diff options
| author | Simon Glass <sjg@chromium.org> | 2013-06-11 11:14:52 -0700 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-06-26 10:18:56 -0400 |
| commit | d8819f94d58d8c94c619431bc34232a52b2d9a6b (patch) | |
| tree | e23d626a39c88355177444a25799d0e320279d3f /arch/x86/lib | |
| parent | 5b7dcf311236f45ef9f2b1d6a72080bd3fe99ee5 (diff) | |
| download | u-boot-imx-d8819f94d58d8c94c619431bc34232a52b2d9a6b.zip u-boot-imx-d8819f94d58d8c94c619431bc34232a52b2d9a6b.tar.gz u-boot-imx-d8819f94d58d8c94c619431bc34232a52b2d9a6b.tar.bz2 | |
x86: Support tracing function
Some changes are needed to x86 timer functions to support tracing. Add
these so that the feature works correctly.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/lib')
| -rw-r--r-- | arch/x86/lib/gcc.c | 4 | ||||
| -rw-r--r-- | arch/x86/lib/tsc_timer.c | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/lib/gcc.c b/arch/x86/lib/gcc.c index 4043431..497ad75 100644 --- a/arch/x86/lib/gcc.c +++ b/arch/x86/lib/gcc.c @@ -28,7 +28,9 @@ #define WRAP_LIBGCC_CALL(type, name) \ type __normal_##name(type a, type b) __attribute__((regparm(0))); \ type __wrap_##name(type a, type b); \ - type __wrap_##name(type a, type b) { return __normal_##name(a, b); } + type __attribute__((no_instrument_function)) \ + __wrap_##name(type a, type b) \ + { return __normal_##name(a, b); } WRAP_LIBGCC_CALL(long long, __divdi3) WRAP_LIBGCC_CALL(unsigned long long, __udivdi3) diff --git a/arch/x86/lib/tsc_timer.c b/arch/x86/lib/tsc_timer.c index c509801..0688973 100644 --- a/arch/x86/lib/tsc_timer.c +++ b/arch/x86/lib/tsc_timer.c @@ -37,7 +37,7 @@ void timer_set_base(u64 base) * restart. This yields a free running counter guaranteed to take almost 6 * years to wrap around even at 100GHz clock rate. */ -u64 get_ticks(void) +u64 __attribute__((no_instrument_function)) get_ticks(void) { u64 now_tick = rdtsc(); @@ -50,7 +50,7 @@ u64 get_ticks(void) #define PLATFORM_INFO_MSR 0xce /* Get the speed of the TSC timer in MHz */ -unsigned long get_tbclk_mhz(void) +unsigned __attribute__((no_instrument_function)) long get_tbclk_mhz(void) { u32 ratio; u64 platform_info = native_read_msr(PLATFORM_INFO_MSR); @@ -75,7 +75,7 @@ ulong get_timer(ulong base) return get_ms_timer() - base; } -ulong timer_get_us(void) +ulong __attribute__((no_instrument_function)) timer_get_us(void) { return get_ticks() / get_tbclk_mhz(); } |