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-rw-r--r--arch/sh/kernel/entry-common.S54
1 files changed, 7 insertions, 47 deletions
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 5b7efc4016f..d62359cfbbe 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -308,15 +308,19 @@ ENTRY(system_call)
mov.l 1f, r9
mov.l @r9, r8 ! Read from TRA (Trap Address) Register
#endif
+
+ mov #OFF_TRA, r10
+ add r15, r10
+ mov.l r8, @r10 ! set TRA value to tra
+
/*
* Check the trap type
*/
mov #((0x20 << 2) - 1), r9
cmp/hi r9, r8
bt/s debug_trap ! it's a debug trap..
- mov #OFF_TRA, r9
- add r15, r9
- mov.l r8, @r9 ! set TRA value to tra
+ nop
+
#ifdef CONFIG_TRACE_IRQFLAGS
mov.l 5f, r10
jsr @r10
@@ -371,47 +375,3 @@ syscall_exit:
#endif
7: .long do_syscall_trace_enter
8: .long do_syscall_trace_leave
-
-#ifdef CONFIG_FUNCTION_TRACER
- .align 2
- .globl _mcount
- .type _mcount,@function
- .globl mcount
- .type mcount,@function
-_mcount:
-mcount:
- mov.l r4, @-r15
- mov.l r5, @-r15
- mov.l r6, @-r15
- mov.l r7, @-r15
- sts.l pr, @-r15
-
- mov.l @(20,r15),r4
- sts pr, r5
-
- mov.l 1f, r6
- mov.l ftrace_stub, r7
- cmp/eq r6, r7
- bt skip_trace
-
- mov.l @r6, r6
- jsr @r6
- nop
-
-skip_trace:
-
- lds.l @r15+, pr
- mov.l @r15+, r7
- mov.l @r15+, r6
- mov.l @r15+, r5
- rts
- mov.l @r15+, r4
-
- .align 2
-1: .long ftrace_trace_function
-
- .globl ftrace_stub
-ftrace_stub:
- rts
- nop
-#endif /* CONFIG_FUNCTION_TRACER */