPUS || !spu_info[num].spu) { - printf("*** Error: invalid spu number\n"); - return 0; - } - - switch (cmd) { - case 'f': - dump_spu_fields(spu_info[num].spu); - break; - default: - dump_spu_ls(num, subcmd); - break; - } - - break; - default: - return -1; - } - - return 0; -} -#else /* ! CONFIG_SPU_BASE */ -static int do_spu_cmd(void) -{ - return -1; -} -#endif diff --git a/arch/powerpc/xmon/xmon_bpts.S b/arch/powerpc/xmon/xmon_bpts.S new file mode 100644 index 000000000000..69726814cd27 --- /dev/null +++ b/arch/powerpc/xmon/xmon_bpts.S @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <asm/ppc_asm.h> +#include <asm/asm-compat.h> +#include <asm/asm-offsets.h> +#include "xmon_bpts.h" + +/* Prefixed instructions can not cross 64 byte boundaries */ +.align 6 +.global bpt_table +bpt_table: + .space NBPTS * BPT_SIZE diff --git a/arch/powerpc/xmon/xmon_bpts.h b/arch/powerpc/xmon/xmon_bpts.h new file mode 100644 index 000000000000..377068f52edb --- /dev/null +++ b/arch/powerpc/xmon/xmon_bpts.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef XMON_BPTS_H +#define XMON_BPTS_H + +#define NBPTS 256 +#ifndef __ASSEMBLY__ +#include <asm/inst.h> +#define BPT_SIZE (sizeof(ppc_inst_t) * 2) +#define BPT_WORDS (BPT_SIZE / sizeof(ppc_inst_t)) + +extern unsigned int bpt_table[NBPTS * BPT_WORDS]; +#endif /* __ASSEMBLY__ */ + +#endif /* XMON_BPTS_H */ |