[PATCH] ppc32: Add support for Freescale e200 (Book-E) core

[~andy/linux] / arch / ppc / kernel / traps.c

diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 2ca8ecfeefd978058bb65d6ca3d526d1e640a483..9e6ae5696650259da8212b076ca441f145fd5dbb 100644 (file)
--- 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) {