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-rw-r--r--src/core/hw/gpu.h2
-rw-r--r--src/core/hw/hw.cpp12
-rw-r--r--src/core/hw/hw.h8
-rw-r--r--src/core/hw/lcd.cpp66
-rw-r--r--src/core/hw/lcd.h88
5 files changed, 167 insertions, 9 deletions
diff --git a/src/core/hw/gpu.h b/src/core/hw/gpu.h
index 737b1e968..76f4d66fe 100644
--- a/src/core/hw/gpu.h
+++ b/src/core/hw/gpu.h
@@ -246,6 +246,8 @@ struct Regs {
return content[index];
}
+#undef ASSERT_MEMBER_SIZE
+
private:
/*
* Most physical addresses which GPU registers refer to are 8-byte aligned.
diff --git a/src/core/hw/hw.cpp b/src/core/hw/hw.cpp
index bf4722cf7..bed50af50 100644
--- a/src/core/hw/hw.cpp
+++ b/src/core/hw/hw.cpp
@@ -6,17 +6,19 @@
#include "core/hw/hw.h"
#include "core/hw/gpu.h"
+#include "core/hw/lcd.h"
namespace HW {
template <typename T>
inline void Read(T &var, const u32 addr) {
switch (addr & 0xFFFFF000) {
-
case VADDR_GPU:
GPU::Read(var, addr);
break;
-
+ case VADDR_LCD:
+ LCD::Write(var, addr);
+ break;
default:
LOG_ERROR(HW_Memory, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, addr);
}
@@ -25,11 +27,12 @@ inline void Read(T &var, const u32 addr) {
template <typename T>
inline void Write(u32 addr, const T data) {
switch (addr & 0xFFFFF000) {
-
case VADDR_GPU:
GPU::Write(addr, data);
break;
-
+ case VADDR_LCD:
+ LCD::Write(addr, data);
+ break;
default:
LOG_ERROR(HW_Memory, "unknown Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data, addr);
}
@@ -54,6 +57,7 @@ void Update() {
/// Initialize hardware
void Init() {
GPU::Init();
+ LCD::Init();
LOG_DEBUG(HW, "initialized OK");
}
diff --git a/src/core/hw/hw.h b/src/core/hw/hw.h
index 6feeba08c..d65608910 100644
--- a/src/core/hw/hw.h
+++ b/src/core/hw/hw.h
@@ -8,8 +8,8 @@
namespace HW {
-enum {
- VADDR_IO = 0x1EC00000,
+/// Beginnings of IO register regions, in the user VA space.
+enum : u32 {
VADDR_HASH = 0x1EC01000,
VADDR_CSND = 0x1EC03000,
VADDR_DSP = 0x1EC40000,
@@ -25,9 +25,7 @@ enum {
VADDR_SPI_3 = 0x1EC60000,
VADDR_I2C_3 = 0x1EC61000,
VADDR_MIC = 0x1EC62000,
- VADDR_PXI = 0x1EC63000, // 0xFFFD2000
- //VADDR_NTRCARD
- VADDR_CDMA = 0xFFFDA000, // CoreLink DMA-330? Info
+ VADDR_PXI = 0x1EC63000,
VADDR_LCD = 0x1ED02000,
VADDR_DSP_2 = 0x1ED03000,
VADDR_HASH_2 = 0x1EE01000,
diff --git a/src/core/hw/lcd.cpp b/src/core/hw/lcd.cpp
new file mode 100644
index 000000000..7986f3ddb
--- /dev/null
+++ b/src/core/hw/lcd.cpp
@@ -0,0 +1,66 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/common_types.h"
+
+#include "core/arm/arm_interface.h"
+#include "core/hle/hle.h"
+#include "core/hw/hw.h"
+#include "core/hw/lcd.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);
+}
+
+// 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() {
+ LOG_DEBUG(HW_LCD, "initialized OK");
+}
+
+/// Shutdown hardware
+void Shutdown() {
+ LOG_DEBUG(HW_LCD, "shutdown OK");
+}
+
+} // namespace
diff --git a/src/core/hw/lcd.h b/src/core/hw/lcd.h
new file mode 100644
index 000000000..43893a625
--- /dev/null
+++ b/src/core/hw/lcd.h
@@ -0,0 +1,88 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+
+#include "common/common_types.h"
+#include "common/bit_field.h"
+
+#define LCD_REG_INDEX(field_name) (offsetof(LCD::Regs, field_name) / sizeof(u32))
+
+namespace LCD {
+
+struct Regs {
+
+ union ColorFill {
+ u32 raw;
+
+ BitField<0, 8, u32> color_r;
+ BitField<8, 8, u32> color_g;
+ BitField<16, 8, u32> color_b;
+ BitField<24, 1, u32> is_enabled;
+ };
+
+ INSERT_PADDING_WORDS(0x81);
+ ColorFill color_fill_top;
+ INSERT_PADDING_WORDS(0xE);
+ u32 backlight_top;
+
+ INSERT_PADDING_WORDS(0x1F0);
+
+ ColorFill color_fill_bottom;
+ INSERT_PADDING_WORDS(0xE);
+ u32 backlight_bottom;
+ INSERT_PADDING_WORDS(0x16F);
+
+ static inline size_t NumIds() {
+ return sizeof(Regs) / sizeof(u32);
+ }
+
+ u32& operator [] (int index) const {
+ u32* content = (u32*)this;
+ return content[index];
+ }
+
+ u32& operator [] (int index) {
+ u32* content = (u32*)this;
+ return content[index];
+ }
+
+#undef ASSERT_MEMBER_SIZE
+
+};
+static_assert(std::is_standard_layout<Regs>::value, "Structure does not use standard layout");
+
+// TODO: MSVC does not support using offsetof() on non-static data members even though this
+// is technically allowed since C++11. This macro should be enabled once MSVC adds
+// support for that.
+#ifndef _MSC_VER
+#define ASSERT_REG_POSITION(field_name, position) \
+ static_assert(offsetof(Regs, field_name) == position * 4, \
+ "Field "#field_name" has invalid position")
+
+ASSERT_REG_POSITION(color_fill_top, 0x81);
+ASSERT_REG_POSITION(backlight_top, 0x90);
+ASSERT_REG_POSITION(color_fill_bottom, 0x281);
+ASSERT_REG_POSITION(backlight_bottom, 0x290);
+
+#undef ASSERT_REG_POSITION
+#endif // !defined(_MSC_VER)
+
+extern Regs g_regs;
+
+template <typename T>
+void Read(T &var, const u32 addr);
+
+template <typename T>
+void Write(u32 addr, const T data);
+
+/// Initialize hardware
+void Init();
+
+/// Shutdown hardware
+void Shutdown();
+
+} // namespace
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