ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GBA BIOS: Kill GBA_LOG_SWI

This commit is contained in:
Jeffrey Pfau 2016-02-08 05:25:46 -08:00
parent 4f43b574e2
commit b619ebf965
3 changed files with 23 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/gba/bios.c
View File

@ -13,6 +13,8 @@
const uint32_t GBA_BIOS_CHECKSUM = 0xBAAE187F;
const uint32_t GBA_DS_BIOS_CHECKSUM = 0xBAAE1880;
mLOG_DEFINE_CATEGORY(GBA_BIOS, "GBA BIOS");
static void _unLz77(struct GBA* gba, int width);
static void _unHuffman(struct GBA* gba);
static void _unRl(struct GBA* gba, int width);
@ -254,7 +256,7 @@ static void _Div(struct GBA* gba, int32_t num, int32_t denom) {
cpu->gprs[1] = result.rem;
cpu->gprs[3] = abs(result.quot);
} else {
GBALog(gba, GBA_LOG_GAME_ERROR, "Attempting to divide %i by zero!", num);
mLOG(GBA_BIOS, GAME_ERROR, "Attempting to divide %i by zero!", num);
// If abs(num) > 1, this should hang, but that would be painful to
// emulate in HLE, and no game will get into a state where it hangs...
cpu->gprs[0] = (num < 0) ? -1 : 1;
@ -265,7 +267,7 @@ static void _Div(struct GBA* gba, int32_t num, int32_t denom) {
void GBASwi16(struct ARMCore* cpu, int immediate) {
struct GBA* gba = (struct GBA*) cpu->master;
GBALog(gba, GBA_LOG_SWI, "SWI: %02X r0: %08X r1: %08X r2: %08X r3: %08X",
mLOG(GBA_BIOS, DEBUG, "SWI: %02X r0: %08X r1: %08X r2: %08X r3: %08X",
immediate, cpu->gprs[0], cpu->gprs[1], cpu->gprs[2], cpu->gprs[3]);
if (gba->memory.fullBios) {
@ -307,14 +309,14 @@ void GBASwi16(struct ARMCore* cpu, int immediate) {
case 0xB:
case 0xC:
if (cpu->gprs[0] >> BASE_OFFSET < REGION_WORKING_RAM) {
GBALog(gba, GBA_LOG_GAME_ERROR, "Cannot CpuSet from BIOS");
mLOG(GBA_BIOS, GAME_ERROR, "Cannot CpuSet from BIOS");
return;
}
if (cpu->gprs[0] & (cpu->gprs[2] & (1 << 26) ? 3 : 1)) {
GBALog(gba, GBA_LOG_GAME_ERROR, "Misaligned CpuSet source");
mLOG(GBA_BIOS, GAME_ERROR, "Misaligned CpuSet source");
}
if (cpu->gprs[1] & (cpu->gprs[2] & (1 << 26) ? 3 : 1)) {
GBALog(gba, GBA_LOG_GAME_ERROR, "Misaligned CpuSet destination");
mLOG(GBA_BIOS, GAME_ERROR, "Misaligned CpuSet destination");
}
ARMRaiseSWI(cpu);
break;
@ -332,12 +334,12 @@ void GBASwi16(struct ARMCore* cpu, int immediate) {
case 0x11:
case 0x12:
if (cpu->gprs[0] < BASE_WORKING_RAM) {
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad LZ77 source");
mLOG(GBA_BIOS, GAME_ERROR, "Bad LZ77 source");
break;
}
switch (cpu->gprs[1] >> BASE_OFFSET) {
default:
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad LZ77 destination");
mLOG(GBA_BIOS, GAME_ERROR, "Bad LZ77 destination");
// Fall through
case REGION_WORKING_RAM:
case REGION_WORKING_IRAM:
@ -348,12 +350,12 @@ void GBASwi16(struct ARMCore* cpu, int immediate) {
break;
case 0x13:
if (cpu->gprs[0] < BASE_WORKING_RAM) {
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad Huffman source");
mLOG(GBA_BIOS, GAME_ERROR, "Bad Huffman source");
break;
}
switch (cpu->gprs[1] >> BASE_OFFSET) {
default:
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad Huffman destination");
mLOG(GBA_BIOS, GAME_ERROR, "Bad Huffman destination");
// Fall through
case REGION_WORKING_RAM:
case REGION_WORKING_IRAM:
@ -365,12 +367,12 @@ void GBASwi16(struct ARMCore* cpu, int immediate) {
case 0x14:
case 0x15:
if (cpu->gprs[0] < BASE_WORKING_RAM) {
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad RL source");
mLOG(GBA_BIOS, GAME_ERROR, "Bad RL source");
break;
}
switch (cpu->gprs[1] >> BASE_OFFSET) {
default:
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad RL destination");
mLOG(GBA_BIOS, GAME_ERROR, "Bad RL destination");
// Fall through
case REGION_WORKING_RAM:
case REGION_WORKING_IRAM:
@ -383,12 +385,12 @@ void GBASwi16(struct ARMCore* cpu, int immediate) {
case 0x17:
case 0x18:
if (cpu->gprs[0] < BASE_WORKING_RAM) {
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad UnFilter source");
mLOG(GBA_BIOS, GAME_ERROR, "Bad UnFilter source");
break;
}
switch (cpu->gprs[1] >> BASE_OFFSET) {
default:
GBALog(gba, GBA_LOG_GAME_ERROR, "Bad UnFilter destination");
mLOG(GBA_BIOS, GAME_ERROR, "Bad UnFilter destination");
// Fall through
case REGION_WORKING_RAM:
case REGION_WORKING_IRAM:
@ -399,13 +401,13 @@ void GBASwi16(struct ARMCore* cpu, int immediate) {
break;
case 0x19:
// SoundBias is mostly meaningless here
GBALog(gba, GBA_LOG_STUB, "Stub software interrupt: SoundBias (19)");
mLOG(GBA_BIOS, STUB, "Stub software interrupt: SoundBias (19)");
break;
case 0x1F:
_MidiKey2Freq(gba);
break;
default:
GBALog(gba, GBA_LOG_STUB, "Stub software interrupt: %02X", immediate);
mLOG(GBA_BIOS, STUB, "Stub software interrupt: %02X", immediate);
}
gba->memory.biosPrefetch = 0xE3A02004;
}

9
src/gba/bios.h
View File

@ -8,13 +8,16 @@
#include "util/common.h"
#include "arm.h"
#include "arm/arm.h"
#include "core/log.h"
mLOG_DECLARE_CATEGORY(GBA_BIOS);
void GBASwi16(struct ARMCore* cpu, int immediate);
void GBASwi32(struct ARMCore* cpu, int immediate);
uint32_t GBAChecksum(uint32_t* memory, size_t size);
const uint32_t GBA_BIOS_CHECKSUM;
const uint32_t GBA_DS_BIOS_CHECKSUM;
extern const uint32_t GBA_BIOS_CHECKSUM;
extern const uint32_t GBA_DS_BIOS_CHECKSUM;
#endif

1
src/gba/interface.h
View File

@ -19,7 +19,6 @@ enum GBALogLevel {
GBA_LOG_STUB = 0x20,
GBA_LOG_GAME_ERROR = 0x100,
GBA_LOG_SWI = 0x200,
GBA_LOG_STATUS = 0x400,
GBA_LOG_SIO = 0x800,