X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=libpcsxcore%2Fnew_dynarec%2Fnew_dynarec.c;h=2ca0f60448ecbadf04cc170d7c09f9456ffa5da7;hb=d1150cd66676ce43b8451c65818c2dc3e2f8a1d6;hp=0900736d3d212970de8eaf9b9d6159a514d106ef;hpb=7f94b097581d5833921f6db86f18c7ef1203aa62;p=pcsx_rearmed.git diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c index 0900736d..2ca0f604 100644 --- a/libpcsxcore/new_dynarec/new_dynarec.c +++ b/libpcsxcore/new_dynarec/new_dynarec.c @@ -49,6 +49,7 @@ //#define DISASM //#define ASSEM_PRINT +//#define REG_ALLOC_PRINT #ifdef ASSEM_PRINT #define assem_debug printf @@ -75,9 +76,17 @@ #define MAXBLOCK 4096 #define MAX_OUTPUT_BLOCK_SIZE 262144 +#ifdef VITA +// apparently Vita has a 16MB limit, so either we cut tc in half, +// or use this hack (it's a hack because tc size was designed to be power-of-2) +#define TC_REDUCE_BYTES 4096 +#else +#define TC_REDUCE_BYTES 0 +#endif + struct ndrc_mem { - u_char translation_cache[1 << TARGET_SIZE_2]; + u_char translation_cache[(1 << TARGET_SIZE_2) - TC_REDUCE_BYTES]; struct { struct tramp_insns ops[2048 / sizeof(struct tramp_insns)]; @@ -289,7 +298,7 @@ static struct decoded_insn //#define FLOAT 19 // Floating point unit //#define FCONV 20 // Convert integer to float //#define FCOMP 21 // Floating point compare (sets FSREG) -#define SYSCALL 22// SYSCALL +#define SYSCALL 22// SYSCALL,BREAK #define OTHER 23 // Other #define SPAN 24 // Branch/delay slot spans 2 pages #define NI 25 // Not implemented @@ -320,6 +329,10 @@ void verify_code_ds(); void cc_interrupt(); void fp_exception(); void fp_exception_ds(); +void jump_syscall (u_int u0, u_int u1, u_int pc); +void jump_syscall_ds(u_int u0, u_int u1, u_int pc); +void jump_break (u_int u0, u_int u1, u_int pc); +void jump_break_ds(u_int u0, u_int u1, u_int pc); void jump_to_new_pc(); void call_gteStall(); void new_dyna_leave(); @@ -918,6 +931,10 @@ static const struct { FUNCNAME(jump_handler_write32), FUNCNAME(invalidate_addr), FUNCNAME(jump_to_new_pc), + FUNCNAME(jump_break), + FUNCNAME(jump_break_ds), + FUNCNAME(jump_syscall), + FUNCNAME(jump_syscall_ds), FUNCNAME(call_gteStall), FUNCNAME(new_dyna_leave), FUNCNAME(pcsx_mtc0), @@ -3927,9 +3944,16 @@ static void call_c_cpu_handler(int i, const struct regstat *i_regs, int ccadj_, static void syscall_assemble(int i, const struct regstat *i_regs, int ccadj_) { - emit_movimm(0x20,0); // cause code - emit_movimm(0,1); // not in delay slot - call_c_cpu_handler(i, i_regs, ccadj_, start+i*4, psxException); + // 'break' tends to be littered around to catch things like + // division by 0 and is almost never executed, so don't emit much code here + void *func = (dops[i].opcode2 == 0x0C) + ? (is_delayslot ? jump_syscall_ds : jump_syscall) + : (is_delayslot ? jump_break_ds : jump_break); + signed char ccreg = get_reg(i_regs->regmap, CCREG); + assert(ccreg == HOST_CCREG); + emit_movimm(start + i*4, 2); // pc + emit_addimm(HOST_CCREG, ccadj_ + CLOCK_ADJUST(1), HOST_CCREG); + emit_far_jump(func); } static void hlecall_assemble(int i, const struct regstat *i_regs, int ccadj_) @@ -6844,7 +6868,7 @@ void new_dynarec_clear_full(void) void new_dynarec_init(void) { - SysPrintf("Init new dynarec\n"); + SysPrintf("Init new dynarec, ndrc size %x\n", (int)sizeof(*ndrc)); #ifdef _3DS check_rosalina(); @@ -6852,11 +6876,11 @@ void new_dynarec_init(void) #ifdef BASE_ADDR_DYNAMIC #ifdef VITA sceBlock = getVMBlock(); //sceKernelAllocMemBlockForVM("code", sizeof(*ndrc)); - if (sceBlock < 0) - SysPrintf("sceKernelAllocMemBlockForVM failed\n"); + if (sceBlock <= 0) + SysPrintf("sceKernelAllocMemBlockForVM failed: %x\n", sceBlock); int ret = sceKernelGetMemBlockBase(sceBlock, (void **)&ndrc); if (ret < 0) - SysPrintf("sceKernelGetMemBlockBase failed\n"); + SysPrintf("sceKernelGetMemBlockBase failed: %x\n", ret); sceKernelOpenVMDomain(); sceClibPrintf("translation_cache = 0x%08lx\n ", (long)ndrc->translation_cache); #elif defined(_MSC_VER) @@ -6904,6 +6928,7 @@ void new_dynarec_cleanup(void) int n; #ifdef BASE_ADDR_DYNAMIC #ifdef VITA + // sceBlock is managed by retroarch's bootstrap code //sceKernelFreeMemBlock(sceBlock); //sceBlock = -1; #else @@ -7191,7 +7216,7 @@ int new_recompile_block(u_int addr) case 0x08: strcpy(insn[i],"JR"); type=RJUMP; break; case 0x09: strcpy(insn[i],"JALR"); type=RJUMP; break; case 0x0C: strcpy(insn[i],"SYSCALL"); type=SYSCALL; break; - case 0x0D: strcpy(insn[i],"BREAK"); type=OTHER; break; + case 0x0D: strcpy(insn[i],"BREAK"); type=SYSCALL; break; case 0x0F: strcpy(insn[i],"SYNC"); type=OTHER; break; case 0x10: strcpy(insn[i],"MFHI"); type=MOV; break; case 0x11: strcpy(insn[i],"MTHI"); type=MOV; break; @@ -7637,9 +7662,9 @@ int new_recompile_block(u_int addr) // Don't get too close to the limit if(i>MAXBLOCK/2) done=1; } - if(dops[i].itype==SYSCALL&&stop_after_jal) done=1; - if(dops[i].itype==HLECALL||dops[i].itype==INTCALL) done=2; - if(done==2) { + if (dops[i].itype == SYSCALL || dops[i].itype == HLECALL || dops[i].itype == INTCALL) + done = stop_after_jal ? 1 : 2; + if (done == 2) { // Does the block continue due to a branch? for(j=i-1;j>=0;j--) { @@ -9012,7 +9037,7 @@ int new_recompile_block(u_int addr) dops[slen-1].bt=1; // Mark as a branch target so instruction can restart after exception } -#ifdef DISASM +#ifdef REG_ALLOC_PRINT /* Debug/disassembly */ for(i=0;i