#include <stdio.h>
+#include <string.h>
#include <dirent.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
+#include <sys/mman.h>
#include "../common/plat.h"
return 0;
}
+int plat_get_root_dir(char *dst, int len)
+{
+ extern char **g_argv;
+ int j;
+
+ strncpy(dst, g_argv[0], len);
+ len -= 32; // reserve
+ if (len < 0) len = 0;
+ dst[len] = 0;
+ for (j = strlen(dst); j > 0; j--)
+ if (dst[j] == '/') { dst[j+1] = 0; break; }
+
+ return j + 1;
+}
+
+#ifdef __GP2X__
+/* Wiz has a borked gettimeofday().. */
+#define plat_get_ticks_ms plat_get_ticks_ms_good
+#define plat_get_ticks_us plat_get_ticks_us_good
+#endif
+
unsigned int plat_get_ticks_ms(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
ret = (unsigned)tv.tv_sec * 1000;
- /* approximate division */
+ /* approximate /= 1000 */
ret += ((unsigned)tv.tv_usec * 4195) >> 22;
return ret;
}
+unsigned int plat_get_ticks_us(void)
+{
+ struct timeval tv;
+ unsigned int ret;
+
+ gettimeofday(&tv, NULL);
+
+ ret = (unsigned)tv.tv_sec * 1000000;
+ ret += (unsigned)tv.tv_usec;
+
+ return ret;
+}
+
void plat_sleep_ms(int ms)
{
usleep(ms * 1000);
return ret;
}
+void *plat_mmap(unsigned long addr, size_t size)
+{
+ void *req, *ret;
+ req = (void *)addr;
+ ret = mmap(req, size, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0);
+ if (ret == MAP_FAILED)
+ return NULL;
+ if (ret != req)
+ printf("warning: mmaped to %p, requested %p\n", ret, req);
+
+ return ret;
+}
+
+void plat_munmap(void *ptr, size_t size)
+{
+ munmap(ptr, size);
+}
+