Title: [4042] trunk/arch/blackfin/mach-common/entry.S: Fix bug[#3763]
ignore soft bp except when single step except occurs.
- Revision
- 4042
- Author
- sonicz
- Date
- 2007-12-14 03:16:39 -0600 (Fri, 14 Dec 2007)
Log Message
Fix bug[#3763] ignore soft bp except when single step except occurs.
Diffstat
entry.S | 11 +++++++++++
1 files changed, 11 insertions(+)
Modified Paths
Diff
Modified: trunk/arch/blackfin/mach-common/entry.S (4041 => 4042)
--- trunk/arch/blackfin/mach-common/entry.S 2007-12-14 02:00:09 UTC (rev 4041)
+++ trunk/arch/blackfin/mach-common/entry.S 2007-12-14 09:16:39 UTC (rev 4042)
@@ -129,6 +129,16 @@
ENDPROC(_ex_syscall)
ENTRY(_ex_soft_bp)
+ r6 = syscfg;
+ bitclr (r7, 0);
+ syscfg = R7;
+
+ p4.l = lo(IPEND);
+ p4.h = hi(IPEND);
+ r6 = [p4];
+ CC = BITTST (r6, 5);
+ if CC jump _bfin_return_from_exception;
+
r7 = retx;
r7 += -2;
retx = r7;
@@ -156,6 +166,7 @@
r7 = [p4];
cc = r6 == r7;
if !cc jump _ex_trap_c;
+ jump _bfin_return_from_exception;
ENDPROC(_ex_single_step)
ENTRY(_bfin_return_from_exception)
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