diff options
Diffstat (limited to 'arch/csky/kernel/traps.c')
-rw-r--r-- | arch/csky/kernel/traps.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/csky/kernel/traps.c b/arch/csky/kernel/traps.c index f487a9b996ae..de903b18cd2a 100644 --- a/arch/csky/kernel/traps.c +++ b/arch/csky/kernel/traps.c @@ -115,8 +115,9 @@ asmlinkage void trap_c(struct pt_regs *regs) int sig; unsigned long vector; siginfo_t info; + struct task_struct *tsk = current; - vector = (mfcr("psr") >> 16) & 0xff; + vector = (regs->sr >> 16) & 0xff; switch (vector) { case VEC_ZERODIV: @@ -128,6 +129,7 @@ asmlinkage void trap_c(struct pt_regs *regs) sig = SIGTRAP; break; case VEC_ILLEGAL: + tsk->thread.trap_no = vector; #ifndef CONFIG_CPU_NO_USER_BKPT if (*(uint16_t *)instruction_pointer(regs) != USR_BKPT) #endif @@ -143,15 +145,19 @@ asmlinkage void trap_c(struct pt_regs *regs) sig = SIGTRAP; break; case VEC_ACCESS: + tsk->thread.trap_no = vector; return buserr(regs); #ifdef CONFIG_CPU_NEED_SOFTALIGN case VEC_ALIGN: + tsk->thread.trap_no = vector; return csky_alignment(regs); #endif #ifdef CONFIG_CPU_HAS_FPU case VEC_FPE: + tsk->thread.trap_no = vector; return fpu_fpe(regs); case VEC_PRIV: + tsk->thread.trap_no = vector; if (fpu_libc_helper(regs)) return; #endif @@ -159,5 +165,8 @@ asmlinkage void trap_c(struct pt_regs *regs) sig = SIGSEGV; break; } + + tsk->thread.trap_no = vector; + send_sig(sig, current, 0); } |