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System: Support changing BIOS path

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This commit is contained in:
Connor McLaughlin
2019-11-11 18:19:57 +10:00
parent 7b6a2f1aaf
commit 6f4cf7d5e3
21 changed files with 93 additions and 77 deletions
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28
src/core/bus.cpp
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@ -1,6 +1,7 @@
#include "bus.h"
#include "YBaseLib/ByteStream.h"
#include "YBaseLib/Log.h"
#include "YBaseLib/MD5Digest.h"
#include "YBaseLib/String.h"
#include "cdrom.h"
#include "common/state_wrapper.h"
@ -31,12 +32,9 @@ Bus::Bus() = default;
Bus::~Bus() = default;
bool Bus::Initialize(CPU::Core* cpu, DMA* dma, InterruptController* interrupt_controller, GPU* gpu, CDROM* cdrom,
void Bus::Initialize(CPU::Core* cpu, DMA* dma, InterruptController* interrupt_controller, GPU* gpu, CDROM* cdrom,
Pad* pad, Timers* timers, SPU* spu, MDEC* mdec)
{
if (!LoadBIOS())
return false;
m_cpu = cpu;
m_dma = dma;
m_interrupt_controller = interrupt_controller;
@ -46,7 +44,6 @@ bool Bus::Initialize(CPU::Core* cpu, DMA* dma, InterruptController* interrupt_co
m_timers = timers;
m_spu = spu;
m_mdec = mdec;
return true;
}
void Bus::Reset()
@ -187,16 +184,26 @@ void Bus::PatchBIOS(u32 address, u32 value, u32 mask /*= UINT32_C(0xFFFFFFFF)*/)
old_disasm.GetCharArray(), new_value, new_disasm.GetCharArray());
}
void Bus::GetBIOSHash(u8 hash[16])
{
MD5Digest digest;
digest.Update(m_bios.data(), static_cast<u32>(m_bios.size()));
digest.Final(hash);
}
void Bus::SetExpansionROM(std::vector<u8> data)
{
m_exp1_rom = std::move(data);
}
bool Bus::LoadBIOS()
bool Bus::LoadBIOS(const char* filename)
{
std::FILE* fp = std::fopen("SCPH1001.BIN", "rb");
std::FILE* fp = std::fopen(filename, "rb");
if (!fp)
{
Log_ErrorPrintf("Failed to open BIOS image '%s'", filename);
return false;
}
std::fseek(fp, 0, SEEK_END);
const u32 size = static_cast<u32>(std::ftell(fp));
@ -217,13 +224,6 @@ bool Bus::LoadBIOS()
}
std::fclose(fp);
#if 1
// Patch to enable TTY.
PatchBIOS(BIOS_BASE + 0x6F0C, 0x24010001);
PatchBIOS(BIOS_BASE + 0x6F14, 0xAF81A9C0);
#endif
return true;
}