From 1fa64fccbf404d51cd3044a2f834d74c44805799 Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Sun, 4 Mar 2018 17:23:16 -0800
Subject: [PATCH] Add pre-defined panic utilities

---
 exosphere/src/panic_color.h | 21 +++++++++++++++++++++
 exosphere/src/utils.c       |  5 +++++
 exosphere/src/utils.h       |  3 +++
 3 files changed, 29 insertions(+)
 create mode 100644 exosphere/src/panic_color.h

diff --git a/exosphere/src/panic_color.h b/exosphere/src/panic_color.h
new file mode 100644
index 000000000..ba42f8713
--- /dev/null
+++ b/exosphere/src/panic_color.h
@@ -0,0 +1,21 @@
+#ifndef EXOSPHERE_PANIC_COLOR_H
+#define EXOSPHERE_PANIC_COLOR_H
+
+#define COLOR_0 0x00F00003
+#define COLOR_1 0x0F000003
+#define COLOR_2 0xF0000003
+#define COLOR_3 0x0FF00003
+#define COLOR_4 0xF0F00003
+#define COLOR_5 0xFF000003
+#define COLOR_6 0xFFF00003
+#define COLOR_7 0xAAF00003
+#define COLOR_8 0xAFA00003
+#define COLOR_9 0xFAA00003
+#define COLOR_A 0x33300003
+#define COLOR_B 0x06F00003
+#define COLOR_C 0x14800003
+#define COLOR_D 0x00300003
+#define COLOR_E 0x03000003
+#define COLOR_F 0xB6000003
+
+#endif
\ No newline at end of file
diff --git a/exosphere/src/utils.c b/exosphere/src/utils.c
index 375d20f02..9a59d579d 100644
--- a/exosphere/src/utils.c
+++ b/exosphere/src/utils.c
@@ -23,6 +23,11 @@ __attribute__ ((noreturn)) void generic_panic(void) {
     panic(0xFF000006);
 }
 
+__attribute__ ((noreturn)) void panic_predefined(uint32_t which) {
+    static const uint32_t codes[0x10] = {COLOR_0, COLOR_1, COLOR_2, COLOR_3, COLOR_4, COLOR_5, COLOR_6, COLOR_7, COLOR_8, COLOR_9, COLOR_A, COLOR_B, COLOR_C, COLOR_D, COLOR_E, COLOR_F};
+    panic(codes[which & 0xF]);
+}
+
 __attribute__((noinline)) bool overlaps(uint64_t as, uint64_t ae, uint64_t bs, uint64_t be)
 {
     if(as <= bs && bs <= ae)
diff --git a/exosphere/src/utils.h b/exosphere/src/utils.h
index 2919c88c9..ff494351b 100644
--- a/exosphere/src/utils.h
+++ b/exosphere/src/utils.h
@@ -5,6 +5,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include "panic_color.h"
+
 #define BIT(n)      (1u   << (n))
 #define BITL(n)     (1ull << (n))
 #define MASK(n)     (BIT(n) - 1)
@@ -52,6 +54,7 @@ typedef struct {
 
 __attribute__ ((noreturn)) void panic(uint32_t code);
 __attribute__ ((noreturn)) void generic_panic(void);
+__attribute__ ((noreturn)) void panic_predefined(uint32_t which);
 bool overlaps(uint64_t as, uint64_t ae, uint64_t bs, uint64_t be);
 
 static inline uintptr_t get_physical_address(const void *vaddr) {