diff options
Diffstat (limited to 'arch/arc/kernel/kgdb.c')
| -rw-r--r-- | arch/arc/kernel/kgdb.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/arc/kernel/kgdb.c b/arch/arc/kernel/kgdb.c index 9a3c34af2ae8..4f2b5951454f 100644 --- a/arch/arc/kernel/kgdb.c +++ b/arch/arc/kernel/kgdb.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * kgdb support for ARC * * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kgdb.h> @@ -143,6 +140,7 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, ptr = &remcomInBuffer[1]; if (kgdb_hex2long(&ptr, &addr)) regs->ret = addr; + fallthrough; case 'D': case 'k': @@ -177,7 +175,7 @@ void kgdb_trap(struct pt_regs *regs) * with trap_s 4 (compiled) breakpoints, continuation needs to * start after the breakpoint. */ - if (regs->ecr_param == 3) + if (regs->ecr.param == 3) instruction_pointer(regs) -= BREAK_INSTR_SIZE; kgdb_handle_exception(1, SIGTRAP, 0, regs); @@ -192,19 +190,13 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip) instruction_pointer(regs) = ip; } -static void kgdb_call_nmi_hook(void *ignored) +void kgdb_call_nmi_hook(void *ignored) { + /* Default implementation passes get_irq_regs() but we don't */ kgdb_nmicallback(raw_smp_processor_id(), NULL); } -void kgdb_roundup_cpus(unsigned long flags) -{ - local_irq_enable(); - smp_call_function(kgdb_call_nmi_hook, NULL, 0); - local_irq_disable(); -} - -struct kgdb_arch arch_kgdb_ops = { +const struct kgdb_arch arch_kgdb_ops = { /* breakpoint instruction: TRAP_S 0x3 */ #ifdef CONFIG_CPU_BIG_ENDIAN .gdb_bpt_instr = {0x78, 0x7e}, |