Title: [6565] trunk/arch/blackfin/kernel: Sync debug-mmrs with latest script, and ensure the last seqstat is
- Revision
- 6565
- Author
- rgetz
- Date
- 2009-06-03 13:58:26 -0500 (Wed, 03 Jun 2009)
Log Message
Sync debug-mmrs with latest script, and ensure the last seqstat is
exported on errors.
[!no_src_qa!] false positives in checkpatch
Modified Paths
Diff
Modified: trunk/arch/blackfin/kernel/debug-mmrs.c (6564 => 6565)
--- trunk/arch/blackfin/kernel/debug-mmrs.c 2009-06-03 14:56:10 UTC (rev 6564)
+++ trunk/arch/blackfin/kernel/debug-mmrs.c 2009-06-03 18:58:26 UTC (rev 6565)
@@ -14,6 +14,8 @@
#define D_RO(name, bits, addr) _D(name, bits, addr, S_IRUSR)
#define D_WO(name, bits, addr) _D(name, bits, addr, S_IWUSR)
+extern int last_seqstat;
+
static inline int sport_width(void *mmr)
{
unsigned long lmmr = (unsigned long)mmr;
@@ -68,6 +70,9 @@
if (top == NULL)
return -1;
+ parent = debugfs_create_dir("Core Registers", top);
+ debugfs_create_x32("SEQSTAT", S_IRUSR, parent, &last_seqstat);
+
#ifdef __ADSPBF512__
# define USE_BF512 1
#else
Modified: trunk/arch/blackfin/kernel/traps.c (6564 => 6565)
--- trunk/arch/blackfin/kernel/traps.c 2009-06-03 14:56:10 UTC (rev 6564)
+++ trunk/arch/blackfin/kernel/traps.c 2009-06-03 18:58:26 UTC (rev 6565)
@@ -69,6 +69,10 @@
({ if (0) printk(fmt, ##arg); 0; })
#endif
+#ifdef CONFIG_DEBUG_MMRS
+int last_seqstat;
+#endif
+
/* Initiate the event table handler */
void __init trap_init(void)
{
@@ -246,6 +250,9 @@
unsigned long trapnr = fp->seqstat & SEQSTAT_EXCAUSE;
trace_buffer_save(j);
+#ifdef CONFIG_DEBUG_MMRS
+ last_seqstat = fp->seqstat;
+#endif
/* Important - be very careful dereferncing pointers - will lead to
* double faults if the stack has become corrupt
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