dma: add optional slow linked list walking

[pcsx_rearmed.git] / frontend / main.c

diff --git a/frontend/main.c b/frontend/main.c
index 4631618..2773f7a 100644 (file)
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -11,7 +11,7 @@
 #include <unistd.h>
 #include <signal.h>
 #include <time.h>
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(NO_DYLIB)
 #include <dlfcn.h>
 #endif
 
@@ -29,6 +29,14 @@
 #include "arm_features.h"
 #include "revision.h"
 
+#if defined(__has_builtin)
+#define DO_CPU_CHECKS __has_builtin(__builtin_cpu_init)
+#elif defined(__x86_64__) || defined(__i386__)
+#define DO_CPU_CHECKS 1
+#else
+#define DO_CPU_CHECKS 0
+#endif
+
 #ifndef NO_FRONTEND
 #include "libpicofe/input.h"
 #include "libpicofe/plat.h"
@@ -43,8 +51,8 @@ static void check_memcards(void);
 #endif
 
 // don't include debug.h - it breaks ARM build (R1 redefined)
-void StartDebugger();
-void StopDebugger();
+static void StartDebugger() {}
+static void StopDebugger() {}
 
 int ready_to_go, g_emu_want_quit, g_emu_resetting;
 unsigned long gpuDisp;
@@ -121,9 +129,11 @@ static void set_default_paths(void)
 void emu_set_default_config(void)
 {
        // try to set sane config on which most games work
-       Config.Xa = Config.Cdda = Config.Sio =
-       Config.icache_emulation = Config.SpuIrq = Config.RCntFix = Config.VSyncWA = 0;
+       Config.Xa = Config.Cdda = 0;
+       Config.icache_emulation = 0;
        Config.PsxAuto = 1;
+       Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
+       Config.GpuListWalking = -1;
 
        pl_rearmed_cbs.gpu_neon.allow_interlace = 2; // auto
        pl_rearmed_cbs.gpu_neon.enhancement_enable =
@@ -149,16 +159,17 @@ void emu_set_default_config(void)
        spu_config.iVolume = 768;
        spu_config.iTempo = 0;
        spu_config.iUseThread = 1; // no effect if only 1 core is detected
-#ifdef HAVE_PRE_ARMV7 /* XXX GPH hack */
+#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) /* XXX GPH hack */
        spu_config.iUseReverb = 0;
        spu_config.iUseInterpolation = 0;
+#ifndef HAVE_LIBRETRO
        spu_config.iTempo = 1;
+#endif
 #endif
        new_dynarec_hacks = 0;
-       cycle_multiplier = 200;
 
-       in_type1 = PSE_PAD_TYPE_STANDARD;
-       in_type2 = PSE_PAD_TYPE_STANDARD;
+       in_type[0] = PSE_PAD_TYPE_STANDARD;
+       in_type[1] = PSE_PAD_TYPE_STANDARD;
 }
 
 void do_emu_action(void)
@@ -305,7 +316,7 @@ static int cdidcmp(const char *id1, const char *id2)
 
 static void parse_cwcheat(void)
 {
-       char line[256], buf[64], name[64], *p;
+       char line[256], buf[256], name[256], *p;
        int newcheat = 1;
        u32 a, v;
        FILE *f;
@@ -405,6 +416,24 @@ void emu_on_new_cd(int show_hud_msg)
        }
 }
 
+static void log_wrong_cpu(void)
+{
+#if DO_CPU_CHECKS
+       __builtin_cpu_init();
+       #define CHECK_CPU(name) if (!__builtin_cpu_supports(name)) \
+               SysPrintf("ERROR: compiled for " name ", which is unsupported by the CPU\n")
+#ifdef __SSE2__
+       CHECK_CPU("sse2");
+#endif
+#ifdef __SSSE3__
+       CHECK_CPU("ssse3");
+#endif
+#ifdef __SSE4_1__
+       CHECK_CPU("sse4.1");
+#endif
+#endif // DO_CPU_CHECKS
+}
+
 int emu_core_preinit(void)
 {
        // what is the name of the config file?
@@ -419,6 +448,8 @@ int emu_core_preinit(void)
 #endif
        emuLog = stdout;
 
+       log_wrong_cpu();
+
        SetIsoFile(NULL);
 
        memset(&Config, 0, sizeof(Config));
@@ -712,7 +743,7 @@ void SysRunGui() {
         printf("SysRunGui\n");
 }
 
-static void dummy_lace()
+static void CALLBACK dummy_lace()
 {
 }
 
@@ -727,10 +758,10 @@ void SysReset() {
        // reset can run code, timing must be set
        pl_timing_prepare(Config.PsxType);
 
-       EmuReset();
-
        // hmh core forgets this
        CDR_stop();
+   
+       EmuReset();
 
        GPU_updateLace = real_lace;
        g_emu_resetting = 0;
@@ -778,7 +809,7 @@ int emu_save_state(int slot)
                return ret;
 
        ret = SaveState(fname);
-#ifdef HAVE_PRE_ARMV7 /* XXX GPH hack */
+#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(__SWITCH__) /* XXX GPH hack */
        sync();
 #endif
        SysPrintf("* %s \"%s\" [%d]\n",
@@ -800,6 +831,7 @@ int emu_load_state(int slot)
        return LoadState(fname);
 }
 
+#ifndef HAVE_LIBRETRO
 #ifndef ANDROID
 
 void SysPrintf(const char *fmt, ...) {
@@ -824,6 +856,7 @@ void SysPrintf(const char *fmt, ...) {
 }
 
 #endif
+#endif /* HAVE_LIBRETRO */
 
 void SysMessage(const char *fmt, ...) {
        va_list list;
@@ -873,14 +906,15 @@ static int _OpenPlugins(void) {
 
        if (Config.UseNet && !NetOpened) {
                netInfo info;
-               char path[MAXPATHLEN];
+               char path[MAXPATHLEN * 2];
                char dotdir[MAXPATHLEN];
 
                MAKE_PATH(dotdir, "/.pcsx/plugins/", NULL);
 
                strcpy(info.EmuName, "PCSX");
-               strncpy(info.CdromID, CdromId, 9);
-               strncpy(info.CdromLabel, CdromLabel, 9);
+               memcpy(info.CdromID, CdromId, 9); /* no \0 trailing character? */
+               memcpy(info.CdromLabel, CdromLabel, 9);
+               info.CdromLabel[9] = '\0';
                info.psxMem = psxM;
                info.GPU_showScreenPic = GPU_showScreenPic;
                info.GPU_displayText = GPU_displayText;
@@ -989,10 +1023,10 @@ void *SysLoadLibrary(const char *lib) {
                tmp++;
                for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
                        if (strcmp(tmp, builtin_plugins[i]) == 0)
-                               return (void *)(long)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
+                               return (void *)(uintptr_t)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
        }
 
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(NO_DYLIB)
        ret = dlopen(lib, RTLD_NOW);
        if (ret == NULL)
                SysMessage("dlopen: %s", dlerror());
@@ -1004,12 +1038,12 @@ void *SysLoadLibrary(const char *lib) {
 }
 
 void *SysLoadSym(void *lib, const char *sym) {
-       unsigned int plugid = (unsigned int)(long)lib;
+       unsigned int plugid = (unsigned int)(uintptr_t)lib;
 
        if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
                return plugin_link(plugid - PLUGIN_DL_BASE, sym);
 
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(NO_DYLIB)
        return dlsym(lib, sym);
 #else
        return NULL;
@@ -1017,7 +1051,9 @@ void *SysLoadSym(void *lib, const char *sym) {
 }
 
 const char *SysLibError() {
-#ifndef _WIN32
+#if defined(NO_DYLIB)
+       return NULL;
+#elif !defined(_WIN32)
        return dlerror();
 #else
        return "not supported";
@@ -1025,13 +1061,12 @@ const char *SysLibError() {
 }
 
 void SysCloseLibrary(void *lib) {
-       unsigned int plugid = (unsigned int)(long)lib;
+       unsigned int plugid = (unsigned int)(uintptr_t)lib;
 
        if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
                return;
 
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(NO_DYLIB)
        dlclose(lib);
 #endif
 }
-