move process code into proc. add panic folder

2 files changed, 56 insertions, 0 deletions

diff --git a/panic/panic.c b/panic/panic.c
new file mode 100644
index 0000000..5bde05b
--- /dev/null
+++ b/panic/panic.c
@@ -0,0 +1,40 @@
+#include "panic.h"
+#include "lib/printf.h"
+
+int _kernel_panic_unlock = 0;
+
+void
+__panic_reason(const char *fmt, va_list ap)
+{
+    _kernel_panic_unlock = 1;
+    
+    kvprintf(fmt, ap);
+}
+
+void 
+__panic_end(void)
+{
+    hcf();
+}
+
+void
+kpanic(const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+
+    __panic_reason(fmt, ap);
+    __panic_stack_trace(__panic_get_bp());
+    __panic_end();
+}
+
+void
+kpanic_istate(void *state, const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+
+    __panic_reason(fmt, ap);
+    __panic_stack_trace(__panic_print_istate(state));
+    __panic_end();
+}
diff --git a/panic/panic.h b/panic/panic.h
new file mode 100644
index 0000000..4ca4a40
--- /dev/null
+++ b/panic/panic.h
@@ -0,0 +1,16 @@
+#ifndef _JOVE_PANIC_H
+#define _JOVE_PANIC_H 1
+
+#include "jove.h"
+#include <stdarg.h>
+
+void __panic_reason(const char *fmt, va_list ap);
+void *__panic_print_istate(void *state);
+void *__panic_get_bp(void);
+void __panic_stack_trace(void *bp);
+NORETURN void __panic_end(void);
+
+NORETURN void kpanic(const char *fmt, ...);
+NORETURN void kpanic_istate(void *state, const char *fmt, ...);
+
+#endif