diff options
| -rw-r--r-- | src/core/hle/service/gsp.cpp | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/src/core/hle/service/gsp.cpp b/src/core/hle/service/gsp.cpp index df23ac542..24e9f18dc 100644 --- a/src/core/hle/service/gsp.cpp +++ b/src/core/hle/service/gsp.cpp @@ -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"}, |