sandbox: Add timer simulation
Making sleep command work Signed-off-by: Matthias Weisser <weisserm@arcor.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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@ -18,3 +18,4 @@
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# MA 02111-1307 USA
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# MA 02111-1307 USA
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PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__
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PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__
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PLATFORM_LIBS += -lrt
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@ -34,12 +34,12 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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/* delay x useconds */
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/* delay x useconds */
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void __udelay(unsigned long usec)
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void __udelay(unsigned long usec)
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{
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{
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/* Ignore this for now */
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os_usleep(usec);
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}
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}
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unsigned long timer_get_us(void)
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unsigned long timer_get_us(void)
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{
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{
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return 0;
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return os_get_nsec() / 1000;
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}
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}
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int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
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int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
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@ -23,9 +23,12 @@
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#include <stdlib.h>
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#include <stdlib.h>
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#include <termios.h>
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#include <termios.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/mman.h>
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#include <linux/types.h>
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#include <os.h>
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#include <os.h>
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@ -94,3 +97,27 @@ void *os_malloc(size_t length)
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return mmap(NULL, length, PROT_READ | PROT_WRITE,
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return mmap(NULL, length, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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}
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}
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void os_usleep(unsigned long usec)
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{
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usleep(usec);
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}
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u64 os_get_nsec(void)
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{
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#if defined(CLOCK_MONOTONIC) && defined(_POSIX_MONOTONIC_CLOCK)
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struct timespec tp;
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if (EINVAL == clock_gettime(CLOCK_MONOTONIC, &tp)) {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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tp.tv_sec = tv.tv_sec;
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tp.tv_nsec = tv.tv_usec * 1000;
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}
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return tp.tv_sec * 1000000000ULL + tp.tv_nsec;
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#else
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec * 1000000000ULL + tv.tv_usec * 1000;
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#endif
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}
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@ -21,6 +21,8 @@
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#include <common.h>
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#include <common.h>
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#include <os.h>
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/*
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/*
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* Pointer to initial global data area
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* Pointer to initial global data area
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*
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*
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@ -34,7 +36,7 @@ void flush_cache(unsigned long start, unsigned long size)
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ulong get_timer(ulong base)
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ulong get_timer(ulong base)
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{
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{
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return 0;
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return (os_get_nsec() / 1000000) - base;
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}
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}
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int timer_init(void)
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int timer_init(void)
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14
include/os.h
14
include/os.h
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@ -84,3 +84,17 @@ void os_tty_raw(int fd);
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* \return Pointer to length bytes or NULL on error
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* \return Pointer to length bytes or NULL on error
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*/
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*/
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void *os_malloc(size_t length);
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void *os_malloc(size_t length);
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/**
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* Access to the usleep function of the os
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*
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* \param usec Time to sleep in micro seconds
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*/
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void os_usleep(unsigned long usec);
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/**
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* Gets a monotonic increasing number of nano seconds from the OS
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*
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* \return A monotonic increasing time scaled in nano seconds
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*/
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u64 os_get_nsec(void);
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