1 files changed, 44 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..fc6a2f81
--- /dev/null
+++ b/arm9/lib/include/os_system.h
@@ -0,0 +1,44 @@
+//
+// 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;
+
+typedef enum {
+    OS_INTRMODE_IRQ_DISABLE = HW_PSR_IRQ_DISABLE,
+    OS_INTRMODE_IRQ_ENABLE = 0
+} OSIntrMode_Irq;
+
+typedef enum {
+    OS_INTRMODE_FIQ_DISABLE = HW_PSR_FIQ_DISABLE,
+    OS_INTRMODE_FIQ_ENABLE = 0
+} OSIntrMode_Fiq;
+
+typedef union {
+    OSIntrMode_Fiq mode_fiq;
+    OSIntrMode_Irq mode_irq;
+} OSIntrMode;
+
+OSIntrMode OS_EnableInterrupts();
+OSIntrMode OS_DisableInterrupts();
+OSIntrMode OS_RestoreInterrupts(OSIntrMode state);
+OSIntrMode OS_DisableInterrupts_IrqAndFiq();
+OSIntrMode OS_RestoreInterrupts_IrqAndFiq(OSIntrMode state);
+OSIntrMode_Irq OS_GetCpsrIrq();
+OSProcMode OS_GetProcMode();
+
+
+#endif //POKEDIAMOND_OS_SYSTEM_H