X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fplat.c;h=492007cd853474ac02eb614d5525f02dfc735018;hb=1e122e31195b065d2ec5d055a29696b6d415151d;hp=842cd5b26df8f87b67f05651b19541c171b8f059;hpb=1eb704b6332072581bf7c3bc411babc66f8bda8a;p=libpicofe.git

diff --git a/linux/plat.c b/linux/plat.c
index 842cd5b..492007c 100644
--- a/linux/plat.c
+++ b/linux/plat.c
@@ -1,8 +1,10 @@
 #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"
 
@@ -17,6 +19,21 @@ int plat_is_dir(const char *path)
 	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
@@ -92,3 +109,21 @@ int plat_wait_event(int *fds_hnds, int count, int timeout_ms)
 	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);
+}
+