drc: implement block addr list saving

[pcsx_rearmed.git] / libpcsxcore / new_dynarec / emu_if.c

diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index cb95cb1..b7a2489 100644 (file)
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -60,6 +60,7 @@ static irq_func * const irq_funcs[] = {
        [PSXINT_CDRDMA] = cdrDmaInterrupt,
        [PSXINT_CDRLID] = cdrLidSeekInterrupt,
        [PSXINT_CDRPLAY] = cdrPlayInterrupt,
+       [PSXINT_SPU_UPDATE] = spuUpdate,
        [PSXINT_RCNT] = psxRcntUpdate,
 };
 
@@ -121,7 +122,7 @@ void pcsx_mtc0_ds(u32 reg, u32 val)
        MTC0(reg, val);
 }
 
-void new_dyna_save(void)
+void new_dyna_before_save(void)
 {
        psxRegs.interrupt &= ~(1 << PSXINT_RCNT); // old savestate compat
 
@@ -133,7 +134,7 @@ void new_dyna_after_save(void)
        psxRegs.interrupt |= 1 << PSXINT_RCNT;
 }
 
-void new_dyna_restore(void)
+static void new_dyna_restore(void)
 {
        int i;
        for (i = 0; i < PSXINT_COUNT; i++)
@@ -146,6 +147,50 @@ void new_dyna_restore(void)
        new_dyna_pcsx_mem_load_state();
 }
 
+void new_dyna_freeze(void *f, int mode)
+{
+       const char header_save[8] = "ariblks";
+       uint32_t addrs[1024 * 4];
+       int32_t size = 0;
+       int bytes;
+       char header[8];
+
+       if (mode != 0) { // save
+               size = new_dynarec_save_blocks(addrs, sizeof(addrs));
+               if (size == 0)
+                       return;
+
+               SaveFuncs.write(f, header_save, sizeof(header_save));
+               SaveFuncs.write(f, &size, sizeof(size));
+               SaveFuncs.write(f, addrs, size);
+       }
+       else {
+               new_dyna_restore();
+
+               bytes = SaveFuncs.read(f, header, sizeof(header));
+               if (bytes != sizeof(header) || strcmp(header, header_save)) {
+                       if (bytes > 0)
+                               SaveFuncs.seek(f, -bytes, SEEK_CUR);
+                       return;
+               }
+               SaveFuncs.read(f, &size, sizeof(size));
+               if (size <= 0)
+                       return;
+               if (size > sizeof(addrs)) {
+                       bytes = size - sizeof(addrs);
+                       SaveFuncs.seek(f, bytes, SEEK_CUR);
+                       size = sizeof(addrs);
+               }
+               bytes = SaveFuncs.read(f, addrs, size);
+               if (bytes != size)
+                       return;
+
+               new_dynarec_load_blocks(addrs, size);
+       }
+
+       //printf("drc: %d block info entries %s\n", size/8, mode ? "saved" : "loaded");
+}
+
 /* GTE stuff */
 void *gte_handlers[64];
 
@@ -406,6 +451,8 @@ void new_dyna_pcsx_mem_init(void) {}
 void new_dyna_pcsx_mem_reset(void) {}
 void new_dyna_pcsx_mem_load_state(void) {}
 void new_dyna_pcsx_mem_shutdown(void) {}
+int  new_dynarec_save_blocks(void *save, int size) { return 0; }
+void new_dynarec_load_blocks(const void *save, int size) {}
 #endif
 
 #ifdef DRC_DBG