diff options
Diffstat (limited to 'src/cpu')
-rw-r--r-- | src/cpu/intel/common/fsb.c | 24 | ||||
-rw-r--r-- | src/cpu/x86/lapic/apic_timer.c | 16 | ||||
-rw-r--r-- | src/cpu/x86/tsc/delay_tsc.c | 16 |
3 files changed, 28 insertions, 28 deletions
diff --git a/src/cpu/intel/common/fsb.c b/src/cpu/intel/common/fsb.c index 0f6fd1d921..726ab1c240 100644 --- a/src/cpu/intel/common/fsb.c +++ b/src/cpu/intel/common/fsb.c @@ -19,8 +19,8 @@ #include <commonlib/helpers.h> #include <delay.h> -static u32 g_timer_fsb; -static u32 g_timer_tsc; +static u32 timer_fsb; +static u32 timer_tsc; /* This is not an architectural MSR. */ #define MSR_PLATFORM_INFO 0xce @@ -98,8 +98,8 @@ static void resolve_timebase(void) ret = get_fsb_tsc(&fsb, &ratio); if (ret == 0) { u32 tsc = 100 * DIV_ROUND_CLOSEST(ratio * fsb, 100); - g_timer_fsb = fsb; - g_timer_tsc = tsc; + timer_fsb = fsb; + timer_tsc = tsc; return; } @@ -109,27 +109,27 @@ static void resolve_timebase(void) printk(BIOS_ERR, "CPU not supported\n"); /* Set some semi-ridiculous defaults. */ - g_timer_fsb = 500; - g_timer_tsc = 5000; + timer_fsb = 500; + timer_tsc = 5000; return; } u32 get_timer_fsb(void) { - if (g_timer_fsb > 0) - return g_timer_fsb; + if (timer_fsb > 0) + return timer_fsb; resolve_timebase(); - return g_timer_fsb; + return timer_fsb; } unsigned long tsc_freq_mhz(void) { - if (g_timer_tsc > 0) - return g_timer_tsc; + if (timer_tsc > 0) + return timer_tsc; resolve_timebase(); - return g_timer_tsc; + return timer_tsc; } /** diff --git a/src/cpu/x86/lapic/apic_timer.c b/src/cpu/x86/lapic/apic_timer.c index 8f0f7afcfb..0b3f6910ae 100644 --- a/src/cpu/x86/lapic/apic_timer.c +++ b/src/cpu/x86/lapic/apic_timer.c @@ -62,7 +62,7 @@ static struct monotonic_counter { int initialized; struct mono_time time; uint32_t last_value; -} mono_counter_g; +} mono_counter; void timer_monotonic_get(struct mono_time *mt) { @@ -70,7 +70,7 @@ void timer_monotonic_get(struct mono_time *mt) uint32_t usecs_elapsed; uint32_t timer_fsb; - if (!mono_counter_g.initialized) { + if (!mono_counter.initialized) { init_timer(); timer_fsb = get_timer_fsb(); /* An FSB frequency of 200Mhz provides a 20 second polling @@ -80,22 +80,22 @@ void timer_monotonic_get(struct mono_time *mt) printk(BIOS_WARNING, "apic timer freq (%d) may be too fast.\n", timer_fsb); - mono_counter_g.last_value = lapic_read(LAPIC_TMCCT); - mono_counter_g.initialized = 1; + mono_counter.last_value = lapic_read(LAPIC_TMCCT); + mono_counter.initialized = 1; } timer_fsb = get_timer_fsb(); current_tick = lapic_read(LAPIC_TMCCT); /* Note that the APIC timer counts down. */ - usecs_elapsed = (mono_counter_g.last_value - current_tick) / timer_fsb; + usecs_elapsed = (mono_counter.last_value - current_tick) / timer_fsb; /* Update current time and tick values only if a full tick occurred. */ if (usecs_elapsed) { - mono_time_add_usecs(&mono_counter_g.time, usecs_elapsed); - mono_counter_g.last_value = current_tick; + mono_time_add_usecs(&mono_counter.time, usecs_elapsed); + mono_counter.last_value = current_tick; } /* Save result. */ - *mt = mono_counter_g.time; + *mt = mono_counter.time; } #endif diff --git a/src/cpu/x86/tsc/delay_tsc.c b/src/cpu/x86/tsc/delay_tsc.c index fda8fe1b20..4a1f5c98be 100644 --- a/src/cpu/x86/tsc/delay_tsc.c +++ b/src/cpu/x86/tsc/delay_tsc.c @@ -48,7 +48,7 @@ static struct monotonic_counter { int initialized; struct mono_time time; uint64_t last_value; -} mono_counter_g; +} mono_counter; void timer_monotonic_get(struct mono_time *mt) { @@ -56,14 +56,14 @@ void timer_monotonic_get(struct mono_time *mt) uint64_t ticks_elapsed; unsigned long ticks_per_usec; - if (!mono_counter_g.initialized) { + if (!mono_counter.initialized) { init_timer(); - mono_counter_g.last_value = rdtscll(); - mono_counter_g.initialized = 1; + mono_counter.last_value = rdtscll(); + mono_counter.initialized = 1; } current_tick = rdtscll(); - ticks_elapsed = current_tick - mono_counter_g.last_value; + ticks_elapsed = current_tick - mono_counter.last_value; ticks_per_usec = tsc_freq_mhz(); /* Update current time and tick values only if a full tick occurred. */ @@ -71,11 +71,11 @@ void timer_monotonic_get(struct mono_time *mt) uint64_t usecs_elapsed; usecs_elapsed = ticks_elapsed / ticks_per_usec; - mono_time_add_usecs(&mono_counter_g.time, (long)usecs_elapsed); - mono_counter_g.last_value = current_tick; + mono_time_add_usecs(&mono_counter.time, (long)usecs_elapsed); + mono_counter.last_value = current_tick; } /* Save result. */ - *mt = mono_counter_g.time; + *mt = mono_counter.time; } #endif |