libretro: understand psx exes

[pcsx_rearmed.git] / frontend / libretro.c

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 21189d6..5d876ae 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -1471,6 +1471,8 @@ bool retro_load_game(const struct retro_game_info *info)
    size_t i;
    unsigned int cd_index = 0;
    bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
+   bool is_exe = (strcasestr(info->path, ".exe") != NULL);
+   int ret;
 
    struct retro_input_descriptor desc[] = {
 #define JOYP(port)                                                                                                \
@@ -1664,7 +1666,7 @@ bool retro_load_game(const struct retro_game_info *info)
    plugin_call_rearmed_cbs();
    /* dfinput_activate(); */
 
-   if (CheckCdrom() == -1)
+   if (!is_exe && CheckCdrom() == -1)
    {
       log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
       return false;
@@ -1672,9 +1674,13 @@ bool retro_load_game(const struct retro_game_info *info)
 
    SysReset();
 
-   if (LoadCdrom() == -1)
+   if (is_exe)
+      ret = Load(info->path);
+   else
+      ret = LoadCdrom();
+   if (ret != 0)
    {
-      log_cb(RETRO_LOG_INFO, "could not load CD\n");
+      log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
       return false;
    }
    emu_on_new_cd(0);
@@ -2047,6 +2053,16 @@ static void update_variables(bool in_flight)
          Config.icache_emulation = 1;
    }
 
+   var.value = NULL;
+   var.key = "pcsx_rearmed_exception_emulation";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         Config.PreciseExceptions = 1;
+      else
+         Config.PreciseExceptions = 0;
+   }
+
    psxCpu->ApplyConfig();
 
    // end of CPU emu config
@@ -2088,28 +2104,28 @@ static void update_variables(bool in_flight)
          spu_config.iUseThread = 0;
    }
 
-#ifndef _WIN32
-   var.value = NULL;
-   var.key = "pcsx_rearmed_async_cd";
-   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
-   {
-      if (strcmp(var.value, "async") == 0)
-      {
-         Config.AsyncCD = 1;
-         Config.CHD_Precache = 0;
-      }
-      else if (strcmp(var.value, "sync") == 0)
-      {
-         Config.AsyncCD = 0;
-         Config.CHD_Precache = 0;
-      }
-      else if (strcmp(var.value, "precache") == 0)
-      {
-         Config.AsyncCD = 0;
-         Config.CHD_Precache = 1;
-      }
+   if (P_HAVE_PTHREAD) {
+          var.value = NULL;
+          var.key = "pcsx_rearmed_async_cd";
+          if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+          {
+                 if (strcmp(var.value, "async") == 0)
+                 {
+                        Config.AsyncCD = 1;
+                        Config.CHD_Precache = 0;
+                 }
+                 else if (strcmp(var.value, "sync") == 0)
+                 {
+                        Config.AsyncCD = 0;
+                        Config.CHD_Precache = 0;
+                 }
+                 else if (strcmp(var.value, "precache") == 0)
+                 {
+                        Config.AsyncCD = 0;
+                        Config.CHD_Precache = 1;
+                 }
+       }
    }
-#endif
 
    var.value = NULL;
    var.key = "pcsx_rearmed_noxadecoding";
@@ -2807,7 +2823,7 @@ static bool try_use_bios(const char *path)
 
 static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
 {
-   static const char *substrings[] = { "scph", "psx", "openbios" };
+   static const char *substrings[] = { "scph", "ps", "openbios" };
    DIR *dir;
    struct dirent *ent;
    bool ret = false;
@@ -3027,7 +3043,7 @@ void retro_init(void)
 
 #ifdef _3DS
    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
-#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
+#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
    if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
       vout_buf = (void *) 0;
 #else