From 55b1cd7f2c68d1c482bc1b3a1f6f8774af94816d Mon Sep 17 00:00:00 2001
From: Maschell <Maschell@gmx.de>
Date: Thu, 9 Feb 2023 14:07:49 +0100
Subject: [PATCH] coreinit: Add some kernel related functions

---
 include/coreinit/kernel.h                     | 62 +++++++++++++++++++
 .../test_compile_headers_list.h               |  1 +
 2 files changed, 63 insertions(+)
 create mode 100644 include/coreinit/kernel.h

diff --git a/include/coreinit/kernel.h b/include/coreinit/kernel.h
new file mode 100644
index 00000000..b0cdd7d6
--- /dev/null
+++ b/include/coreinit/kernel.h
@@ -0,0 +1,62 @@
+#pragma once
+#include <wut.h>
+#include <coreinit/exception.h>
+
+/**
+ * \defgroup coreinit_kernel
+ * \ingroup coreinit
+ * @{
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum OSICICommand {
+    OS_ICI_COMMAND_INVALID_IC_RANGE     = 1,
+    OS_ICI_COMMAND_RESCHEDULE_CORE      = 2,
+    OS_ICI_COMMAND_HALT_CORE            = 3,
+    OS_ICI_COMMAND_PROC_EXIT            = 4,
+    OS_ICI_COMMAND_SET_DABR             = 5,
+    OS_ICI_COMMAND_PROC_SCHED           = 6,
+    OS_ICI_COMMAND_FAST_BG_EXIT         = 7,
+    OS_ICI_COMMAND_IOP_SHELL_CORE_TRACE = 8,
+    OS_ICI_COMMAND_SYSTEM_FATAL         = 9,
+    OS_ICI_COMMAND_SET_IABR             = 10,
+    OS_ICI_COMMAND_PANIC_0X15           = 0xB,
+    OS_ICI_COMMAND_PROC_KILL            = 0xC,
+    OS_ICI_COMMAND_PROC_CRASH           = 0xD,
+    OS_ICI_COMMAND_UNKNOWN              = 0xE, // Waits for rendezvous, then updates heartbeat
+    OS_ICI_COMMAND_OVERLAY_ARENA        = 0xF,
+} OSICICommand;
+
+typedef void (*OSExceptionCallbackExFn)(OSExceptionType exceptionType, OSContext * interruptedContext, OSContext *cbContext);
+
+typedef void (*KernelTimerCallbackFn)(OSExceptionType exception, OSContext *interruptedContext, OSContext *currentContext);
+
+typedef uint32_t KernelTimerHandle;
+
+typedef struct OSExceptionChainInfo {
+    OSExceptionCallbackExFn callback;
+    void *stack;
+    OSContext *context;
+} OSExceptionChainInfo;
+WUT_CHECK_OFFSET(OSExceptionChainInfo, 0, callback);
+WUT_CHECK_OFFSET(OSExceptionChainInfo, 4, stack);
+WUT_CHECK_OFFSET(OSExceptionChainInfo, 8, context);
+WUT_CHECK_SIZE(OSExceptionChainInfo, 12);
+
+void __KernelSetUserModeExHandler(OSExceptionType exceptionType, OSExceptionChainInfo *chainInfo, OSExceptionChainInfo *prevChainInfo);
+
+KernelTimerHandle __KernelAllocateTimer(KernelTimerCallbackFn, void *exceptionStack, OSContext *context);
+uint32_t __KernelPrimeTimer(KernelTimerHandle handle, uint64_t startTimeInTicks, uint64_t intervalInTicks, uint32_t unknown);
+
+void __KernelSendICI(OSICICommand cmd, void *arg1, uint32_t unknown1, uint32_t unknown2);
+
+void __KernelGetInfo(uint32_t type, void *outBuffer, uint32_t outBufferSize, uint32_t core);
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} */
diff --git a/tests/test_compile_headers_common/test_compile_headers_list.h b/tests/test_compile_headers_common/test_compile_headers_list.h
index e090479b..16552297 100644
--- a/tests/test_compile_headers_common/test_compile_headers_list.h
+++ b/tests/test_compile_headers_common/test_compile_headers_list.h
@@ -29,6 +29,7 @@
 #include <coreinit/internal.h>
 #include <coreinit/interrupts.h>
 #include <coreinit/ios.h>
+#include <coreinit/kernel.h>
 #include <coreinit/mcp.h>
 #include <coreinit/memblockheap.h>
 #include <coreinit/memdefaultheap.h>