1 files changed, 38 insertions, 0 deletions
diff --git a/arm9/lib/include/OS_system.h b/arm9/lib/include/OS_system.h
new file mode 100644
index 00000000..93903315
--- /dev/null
+++ b/arm9/lib/include/OS_system.h
@@ -0,0 +1,38 @@
+//
+// Created by mart on 4/23/20.
+//
+
+#ifndef POKEDIAMOND_OS_SYSTEM_H
+#define POKEDIAMOND_OS_SYSTEM_H
+
+#include "consts.h"
+
+typedef enum {
+    OS_PROCMODE_USER=16,
+    OS_PROCMODE_FIQ=17,
+    OS_PROCMODE_IRQ=18,
+    OS_PROCMODE_SVC=19,
+    OS_PROCMODE_ABORT=23,
+    OS_PROCMODE_UNDEF=27,
+    OS_PROCMODE_SYS=31
+} OSProcMode;
+
+ENUMS_ALWAYS_INT_ON
+typedef enum {
+    OS_INTRMODE_DISABLE_IRQ = HW_PSR_DISABLE_IRQ,
+    OS_INTRMODE_DISABLE_FIQ = HW_PSR_DISABLE_FIQ,
+    OS_INTRMODE_ENABLE = 0
+} OSIntrMode;
+ENUMS_ALWAYS_INT_RESET
+
+OSIntrMode OS_EnableInterrupts();
+OSIntrMode OS_DisableInterrupts();
+OSIntrMode OS_RestoreInterrupts(OSIntrMode state);
+OSIntrMode OS_DisableInterrupts_IrqAndFiq();
+OSIntrMode OS_RestoreInterrupts_IrqAndFiq(OSIntrMode state);
+OSIntrMode OS_GetCpsrIrq();
+OSProcMode OS_GetProcMode();
+void OS_SpinWait();
+void OS_WaitVBlankIntr();
+
+#endif //POKEDIAMOND_OS_SYSTEM_H