3 files changed, 134 insertions, 0 deletions
diff --git a/arm9/lib/include/OS_init.h b/arm9/lib/include/OS_init.h
index baa2f442..3c8aea24 100644
--- a/arm9/lib/include/OS_init.h
+++ b/arm9/lib/include/OS_init.h
@@ -19,6 +19,7 @@
 #include "OS_system.h"
 #include "OS_terminate_proc.h"
 #include "OS_irqHandler.h"
+#include "OS_irqTable.h"
 #include "OS_interrupt.h"
 #include "OS_reset.h"
 #include "OS_spinLock.h"
diff --git a/arm9/lib/include/OS_irqTable.h b/arm9/lib/include/OS_irqTable.h
new file mode 100644
index 00000000..8cd7b7b3
--- /dev/null
+++ b/arm9/lib/include/OS_irqTable.h
@@ -0,0 +1,23 @@
+#ifndef POKEDIAMOND_OS_IRQTABLE_H
+#define POKEDIAMOND_OS_IRQTABLE_H
+
+#include "consts.h"
+#include "OS_interrupt.h"
+
+void OS_IrqDummy(void);
+void OSi_IrqCallback(s32 index);
+void OSi_IrqDma0(void);
+void OSi_IrqDma1(void);
+void OSi_IrqDma2(void);
+void OSi_IrqDma3(void);
+void OSi_IrqTimer0(void);
+void OSi_IrqTimer1(void);
+void OSi_IrqTimer2(void);
+void OSi_IrqTimer3(void);
+
+static inline void OS_SetIrqCheckFlag(OSIrqMask intr)
+{
+    *(vu32 *)HW_INTR_CHECK_BUF |= (u32)intr;
+}
+
+#endif //POKEDIAMOND_OS_IRQTABLE_H
diff --git a/arm9/lib/src/OS_irqTable.c b/arm9/lib/src/OS_irqTable.c
new file mode 100644
index 00000000..cc2a3a55
--- /dev/null
+++ b/arm9/lib/src/OS_irqTable.c
@@ -0,0 +1,110 @@
+#include "function_target.h"
+#include "sections.h"
+#include "OS_irqTable.h"
+
+#pragma section DTCM begin
+OSIrqFunction OS_IRQTable[22] = {
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OSi_IrqTimer0,
+        OSi_IrqTimer1,
+        OSi_IrqTimer2,
+        OSi_IrqTimer3,
+        OS_IrqDummy,
+        OSi_IrqDma0,
+        OSi_IrqDma1,
+        OSi_IrqDma2,
+        OSi_IrqDma3,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy,
+        OS_IrqDummy
+};
+#pragma section DTCM end
+
+OSIrqCallbackInfo OSi_IrqCallbackInfo[8] = {
+        {NULL, 0, 0},
+        {NULL, 0, 0},
+        {NULL, 0, 0},
+        {NULL, 0, 0},
+        {NULL, 0, 0},
+        {NULL, 0, 0},
+        {NULL, 0, 0},
+        {NULL, 0, 0},
+};
+
+static u16 OSi_IrqCallbackInfoIndex[8] = {
+        8, 9, 10, 11, 3, 4, 5, 6
+};
+
+ARM_FUNC void OS_IrqDummy(void)
+{
+    //noop
+}
+
+ARM_FUNC void OSi_IrqCallback(s32 index)
+{
+    OSIrqMask mask = (1UL << OSi_IrqCallbackInfoIndex[index]);
+    void (*callback)(void *) = OSi_IrqCallbackInfo[index].func;
+
+    OSi_IrqCallbackInfo[index].func = NULL;
+
+    if (callback)
+    {
+        (callback)(OSi_IrqCallbackInfo[index].arg);
+    }
+
+    OS_SetIrqCheckFlag(mask);
+
+    if (!OSi_IrqCallbackInfo[index].enable)
+    {
+        (void)OS_DisableIrqMask(mask);
+    }
+}
+
+ARM_FUNC void OSi_IrqDma0(void)
+{
+    OSi_IrqCallback(0);
+}
+
+ARM_FUNC void OSi_IrqDma1(void)
+{
+    OSi_IrqCallback(1);
+}
+
+ARM_FUNC void OSi_IrqDma2(void)
+{
+    OSi_IrqCallback(2);
+}
+
+ARM_FUNC void OSi_IrqDma3(void)
+{
+    OSi_IrqCallback(3);
+}
+
+ARM_FUNC void OSi_IrqTimer0(void)
+{
+    OSi_IrqCallback(4);
+}
+
+ARM_FUNC void OSi_IrqTimer1(void)
+{
+    OSi_IrqCallback(5);
+}
+
+ARM_FUNC void OSi_IrqTimer2(void)
+{
+    OSi_IrqCallback(6);
+}
+
+ARM_FUNC void OSi_IrqTimer3(void)
+{
+    OSi_IrqCallback(7);
+}