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authorbunnei <ericbunnie@gmail.com>2014-04-27 18:39:57 +0200
committerbunnei <ericbunnie@gmail.com>2014-04-27 18:39:57 +0200
commitf0525a1eb4bc133f43c6dd10166965467a34dd45 (patch)
treea9514ac3f3b062da41a170861991d8a5d57fd7af /src/core/hw/lcd.cpp
parent- changed HW IO map to use virtual addresses (diff)
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Diffstat (limited to 'src/core/hw/lcd.cpp')
-rw-r--r--src/core/hw/lcd.cpp91
1 files changed, 90 insertions, 1 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");
}