diff options
Diffstat (limited to 'arch/sh/kernel')
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/fpu.c | 3 | ||||
| -rw-r--r-- | arch/sh/kernel/kgdb_stub.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/signal.c | 11 | ||||
| -rw-r--r-- | arch/sh/kernel/traps.c | 4 |
5 files changed, 14 insertions, 10 deletions
diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index 7624677f662..d61dd599169 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -16,6 +16,7 @@ #include <linux/sched.h> #include <linux/signal.h> #include <asm/processor.h> +#include <asm/system.h> #include <asm/io.h> /* The PR (precision) bit in the FP Status Register must be clear when @@ -265,7 +266,7 @@ ieee_fpe_handler (struct pt_regs *regs) nextpc = regs->pr; finsn = *(unsigned short *) (regs->pc + 2); } else { - nextpc = regs->pc + 2; + nextpc = regs->pc + instruction_size(insn); finsn = insn; } diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c index ffe3e3ee580..a5323364cbc 100644 --- a/arch/sh/kernel/kgdb_stub.c +++ b/arch/sh/kernel/kgdb_stub.c @@ -867,7 +867,7 @@ static void kgdb_command_loop(const int excep_code, const int trapa_value) trap 0xff, since that indicates a compiled-in breakpoint which will not be replaced (and we would retake the trap forever) */ if ((excep_code == TRAP_VEC) && (trapa_value != (0x3c << 2))) - trap_registers.pc -= instruction_size(trap_registers.pc); + trap_registers.pc -= 2; /* Undo any stepping we may have done */ undo_single_step(); diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 209cc9b4218..9005b2f12aa 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -498,7 +498,7 @@ asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5, struct pt_regs *regs = RELOC_HIDE(&__regs, 0); /* Rewind */ - regs->pc -= instruction_size(regs->pc); + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); if (notify_die(DIE_TRAP, regs, regs->tra & 0xff, SIGTRAP) == NOTIFY_STOP) @@ -517,7 +517,7 @@ asmlinkage void bug_trap_handler(unsigned long r4, unsigned long r5, struct pt_regs *regs = RELOC_HIDE(&__regs, 0); /* Rewind */ - regs->pc -= instruction_size(regs->pc); + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); if (notify_die(DIE_TRAP, regs, TRAPA_BUG_OPCODE & 0xff, SIGTRAP) == NOTIFY_STOP) diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index d7d98d691c6..b32c35a7c0a 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -500,7 +500,9 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, } /* fallthrough */ case -ERESTARTNOINTR: - regs->pc -= instruction_size(regs->pc); + regs->pc -= instruction_size( + ctrl_inw(regs->pc - 4)); + break; } } else { /* gUSA handling */ @@ -516,7 +518,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, regs->regs[15] = regs->regs[1]; if (regs->pc < regs->regs[0]) /* Go to rewind point #1 */ - regs->pc = regs->regs[0] + offset - 2; + regs->pc = regs->regs[0] + offset - + instruction_size(ctrl_inw(regs->pc-4)); } #ifdef CONFIG_PREEMPT local_irq_restore(flags); @@ -600,9 +603,9 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) regs->regs[0] == -ERESTARTSYS || regs->regs[0] == -ERESTARTNOINTR) { regs->regs[0] = save_r0; - regs->pc -= instruction_size(regs->pc); + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); } else if (regs->regs[0] == -ERESTART_RESTARTBLOCK) { - regs->pc -= instruction_size(regs->pc); + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); regs->regs[3] = __NR_restart_syscall; } } diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 7b40f0ff3df..1446d12ba22 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -505,7 +505,7 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs) simple: ret = handle_unaligned_ins(instruction,regs); if (ret==0) - regs->pc += 2; + regs->pc += instruction_size(instruction); return ret; } #endif /* CONFIG_CPU_SH2A */ @@ -682,7 +682,7 @@ asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5, err = do_fpu_inst(inst, regs); if (!err) { - regs->pc += 2; + regs->pc += instruction_size(inst); return; } /* not a FPU inst. */ |