citra/src/core/hw/lcd.cpp
2016-09-18 09:38:01 +09:00

79 lines
2.3 KiB
C++

// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/hw/hw.h"
#include "core/hw/lcd.h"
#include "core/tracer/recorder.h"
#include "video_core/debug_utils/debug_utils.h"
namespace LCD {
Regs g_regs;
template <typename T>
inline void Read(T& var, const u32 raw_addr) {
u32 addr = raw_addr - HW::VADDR_LCD;
u32 index = addr / 4;
// Reads other than u32 are untested, so I'd rather have them abort than silently fail
if (index >= 0x400 || !std::is_same<T, u32>::value) {
LOG_ERROR(HW_LCD, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, addr);
return;
}
var = g_regs[index];
}
template <typename T>
inline void Write(u32 addr, const T data) {
addr -= HW::VADDR_LCD;
u32 index = addr / 4;
// Writes other than u32 are untested, so I'd rather have them abort than silently fail
if (index >= 0x400 || !std::is_same<T, u32>::value) {
LOG_ERROR(HW_LCD, "unknown Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data, addr);
return;
}
g_regs[index] = static_cast<u32>(data);
// Notify tracer about the register write
// This is happening *after* handling the write to make sure we properly catch all memory reads.
if (Pica::g_debug_context && Pica::g_debug_context->recorder) {
// addr + GPU VBase - IO VBase + IO PBase
Pica::g_debug_context->recorder->RegisterWritten<T>(
addr + HW::VADDR_LCD - 0x1EC00000 + 0x10100000, data);
}
}
// Explicitly instantiate template functions because we aren't defining this in the header:
template void Read<u64>(u64& var, const u32 addr);
template void Read<u32>(u32& var, const u32 addr);
template void Read<u16>(u16& var, const u32 addr);
template void Read<u8>(u8& var, const u32 addr);
template void Write<u64>(u32 addr, const u64 data);
template void Write<u32>(u32 addr, const u32 data);
template void Write<u16>(u32 addr, const u16 data);
template void Write<u8>(u32 addr, const u8 data);
/// Initialize hardware
void Init() {
memset(&g_regs, 0, sizeof(g_regs));
LOG_DEBUG(HW_LCD, "initialized OK");
}
/// Shutdown hardware
void Shutdown() {
LOG_DEBUG(HW_LCD, "shutdown OK");
}
} // namespace