GSP: Add a helper function for convenience.

src/core/hle/service/gsp.cpp

@@ -42,35 +42,40 @@ static inline InterruptRelayQueue* GetInterruptRelayQueue(u32 thread_id) {
         sizeof(InterruptRelayQueue) * thread_id);
 }
 
-/// 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];
-
+void WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {
     // 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);
+    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 % 4) != 0) {
-        ERROR_LOG(GPU, "Invalid size 0x%08x", size);
+    if ((size_in_bytes % 4) != 0) {
+        ERROR_LOG(GPU, "Invalid size 0x%08x", size_in_bytes);
         return;
     }
 
-    u32* src = (u32*)Memory::GetPointer(cmd_buff[0x4]);
-
-    while (size > 0) {
-        GPU::Write<u32>(reg_addr + 0x1EB00000, *src);
+    while (size_in_bytes > 0) {
+        GPU::Write<u32>(base_address + 0x1EB00000, *data);
 
-        size -= 4;
-        ++src;
-        reg_addr += 4;
+        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];
+
+    u32* src = (u32*)Memory::GetPointer(cmd_buff[0x4]);
+
+    WriteHWRegs(reg_addr, size, src);
+}
+
 /// Read a GSP GPU hardware register
 void ReadHWRegs(Service::Interface* self) {
     u32* cmd_buff = Service::GetCommandBuffer();