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GSP: Add a helper function for convenience.

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This commit is contained in:
Tony Wasserka 2014-07-25 11:22:40 +02:00
parent 613b0a8df8
commit e832bbe554
1 changed files with 24 additions and 19 deletions
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43
src/core/hle/service/gsp.cpp
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@ -42,33 +42,38 @@ static inline InterruptRelayQueue* GetInterruptRelayQueue(u32 thread_id) {
sizeof(InterruptRelayQueue) * thread_id);
}
void WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {
// TODO: Return proper error codes
if (base_address + size_in_bytes >= 0x420000) {
ERROR_LOG(GPU, "Write address out of range! (address=0x%08x, size=0x%08x)",
base_address, size_in_bytes);
return;
}
// size should be word-aligned
if ((size_in_bytes % 4) != 0) {
ERROR_LOG(GPU, "Invalid size 0x%08x", size_in_bytes);
return;
}
while (size_in_bytes > 0) {
GPU::Write<u32>(base_address + 0x1EB00000, *data);
size_in_bytes -= 4;
++data;
base_address += 4;
}
}
/// Write a GSP GPU hardware register
void WriteHWRegs(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
u32 reg_addr = cmd_buff[1];
u32 size = cmd_buff[2];
// TODO: Return proper error codes
if (reg_addr + size >= 0x420000) {
ERROR_LOG(GPU, "Write address out of range! (address=0x%08x, size=0x%08x)", reg_addr, size);
return;
}
// size should be word-aligned
if ((size % 4) != 0) {
ERROR_LOG(GPU, "Invalid size 0x%08x", size);
return;
}
u32* src = (u32*)Memory::GetPointer(cmd_buff[0x4]);
while (size > 0) {
GPU::Write<u32>(reg_addr + 0x1EB00000, *src);
size -= 4;
++src;
reg_addr += 4;
}
WriteHWRegs(reg_addr, size, src);
}
/// Read a GSP GPU hardware register