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-rw-r--r--arch/csky/kernel/traps.c11
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);
}