diff options
Diffstat (limited to 'cpu/mpc5xxx/traps.c')
| -rw-r--r-- | cpu/mpc5xxx/traps.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/cpu/mpc5xxx/traps.c b/cpu/mpc5xxx/traps.c index 5d43394..2ee782b 100644 --- a/cpu/mpc5xxx/traps.c +++ b/cpu/mpc5xxx/traps.c @@ -5,6 +5,7 @@ * * Modified by Cort Dougan (cort@cs.nmt.edu) * and Paul Mackerras (paulus@cs.anu.edu.au) + * fixed Machine Check Reasons by Reinhard Meyer (r.meyer@emk-elektronik.de) * * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -130,19 +131,20 @@ MachineCheckException(struct pt_regs *regs) printf("Machine check in kernel mode.\n"); printf("Caused by (from msr): "); printf("regs %p ",regs); - switch( regs->msr & 0x0000F000) + /* refer to 603e Manual (MPC603EUM/AD), chapter 4.5.2.1 */ + switch( regs->msr & 0x000F0000) { - case (1<<12) : + case (0x80000000>>12) : printf("Machine check signal - probably due to mm fault\n" "with mmu off\n"); break; - case (1<<13) : + case (0x80000000>>13) : printf("Transfer error ack signal\n"); break; - case (1<<14) : + case (0x80000000>>14) : printf("Data parity signal\n"); break; - case (1<<15) : + case (0x80000000>>15) : printf("Address parity signal\n"); break; default: |