drc: patch up some potential issues on the switch

[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 90c4660..cc0bcdf 100644 (file)
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -67,22 +67,18 @@ static irq_func * const irq_funcs[] = {
 /* local dupe of psxBranchTest, using event_cycles */
 static void irq_test(void)
 {
-       u32 irqs = psxRegs.interrupt;
        u32 cycle = psxRegs.cycle;
        u32 irq, irq_bits;
 
-       // irq_funcs() may queue more irqs
-       psxRegs.interrupt = 0;
-
-       for (irq = 0, irq_bits = irqs; irq_bits != 0; irq++, irq_bits >>= 1) {
+       for (irq = 0, irq_bits = psxRegs.interrupt; irq_bits != 0; irq++, irq_bits >>= 1) {
                if (!(irq_bits & 1))
                        continue;
                if ((s32)(cycle - event_cycles[irq]) >= 0) {
-                       irqs &= ~(1 << irq);
+                       // note: irq_funcs() also modify psxRegs.interrupt
+                       psxRegs.interrupt &= ~(1u << irq);
                        irq_funcs[irq]();
                }
        }
-       psxRegs.interrupt |= irqs;
 
        if ((psxHu32(0x1070) & psxHu32(0x1074)) && (Status & 0x401) == 0x401) {
                psxException(0x400, 0);
@@ -92,7 +88,8 @@ static void irq_test(void)
 
 void gen_interupt()
 {
-       evprintf("  +ge %08x, %u->%u\n", psxRegs.pc, psxRegs.cycle, next_interupt);
+       evprintf("  +ge %08x, %u->%u (%d)\n", psxRegs.pc, psxRegs.cycle,
+               next_interupt, next_interupt - psxRegs.cycle);
 
        irq_test();
        //psxBranchTest();
@@ -300,7 +297,6 @@ static int ari64_init()
        static u32 scratch_buf[8*8*2] __attribute__((aligned(64)));
        extern void (*psxCP2[64])();
        extern void psxNULL();
-       extern unsigned char *out;
        size_t i;
 
        new_dynarec_init();
@@ -330,10 +326,6 @@ static int ari64_init()
        zeromem_ptr = zero_mem;
        scratch_buf_ptr = scratch_buf;
 
-       SysPrintf("Mapped (RAM/scrp/ROM/LUTs/TC):\n");
-       SysPrintf("%p/%p/%p/%p/%p\n",
-               psxM, psxH, psxR, mem_rtab, out);
-
        return 0;
 }
 
@@ -341,7 +333,7 @@ static void ari64_reset()
 {
        printf("ari64_reset\n");
        new_dyna_pcsx_mem_reset();
-       invalidate_all_pages();
+       new_dynarec_invalidate_all_pages();
        new_dyna_restore();
        pending_exception = 1;
 }
@@ -371,21 +363,11 @@ static void ari64_execute()
 
 static void ari64_clear(u32 addr, u32 size)
 {
-       u32 start, end, main_ram;
-
        size *= 4; /* PCSX uses DMA units (words) */
 
        evprintf("ari64_clear %08x %04x\n", addr, size);
 
-       /* check for RAM mirrors */
-       main_ram = (addr & 0xffe00000) == 0x80000000;
-
-       start = addr >> 12;
-       end = (addr + size) >> 12;
-
-       for (; start <= end; start++)
-               if (!main_ram || !invalid_code[start])
-                       invalidate_block(start);
+       new_dynarec_invalidate_range(addr, addr + size);
 }
 
 static void ari64_notify(int note, void *data) {
@@ -452,15 +434,14 @@ int new_dynarec_hacks;
 void *psxH_ptr;
 void *zeromem_ptr;
 u8 zero_mem[0x1000];
-unsigned char *out;
 void *mem_rtab;
 void *scratch_buf_ptr;
 void new_dynarec_init() {}
 void new_dyna_start(void *context) {}
 void new_dynarec_cleanup() {}
 void new_dynarec_clear_full() {}
-void invalidate_all_pages() {}
-void invalidate_block(unsigned int block) {}
+void new_dynarec_invalidate_all_pages() {}
+void new_dynarec_invalidate_range(unsigned int start, unsigned int end) {}
 void new_dyna_pcsx_mem_init(void) {}
 void new_dyna_pcsx_mem_reset(void) {}
 void new_dyna_pcsx_mem_load_state(void) {}
@@ -477,7 +458,7 @@ u32 irq_test_cycle;
 u32 handler_cycle;
 u32 last_io_addr;
 
-static void dump_mem(const char *fname, void *mem, size_t size)
+void dump_mem(const char *fname, void *mem, size_t size)
 {
        FILE *f1 = fopen(fname, "wb");
        if (f1 == NULL)
@@ -662,13 +643,14 @@ void do_insn_cmp(void)
 
        psxRegs.code = rregs.code; // don't care
        psxRegs.cycle += last_count;
-       //psxRegs.cycle = rregs.cycle;
+       //psxRegs.cycle = rregs.cycle; // needs reload in _cmp
        psxRegs.CP0.r[9] = rregs.CP0.r[9]; // Count
 
        //if (psxRegs.cycle == 166172) breakme();
 
        if (which_event >= 0 && event_cycles[which_event] != ev_cycles) {
-               printf("bad ev_cycles #%d: %08x %08x\n", which_event, event_cycles[which_event], ev_cycles);
+               printf("bad ev_cycles #%d: %u %u / %u\n", which_event,
+                       event_cycles[which_event], ev_cycles, psxRegs.cycle);
                fatal = 1;
        }
 
@@ -719,9 +701,9 @@ void do_insn_cmp(void)
        for (i = 0; i < 8; i++)
                printf("r%d=%08x r%2d=%08x r%2d=%08x r%2d=%08x\n", i, allregs_p[i],
                        i+8, allregs_p[i+8], i+16, allregs_p[i+16], i+24, allregs_p[i+24]);
-       printf("PC: %08x/%08x, cycle %u\n", psxRegs.pc, ppc, psxRegs.cycle);
-       dump_mem("/mnt/ntz/dev/pnd/tmp/psxram.dump", psxM, 0x200000);
-       dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs.dump", psxH, 0x10000);
+       printf("PC: %08x/%08x, cycle %u, next %u\n", psxRegs.pc, ppc, psxRegs.cycle, next_interupt);
+       //dump_mem("/tmp/psxram.dump", psxM, 0x200000);
+       //dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs.dump", psxH, 0x10000);
        exit(1);
 ok:
        //psxRegs.cycle = rregs.cycle + 2; // sync timing