diff options
Diffstat (limited to 'cpu/i386/cpu.c')
-rw-r--r-- | cpu/i386/cpu.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/cpu/i386/cpu.c b/cpu/i386/cpu.c index 5fd37c7..b9af5f8 100644 --- a/cpu/i386/cpu.c +++ b/cpu/i386/cpu.c @@ -35,6 +35,7 @@ #include <common.h> #include <command.h> +#include <asm/interrupt.h> int cpu_init(void) { @@ -64,3 +65,19 @@ void flush_cache (unsigned long dummy1, unsigned long dummy2) asm("wbinvd\n"); return; } + +void __attribute__ ((regparm(0))) generate_gpf(void); + +/* segment 0x70 is an arbitrary segment which does not exist */ +asm(".globl generate_gpf\n" + "generate_gpf:\n" + "ljmp $0x70, $0x47114711\n"); + +void __reset_cpu(ulong addr) +{ + printf("Resetting using i386 Triple Fault\n"); + set_vector(13, generate_gpf); /* general protection fault handler */ + set_vector(8, generate_gpf); /* double fault handler */ + generate_gpf(); /* start the show */ +} +void reset_cpu(ulong addr) __attribute__((weak, alias("__reset_cpu"))); |