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Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r--arch/blackfin/kernel/asm-offsets.c1
-rw-r--r--arch/blackfin/kernel/traps.c19
2 files changed, 11 insertions, 9 deletions
diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index b5df9459d6d..8ad4f2c6996 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -145,6 +145,7 @@ int main(void)
DEFINE(PDA_EXBUF, offsetof(struct blackfin_pda, ex_buf));
DEFINE(PDA_EXIMASK, offsetof(struct blackfin_pda, ex_imask));
DEFINE(PDA_EXSTACK, offsetof(struct blackfin_pda, ex_stack));
+ DEFINE(PDA_EXIPEND, offsetof(struct blackfin_pda, ex_ipend));
#ifdef ANOMALY_05000261
DEFINE(PDA_LFRETX, offsetof(struct blackfin_pda, last_cplb_fault_retx));
#endif
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index bf2b2d1f8ae..fccf741ed3b 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -267,11 +267,6 @@ asmlinkage void trap_c(struct pt_regs *fp)
* double faults if the stack has become corrupt
*/
-#ifndef CONFIG_KGDB
- /* IPEND is skipped if KGDB isn't enabled (see entry code) */
- fp->ipend = bfin_read_IPEND();
-#endif
-
/* trap_c() will be called for exceptions. During exceptions
* processing, the pc value should be set with retx value.
* With this change we can cleanup some code in signal.c- TODO
@@ -1116,10 +1111,16 @@ void show_regs(struct pt_regs *fp)
verbose_printk(KERN_NOTICE "%s", linux_banner);
- verbose_printk(KERN_NOTICE "\nSEQUENCER STATUS:\t\t%s\n",
- print_tainted());
- verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n",
- (long)fp->seqstat, fp->ipend, fp->syscfg);
+ verbose_printk(KERN_NOTICE "\nSEQUENCER STATUS:\t\t%s\n", print_tainted());
+ verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx IMASK: %04lx SYSCFG: %04lx\n",
+ (long)fp->seqstat, fp->ipend, cpu_pda[smp_processor_id()].ex_imask, fp->syscfg);
+ if (fp->ipend & EVT_IRPTEN)
+ verbose_printk(KERN_NOTICE " Global Interrupts Disabled (IPEND[4])\n");
+ if (!(cpu_pda[smp_processor_id()].ex_imask & (EVT_IVG13 | EVT_IVG12 | EVT_IVG11 |
+ EVT_IVG10 | EVT_IVG9 | EVT_IVG8 | EVT_IVG7 | EVT_IVTMR)))
+ verbose_printk(KERN_NOTICE " Peripheral interrupts masked off\n");
+ if (!(cpu_pda[smp_processor_id()].ex_imask & (EVT_IVG15 | EVT_IVG14)))
+ verbose_printk(KERN_NOTICE " Kernel interrupts masked off\n");
if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) {
verbose_printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n",
(fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14);