Add better logging capabilities, including the ability to panic.

3 files changed, 31 insertions, 0 deletions

diff --git a/include/kern/init.h b/include/kern/init.h
index 737b85f..0ebbeac 100644
--- a/include/kern/init.h
+++ b/include/kern/init.h
@@ -64,4 +64,18 @@
   void(*init7_ptr)() = init7fn; \
   static void init7fn
 
+typedef enum {
+  INIT_LEVEL_0,
+  INIT_LEVEL_1,
+  INIT_LEVEL_2,
+  INIT_LEVEL_3,
+  INIT_LEVEL_4,
+  INIT_LEVEL_5,
+  INIT_LEVEL_6,
+  INIT_LEVEL_7,
+  INIT_LEVEL_MAIN,
+} init_level_t;
+
+init_level_t get_system_init_level();
+
 #endif /* INIT_H_ */
diff --git a/include/kern/log.h b/include/kern/log.h
index 5e49def..e1e4088 100644
--- a/include/kern/log.h
+++ b/include/kern/log.h
@@ -1,6 +1,8 @@
 #ifndef LOG_H_
 #define LOG_H_
 
+#include <stdarg.h>
+
 /*
  * Defines logging capabilities. This logging unit will enable logging on
  * the systems main USART output.
@@ -9,4 +11,13 @@
 /** Similar to fprintf, but with a stripped-down format-string DSL. */
 void klogf(const char* fmt, ...);
 
+/** Like klogf, but with a va_list argument. */
+void kvlogf(const char* fmt, va_list args);
+
+/** Log the following message as an error. */
+void kerr_logf(const char* fmt, ...);
+
+/** Like klogf, but with a va_list argument. */
+void kerr_vlogf(const char* fmt, va_list args);
+
 #endif
diff --git a/include/kern/panic.h b/include/kern/panic.h
new file mode 100644
index 0000000..aa064bf
--- /dev/null
+++ b/include/kern/panic.h
@@ -0,0 +1,6 @@
+#ifndef KERN_PANIC_H_
+#define KERN_PANIC_H_
+
+_Noreturn void panic(const char* fmt, ...);
+
+#endif