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| author | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:42 +0200 |
| commit | ae82bfd61ca7e57cc2d914add9ab0873e260f2f5 (patch) | |
| tree | a7f862ad8b0ae4f2e8953e6aa613eb702b484ecf /arch/sh/include/asm/entry-macros.S | |
| parent | cd74c86bdf705f824d494a2bbda393d1d562b40a (diff) | |
| parent | ebc79c4f8da0f92efa968e0328f32334a2ce80cf (diff) | |
| download | op-kernel-dev-ae82bfd61ca7e57cc2d914add9ab0873e260f2f5.zip op-kernel-dev-ae82bfd61ca7e57cc2d914add9ab0873e260f2f5.tar.gz | |
Merge branch 'linus' into perfcounters/rename
Merge reason: pull in all the latest code before doing the rename.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/include/asm/entry-macros.S')
| -rw-r--r-- | arch/sh/include/asm/entry-macros.S | 86 |
1 files changed, 85 insertions, 1 deletions
diff --git a/arch/sh/include/asm/entry-macros.S b/arch/sh/include/asm/entry-macros.S index 3a4752a..cc43a55 100644 --- a/arch/sh/include/asm/entry-macros.S +++ b/arch/sh/include/asm/entry-macros.S @@ -7,7 +7,7 @@ .endm .macro sti - mov #0xf0, r11 + mov #0xfffffff0, r11 extu.b r11, r11 not r11, r11 stc sr, r10 @@ -31,8 +31,92 @@ #endif .endm +#ifdef CONFIG_TRACE_IRQFLAGS + + .macro TRACE_IRQS_ON + mov.l r0, @-r15 + mov.l r1, @-r15 + mov.l r2, @-r15 + mov.l r3, @-r15 + mov.l r4, @-r15 + mov.l r5, @-r15 + mov.l r6, @-r15 + mov.l r7, @-r15 + + mov.l 7834f, r0 + jsr @r0 + nop + + mov.l @r15+, r7 + mov.l @r15+, r6 + mov.l @r15+, r5 + mov.l @r15+, r4 + mov.l @r15+, r3 + mov.l @r15+, r2 + mov.l @r15+, r1 + mov.l @r15+, r0 + mov.l 7834f, r0 + + bra 7835f + nop + .balign 4 +7834: .long trace_hardirqs_on +7835: + .endm + .macro TRACE_IRQS_OFF + + mov.l r0, @-r15 + mov.l r1, @-r15 + mov.l r2, @-r15 + mov.l r3, @-r15 + mov.l r4, @-r15 + mov.l r5, @-r15 + mov.l r6, @-r15 + mov.l r7, @-r15 + + mov.l 7834f, r0 + jsr @r0 + nop + + mov.l @r15+, r7 + mov.l @r15+, r6 + mov.l @r15+, r5 + mov.l @r15+, r4 + mov.l @r15+, r3 + mov.l @r15+, r2 + mov.l @r15+, r1 + mov.l @r15+, r0 + mov.l 7834f, r0 + + bra 7835f + nop + .balign 4 +7834: .long trace_hardirqs_off +7835: + .endm + +#else + .macro TRACE_IRQS_ON + .endm + + .macro TRACE_IRQS_OFF + .endm +#endif + #if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4) # define PREF(x) pref @x #else # define PREF(x) nop #endif + + /* + * Macro for use within assembly. Because the DWARF unwinder + * needs to use the frame register to unwind the stack, we + * need to setup r14 with the value of the stack pointer as + * the return address is usually on the stack somewhere. + */ + .macro setup_frame_reg +#ifdef CONFIG_DWARF_UNWINDER + mov r15, r14 +#endif + .endm |
