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Added EEPROM saving to file.

This commit is contained in:
skidau 2015-01-24 12:09:35 +11:00
parent a7299a7fff
commit 8a561b57c3
4 changed files with 78 additions and 47 deletions
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106
Source/Core/Core/HW/EXI_DeviceAGP.cpp
View File

@ -11,11 +11,11 @@
#include "Core/HW/EXI_DeviceAGP.h"
#include "Core/HW/Memmap.h"
CEXIAgp::CEXIAgp(int index) :
m_slot(index)
CEXIAgp::CEXIAgp(int index)
{
m_slot = index;
// Create the ROM
m_pHashArray = (u8*)AllocateMemoryPages(HASH_SIZE);
m_rom_size = 0;
LoadRom();
@ -26,16 +26,25 @@ CEXIAgp::CEXIAgp(int index) :
CEXIAgp::~CEXIAgp()
{
m_pROM = nullptr;
m_pHashArray = nullptr;
std::string path;
std::string filename;
std::string ext;
std::string gbapath;
SplitPath(m_slot == 0 ? SConfig::GetInstance().m_strGbaCartA : SConfig::GetInstance().m_strGbaCartB, &path, &filename, &ext);
gbapath = path + filename;
SaveFileFromEEPROM(gbapath + ".sav");
}
void CEXIAgp::DoHash(u8* data, u32 size)
{
if (!m_rom_hash_loaded)
LoadHash();
for (u32 it = 0; it < size; it++)
{
m_hash = m_hash ^ data[it];
m_hash = m_pHashArray[m_hash];
m_hash = m_hash_array[m_hash];
}
}
@ -49,9 +58,9 @@ void CEXIAgp::LoadRom()
SplitPath(m_slot == 0 ? SConfig::GetInstance().m_strGbaCartA : SConfig::GetInstance().m_strGbaCartB, &path, &filename, &ext);
gbapath = path + filename;
LoadFileToROM(gbapath + ext);
INFO_LOG(EXPANSIONINTERFACE, "Loaded gba rom: %s card: %d", gbapath.c_str(), m_slot);
INFO_LOG(EXPANSIONINTERFACE, "Loaded GBA rom: %s card: %d", gbapath.c_str(), m_slot);
LoadFileToEEPROM(gbapath + ".sav");
INFO_LOG(EXPANSIONINTERFACE, "Loaded gba sav: %s card: %d", gbapath.c_str(), m_slot);
INFO_LOG(EXPANSIONINTERFACE, "Loaded GBA sav: %s card: %d", gbapath.c_str(), m_slot);
}
void CEXIAgp::LoadFileToROM(std::string filename)
@ -63,14 +72,14 @@ void CEXIAgp::LoadFileToROM(std::string filename)
m_rom_size = filesize & 0xFFFFFFFF;
m_rom_mask = (m_rom_size - 1);
m_pROM = (u8*)AllocateMemoryPages(m_rom_size);
m_rom.resize(m_rom_size);
pStream.ReadBytes(m_pROM, filesize);
pStream.ReadBytes(m_rom.data(), filesize);
}
else
{
// dummy rom data
m_pROM = (u8*)AllocateMemoryPages(0x2000);
m_rom.resize(0x2000);
}
}
@ -83,9 +92,18 @@ void CEXIAgp::LoadFileToEEPROM(std::string filename)
m_eeprom_size = filesize & 0xFFFFFFFF;
m_eeprom_mask = (m_eeprom_size - 1);
m_pEEPROM = (u8*)AllocateMemoryPages(m_eeprom_size);
m_eeprom.resize(m_eeprom_size);
pStream.ReadBytes(m_pEEPROM, filesize);
pStream.ReadBytes(m_eeprom.data(), filesize);
}
}
void CEXIAgp::SaveFileFromEEPROM(std::string filename)
{
File::IOFile pStream(filename, "wb");
if (pStream)
{
pStream.WriteBytes(m_eeprom.data(), m_eeprom_size);
}
}
@ -95,11 +113,16 @@ void CEXIAgp::LoadHash()
{
for (int i = 0; i < 0x100; i++)
{
m_pHashArray[i] = Memory::ReadUnchecked_U8(0x0017e908 + i);
// Load the ROM hash expected by the AGP
m_hash_array[i] = Memory::ReadUnchecked_U8(0x0017e908 + i);
}
// Verify the hash
if (m_hash_array[HASH_SIZE - 1] == 0x35)
{
m_rom_hash_loaded = true;
}
}
}
u32 CEXIAgp::ImmRead(u32 _uSize)
{
@ -108,16 +131,16 @@ u32 CEXIAgp::ImmRead(u32 _uSize)
u32 uData = 0;
u8 RomVal1, RomVal2, RomVal3, RomVal4;
switch (m_currrent_cmd)
switch (m_current_cmd)
{
case 0xAE000000:
uData = 0x5AAA5517; // 17 is precalculated hash
m_currrent_cmd = 0;
m_current_cmd = 0;
break;
case 0xAE010000:
uData = (m_return_pos == 0) ? 0x01020304 : 0xF0020304; // F0 is precalculated hash, 020304 is left over
if (m_return_pos == 1)
m_currrent_cmd = 0;
m_current_cmd = 0;
else
m_return_pos = 1;
break;
@ -129,28 +152,26 @@ u32 CEXIAgp::ImmRead(u32 _uSize)
}
else
{
RomVal1 = m_pROM[m_rw_offset++];
RomVal2 = m_pROM[m_rw_offset++];
LoadHash();
RomVal1 = m_rom[m_rw_offset++];
RomVal2 = m_rom[m_rw_offset++];
}
DoHash(&RomVal2, 1);
DoHash(&RomVal1, 1);
uData = (RomVal2 << 24) | (RomVal1 << 16) | (m_hash << 8);
m_currrent_cmd = 0;
m_current_cmd = 0;
break;
case 0xAE030000:
if (_uSize == 1)
{
uData = 0xFF000000;
m_currrent_cmd = 0;
m_current_cmd = 0;
}
else
{
RomVal1 = m_pROM[m_rw_offset++];
RomVal2 = m_pROM[m_rw_offset++];
RomVal3 = m_pROM[m_rw_offset++];
RomVal4 = m_pROM[m_rw_offset++];
LoadHash();
RomVal1 = m_rom[m_rw_offset++];
RomVal2 = m_rom[m_rw_offset++];
RomVal3 = m_rom[m_rw_offset++];
RomVal4 = m_rom[m_rw_offset++];
DoHash(&RomVal2, 1);
DoHash(&RomVal1, 1);
DoHash(&RomVal4, 1);
@ -159,21 +180,21 @@ u32 CEXIAgp::ImmRead(u32 _uSize)
}
break;
case 0xAE0B0000:
RomVal1 = m_eeprom_pos < 4 ? 0xA : (((u64*)m_pEEPROM)[(m_eeprom_cmd >> 1) & 0x3F] >> (m_eeprom_pos - 4)) & 0x1;
RomVal1 = m_eeprom_pos < 4 ? 0xA : (((u64*)m_eeprom.data())[(m_eeprom_cmd >> 1) & 0x3F] >> (m_eeprom_pos - 4)) & 0x1;
RomVal2 = 0;
DoHash(&RomVal2, 1);
DoHash(&RomVal1, 1);
uData = (RomVal2 << 24) | (RomVal1 << 16) | (m_hash << 8);
m_eeprom_pos++;
m_currrent_cmd = 0;
m_current_cmd = 0;
break;
case 0xAE0C0000:
uData = m_hash << 24;
m_currrent_cmd = 0;
m_current_cmd = 0;
break;
default:
uData = 0x0;
m_currrent_cmd = 0;
m_current_cmd = 0;
break;
}
INFO_LOG(EXPANSIONINTERFACE, "AGP read %x", uData);
@ -188,7 +209,7 @@ void CEXIAgp::ImmWrite(u32 _uData, u32 _uSize)
u8 HashCmd;
u64 Mask;
INFO_LOG(EXPANSIONINTERFACE, "AGP command %x", _uData);
switch (m_currrent_cmd)
switch (m_current_cmd)
{
case 0xAE020000:
case 0xAE030000:
@ -210,7 +231,7 @@ void CEXIAgp::ImmWrite(u32 _uData, u32 _uSize)
else
m_eeprom_cmd &= ~Mask;
if (m_eeprom_pos == 0x48)
((u64*)(m_pEEPROM))[(m_eeprom_cmd >> 1) & 0x3F] = m_eeprom_data;
((u64*)(m_eeprom.data()))[(m_eeprom_cmd >> 1) & 0x3F] = m_eeprom_data;
}
else
{
@ -235,7 +256,7 @@ void CEXIAgp::ImmWrite(u32 _uData, u32 _uSize)
case 0xAE0A0000:
default:
m_eeprom_pos = 0;
m_currrent_cmd = _uData;
m_current_cmd = _uData;
m_return_pos = 0;
m_hash = 0xFF;
HashCmd = (_uData & 0x00FF0000) >> 16;
@ -246,8 +267,21 @@ void CEXIAgp::ImmWrite(u32 _uData, u32 _uSize)
void CEXIAgp::DoState(PointerWrap &p)
{
p.Do(m_position);
p.Do(m_slot);
p.Do(m_address);
p.Do(m_rw_offset);
p.Do(m_current_cmd);
p.Do(m_eeprom);
p.Do(m_eeprom_cmd);
p.Do(m_eeprom_data);
p.Do(m_eeprom_mask);
p.Do(m_eeprom_pos);
p.Do(m_eeprom_size);
p.Do(m_hash);
p.Do(m_hash_array);
p.Do(m_position);
p.Do(m_return_pos);
p.Do(m_rom);
p.Do(m_rom_mask);
p.Do(m_rom_size);
p.Do(m_rw_offset);
}

9
Source/Core/Core/HW/EXI_DeviceAGP.h
View File

@ -35,9 +35,9 @@ private:
u32 m_rom_mask = 0;
u32 m_eeprom_size = 0;
u32 m_eeprom_mask = 0;
u8* m_pROM;
u8* m_pEEPROM;
u8* m_pHashArray;
std::vector<u8> m_rom;
std::vector<u8> m_eeprom;
std::array<u8, HASH_SIZE> m_hash_array;
//! Helper
u32 m_position = 0;
@ -49,12 +49,13 @@ private:
void LoadFileToROM(std::string filename);
void LoadFileToEEPROM(std::string filename);
void SaveFileFromEEPROM(std::string filename);
void LoadHash();
void LoadRom();
void DoHash(u8* data, u32 size);
u8 m_hash = 0;
u32 m_currrent_cmd = 0;
u32 m_current_cmd = 0;
u32 m_return_pos = 0;
bool m_rom_hash_loaded = false;

2
Source/Core/Core/State.cpp
View File

@ -64,7 +64,7 @@ static Common::Event g_compressAndDumpStateSyncEvent;
static std::thread g_save_thread;
// Don't forget to increase this after doing changes on the savestate system
static const u32 STATE_VERSION = 38;
static const u32 STATE_VERSION = 39;
enum
{

6
Source/Core/DolphinWX/ConfigMain.cpp
View File

@ -1023,7 +1023,7 @@ void CConfigMain::GCSettingsChanged(wxCommandEvent& event)
ChooseSlotPath(true, SConfig::GetInstance().m_EXIDevice[0]);
break;
case ID_GC_EXIDEVICE_SLOTB_PATH:
ChooseSlotPath(false, SConfig::GetInstance().m_EXIDevice[0]);
ChooseSlotPath(false, SConfig::GetInstance().m_EXIDevice[1]);
break;
}
}
@ -1063,10 +1063,6 @@ void CConfigMain::ChooseSlotPath(bool isSlotA, TEXIDevices device_type)
return;
}
}
else
{
return;
}
}
#ifdef _WIN32
if (!strncmp(File::GetExeDirectory().c_str(), filename.c_str(), File::GetExeDirectory().size()))