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| author | Matthias Weisser <weisserm@arcor.de> | 2011-11-29 12:16:40 +0100 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-12-10 17:54:04 -0500 |
| commit | d99a6874f5397955e1d6cb3098ab274d0836109f (patch) | |
| tree | 437afdf789a66e6bb05edacce7c4bcdfe2cd5641 /arch/sandbox/cpu/os.c | |
| parent | 21899b10850b8ba155b16038fac5dd8d98214842 (diff) | |
| download | u-boot-imx-d99a6874f5397955e1d6cb3098ab274d0836109f.zip u-boot-imx-d99a6874f5397955e1d6cb3098ab274d0836109f.tar.gz u-boot-imx-d99a6874f5397955e1d6cb3098ab274d0836109f.tar.bz2 | |
sandbox: Add timer simulation
Making sleep command work
Signed-off-by: Matthias Weisser <weisserm@arcor.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/sandbox/cpu/os.c')
| -rw-r--r-- | arch/sandbox/cpu/os.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index b7c3bf5..6d55b5c 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -23,9 +23,12 @@ #include <stdlib.h> #include <termios.h> #include <unistd.h> +#include <time.h> +#include <errno.h> #include <sys/types.h> #include <sys/stat.h> #include <sys/mman.h> +#include <linux/types.h> #include <os.h> @@ -94,3 +97,27 @@ void *os_malloc(size_t length) return mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); } + +void os_usleep(unsigned long usec) +{ + usleep(usec); +} + +u64 os_get_nsec(void) +{ +#if defined(CLOCK_MONOTONIC) && defined(_POSIX_MONOTONIC_CLOCK) + struct timespec tp; + if (EINVAL == clock_gettime(CLOCK_MONOTONIC, &tp)) { + struct timeval tv; + + gettimeofday(&tv, NULL); + tp.tv_sec = tv.tv_sec; + tp.tv_nsec = tv.tv_usec * 1000; + } + return tp.tv_sec * 1000000000ULL + tp.tv_nsec; +#else + struct timeval tv; + gettimeofday(&tv, NULL); + return tv.tv_sec * 1000000000ULL + tv.tv_usec * 1000; +#endif +} |