spu: rework synchronization

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

diff --git a/libpcsxcore/new_dynarec/pcsxmem.c b/libpcsxcore/new_dynarec/pcsxmem.c
index 2306ca7..d5c32be 100644 (file)
--- a/libpcsxcore/new_dynarec/pcsxmem.c
+++ b/libpcsxcore/new_dynarec/pcsxmem.c
@@ -6,14 +6,19 @@
  */
 
 #include <stdio.h>
-#include <sys/mman.h>
 #include "../psxhw.h"
 #include "../cdrom.h"
 #include "../mdec.h"
 #include "../gpu.h"
+#include "../psxmem_map.h"
 #include "emu_if.h"
 #include "pcsxmem.h"
 
+#ifdef __thumb__
+#error the dynarec is incompatible with Thumb functions,
+#error please add -marm to compile flags
+#endif
+
 //#define memprintf printf
 #define memprintf(...)
 
@@ -25,11 +30,18 @@ static u32 mem_ffwtab[(1+2+4) * 0x1000 / 4];
 //static u32 mem_unmrtab[(1+2+4) * 0x1000 / 4];
 static u32 mem_unmwtab[(1+2+4) * 0x1000 / 4];
 
+// When this is called in a loop, and 'h' is a function pointer, clang will crash.
+#ifdef __clang__
+static __attribute__ ((noinline)) void map_item(u32 *out, const void *h, u32 flag)
+#else
 static void map_item(u32 *out, const void *h, u32 flag)
+#endif
 {
        u32 hv = (u32)h;
-       if (hv & 1)
-               fprintf(stderr, "%p has LSB set\n", h);
+       if (hv & 1) {
+               SysPrintf("FATAL: %p has LSB set\n", h);
+               abort();
+       }
        *out = (hv >> 1) | (flag << 31);
 }
 
@@ -140,9 +152,9 @@ make_rcnt_funcs(2)
 
 static void io_write_ireg16(u32 value)
 {
-       if (Config.Sio) psxHu16ref(0x1070) |= 0x80;
+       //if (Config.Sio) psxHu16ref(0x1070) |= 0x80;
        if (Config.SpuIrq) psxHu16ref(0x1070) |= 0x200;
-       psxHu16ref(0x1070) &= psxHu16(0x1074) & value;
+       psxHu16ref(0x1070) &= value;
 }
 
 static void io_write_imask16(u32 value)
@@ -154,9 +166,9 @@ static void io_write_imask16(u32 value)
 
 static void io_write_ireg32(u32 value)
 {
-       if (Config.Sio) psxHu32ref(0x1070) |= 0x80;
+       //if (Config.Sio) psxHu32ref(0x1070) |= 0x80;
        if (Config.SpuIrq) psxHu32ref(0x1070) |= 0x200;
-       psxHu32ref(0x1070) &= psxHu32(0x1074) & value;
+       psxHu32ref(0x1070) &= value;
 }
 
 static void io_write_imask32(u32 value)
@@ -198,7 +210,7 @@ make_dma_func(6)
 static void io_spu_write16(u32 value)
 {
        // meh
-       SPU_writeRegister(address, value);
+       SPU_writeRegister(address, value, psxRegs.cycle);
 }
 
 static void io_spu_write32(u32 value)
@@ -206,15 +218,23 @@ static void io_spu_write32(u32 value)
        SPUwriteRegister wfunc = SPU_writeRegister;
        u32 a = address;
 
-       wfunc(a, value & 0xffff);
-       wfunc(a + 2, value >> 16);
+       wfunc(a, value & 0xffff, psxRegs.cycle);
+       wfunc(a + 2, value >> 16, psxRegs.cycle);
 }
 
 static u32 io_gpu_read_status(void)
 {
+       u32 v;
+
        // meh2, syncing for img bit, might want to avoid it..
        gpuSyncPluginSR();
-       return HW_GPU_STATUS;
+       v = HW_GPU_STATUS;
+
+       // XXX: because of large timeslices can't use hSyncCount, using rough
+       // approximization instead. Perhaps better use hcounter code here or something.
+       if (hSyncCount < 240 && (HW_GPU_STATUS & PSXGPU_ILACE_BITS) != PSXGPU_ILACE_BITS)
+               v |= PSXGPU_LCF & (psxRegs.cycle << 20);
+       return v;
 }
 
 static void io_gpu_write_status(u32 value)
@@ -286,10 +306,9 @@ void new_dyna_pcsx_mem_init(void)
        int i;
 
        // have to map these further to keep tcache close to .text
-       mem_readtab = mmap((void *)0x08000000, 0x200000 * 4, PROT_READ | PROT_WRITE,
-               MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-       if (mem_readtab == MAP_FAILED) {
-               fprintf(stderr, "failed to map mem tables\n");
+       mem_readtab = psxMap(0x08000000, 0x200000 * 4, 0, MAP_TAG_LUTS);
+       if (mem_readtab == NULL) {
+               SysPrintf("failed to map mem tables\n");
                exit(1);
        }
        mem_writetab = mem_readtab + 0x100000;
@@ -324,11 +343,17 @@ void new_dyna_pcsx_mem_init(void)
 
        // scratchpad
        map_l1_mem(mem_readtab, 0, 0x1f800000, 0x1000, psxH);
+       map_l1_mem(mem_readtab, 0, 0x9f800000, 0x1000, psxH);
        map_l1_mem(mem_writetab, 0, 0x1f800000, 0x1000, psxH);
+       map_l1_mem(mem_writetab, 0, 0x9f800000, 0x1000, psxH);
 
        // I/O
        map_item(&mem_readtab[0x1f801000 >> 12], mem_iortab, 1);
+       map_item(&mem_readtab[0x9f801000 >> 12], mem_iortab, 1);
+       map_item(&mem_readtab[0xbf801000 >> 12], mem_iortab, 1);
        map_item(&mem_writetab[0x1f801000 >> 12], mem_iowtab, 1);
+       map_item(&mem_writetab[0x9f801000 >> 12], mem_iowtab, 1);
+       map_item(&mem_writetab[0xbf801000 >> 12], mem_iowtab, 1);
 
        // L2
        // unmapped tables
@@ -461,3 +486,9 @@ void new_dyna_pcsx_mem_reset(void)
 
        map_item(&mem_iowtab[IOMEM32(0x1810)], GPU_writeData, 1);
 }
+
+void new_dyna_pcsx_mem_shutdown(void)
+{
+       psxUnmap(mem_readtab, 0x200000 * 4, MAP_TAG_LUTS);
+       mem_writetab = mem_readtab = NULL;
+}