Title: [4046] trunk/arch/blackfin/mach-common/entry.S: Fix bug[#3763]
Remove walkarround in soft bp handler.
- Revision
- 4046
- Author
- sonicz
- Date
- 2007-12-17 02:14:00 -0600 (Mon, 17 Dec 2007)
Log Message
Fix bug[#3763] Remove walkarround in soft bp handler.
A better fixing is against the kgdb patch.
Diffstat
entry.S | 29 -----------------------------
1 files changed, 29 deletions(-)
Modified Paths
Diff
Modified: trunk/arch/blackfin/mach-common/entry.S (4045 => 4046)
--- trunk/arch/blackfin/mach-common/entry.S 2007-12-17 07:17:46 UTC (rev 4045)
+++ trunk/arch/blackfin/mach-common/entry.S 2007-12-17 08:14:00 UTC (rev 4046)
@@ -129,35 +129,6 @@
ENDPROC(_ex_syscall)
ENTRY(_ex_soft_bp)
- r6 = syscfg;
- bitclr (r6, 0);
- syscfg = r6;
-
- /* check if in hardware events handler */
- p4.l = lo(IPEND);
- p4.h = hi(IPEND);
- r6 = [p4];
- CC = BITTST (r6, 5);
- if !CC jump .Lreal_softbp;
-
- /* check if in soft bp or single step handler */
- P4.l = _out_ptr_excause;
- P4.h = _out_ptr_excause;
- R7 = [P4];
- R6.l = _excause_circ_buf;
- R6.h = _excause_circ_buf;
- R7 = R7 + R6;
- P4 = R7;
- R6 = [P4];
- R7 = 0xFF;
- R6 = R6 & R7;
- R7 = 0x10; /* EXCAUSE single step */
- CC = R6 == R7;
- if CC jump _bfin_return_from_exception;
- R7 = 0x1; /* EXCAUSE soft bp */
- CC = R6 == R7;
- if CC jump _bfin_return_from_exception;
-.Lreal_softbp:
r7 = retx;
r7 += -2;
retx = r7;
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