Add module "panic"

arch/Makefile

@@ -7,6 +7,7 @@ OBJS += init.c.o
 OBJS += multiboot.c.o
 OBJS += memory.c.o
 OBJS += paging.c.o paging.asm.cpp.o
+OBJS += panic.c.o  panic.asm.cpp.o
 
 # Architecture-independent
 OBJS += info.c.o

arch/main.c

@@ -32,7 +32,4 @@ void main(const struct KernelMQ_Info *const kinfo_ptr)
     paging_identity(); // Still need 1:1 for lapic and video mem and such.
     paging_mapkernel(&kinfo);
     paging_load();
-
-    logger_warn_from("main", "Nothing to do.");
-    logger_fail_from("main", "Halt.");
 }

arch/panic.asm

@@ -0,0 +1,6 @@
+[GLOBAL hang]
+
+hang:
+    cli
+    hlt
+    jmp hang

arch/panic.c

@@ -0,0 +1,16 @@
+#include "panic.h"
+
+#include "logger.h"
+
+void hang();
+
+void panic(const char *const s)
+{
+    logger_fail_from("panic", s);
+    hang();
+}
+
+void halt()
+{
+    panic("Kernel main function returned.");
+}

arch/panic.h

@@ -0,0 +1,6 @@
+#ifndef KERNELMQ_INCLUDED_PANIC
+#define KERNELMQ_INCLUDED_PANIC 1
+
+void panic(const char *s);
+
+#endif

arch/start.s

@@ -22,7 +22,6 @@ _kernel_stack_top:
 .section .text
 
 .global _start
-.global halt
 
 .type _start, @function
 .type halt,   @function
@@ -39,11 +38,6 @@ _start:
     push %eax // Kernel information pointer
     call main
 
-halt:
-    cli
-1:
-    hlt
-    jmp 1b
+    call halt
 
 .size _start, . - _start
-.size _halt,  . - halt