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| author | neonloop | 2021-08-01 17:39:51 +0000 |
|---|---|---|
| committer | neonloop | 2021-08-01 17:39:51 +0000 |
| commit | baeeaca5858dfae6e63cf79994b8ff2aeb830283 (patch) | |
| tree | d0fe1081185ec73bedb2e741e221793bc8155068 | |
| parent | 8c8484e55fffa79c903c95c41a6794fca40a723b (diff) | |
| download | picogpsp-baeeaca5858dfae6e63cf79994b8ff2aeb830283.tar.gz picogpsp-baeeaca5858dfae6e63cf79994b8ff2aeb830283.tar.bz2 picogpsp-baeeaca5858dfae6e63cf79994b8ff2aeb830283.zip | |
This reverts commit aafde6de7b2a28c1684c0e9fa62fee9a2a5398dd.
This was causing trimmed roms to fail to load.
| -rw-r--r-- | arm/arm_emit.h | 2 | ||||
| -rw-r--r-- | cpu_threaded.c | 13 | ||||
| -rw-r--r-- | gba_memory.c | 12 |
3 files changed, 8 insertions, 19 deletions
diff --git a/arm/arm_emit.h b/arm/arm_emit.h index 22ca763..17ec744 100644 --- a/arm/arm_emit.h +++ b/arm/arm_emit.h @@ -1239,10 +1239,12 @@ u32 execute_store_cpsr_body(u32 _cpsr, u32 store_mask, u32 address) #define emit_trace_instruction(pc) \ generate_save_flags(); \ + ARM_LDR_IMM(0, ARMREG_SP, reg_base, 34*4); \ ARM_STMDB_WB(0, ARMREG_SP, 0x500C); \ arm_load_imm_32bit(reg_a0, pc); \ generate_function_call(trace_instruction); \ ARM_LDMIA_WB(0, ARMREG_SP, 0x500C); \ + arm_load_imm_32bit(ARMREG_SP, (u32)reg); \ generate_restore_flags(); #define emit_trace_thumb_instruction(pc) \ emit_trace_instruction(pc) diff --git a/cpu_threaded.c b/cpu_threaded.c index 148fd78..cad19ec 100644 --- a/cpu_threaded.c +++ b/cpu_threaded.c @@ -309,7 +309,6 @@ void translate_icache_sync() { { \ /* MUL rd, rm, rs */ \ arm_multiply(no, no); \ - cycle_count += 2; /* variable 1..4, pick 2 as an aprox. */ \ } \ } \ else \ @@ -327,7 +326,6 @@ void translate_icache_sync() { case 0: \ /* MULS rd, rm, rs */ \ arm_multiply(no, yes); \ - cycle_count += 2; /* variable 1..4, pick 2 as an aprox. */ \ break; \ \ case 1: \ @@ -365,7 +363,6 @@ void translate_icache_sync() { { \ /* MLA rd, rm, rs, rn */ \ arm_multiply(yes, no); \ - cycle_count += 3; /* variable 2..5, pick 3 as an aprox. */ \ } \ } \ else \ @@ -383,7 +380,6 @@ void translate_icache_sync() { case 0: \ /* MLAS rd, rm, rs, rn */ \ arm_multiply(yes, yes); \ - cycle_count += 3; /* variable 2..5, pick 3 as an aprox. */ \ break; \ \ case 1: \ @@ -503,7 +499,6 @@ void translate_icache_sync() { { \ /* UMULL rd, rm, rs */ \ arm_multiply_long(u64, no, no); \ - cycle_count += 3; /* this is an aproximation :P */ \ } \ } \ else \ @@ -521,7 +516,6 @@ void translate_icache_sync() { case 0: \ /* UMULLS rdlo, rdhi, rm, rs */ \ arm_multiply_long(u64, no, yes); \ - cycle_count += 3; /* this is an aproximation :P */ \ break; \ \ case 1: \ @@ -559,7 +553,6 @@ void translate_icache_sync() { { \ /* UMLAL rd, rm, rs */ \ arm_multiply_long(u64_add, yes, no); \ - cycle_count += 3; /* Between 2 and 5 cycles? */ \ } \ } \ else \ @@ -577,7 +570,6 @@ void translate_icache_sync() { case 0: \ /* UMLALS rdlo, rdhi, rm, rs */ \ arm_multiply_long(u64_add, yes, yes); \ - cycle_count += 3; /* Between 2 and 5 cycles? */ \ break; \ \ case 1: \ @@ -615,7 +607,6 @@ void translate_icache_sync() { { \ /* SMULL rd, rm, rs */ \ arm_multiply_long(s64, no, no); \ - cycle_count += 2; /* Between 1 and 4 cycles? */ \ } \ } \ else \ @@ -633,7 +624,6 @@ void translate_icache_sync() { case 0: \ /* SMULLS rdlo, rdhi, rm, rs */ \ arm_multiply_long(s64, no, yes); \ - cycle_count += 2; /* Between 1 and 4 cycles? */ \ break; \ \ case 1: \ @@ -671,7 +661,6 @@ void translate_icache_sync() { { \ /* SMLAL rd, rm, rs */ \ arm_multiply_long(s64_add, yes, no); \ - cycle_count += 3; /* Between 2 and 5 cycles? */ \ } \ } \ else \ @@ -689,7 +678,6 @@ void translate_icache_sync() { case 0: \ /* SMLALS rdlo, rdhi, rm, rs */ \ arm_multiply_long(s64_add, yes, yes); \ - cycle_count += 3; /* Between 2 and 5 cycles? */ \ break; \ \ case 1: \ @@ -1894,7 +1882,6 @@ void translate_icache_sync() { case 0x01: \ /* MUL rd, rs */ \ thumb_data_proc(alu_op, muls, reg, rd, rd, rs); \ - cycle_count += 2; /* Between 1 and 4 extra cycles */ \ break; \ \ case 0x02: \ diff --git a/gba_memory.c b/gba_memory.c index f397797..b550d4a 100644 --- a/gba_memory.c +++ b/gba_memory.c @@ -3157,12 +3157,12 @@ static void init_memory_gamepak(void) } else { - /* Map the ROM using mirroring, not many games use it */ - unsigned numblocks = gamepak_size >> 15; - map_region(read, 0x8000000, 0xA000000, numblocks, gamepak_rom); - map_region(read, 0xA000000, 0xC000000, numblocks, gamepak_rom); - map_region(read, 0xC000000, 0xD000000, numblocks, gamepak_rom); - /* Do not map D-E regions since they are also used for FLASH */ + map_region(read, 0x8000000, 0x8000000 + gamepak_size, 1024, gamepak_rom); + map_null(read, 0x8000000 + gamepak_size, 0xA000000); + map_region(read, 0xA000000, 0xA000000 + gamepak_size, 1024, gamepak_rom); + map_null(read, 0xA000000 + gamepak_size, 0xC000000); + map_region(read, 0xC000000, 0xC000000 + gamepak_size, 1024, gamepak_rom); + map_null(read, 0xC000000 + gamepak_size, 0xE000000); } } |