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Merge branch 'optimization/idle-loops'

This commit is contained in:
Jeffrey Pfau 2015-03-31 21:48:26 -07:00
parent bed6a0c130 817dec97c2
commit 24b0e78360
5 changed files with 30 additions and 12 deletions
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1
src/gba/gba.c
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@ -87,6 +87,7 @@ static void GBAInit(struct ARMCore* cpu, struct ARMComponent* component) {
gba->idleOptimization = IDLE_LOOP_REMOVE;
gba->idleLoop = IDLE_LOOP_NONE;
gba->lastJump = 0;
gba->haltPending = false;
gba->idleDetectionStep = 0;
gba->idleDetectionFailures = 0;

1
src/gba/gba.h
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@ -157,6 +157,7 @@ struct GBA {
enum GBAIdleLoopOptimization idleOptimization;
uint32_t idleLoop;
uint32_t lastJump;
bool haltPending;
int idleDetectionStep;
int idleDetectionFailures;
int32_t cachedRegisters[16];

2
src/gba/io.c
View File

@ -567,7 +567,7 @@ void GBAIOWrite32(struct GBA* gba, uint32_t address, uint32_t value) {
}
uint16_t GBAIORead(struct GBA* gba, uint32_t address) {
gba->lastJump = -1; // IO reads need to invalidate detected idle loops
gba->haltPending = false; // IO reads need to invalidate detected idle loops
switch (address) {
case REG_TM0CNT_LO:
GBATimerUpdateRegister(gba, 0);

9
src/gba/memory.c
View File

@ -197,8 +197,13 @@ static void GBASetActiveRegion(struct ARMCore* cpu, uint32_t address) {
int newRegion = address >> BASE_OFFSET;
if (gba->idleOptimization >= IDLE_LOOP_REMOVE && memory->activeRegion != REGION_BIOS) {
if (address == gba->lastJump && address == gba->idleLoop) {
GBAHalt(gba);
if (address == gba->idleLoop) {
if (gba->haltPending) {
gba->haltPending = false;
GBAHalt(gba);
} else {
gba->haltPending = true;
}
} else if (gba->idleOptimization >= IDLE_LOOP_DETECT && newRegion == memory->activeRegion) {
if (address == gba->lastJump) {
switch (gba->idleDetectionStep) {

29
src/gba/supervisor/overrides.c
View File

@ -11,6 +11,10 @@
#include "util/configuration.h"
static const struct GBACartridgeOverride _overrides[] = {
// Advance Wars
{ "AWRE", SAVEDATA_FLASH512, HW_NONE, 0x8038810 },
{ "AWRP", SAVEDATA_FLASH512, HW_NONE, 0x8038810 },
// Boktai: The Sun is in Your Hand
{ "U3IJ", SAVEDATA_EEPROM, HW_RTC | HW_LIGHT_SENSOR, IDLE_LOOP_NONE },
{ "U3IE", SAVEDATA_EEPROM, HW_RTC | HW_LIGHT_SENSOR, IDLE_LOOP_NONE },
@ -47,6 +51,9 @@ static const struct GBACartridgeOverride _overrides[] = {
// Mega Man Battle Network
{ "AREE", SAVEDATA_SRAM, HW_NONE, 0x800032E },
// Mega Man Zero
{ "AZCE", SAVEDATA_SRAM, HW_NONE, 0x80004E8 },
// Metal Slug Advance
{ "BSME", SAVEDATA_EEPROM, HW_NONE, 0x8000290 },
@ -69,13 +76,13 @@ static const struct GBACartridgeOverride _overrides[] = {
{ "AXPF", SAVEDATA_FLASH1M, HW_RTC, IDLE_LOOP_NONE },
// Pokemon Emerald
{ "BPEJ", SAVEDATA_FLASH1M, HW_RTC, IDLE_LOOP_NONE },
{ "BPEJ", SAVEDATA_FLASH1M, HW_RTC, 0x80008C6 },
{ "BPEE", SAVEDATA_FLASH1M, HW_RTC, 0x80008C6 },
{ "BPEP", SAVEDATA_FLASH1M, HW_RTC, IDLE_LOOP_NONE },
{ "BPEI", SAVEDATA_FLASH1M, HW_RTC, IDLE_LOOP_NONE },
{ "BPES", SAVEDATA_FLASH1M, HW_RTC, IDLE_LOOP_NONE },
{ "BPED", SAVEDATA_FLASH1M, HW_RTC, IDLE_LOOP_NONE },
{ "BPEF", SAVEDATA_FLASH1M, HW_RTC, IDLE_LOOP_NONE },
{ "BPEP", SAVEDATA_FLASH1M, HW_RTC, 0x80008C6 },
{ "BPEI", SAVEDATA_FLASH1M, HW_RTC, 0x80008C6 },
{ "BPES", SAVEDATA_FLASH1M, HW_RTC, 0x80008C6 },
{ "BPED", SAVEDATA_FLASH1M, HW_RTC, 0x80008C6 },
{ "BPEF", SAVEDATA_FLASH1M, HW_RTC, 0x80008C6 },
// Pokemon Mystery Dungeon
{ "B24J", SAVEDATA_FLASH1M, HW_NONE, IDLE_LOOP_NONE },
@ -115,15 +122,19 @@ static const struct GBACartridgeOverride _overrides[] = {
{ "U33J", SAVEDATA_EEPROM, HW_RTC | HW_LIGHT_SENSOR, IDLE_LOOP_NONE },
// Super Mario Advance 2
{ "AA2J", SAVEDATA_EEPROM, HW_NONE, 0x800052E },
{ "AA2E", SAVEDATA_EEPROM, HW_NONE, 0x800052E },
{ "AA2P", SAVEDATA_EEPROM, HW_NONE, 0x800052E },
// Super Mario Advance 3
{ "A3AJ", SAVEDATA_EEPROM, HW_NONE, 0x8002B9C },
{ "A3AE", SAVEDATA_EEPROM, HW_NONE, 0x8002B9C },
{ "A3AP", SAVEDATA_EEPROM, HW_NONE, 0x8002B9C },
// Super Mario Advance 4
{ "AX4J", SAVEDATA_FLASH1M, HW_NONE, IDLE_LOOP_NONE },
{ "AX4E", SAVEDATA_FLASH1M, HW_NONE, IDLE_LOOP_NONE },
{ "AX4P", SAVEDATA_FLASH1M, HW_NONE, IDLE_LOOP_NONE },
{ "AX4J", SAVEDATA_FLASH1M, HW_NONE, 0x800072A },
{ "AX4E", SAVEDATA_FLASH1M, HW_NONE, 0x800072A },
{ "AX4P", SAVEDATA_FLASH1M, HW_NONE, 0x800072A },
// Top Gun - Combat Zones
{ "A2YE", SAVEDATA_FORCE_NONE, HW_NONE, IDLE_LOOP_NONE },