Update lightrec 20220716 (#672)

[pcsx_rearmed.git] / libpcsxcore / lightrec / plugin.c

diff --git a/libpcsxcore/lightrec/plugin.c b/libpcsxcore/lightrec/plugin.c
index d042fc4..52d37f0 100644 (file)
--- a/libpcsxcore/lightrec/plugin.c
+++ b/libpcsxcore/lightrec/plugin.c
@@ -15,6 +15,9 @@
 
 #include "../frontend/main.h"
 
+#include "mem.h"
+#include "plugin.h"
+
 #if (defined(__arm__) || defined(__aarch64__)) && !defined(ALLOW_LIGHTREC_ON_ARM)
 #error "Lightrec should not be used on ARM (please specify DYNAREC=ari64 to make)"
 #endif
@@ -289,6 +292,9 @@ static struct lightrec_mem_map lightrec_map[] = {
                .length = 0x200000,
                .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM],
        },
+       [PSX_MAP_CODE_BUFFER] = {
+               .length = CODE_BUFFER_SIZE,
+       },
 };
 
 static void lightrec_enable_ram(struct lightrec_state *state, bool enable)
@@ -311,6 +317,13 @@ static int lightrec_plugin_init(void)
        lightrec_map[PSX_MAP_SCRATCH_PAD].address = psxH;
        lightrec_map[PSX_MAP_PARALLEL_PORT].address = psxP;
 
+       if (LIGHTREC_CUSTOM_MAP) {
+               lightrec_map[PSX_MAP_MIRROR1].address = psxM + 0x200000;
+               lightrec_map[PSX_MAP_MIRROR2].address = psxM + 0x400000;
+               lightrec_map[PSX_MAP_MIRROR3].address = psxM + 0x600000;
+               lightrec_map[PSX_MAP_CODE_BUFFER].address = code_buffer;
+       }
+
        lightrec_debug = !!getenv("LIGHTREC_DEBUG");
        lightrec_very_debug = !!getenv("LIGHTREC_VERY_DEBUG");
        use_lightrec_interpreter = !!getenv("LIGHTREC_INTERPRETER");
@@ -543,17 +556,42 @@ static void lightrec_plugin_reset(void)
 {
        struct lightrec_registers *regs;
 
-       lightrec_plugin_shutdown();
-       lightrec_plugin_init();
-
        regs = lightrec_get_registers(lightrec_state);
 
+       /* Invalidate all blocks */
+       lightrec_invalidate_all(lightrec_state);
+
+       /* Reset registers */
+       memset(regs, 0, sizeof(*regs));
+
        regs->cp0[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1
        regs->cp0[15] = 0x00000002; // PRevID = Revision ID, same as R3000A
 
        booting = true;
 }
 
+void lightrec_plugin_prepare_load_state(void)
+{
+       struct lightrec_registers *regs;
+
+       regs = lightrec_get_registers(lightrec_state);
+       memcpy(regs->cp2d, &psxRegs.CP2, sizeof(regs->cp2d) + sizeof(regs->cp2c));
+       memcpy(regs->cp0, &psxRegs.CP0, sizeof(regs->cp0));
+       memcpy(regs->gpr, &psxRegs.GPR, sizeof(regs->gpr));
+
+       lightrec_invalidate_all(lightrec_state);
+}
+
+void lightrec_plugin_prepare_save_state(void)
+{
+       struct lightrec_registers *regs;
+
+       regs = lightrec_get_registers(lightrec_state);
+       memcpy(&psxRegs.CP2, regs->cp2d, sizeof(regs->cp2d) + sizeof(regs->cp2c));
+       memcpy(&psxRegs.CP0, regs->cp0, sizeof(regs->cp0));
+       memcpy(&psxRegs.GPR, regs->gpr, sizeof(regs->gpr));
+}
+
 R3000Acpu psxRec =
 {
        lightrec_plugin_init,