aboutsummaryrefslogtreecommitdiff
path: root/arch/ppc/kernel/traps.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc/kernel/traps.c')
-rw-r--r--arch/ppc/kernel/traps.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 2ca8ecfeefd..9e6ae569665 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -173,13 +173,13 @@ static inline int check_io_access(struct pt_regs *regs)
/* On 4xx, the reason for the machine check or program exception
is in the ESR. */
#define get_reason(regs) ((regs)->dsisr)
-#ifndef CONFIG_E500
+#ifndef CONFIG_FSL_BOOKE
#define get_mc_reason(regs) ((regs)->dsisr)
#else
#define get_mc_reason(regs) (mfspr(SPRN_MCSR))
#endif
#define REASON_FP ESR_FP
-#define REASON_ILLEGAL ESR_PIL
+#define REASON_ILLEGAL (ESR_PIL | ESR_PUO)
#define REASON_PRIVILEGED ESR_PPR
#define REASON_TRAP ESR_PTR
@@ -302,7 +302,25 @@ void MachineCheckException(struct pt_regs *regs)
printk("Bus - Instruction Parity Error\n");
if (reason & MCSR_BUS_RPERR)
printk("Bus - Read Parity Error\n");
-#else /* !CONFIG_4xx && !CONFIG_E500 */
+#elif defined (CONFIG_E200)
+ printk("Machine check in kernel mode.\n");
+ printk("Caused by (from MCSR=%lx): ", reason);
+
+ if (reason & MCSR_MCP)
+ printk("Machine Check Signal\n");
+ if (reason & MCSR_CP_PERR)
+ printk("Cache Push Parity Error\n");
+ if (reason & MCSR_CPERR)
+ printk("Cache Parity Error\n");
+ if (reason & MCSR_EXCP_ERR)
+ printk("ISI, ITLB, or Bus Error on first instruction fetch for an exception handler\n");
+ if (reason & MCSR_BUS_IRERR)
+ printk("Bus - Read Bus Error on instruction fetch\n");
+ if (reason & MCSR_BUS_DRERR)
+ printk("Bus - Read Bus Error on data load\n");
+ if (reason & MCSR_BUS_WRERR)
+ printk("Bus - Write Bus Error on buffered store or cache line push\n");
+#else /* !CONFIG_4xx && !CONFIG_E500 && !CONFIG_E200 */
printk("Machine check in kernel mode.\n");
printk("Caused by (from SRR1=%lx): ", reason);
switch (reason & 0x601F0000) {