X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Flibretro.c;h=d54309787120609632e3961983e463656a781920;hb=51e4662411c4aa87085c30a1709ded83b8ee17dd;hp=d46cc4a2c180320ae324c128eb11728902d8e683;hpb=86b38dc46d93354418faf5aecd430f8661adb4b3;p=picodrive.git

diff --git a/platform/libretro.c b/platform/libretro.c
index d46cc4a..d543097 100644
--- a/platform/libretro.c
+++ b/platform/libretro.c
@@ -10,7 +10,11 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <string.h>
+#ifndef _WIN32
 #include <sys/mman.h>
+#else
+#include <windows.h>
+#endif
 #include <errno.h>
 #ifdef __MACH__
 #include <libkern/OSCacheControl.h>
@@ -66,27 +70,65 @@ void cache_flush_d_inval_i(void *start, void *end)
 #endif
 }
 
-void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
+#ifdef _WIN32
+void* mmap(void *desired_addr,
+	size_t len, 
+	int mmap_prot, 
+	int mmap_flags, 
+	HANDLE fd,
+	size_t off)
 {
-	int flags = MAP_PRIVATE | MAP_ANONYMOUS;
-	void *req, *ret;
-
-	req = (void *)addr;
-	ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
-	if (ret == MAP_FAILED) {
-		lprintf("mmap(%08lx, %zd) failed: %d\n", addr, size, errno);
-		return NULL;
-	}
-
-	if (addr != 0 && ret != (void *)addr) {
-		lprintf("warning: wanted to map @%08lx, got %p\n",
-			addr, ret);
+   return malloc(len);
+}
 
-		if (is_fixed) {
-			munmap(ret, size);
-			return NULL;
-		}
-	}
+void munmap(
+	void *base_addr,
+	size_t len
+)
+{
+   free(base_addr);
+}
+#define MAP_FAILED 0
+#define PROT_READ 0
+#define PROT_WRITE 0
+#define MAP_PRIVATE 0 
+#define MAP_ANONYMOUS 0 
+#endif
+void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
+{
+#ifndef _WIN32
+   int flags = 0;
+   void *ret = mmap((void*)addr,size,PROT_READ | PROT_WRITE, flags, -1, 0);
+   if (addr != 0 && ret != (void *)addr) {
+      lprintf("warning: wanted to map @%08lx, got %p\n",
+            addr, ret);
+
+      if (is_fixed) {
+         munmap(ret, size);
+         return NULL;
+      }
+   }
+#else
+   int flags = MAP_PRIVATE | MAP_ANONYMOUS;
+   void *req, *ret;
+
+   req = (void *)addr;
+   ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
+   if (ret == MAP_FAILED) {
+      lprintf("mmap(%08lx, %zd) failed: %d\n", addr, size, errno);
+      return NULL;
+   }
+
+   if (addr != 0 && ret != (void *)addr) {
+      lprintf("warning: wanted to map @%08lx, got %p\n",
+            addr, ret);
+
+      if (is_fixed) {
+         munmap(ret, size);
+         return NULL;
+      }
+   }
+#endif
 
 	return ret;
 }
@@ -132,10 +174,15 @@ void plat_munmap(void *ptr, size_t size)
 
 int plat_mem_set_exec(void *ptr, size_t size)
 {
-	int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
-	if (ret != 0)
-		lprintf("mprotect(%p, %zd) failed: %d\n", ptr, size, errno);
-
+#ifdef _WIN32
+   int ret = VirtualProtect(ptr,size,PAGE_EXECUTE_READWRITE,0);
+   if (ret == 0)
+      lprintf("mprotect(%p, %zd) failed: %d\n", ptr, size, 0);
+#else
+   int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
+   if (ret != 0)
+      lprintf("mprotect(%p, %zd) failed: %d\n", ptr, size, errno);
+#endif
 	return ret;
 }