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authorDavid S. Miller <davem@davemloft.net>2010-04-06 23:53:30 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-06 23:53:30 -0700
commit4a35ecf8bf1c4b039503fa554100fe85c761de76 (patch)
tree9b75f5d5636004d9a9aa496924377379be09aa1f /arch/blackfin/mach-common/interrupt.S
parentb4d562e3c3553ac58c7120555c4e4aefbb090a2a (diff)
parentfb9e2d887243499b8d28efcf80821c4f6a092395 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/bonding/bond_main.c drivers/net/via-velocity.c drivers/net/wireless/iwlwifi/iwl-agn.c
Diffstat (limited to 'arch/blackfin/mach-common/interrupt.S')
-rw-r--r--arch/blackfin/mach-common/interrupt.S35
1 files changed, 29 insertions, 6 deletions
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index 8085ff1cce0..cee62cf4acd 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -88,6 +88,13 @@ __common_int_entry:
#else
cli r1;
#endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+ [--sp] = r0;
+ sp += -12;
+ call _trace_hardirqs_off;
+ sp += 12;
+ r0 = [sp++];
+#endif
[--sp] = RETI; /* orig_pc */
/* Clear all L registers. */
r1 = 0 (x);
@@ -109,10 +116,10 @@ __common_int_entry:
cc = r0 == 0;
if cc jump .Lcommon_restore_context;
#else /* CONFIG_IPIPE */
- call _do_irq;
+ pseudo_long_call _do_irq, p2;
SP += 12;
#endif /* CONFIG_IPIPE */
- call _return_from_int;
+ pseudo_long_call _return_from_int, p2;
.Lcommon_restore_context:
RESTORE_CONTEXT
rti;
@@ -168,7 +175,7 @@ ENTRY(_evt_ivhw)
r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
SP += -12;
- call _trap_c;
+ pseudo_long_call _trap_c, p5;
SP += 12;
#ifdef EBIU_ERRMST
@@ -179,7 +186,7 @@ ENTRY(_evt_ivhw)
w[p0] = r0.l;
#endif
- call _ret_from_exception;
+ pseudo_long_call _ret_from_exception, p2;
.Lcommon_restore_all_sys:
RESTORE_ALL_SYS
@@ -187,12 +194,28 @@ ENTRY(_evt_ivhw)
ENDPROC(_evt_ivhw)
/* Interrupt routine for evt2 (NMI).
- * We don't actually use this, so just return.
* For inner circle type details, please see:
* http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:nmi
*/
ENTRY(_evt_nmi)
+#ifndef CONFIG_NMI_WATCHDOG
.weak _evt_nmi
+#else
+ /* Not take account of CPLBs, this handler will not return */
+ SAVE_ALL_SYS
+ r0 = sp;
+ r1 = retn;
+ [sp + PT_PC] = r1;
+ trace_buffer_save(p4,r5);
+
+ ANOMALY_283_315_WORKAROUND(p4, r5)
+
+ SP += -12;
+ call _do_nmi;
+ SP += 12;
+1:
+ jump 1b;
+#endif
rtn;
ENDPROC(_evt_nmi)
@@ -223,7 +246,7 @@ ENTRY(_evt_system_call)
#ifdef CONFIG_FRAME_POINTER
fp = 0;
#endif
- call _system_call;
+ pseudo_long_call _system_call, p2;
jump .Lcommon_restore_context;
ENDPROC(_evt_system_call)