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added simple GSP GPU ReadHWRegs function to support returning the framebuffer address

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This commit is contained in:
bunnei 2014-04-26 01:48:24 -04:00
parent a272803dcb
commit 9e047e32d4
1 changed files with 37 additions and 1 deletions
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38
src/core/hle/service/gsp.cpp
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@ -5,14 +5,50 @@
#include "common/log.h"
#include "core/mem_map.h"
#include "core/hle/hle.h"
#include "core/hle/service/gsp.h"
#include "core/hw/lcd.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace GSP_GPU
namespace GSP_GPU {
enum {
REG_FRAMEBUFFER_1 = 0x00400468,
REG_FRAMEBUFFER_2 = 0x00400494,
};
/// Read a GSP GPU hardware register
void ReadHWRegs(Service::Interface* self) {
static const u32 framebuffer_1[] = {LCD::VRAM_TOP_LEFT_FRAME1, LCD::VRAM_TOP_RIGHT_FRAME1};
static const u32 framebuffer_2[] = {LCD::VRAM_TOP_LEFT_FRAME2, LCD::VRAM_TOP_RIGHT_FRAME2};
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
u32 reg_addr = cmd_buff[1];
u32 size = cmd_buff[2];
u32* dst = (u32*)Memory::GetPointer(cmd_buff[0x41]);
switch (reg_addr) {
// Top framebuffer 1 addresses
case REG_FRAMEBUFFER_1:
memcpy(dst, framebuffer_1, size);
break;
// Top framebuffer 2 addresses
case REG_FRAMEBUFFER_2:
memcpy(dst, framebuffer_1, size);
break;
default:
ERROR_LOG(OSHLE, "GSP_GPU::ReadHWRegs unknown register read at address %08X", reg_addr);
}
}
void RegisterInterruptRelayQueue(Service::Interface* self) {
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
u32 flags = cmd_buff[1];
@ -26,7 +62,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x00010082, NULL, "WriteHWRegs"},
{0x00020084, NULL, "WriteHWRegsWithMask"},
{0x00030082, NULL, "WriteHWRegRepeat"},
{0x00040080, NULL, "ReadHWRegs"},
{0x00040080, ReadHWRegs, "ReadHWRegs"},
{0x00050200, NULL, "SetBufferSwap"},
{0x00060082, NULL, "SetCommandList"},
{0x000700C2, NULL, "RequestDma"},