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BizHawk
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implement flag to clear DSi NAND of any titles that already happen to be installed, implement functions for importing/exporting dsiware sav files 

(c# changes using these pending)
This commit is contained in:
CasualPokePlayer 2023-03-31 06:17:39 -07:00
parent 7ae3f447d6
commit 8ce2aac868
2 changed files with 75 additions and 24 deletions
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Assets/dll/melonDS.wbx.zst
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99
waterbox/melon/BizInterface.cpp
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@ -21,6 +21,8 @@
#include <sstream>
constexpr u32 DSIWARE_CATEGORY = 0x00030004;
static GPU::RenderSettings biz_render_settings { false, 1, false };
static bool biz_skip_fw;
static time_t biz_time;
@ -36,7 +38,7 @@ typedef enum
USE_REAL_BIOS = 0x01,
SKIP_FIRMWARE = 0x02,
GBA_CART_PRESENT = 0x04,
RESERVED_FLAG = 0x08,
CLEAR_NAND = 0x08,
FIRMWARE_OVERRIDE = 0x10,
IS_DSI = 0x20,
LOAD_DSIWARE = 0x40,
@ -71,26 +73,6 @@ typedef struct
extern std::stringstream* NANDFilePtr;
static bool LoadDSiWare(u8* TmdData)
{
FILE* bios7i = Platform::OpenLocalFile(Config::DSiBIOS7Path, "rb");
if (!reinterpret_cast<void*>(bios7i))
return false;
u8 es_keyY[16];
fseek(bios7i, 0x8308, SEEK_SET);
fread(es_keyY, 16, 1, bios7i);
fclose(bios7i);
if (!DSi_NAND::Init(es_keyY))
return false;
bool ret = DSi_NAND::ImportTitle("dsiware.rom", TmdData, false);
DSi_NAND::DeInit();
return ret;
}
ECL_EXPORT bool Init(LoadFlags loadFlags, LoadData* loadData, FirmwareSettings* fwSettings)
{
Config::ExternalBIOSEnable = !!(loadFlags & USE_REAL_BIOS);
@ -120,10 +102,41 @@ ECL_EXPORT bool Init(LoadFlags loadFlags, LoadData* loadData, FirmwareSettings*
NANDFilePtr = isDsi ? new std::stringstream(std::string(loadData->NandData, loadData->NandLen), std::ios_base::in | std::ios_base::out | std::ios_base::binary) : nullptr;
if (isDsi && (loadFlags & LOAD_DSIWARE))
if (isDsi)
{
if (!LoadDSiWare(loadData->TmdData))
FILE* bios7i = Platform::OpenLocalFile(Config::DSiBIOS7Path, "rb");
if (!bios7i)
return false;
u8 es_keyY[16];
fseek(bios7i, 0x8308, SEEK_SET);
fread(es_keyY, 16, 1, bios7i);
fclose(bios7i);
if (!DSi_NAND::Init(es_keyY))
return false;
if (loadFlags & CLEAR_NAND)
{
std::vector<u32> titlelist;
DSi_NAND::ListTitles(DSIWARE_CATEGORY, titlelist);
for (auto& title : titlelist)
{
DSi_NAND::DeleteTitle(DSIWARE_CATEGORY, title);
}
}
if (loadFlags & LOAD_DSIWARE)
{
if (!DSi_NAND::ImportTitle("dsiware.rom", loadData->TmdData, false))
{
DSi_NAND::DeInit();
return false;
}
}
DSi_NAND::DeInit();
}
if (!NDS::Init()) return false;
@ -165,7 +178,7 @@ ECL_EXPORT void GetSaveRam(u8* data)
}
}
ECL_EXPORT s32 GetSaveRamLength()
ECL_EXPORT u32 GetSaveRamLength()
{
return NDSCart::Cart ? NDSCart::Cart->GetSaveLen() : 0;
}
@ -175,6 +188,44 @@ ECL_EXPORT bool SaveRamIsDirty()
return NdsSaveRamIsDirty;
}
ECL_EXPORT void ImportDSiWareSavs(u32 titleId)
{
if (DSi_NAND::Init(&DSi::ARM7iBIOS[0x8308]))
{
DSi_NAND::ImportTitleData(DSIWARE_CATEGORY, titleId, DSi_NAND::TitleData_PublicSav, "public.sav");
DSi_NAND::ImportTitleData(DSIWARE_CATEGORY, titleId, DSi_NAND::TitleData_PrivateSav, "private.sav");
DSi_NAND::ImportTitleData(DSIWARE_CATEGORY, titleId, DSi_NAND::TitleData_BannerSav, "banner.sav");
DSi_NAND::DeInit();
}
}
ECL_EXPORT void ExportDSiWareSavs(u32 titleId)
{
if (DSi_NAND::Init(&DSi::ARM7iBIOS[0x8308]))
{
DSi_NAND::ExportTitleData(DSIWARE_CATEGORY, titleId, DSi_NAND::TitleData_PublicSav, "public.sav");
DSi_NAND::ExportTitleData(DSIWARE_CATEGORY, titleId, DSi_NAND::TitleData_PrivateSav, "private.sav");
DSi_NAND::ExportTitleData(DSIWARE_CATEGORY, titleId, DSi_NAND::TitleData_BannerSav, "banner.sav");
DSi_NAND::DeInit();
}
}
ECL_EXPORT void DSiWareSavsLength(u32 titleId, u32* publicSavSize, u32* privateSavSize, u32* bannerSavSize)
{
*publicSavSize = *privateSavSize = *bannerSavSize = 0;
if (DSi_NAND::Init(&DSi::ARM7iBIOS[0x8308]))
{
u32 version;
NDSHeader header{};
DSi_NAND::GetTitleInfo(DSIWARE_CATEGORY, titleId, version, &header, nullptr);
*publicSavSize = header.DSiPublicSavSize;
*privateSavSize = header.DSiPrivateSavSize;
*bannerSavSize = (header.AppFlags & 0x04) ? 0x4000 : 0;
DSi_NAND::DeInit();
}
}
/* excerpted from gbatek
NDS9 Memory Map