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Core: Add generic checksum function

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This commit is contained in:
Vicki Pfau 2017-01-17 18:29:58 -08:00
parent e52001e406
commit 22a36e0af9
6 changed files with 31 additions and 21 deletions
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1
CHANGES
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@ -46,6 +46,7 @@ Misc:
- Feature: Move game database from flatfile to SQLite3
- GB Audio: Start implementing "zombie" audio (fixes mgba.io/i/389)
- VFS: Fix some minor VFile issues with FILEs
- Core: Add generic checksum function
0.5.2: (2016-12-31)
Bugfixes:

5
include/mgba/core/core.h
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@ -33,6 +33,10 @@ enum mPlatform {
#endif
};
enum mCoreChecksumType {
CHECKSUM_CRC32,
};
struct mRTCSource;
struct mCoreConfig;
struct mCoreSync;
@ -77,6 +81,7 @@ struct mCore {
bool (*loadSave)(struct mCore*, struct VFile* vf);
bool (*loadTemporarySave)(struct mCore*, struct VFile* vf);
void (*unloadROM)(struct mCore*);
void (*checksum)(const struct mCore*, void* data, enum mCoreChecksumType type);
bool (*loadBIOS)(struct mCore*, struct VFile* vf, int biosID);
bool (*selectBIOS)(struct mCore*, int biosID);

11
src/gb/core.c
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@ -211,6 +211,16 @@ static void _GBCoreUnloadROM(struct mCore* core) {
return GBUnloadROM(core->board);
}
static void _GBCoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
struct GB* gb = (struct GB*) core->board;
switch (type) {
case CHECKSUM_CRC32:
memcpy(data, &gb->romCrc32, sizeof(gb->romCrc32));
break;
}
return;
}
static void _GBCoreReset(struct mCore* core) {
struct GBCore* gbcore = (struct GBCore*) core;
struct GB* gb = (struct GB*) core->board;
@ -543,6 +553,7 @@ struct mCore* GBCoreCreate(void) {
core->loadTemporarySave = _GBCoreLoadTemporarySave;
core->loadPatch = _GBCoreLoadPatch;
core->unloadROM = _GBCoreUnloadROM;
core->checksum = _GBCoreChecksum;
core->reset = _GBCoreReset;
core->runFrame = _GBCoreRunFrame;
core->runLoop = _GBCoreRunLoop;

11
src/gba/core.c
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@ -247,6 +247,16 @@ static void _GBACoreUnloadROM(struct mCore* core) {
return GBAUnloadROM(core->board);
}
static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
struct GBA* gba = (struct GBA*) core->board;
switch (type) {
case CHECKSUM_CRC32:
memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
break;
}
return;
}
static void _GBACoreReset(struct mCore* core) {
struct GBACore* gbacore = (struct GBACore*) core;
struct GBA* gba = (struct GBA*) core->board;
@ -562,6 +572,7 @@ struct mCore* GBACoreCreate(void) {
core->loadTemporarySave = _GBACoreLoadTemporarySave;
core->loadPatch = _GBACoreLoadPatch;
core->unloadROM = _GBACoreUnloadROM;
core->checksum = _GBACoreChecksum;
core->reset = _GBACoreReset;
core->runFrame = _GBACoreRunFrame;
core->runLoop = _GBACoreRunLoop;

4
src/platform/qt/ROMInfo.cpp
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@ -48,12 +48,13 @@ ROMInfo::ROMInfo(GameController* controller, QWidget* parent)
m_ui.id->setText(tr("(unknown)"));
}
core->checksum(core, &crc32, CHECKSUM_CRC32);
switch (controller->thread()->core->platform(controller->thread()->core)) {
#ifdef M_CORE_GBA
case PLATFORM_GBA: {
GBA* gba = static_cast<GBA*>(core->board);
m_ui.size->setText(QString::number(gba->pristineRomSize) + tr(" bytes"));
crc32 = gba->romCrc32;
break;
}
#endif
@ -61,7 +62,6 @@ ROMInfo::ROMInfo(GameController* controller, QWidget* parent)
case PLATFORM_GB: {
GB* gb = static_cast<GB*>(core->board);
m_ui.size->setText(QString::number(gb->pristineRomSize) + tr(" bytes"));
crc32 = gb->romCrc32;
break;
}
#endif

20
src/platform/qt/Window.cpp
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@ -831,25 +831,7 @@ void Window::updateTitle(float fps) {
const NoIntroDB* db = GBAApp::app()->gameDB();
NoIntroGame game{};
uint32_t crc32 = 0;
switch (m_controller->thread()->core->platform(m_controller->thread()->core)) {
#ifdef M_CORE_GBA
case PLATFORM_GBA: {
GBA* gba = static_cast<GBA*>(m_controller->thread()->core->board);
crc32 = gba->romCrc32;
break;
}
#endif
#ifdef M_CORE_GB
case PLATFORM_GB: {
GB* gb = static_cast<GB*>(m_controller->thread()->core->board);
crc32 = gb->romCrc32;
break;
}
#endif
default:
break;
}
m_controller->thread()->core->checksum(m_controller->thread()->core, &crc32, CHECKSUM_CRC32);
char gameTitle[17] = { '\0' };
mCore* core = m_controller->thread()->core;