X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Flibretro.c;h=ecf6a2934d658ddf2473a7dd49e047179817a263;hb=bc3aea8e705ec38bdeca7f31fa069c37dd7217d3;hp=0521f1805db554353b484eb2345e31be65ba326f;hpb=720bfc5d9f6fa22a1ff7bdf00193f20d6be91ca7;p=picodrive.git

diff --git a/platform/libretro.c b/platform/libretro.c
index 0521f18..ecf6a29 100644
--- a/platform/libretro.c
+++ b/platform/libretro.c
@@ -21,6 +21,10 @@
 #include "common/version.h"
 #include "libretro.h"
 
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 static retro_video_refresh_t video_cb;
 static retro_input_poll_t input_poll_cb;
 static retro_input_state_t input_state_cb;
@@ -92,11 +96,35 @@ void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
 
 void *plat_mremap(void *ptr, size_t oldsize, size_t newsize)
 {
+#ifdef __linux__
 	void *ret = mremap(ptr, oldsize, newsize, 0);
 	if (ret == MAP_FAILED)
 		return NULL;
 
 	return ret;
+#else
+	void *tmp, *ret;
+	size_t preserve_size;
+	
+	preserve_size = oldsize;
+	if (preserve_size > newsize)
+		preserve_size = newsize;
+	tmp = malloc(preserve_size);
+	if (tmp == NULL)
+		return NULL;
+	memcpy(tmp, ptr, preserve_size);
+
+	munmap(ptr, oldsize);
+	ret = mmap(ptr, newsize, PROT_READ | PROT_WRITE,
+		   MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+	if (ret == MAP_FAILED) {
+		free(tmp);
+		return NULL;
+	}
+	memcpy(ret, tmp, preserve_size);
+	free(tmp);
+	return ret;
+#endif
 }
 
 void plat_munmap(void *ptr, size_t size)
@@ -187,7 +215,7 @@ void retro_get_system_info(struct retro_system_info *info)
 	memset(info, 0, sizeof(*info));
 	info->library_name = "PicoDrive";
 	info->library_version = VERSION;
-	info->valid_extensions = "bin|gen|smd|32x|cue|iso|sms";
+	info->valid_extensions = "bin|gen|smd|md|32x|cue|iso|sms";
 	info->need_fullpath = true;
 }
 
@@ -581,9 +609,6 @@ void retro_init(void)
 	PicoAutoRgnOrder = 0x184; // US, EU, JP
 	PicoCDBuffers = 0;
 
-	p32x_msh2_multiplier = MSH2_MULTI_DEFAULT;
-	p32x_ssh2_multiplier = SSH2_MULTI_DEFAULT;
-
 	vout_width = 320;
 	vout_height = 240;
 	vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);