diff options
Diffstat (limited to 'cpu/mpc86xx/traps.c')
| -rw-r--r-- | cpu/mpc86xx/traps.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/cpu/mpc86xx/traps.c b/cpu/mpc86xx/traps.c index fab1975..04c2e13 100644 --- a/cpu/mpc86xx/traps.c +++ b/cpu/mpc86xx/traps.c @@ -34,6 +34,8 @@ #include <command.h> #include <asm/processor.h> +DECLARE_GLOBAL_DATA_PTR; + #if defined(CONFIG_CMD_KGDB) int (*debugger_exception_handler)(struct pt_regs *) = 0; #endif @@ -50,8 +52,6 @@ extern unsigned long search_exception_table(unsigned long); void print_backtrace(unsigned long *sp) { - DECLARE_GLOBAL_DATA_PTR; - int cnt = 0; unsigned long i; @@ -130,8 +130,11 @@ MachineCheckException(struct pt_regs *regs) printf("Machine check in kernel mode.\n"); printf("Caused by (from msr): "); printf("regs %p ", regs); - switch (regs->msr & 0x000F0000) { - case (0x80000000 >> 12): + switch ( regs->msr & 0x001F0000) { + case (0x80000000>>11): + printf("MSS error. MSSSR0: %08x\n", mfspr(SPRN_MSSSR0)); + break; + case (0x80000000>>12): printf("Machine check signal - probably due to mm fault\n" "with mmu off\n"); break; @@ -209,6 +212,7 @@ UnknownException(struct pt_regs *regs) if (debugger_exception_handler && (*debugger_exception_handler) (regs)) return; #endif + printf("UnknownException regs@%x\n", regs); printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n", regs->nip, regs->msr, regs->trap); _exception(0, regs); |