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-rw-r--r--arch/blackfin/mach-common/entry.S22
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index cbc5b6d1ed0..4e8e3fe0ba1 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -326,8 +326,6 @@ ENTRY(_ex_trap_c)
[p4] = r7;
csync;
-#ifndef CONFIG_DEBUG_DOUBLEFAULT
-
/*
* Save these registers, as they are only valid in exception context
* (where we are now - as soon as we defer to IRQ5, they can change)
@@ -347,7 +345,10 @@ ENTRY(_ex_trap_c)
r6 = retx;
[p5 + PDA_RETX] = r6;
-#endif
+
+ r6 = SEQSTAT;
+ [p5 + PDA_SEQSTAT] = r6;
+
/* Save the state of single stepping */
r6 = SYSCFG;
[p5 + PDA_SYSCFG] = r6;
@@ -444,6 +445,9 @@ ENTRY(_exception_to_level5)
r6 = [p5 + PDA_SYSCFG];
[sp + PT_SYSCFG] = r6;
+ r6 = [p5 + PDA_SEQSTAT]; /* Read back seqstat */
+ [sp + PT_SEQSTAT] = r6;
+
/* Restore the hardware error vector. */
r7.h = _evt_ivhw;
r7.l = _evt_ivhw;
@@ -496,7 +500,7 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
*/
EX_SCRATCH_REG = sp;
GET_PDA_SAFE(sp);
- sp = [sp + PDA_EXSTACK]
+ sp = [sp + PDA_EXSTACK];
/* Try to deal with syscalls quickly. */
[--sp] = ASTAT;
[--sp] = (R7:6,P5:4);
@@ -532,18 +536,18 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
p4.l = lo(DCPLB_FAULT_ADDR);
p4.h = hi(DCPLB_FAULT_ADDR);
r7 = [p4];
- [p5 + PDA_DCPLB] = r7;
+ [p5 + PDA_DF_DCPLB] = r7;
p4.l = lo(ICPLB_FAULT_ADDR);
p4.h = hi(ICPLB_FAULT_ADDR);
r7 = [p4];
- [p5 + PDA_ICPLB] = r7;
+ [p5 + PDA_DF_ICPLB] = r7;
- r6 = retx;
- [p5 + PDA_RETX] = r6;
+ r7 = retx;
+ [p5 + PDA_DF_RETX] = r7;
r7 = SEQSTAT; /* reason code is in bit 5:0 */
- [p5 + PDA_SEQSTAT] = r7;
+ [p5 + PDA_DF_SEQSTAT] = r7;
#else
r7 = SEQSTAT; /* reason code is in bit 5:0 */
#endif