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-rw-r--r--src/core/hw/lcd.cpp91
-rw-r--r--src/core/hw/lcd.h77
2 files changed, 153 insertions, 15 deletions
diff --git a/src/core/hw/lcd.cpp b/src/core/hw/lcd.cpp
index 822cd1647..6468053f2 100644
--- a/src/core/hw/lcd.cpp
+++ b/src/core/hw/lcd.cpp
@@ -6,19 +6,107 @@
#include "common/log.h"
#include "core/core.h"
+#include "core/mem_map.h"
#include "core/hw/lcd.h"
#include "video_core/video_core.h"
namespace LCD {
+Registers g_regs;
+
static const u32 kFrameTicks = 268123480 / 60; ///< 268MHz / 60 frames per second
u64 g_last_ticks = 0; ///< Last CPU ticks
+/**
+ * Sets whether the framebuffers are in the GSP heap (FCRAM) or VRAM
+ * @param
+ */
+void SetFramebufferLocation(const FramebufferLocation mode) {
+ switch (mode) {
+ case FRAMEBUFFER_LOCATION_FCRAM:
+ g_regs.framebuffer_top_left_1 = PADDR_TOP_LEFT_FRAME1;
+ g_regs.framebuffer_top_left_2 = PADDR_TOP_LEFT_FRAME2;
+ g_regs.framebuffer_top_right_1 = PADDR_TOP_RIGHT_FRAME1;
+ g_regs.framebuffer_top_right_2 = PADDR_TOP_RIGHT_FRAME2;
+ g_regs.framebuffer_sub_left_1 = PADDR_SUB_FRAME1;
+ //g_regs.framebuffer_sub_left_2 = unknown;
+ g_regs.framebuffer_sub_right_1 = PADDR_SUB_FRAME2;
+ //g_regs.framebufferr_sub_right_2 = unknown;
+ break;
+
+ case FRAMEBUFFER_LOCATION_VRAM:
+ g_regs.framebuffer_top_left_1 = PADDR_VRAM_TOP_LEFT_FRAME1;
+ g_regs.framebuffer_top_left_2 = PADDR_VRAM_TOP_LEFT_FRAME2;
+ g_regs.framebuffer_top_right_1 = PADDR_VRAM_TOP_RIGHT_FRAME1;
+ g_regs.framebuffer_top_right_2 = PADDR_VRAM_TOP_RIGHT_FRAME2;
+ g_regs.framebuffer_sub_left_1 = PADDR_VRAM_SUB_FRAME1;
+ //g_regs.framebuffer_sub_left_2 = unknown;
+ g_regs.framebuffer_sub_right_1 = PADDR_VRAM_SUB_FRAME2;
+ //g_regs.framebufferr_sub_right_2 = unknown;
+ break;
+ }
+}
+
+/**
+ * Gets the location of the framebuffers
+ * @return Location of framebuffers as FramebufferLocation enum
+ */
+const FramebufferLocation GetFramebufferLocation() {
+ if ((g_regs.framebuffer_top_right_1 & ~Memory::VRAM_MASK) == Memory::VRAM_PADDR) {
+ return FRAMEBUFFER_LOCATION_VRAM;
+ } else if ((g_regs.framebuffer_top_right_1 & ~Memory::FCRAM_MASK) == Memory::FCRAM_PADDR) {
+ return FRAMEBUFFER_LOCATION_FCRAM;
+ } else {
+ ERROR_LOG(LCD, "unknown framebuffer location!");
+ }
+ return FRAMEBUFFER_LOCATION_UNKNOWN;
+}
+
+/**
+ * Gets a read-only pointer to a framebuffer in memory
+ * @param address Physical address of framebuffer
+ * @return Returns const pointer to raw framebuffer
+ */
+const u8* GetFramebufferPointer(const u32 address) {
+ switch (GetFramebufferLocation()) {
+ case FRAMEBUFFER_LOCATION_FCRAM:
+ return (const u8*)Memory::GetPointer(Memory::VirtualAddressFromPhysical_FCRAM(address));
+ case FRAMEBUFFER_LOCATION_VRAM:
+ return (const u8*)Memory::GetPointer(Memory::VirtualAddressFromPhysical_VRAM(address));
+ default:
+ ERROR_LOG(LCD, "unknown framebuffer location");
+ }
+ return NULL;
+}
+
template <typename T>
inline void Read(T &var, const u32 addr) {
- ERROR_LOG(LCD, "unknown Read%d @ 0x%08X", sizeof(var) * 8, addr);
+ switch (addr) {
+ case REG_FRAMEBUFFER_TOP_LEFT_1:
+ var = g_regs.framebuffer_top_left_1;
+ break;
+ case REG_FRAMEBUFFER_TOP_LEFT_2:
+ var = g_regs.framebuffer_top_left_2;
+ break;
+ case REG_FRAMEBUFFER_TOP_RIGHT_1:
+ var = g_regs.framebuffer_top_right_1;
+ break;
+ case REG_FRAMEBUFFER_TOP_RIGHT_2:
+ var = g_regs.framebuffer_top_right_2;
+ break;
+ case REG_FRAMEBUFFER_SUB_LEFT_1:
+ var = g_regs.framebuffer_sub_left_1;
+ break;
+ case REG_FRAMEBUFFER_SUB_RIGHT_1:
+ var = g_regs.framebuffer_sub_right_1;
+ break;
+ default:
+ ERROR_LOG(LCD, "unknown Read%d @ 0x%08X", sizeof(var) * 8, addr);
+ break;
+ }
+
}
template <typename T>
@@ -51,6 +139,7 @@ void Update() {
/// Initialize hardware
void Init() {
g_last_ticks = Core::g_app_core->GetTicks();
+ SetFramebufferLocation(FRAMEBUFFER_LOCATION_FCRAM);
NOTICE_LOG(LCD, "initialized OK");
}
diff --git a/src/core/hw/lcd.h b/src/core/hw/lcd.h
index b047e7cea..2dd3b4adc 100644
--- a/src/core/hw/lcd.h
+++ b/src/core/hw/lcd.h
@@ -8,6 +8,19 @@
namespace LCD {
+struct Registers {
+ u32 framebuffer_top_left_1;
+ u32 framebuffer_top_left_2;
+ u32 framebuffer_top_right_1;
+ u32 framebuffer_top_right_2;
+ u32 framebuffer_sub_left_1;
+ u32 framebuffer_sub_left_2;
+ u32 framebuffer_sub_right_1;
+ u32 framebuffer_sub_right_2;
+};
+
+extern Registers g_regs;
+
enum {
TOP_ASPECT_X = 0x5,
TOP_ASPECT_Y = 0x3,
@@ -17,24 +30,60 @@ enum {
BOTTOM_WIDTH = 320,
// Physical addresses in FCRAM used by ARM9 applications - these are correct for real hardware
- FRAMEBUFFER_SEL = 0x20184E59,
- TOP_LEFT_FRAME1 = 0x20184E60,
- TOP_LEFT_FRAME2 = 0x201CB370,
- TOP_RIGHT_FRAME1 = 0x20282160,
- TOP_RIGHT_FRAME2 = 0x202C8670,
- SUB_FRAME1 = 0x202118E0,
- SUB_FRAME2 = 0x20249CF0,
+ PADDR_FRAMEBUFFER_SEL = 0x20184E59,
+ PADDR_TOP_LEFT_FRAME1 = 0x20184E60,
+ PADDR_TOP_LEFT_FRAME2 = 0x201CB370,
+ PADDR_TOP_RIGHT_FRAME1 = 0x20282160,
+ PADDR_TOP_RIGHT_FRAME2 = 0x202C8670,
+ PADDR_SUB_FRAME1 = 0x202118E0,
+ PADDR_SUB_FRAME2 = 0x20249CF0,
// Physical addresses in VRAM - I'm not sure how these are actually allocated (so not real)
- VRAM_FRAMEBUFFER_SEL = 0x18184E59,
- VRAM_TOP_LEFT_FRAME1 = 0x18184E60,
- VRAM_TOP_LEFT_FRAME2 = 0x181CB370,
- VRAM_TOP_RIGHT_FRAME1 = 0x18282160,
- VRAM_TOP_RIGHT_FRAME2 = 0x182C8670,
- VRAM_SUB_FRAME1 = 0x182118E0,
- VRAM_SUB_FRAME2 = 0x18249CF0,
+ PADDR_VRAM_FRAMEBUFFER_SEL = 0x18184E59,
+ PADDR_VRAM_TOP_LEFT_FRAME1 = 0x18184E60,
+ PADDR_VRAM_TOP_LEFT_FRAME2 = 0x181CB370,
+ PADDR_VRAM_TOP_RIGHT_FRAME1 = 0x18282160,
+ PADDR_VRAM_TOP_RIGHT_FRAME2 = 0x182C8670,
+ PADDR_VRAM_SUB_FRAME1 = 0x182118E0,
+ PADDR_VRAM_SUB_FRAME2 = 0x18249CF0,
+};
+
+enum {
+ REG_FRAMEBUFFER_TOP_LEFT_1 = 0x1EF00468, // Main LCD, first framebuffer for 3D left
+ REG_FRAMEBUFFER_TOP_LEFT_2 = 0x1EF0046C, // Main LCD, second framebuffer for 3D left
+ REG_FRAMEBUFFER_TOP_RIGHT_1 = 0x1EF00494, // Main LCD, first framebuffer for 3D right
+ REG_FRAMEBUFFER_TOP_RIGHT_2 = 0x1EF00498, // Main LCD, second framebuffer for 3D right
+ REG_FRAMEBUFFER_SUB_LEFT_1 = 0x1EF00568, // Sub LCD, first framebuffer
+ REG_FRAMEBUFFER_SUB_LEFT_2 = 0x1EF0056C, // Sub LCD, second framebuffer
+ REG_FRAMEBUFFER_SUB_RIGHT_1 = 0x1EF00594, // Sub LCD, unused first framebuffer
+ REG_FRAMEBUFFER_SUB_RIGHT_2 = 0x1EF00598, // Sub LCD, unused second framebuffer
};
+/// Framebuffer location
+enum FramebufferLocation {
+ FRAMEBUFFER_LOCATION_UNKNOWN, ///< Framebuffer location is unknown
+ FRAMEBUFFER_LOCATION_FCRAM, ///< Framebuffer is in the GSP heap
+ FRAMEBUFFER_LOCATION_VRAM, ///< Framebuffer is in VRAM
+};
+
+/**
+ * Sets whether the framebuffers are in the GSP heap (FCRAM) or VRAM
+ * @param
+ */
+void SetFramebufferLocation(const FramebufferLocation mode);
+
+/**
+ * Gets a read-only pointer to a framebuffer in memory
+ * @param address Physical address of framebuffer
+ * @return Returns const pointer to raw framebuffer
+ */
+const u8* GetFramebufferPointer(const u32 address);
+
+/**
+ * Gets the location of the framebuffers
+ */
+const FramebufferLocation GetFramebufferLocation();
+
template <typename T>
inline void Read(T &var, const u32 addr);