global: Import Dolphin SDK

This version comes from the Metroid Prime decompilation project.
https://github.com/PrimeDecomp/prime

1 files changed, 29 insertions, 0 deletions

diff --git a/src/Dolphin/os/OSSync.c b/src/Dolphin/os/OSSync.c
new file mode 100644
index 0000000..b5aeccf
--- /dev/null
+++ b/src/Dolphin/os/OSSync.c
@@ -0,0 +1,29 @@
+#include "string.h"
+#include "dolphin/PPCArch.h"
+#include "dolphin/os.h"
+
+void __OSSystemCallVectorStart();
+void __OSSystemCallVectorEnd();
+static asm void SystemCallVector() {
+  nofralloc
+entry __OSSystemCallVectorStart
+  mfspr r9, HID0
+  ori r10, r9, 8
+  mtspr HID0, r10
+  isync
+    sync
+  mtspr HID0, r9
+
+  rfi
+
+entry __OSSystemCallVectorEnd
+  nop
+}
+
+void __OSInitSystemCall() {
+  void* addr = OSPhysicalToCached(0x00C00);
+  memcpy(addr, __OSSystemCallVectorStart, (size_t)__OSSystemCallVectorEnd - (size_t)__OSSystemCallVectorStart);
+  DCFlushRangeNoSync(addr, 0x100);
+  __sync();
+  ICInvalidateRange(addr, 0x100);
+}