diff options
| author | Jordan Crouse <jordan.crouse@amd.com> | 2008-04-25 23:11:02 +0000 |
|---|---|---|
| committer | Jordan Crouse <jordan.crouse@amd.com> | 2008-04-25 23:11:02 +0000 |
| commit | e2271430c53d24976ec3b0869dd8993cfba6d768 (patch) | |
| tree | 4a5cf4555b8b535377e0f457b51c70c13ae08609 /payloads/libpayload/include | |
| parent | d772e1e7feb3d782564fe7f46374d4ae8a5f4c36 (diff) | |
| download | coreboot-e2271430c53d24976ec3b0869dd8993cfba6d768.tar.xz | |
libpayload: Add gettimeofday() and friends
Add a gettimeofday() implementation - it works pretty well, but it
drifts a little bit so its not very suitable for keeping time. It
works best to track changes in time over small periods of time.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3272 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/libpayload/include')
| -rw-r--r-- | payloads/libpayload/include/arch/rdtsc.h | 4 | ||||
| -rw-r--r-- | payloads/libpayload/include/arch/types.h | 3 | ||||
| -rw-r--r-- | payloads/libpayload/include/libpayload.h | 25 |
3 files changed, 30 insertions, 2 deletions
diff --git a/payloads/libpayload/include/arch/rdtsc.h b/payloads/libpayload/include/arch/rdtsc.h index da7949d808..52f8c9c83c 100644 --- a/payloads/libpayload/include/arch/rdtsc.h +++ b/payloads/libpayload/include/arch/rdtsc.h @@ -30,9 +30,9 @@ #ifndef _ARCH_RDTSC_H #define _ARCH_RDTSC_H -static inline unsigned long long rdtsc(void) +static u64 rdtsc(void) { - unsigned long long val; + u64 val; __asm__ __volatile__ ("rdtsc" : "=A" (val)); return val; } diff --git a/payloads/libpayload/include/arch/types.h b/payloads/libpayload/include/arch/types.h index 641fb0aef8..1bd815bb44 100644 --- a/payloads/libpayload/include/arch/types.h +++ b/payloads/libpayload/include/arch/types.h @@ -50,6 +50,9 @@ typedef unsigned long long u64; typedef signed long long int64_t; typedef signed long long s64; +typedef long time_t; +typedef long suseconds_t; + #ifndef NULL #define NULL ((void *)0) #endif diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index d557eeff69..5bafb305ef 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -61,10 +61,26 @@ #define NVRAM_RTC_DAY 7 #define NVRAM_RTC_MONTH 8 #define NVRAM_RTC_YEAR 9 +#define NVRAM_RTC_FREQ_SELECT 10 +#define NVRAM_RTC_UIP 0x80 + +struct tm { + int tm_sec; + int tm_min; + int tm_hour; + int tm_mday; + int tm_mon; + int tm_year; + int tm_wday; + int tm_yday; + int tm_isdst; +}; /* drivers/nvram.c */ u8 nvram_read(u8 addr); void nvram_write(u8 val, u8 addr); +int nvram_updating(void); +void rtc_read_clock(struct tm *tm); /* drivers/keyboard.c */ void keyboard_init(void); @@ -182,6 +198,15 @@ char *strchr(const char *s, int c); char *strdup(const char *s); char *strstr(const char *h, const char *n); +/* libc/time.c */ + +struct timeval { + time_t tv_sec; + suseconds_t tv_usec; +}; + +int gettimeofday(struct timeval *tv, void *tz); + /* i386/coreboot.c */ int get_coreboot_info(struct sysinfo_t *info); |