Commit d99a6874 authored by Matthias Weisser's avatar Matthias Weisser Committed by Mike Frysinger
Browse files

sandbox: Add timer simulation



Making sleep command work
Signed-off-by: default avatarMatthias Weisser <weisserm@arcor.de>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 21899b10
......@@ -18,3 +18,4 @@
# MA 02111-1307 USA
PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__
PLATFORM_LIBS += -lrt
......@@ -34,12 +34,12 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
/* delay x useconds */
void __udelay(unsigned long usec)
{
/* Ignore this for now */
os_usleep(usec);
}
unsigned long timer_get_us(void)
{
return 0;
return os_get_nsec() / 1000;
}
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
......
......@@ -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
}
......@@ -21,6 +21,8 @@
#include <common.h>
#include <os.h>
/*
* Pointer to initial global data area
*
......@@ -34,7 +36,7 @@ void flush_cache(unsigned long start, unsigned long size)
ulong get_timer(ulong base)
{
return 0;
return (os_get_nsec() / 1000000) - base;
}
int timer_init(void)
......
......@@ -84,3 +84,17 @@ void os_tty_raw(int fd);
* \return Pointer to length bytes or NULL on error
*/
void *os_malloc(size_t length);
/**
* Access to the usleep function of the os
*
* \param usec Time to sleep in micro seconds
*/
void os_usleep(unsigned long usec);
/**
* Gets a monotonic increasing number of nano seconds from the OS
*
* \return A monotonic increasing time scaled in nano seconds
*/
u64 os_get_nsec(void);
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