This is the mail archive of the
ecos-patches@sources.redhat.com
mailing list for the eCos project.
interrupt mask masking problem fix for hal/mips/arch/current/include/arch.inc
- From: "Andy Dyer" <adyer at righthandtech dot com>
- To: <ecos-patches at sources dot redhat dot com>
- Date: Tue, 5 Aug 2003 20:11:23 -0500
- Subject: interrupt mask masking problem fix for hal/mips/arch/current/include/arch.inc
This fixes a mask that is one bit too large in arch.inc for mips.
The extra bit is undefined and reads as 0 on all mips I know of.
Index: arch/current/include/arch.inc
===================================================================
RCS file:
/cvs/ecos/ecos/packages/hal/mips/arch/current/include/arch.inc,v
retrieving revision 1.20
diff -U5 -p -r1.20 arch.inc
--- arch/current/include/arch.inc 23 May 2002 23:03:20 -0000
1.20
+++ arch/current/include/arch.inc 6 Aug 2003 00:40:52 -0000
@@ -345,11 +345,11 @@
nop # delay slot
mfc0 v0,cause # get cause register
nop # delay slot
and v0,v0,v1 # apply interrupt mask
srl v0,v0,10 # shift interrupt bits down
- andi v0,v0,0x7f # isolate 6 interrupt bits
+ andi v0,v0,0x3f # isolate 6 interrupt bits
la v1,hal_intc_translation_table
add v0,v0,v1 # index into table
lb \vnum,0(v0) # pick up vector number
.endm
#endif
--
Andrew Dyer | adyer@righthandtech.com
Sr. Engineer | (630) 238-0789
RightHand Technologies | (630) 238-0469 (fax)
735 N. Edgewood Ave. |
Suite D |
Wood Dale, IL 60191-1261 |
USA |