add a hack for Decap Attack

[picodrive.git] / platform / libretro / libretro.c

diff --git a/platform/libretro/libretro.c b/platform/libretro/libretro.c
index 2bdd07d..9111048 100644 (file)
--- a/platform/libretro/libretro.c
+++ b/platform/libretro/libretro.c
@@ -79,11 +79,7 @@ static void *vout_buf;
 static int vout_width, vout_height, vout_offset;
 static float user_vout_width = 0.0;
 
-#ifdef _MSC_VER
-static short sndBuffer[2*44100/50];
-#else
-static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
-#endif
+static short ALIGNED(4) sndBuffer[2*44100/50];
 
 static void snd_write(int len);
 
@@ -375,7 +371,7 @@ void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
    int flags = MAP_PRIVATE | MAP_ANONYMOUS;
    void *req, *ret;
 
-   req = (void *)addr;
+   req = (void *)(uintptr_t)addr;
    ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
    if (ret == MAP_FAILED) {
       if (log_cb)
@@ -383,7 +379,7 @@ void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
       return NULL;
    }
 
-   if (addr != 0 && ret != (void *)addr) {
+   if (addr != 0 && ret != (void *)(uintptr_t)addr) {
       if (log_cb)
          log_cb(RETRO_LOG_WARN, "warning: wanted to map @%08lx, got %p\n",
                addr, ret);
@@ -451,7 +447,8 @@ int plat_mem_set_exec(void *ptr, size_t size)
 {
    int ret = -1;
 #ifdef _WIN32
-   ret = VirtualProtect(ptr, size, PAGE_EXECUTE_READWRITE, 0);
+   DWORD oldProtect = 0;
+   ret = VirtualProtect(ptr, size, PAGE_EXECUTE_READWRITE, &oldProtect);
    if (ret == 0 && log_cb)
       log_cb(RETRO_LOG_ERROR, "VirtualProtect(%p, %d) failed: %d\n", ptr, (int)size,
              GetLastError());