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GSP: Return proper error codes for register writes

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This commit is contained in:
purpasmart96 2016-02-03 13:18:26 -08:00
parent 644fbbeb13
commit abe5c6efec
3 changed files with 102 additions and 85 deletions
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1
src/core/hle/result.h
View file

@ -24,6 +24,7 @@ enum class ErrorDescription : u32 {
FS_InvalidOpenFlags = 230,
FS_NotAFile = 250,
FS_NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
OutofRangeOrMisalignedAddress = 513, // TODO(purpasmart): Check if this name fits its actual usage
FS_InvalidPath = 702,
InvalidSection = 1000,
TooLarge = 1001,

174
src/core/hle/service/gsp_gpu.cpp
View file

@ -31,6 +31,13 @@ const static u32 REGS_BEGIN = 0x1EB00000;
namespace GSP_GPU {
const ResultCode ERR_GSP_REGS_OUTOFRANGE_OR_MISALIGNED(ErrorDescription::OutofRangeOrMisalignedAddress, ErrorModule::GX,
ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E02A01
const ResultCode ERR_GSP_REGS_MISALIGNED(ErrorDescription::MisalignedSize, ErrorModule::GX,
ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E02BF2
const ResultCode ERR_GSP_REGS_INVALID_SIZE(ErrorDescription::InvalidSize, ErrorModule::GX,
ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E02BEC
/// Event triggered when GSP interrupt has been signalled
Kernel::SharedPtr<Kernel::Event> g_interrupt_event;
/// GSP shared memoryings
@ -58,42 +65,27 @@ static inline InterruptRelayQueue* GetInterruptRelayQueue(u32 thread_id) {
return reinterpret_cast<InterruptRelayQueue*>(ptr);
}
/**
* Checks if the parameters in a register write call are valid and logs in the case that
* they are not
* @param base_address The first address in the sequence of registers that will be written
* @param size_in_bytes The number of registers that will be written
* @return true if the parameters are valid, false otherwise
*/
static bool CheckWriteParameters(u32 base_address, u32 size_in_bytes) {
// TODO: Return proper error codes
if (base_address + size_in_bytes >= 0x420000) {
LOG_ERROR(Service_GSP, "Write address out of range! (address=0x%08x, size=0x%08x)",
base_address, size_in_bytes);
return false;
}
// size should be word-aligned
if ((size_in_bytes % 4) != 0) {
LOG_ERROR(Service_GSP, "Invalid size 0x%08x", size_in_bytes);
return false;
}
return true;
}
/**
* Writes sequential GSP GPU hardware registers using an array of source data
*
* @param base_address The address of the first register in the sequence
* @param size_in_bytes The number of registers to update (size of data)
* @param data A pointer to the source data
* @return RESULT_SUCCESS if the parameters are valid, error code otherwise
*/
static void WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {
// TODO: Return proper error codes
if (!CheckWriteParameters(base_address, size_in_bytes))
return;
static ResultCode WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {
// This magic number is verified to be done by the gsp module
const u32 max_size_in_bytes = 0x80;
if (base_address & 3 || base_address >= 0x420000) {
LOG_ERROR(Service_GSP, "Write address was out of range or misaligned! (address=0x%08x, size=0x%08x)",
base_address, size_in_bytes);
return ERR_GSP_REGS_OUTOFRANGE_OR_MISALIGNED;
} else if (size_in_bytes <= max_size_in_bytes) {
if (size_in_bytes & 3) {
LOG_ERROR(Service_GSP, "Misaligned size 0x%08x", size_in_bytes);
return ERR_GSP_REGS_MISALIGNED;
} else {
while (size_in_bytes > 0) {
HW::Write<u32>(base_address + REGS_BEGIN, *data);
@ -101,6 +93,61 @@ static void WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {
++data;
base_address += 4;
}
return RESULT_SUCCESS;
}
} else {
LOG_ERROR(Service_GSP, "Out of range size 0x%08x", size_in_bytes);
return ERR_GSP_REGS_INVALID_SIZE;
}
}
/**
* Updates sequential GSP GPU hardware registers using parallel arrays of source data and masks.
* For each register, the value is updated only where the mask is high
*
* @param base_address The address of the first register in the sequence
* @param size_in_bytes The number of registers to update (size of data)
* @param data A pointer to the source data to use for updates
* @param masks A pointer to the masks
* @return RESULT_SUCCESS if the parameters are valid, error code otherwise
*/
static ResultCode WriteHWRegsWithMask(u32 base_address, u32 size_in_bytes, const u32* data, const u32* masks) {
// This magic number is verified to be done by the gsp module
const u32 max_size_in_bytes = 0x80;
if (base_address & 3 || base_address >= 0x420000) {
LOG_ERROR(Service_GSP, "Write address was out of range or misaligned! (address=0x%08x, size=0x%08x)",
base_address, size_in_bytes);
return ERR_GSP_REGS_OUTOFRANGE_OR_MISALIGNED;
} else if (size_in_bytes <= max_size_in_bytes) {
if (size_in_bytes & 3) {
LOG_ERROR(Service_GSP, "Misaligned size 0x%08x", size_in_bytes);
return ERR_GSP_REGS_MISALIGNED;
} else {
while (size_in_bytes > 0) {
const u32 reg_address = base_address + REGS_BEGIN;
u32 reg_value;
HW::Read<u32>(reg_value, reg_address);
// Update the current value of the register only for set mask bits
reg_value = (reg_value & ~*masks) | (*data | *masks);
HW::Write<u32>(reg_address, reg_value);
size_in_bytes -= 4;
++data;
++masks;
base_address += 4;
}
return RESULT_SUCCESS;
}
} else {
LOG_ERROR(Service_GSP, "Out of range size 0x%08x", size_in_bytes);
return ERR_GSP_REGS_INVALID_SIZE;
}
}
/**
@ -120,39 +167,7 @@ static void WriteHWRegs(Service::Interface* self) {
u32* src = (u32*)Memory::GetPointer(cmd_buff[4]);
WriteHWRegs(reg_addr, size, src);
}
/**
* Updates sequential GSP GPU hardware registers using parallel arrays of source data and masks.
* For each register, the value is updated only where the mask is high
*
* @param base_address The address of the first register in the sequence
* @param size_in_bytes The number of registers to update (size of data)
* @param data A pointer to the source data to use for updates
* @param masks A pointer to the masks
*/
static void WriteHWRegsWithMask(u32 base_address, u32 size_in_bytes, const u32* data, const u32* masks) {
// TODO: Return proper error codes
if (!CheckWriteParameters(base_address, size_in_bytes))
return;
while (size_in_bytes > 0) {
const u32 reg_address = base_address + REGS_BEGIN;
u32 reg_value;
HW::Read<u32>(reg_value, reg_address);
// Update the current value of the register only for set mask bits
reg_value = (reg_value & ~*masks) | (*data | *masks);
HW::Write<u32>(reg_address, reg_value);
size_in_bytes -= 4;
++data;
++masks;
base_address += 4;
}
cmd_buff[1] = WriteHWRegs(reg_addr, size, src).raw;
}
/**
@ -174,7 +189,7 @@ static void WriteHWRegsWithMask(Service::Interface* self) {
u32* src_data = (u32*)Memory::GetPointer(cmd_buff[4]);
u32* mask_data = (u32*)Memory::GetPointer(cmd_buff[6]);
WriteHWRegsWithMask(reg_addr, size, src_data, mask_data);
cmd_buff[1] = WriteHWRegsWithMask(reg_addr, size, src_data, mask_data).raw;
}
/// Read a GSP GPU hardware register
@ -206,27 +221,27 @@ static void ReadHWRegs(Service::Interface* self) {
}
}
void SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
ResultCode SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
u32 base_address = 0x400000;
PAddr phys_address_left = Memory::VirtualToPhysicalAddress(info.address_left);
PAddr phys_address_right = Memory::VirtualToPhysicalAddress(info.address_right);
if (info.active_fb == 0) {
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_left1)), 4,
&phys_address_left);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_right1)), 4,
&phys_address_right);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_left1)),
4, &phys_address_left);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_right1)),
4, &phys_address_right);
} else {
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_left2)), 4,
&phys_address_left);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_right2)), 4,
&phys_address_right);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_left2)),
4, &phys_address_left);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_right2)),
4, &phys_address_right);
}
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].stride)), 4,
&info.stride);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].color_format)), 4,
&info.format);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].active_fb)), 4,
&info.shown_fb);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].stride)),
4, &info.stride);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].color_format)),
4, &info.format);
WriteHWRegs(base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].active_fb)),
4, &info.shown_fb);
if (Pica::g_debug_context)
Pica::g_debug_context->OnEvent(Pica::DebugContext::Event::BufferSwapped, nullptr);
@ -234,6 +249,8 @@ void SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
if (screen_id == 0) {
MicroProfileFlip();
}
return RESULT_SUCCESS;
}
/**
@ -251,9 +268,8 @@ static void SetBufferSwap(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 screen_id = cmd_buff[1];
FrameBufferInfo* fb_info = (FrameBufferInfo*)&cmd_buff[2];
SetBufferSwap(screen_id, *fb_info);
cmd_buff[1] = 0; // No error
cmd_buff[1] = SetBufferSwap(screen_id, *fb_info).raw;
}
/**

2
src/core/hle/service/gsp_gpu.h
View file

@ -194,7 +194,7 @@ public:
*/
void SignalInterrupt(InterruptId interrupt_id);
void SetBufferSwap(u32 screen_id, const FrameBufferInfo& info);
ResultCode SetBufferSwap(u32 screen_id, const FrameBufferInfo& info);
/**
* Retrieves the framebuffer info stored in the GSP shared memory for the