mmu: fix macos crash. only flush user mem in address lut

force rtt2vram for JSR (custom graffiti)
clean up vmem32 remains
missing host_context.h change
gh action: build sdl from source on macos

.github/workflows/c-cpp.yml

@@ -19,7 +19,10 @@ jobs:
     steps:
       - name: Set up build environment (macos-latest)
         run: |
-          brew install ccache flac libao libomp pulseaudio sdl2 zlib
+          brew install ccache flac libao libomp pulseaudio zlib
+          cd shell/apple
+          mkdir artifacts
+          brew install --build-from-source ./sdl2.rb
           echo "/usr/local/opt/ccache/libexec" >> $GITHUB_PATH
           echo "CCACHE_DIR=/tmp/ccache" >> $GITHUB_ENV
         if: matrix.config.os == 'macos-latest'

core/cfg/option.cpp

@@ -25,7 +25,6 @@ namespace config {
 Option<bool> DynarecEnabled("Dynarec.Enabled", true);
 Option<bool> DynarecIdleSkip("Dynarec.idleskip", true);
 Option<bool> DynarecSafeMode("Dynarec.safe-mode");
-Option<bool> DisableVmem32("Dynarec.DisableVmem32");
 
 // General
 

core/cfg/option.h

@@ -288,7 +288,6 @@ public:
 extern Option<bool> DynarecEnabled;
 extern Option<bool> DynarecIdleSkip;
 extern Option<bool> DynarecSafeMode;
-extern Option<bool> DisableVmem32;
 
 // General
 

core/hw/sh4/modules/mmu.cpp

@@ -529,6 +529,9 @@ void MMU_init()
 		}
 	}
 	mmu_set_state();
+	// pre-fill kernel memory
+	for (int vpn = ARRAY_SIZE(mmuAddressLUT) / 2; vpn < ARRAY_SIZE(mmuAddressLUT); vpn++)
+		mmuAddressLUT[vpn] = vpn << 12;
 }
 
 

core/hw/sh4/modules/mmu.h

@@ -126,11 +126,11 @@ extern u32 mmuAddressLUT[0x100000];
 
 static inline void mmuAddressLUTFlush(bool full) {
 	if (full)
-		memset(mmuAddressLUT, 0, sizeof(mmuAddressLUT));
+		memset(mmuAddressLUT, 0, sizeof(mmuAddressLUT) / 2);	// flush user memory
 	else
 	{
 		constexpr u32 slotPages = (32 * 1024 * 1024) >> 12;
-		memset(mmuAddressLUT, 0, slotPages * sizeof(u32));	// flush slot 0
+		memset(mmuAddressLUT, 0, slotPages * sizeof(u32));		// flush slot 0
 	}
 }
 
@@ -152,7 +152,8 @@ static inline u32 mmuDynarecLookup(u32 vaddr, u32 write, u32 pc)
 		// not reached
 		return 0;
 	}
-	mmuAddressLUT[vaddr >> 12] = paddr & ~0xfff;
+	if (vaddr >> 31 == 0)
+		mmuAddressLUT[vaddr >> 12] = paddr & ~0xfff;
 
 	return paddr;
 }

core/nullDC.cpp

@@ -128,7 +128,13 @@ static void LoadSpecialSettings()
 				// Tom Clancy's Rainbow Six (US)
 				|| prod_id == "T40401N"
 				// Tom Clancy's Rainbow Six incl. Eagle Watch Missions (EU)
-				|| prod_id == "T-45001D05")
+				|| prod_id == "T-45001D05"
+				// Jet Grind Radio (US)
+				|| prod_id == "MK-51058"
+				// JSR (JP)
+				|| prod_id == "HDR-0078"
+				// JSR (EU)
+				|| prod_id == "MK-5105850")
 		{
 			INFO_LOG(BOOT, "Enabling render to texture buffer for game %s", prod_id.c_str());
 			config::RenderToTextureBuffer.override(true);
@@ -157,40 +163,7 @@ static void LoadSpecialSettings()
 			INFO_LOG(BOOT, "Enabling Extra depth scaling for game %s", prod_id.c_str());
 			config::ExtraDepthScale.override(1e26f);
 		}
-		// Super Producers
-		if (prod_id == "T14303M"
-			// Giant Killers
-			|| prod_id == "T45401D 50"
-			// Wild Metal (US)
-			|| prod_id == "T42101N 00"
-			// Wild Metal (EU)
-			|| prod_id == "T40501D-50"
-			// Resident Evil 2 (US)
-			|| prod_id == "T1205N"
-			// Resident Evil 2 (EU)
-			|| prod_id == "T7004D  50"
-			// Rune Jade
-			|| prod_id == "T14304M"
-			// Marionette Company
-			|| prod_id == "T5202M"
-			// Marionette Company 2
-			|| prod_id == "T5203M"
-			// Maximum Pool (for online support)
-			|| prod_id == "T11010N"
-			// StarLancer (US) (for online support)
-			|| prod_id == "T40209N"
-			// StarLancer (EU) (for online support)
-			|| prod_id == "T17723D 05"
-			// Heroes of might and magic III
-			|| prod_id == "T0000M"
-			// WebTV
-			|| prod_id == "6107117" || prod_id == "610-7390" || prod_id == "610-7391"
-			// PBA
-			|| prod_id == "T26702N")
-		{
-			INFO_LOG(BOOT, "Disabling 32-bit virtual memory for game %s", prod_id.c_str());
-			config::DisableVmem32.override(true);
-		}
+
 		std::string areas(ip_meta.area_symbols, sizeof(ip_meta.area_symbols));
 		bool region_usa = areas.find('U') != std::string::npos;
 		bool region_eu = areas.find('E') != std::string::npos;
@@ -940,9 +913,7 @@ void dc_loadstate()
 #if FEAT_AREC == DYNAREC_JIT
 	aicaarm::recompiler::flush();
 #endif
-#ifndef NO_MMU
     mmu_flush_table();
-#endif
 #if FEAT_SHREC != DYNAREC_NONE
 	bm_Reset();
 #endif

core/oslib/host_context.h

@@ -20,8 +20,5 @@ struct host_context_t {
 #endif
 #elif HOST_CPU == CPU_ARM
 	u32 reg[15];
-#elif HOST_CPU == CPU_ARM64
-	u64 sp;
-	u64 x2;
 #endif
 };

core/rec-x64/rec_x64.cpp

@@ -775,7 +775,15 @@ private:
 
 			mov(eax, call_regs[0]);
 			shr(eax, 12);
-			mov(eax, dword[(uintptr_t)mmuAddressLUT + rax * 4]);
+			if ((uintptr_t)mmuAddressLUT >> 32 != 0)
+			{
+				mov(r9, (uintptr_t)mmuAddressLUT);
+				mov(eax, dword[r9 + rax * 4]);
+			}
+			else
+			{
+				mov(eax, dword[(uintptr_t)mmuAddressLUT + rax * 4]);
+			}
 			test(eax, eax);
 			jne(inCache);
 			mov(call_regs[1], write);