[src/trunk]: src/sys/arch/arm/arm The mode synonyms are different for stm and...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d21cde9209f4
branches:  trunk
changeset: 805435:d21cde9209f4
user:      skrll <skrll%NetBSD.org@localhost>
date:      Fri Jan 02 10:03:42 2015 +0000

description:
The mode synonyms are different for stm and ldm - handle this.

PR/49520: arm/disassem.c doesn't use proper address mode name for loads

diffstat:

 sys/arch/arm/arm/disassem.c |  9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diffs (37 lines):

diff -r e8dba22985da -r d21cde9209f4 sys/arch/arm/arm/disassem.c
--- a/sys/arch/arm/arm/disassem.c       Fri Jan 02 09:48:01 2015 +0000
+++ b/sys/arch/arm/arm/disassem.c       Fri Jan 02 10:03:42 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: disassem.c,v 1.25 2014/11/21 23:36:20 joerg Exp $      */
+/*     $NetBSD: disassem.c,v 1.26 2015/01/02 10:03:42 skrll Exp $      */
 
 /*
  * Copyright (c) 1996 Mark Brinicombe.
@@ -49,7 +49,7 @@
 
 #include <sys/param.h>
 
-__KERNEL_RCSID(0, "$NetBSD: disassem.c,v 1.25 2014/11/21 23:36:20 joerg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: disassem.c,v 1.26 2015/01/02 10:03:42 skrll Exp $");
 
 #include <sys/systm.h>
 
@@ -276,7 +276,8 @@
 };
 
 static char const insn_stack_block_transfers[][4] = {
-       "ed", "ea", "fd", "fa"
+       "ed", "ea", "fd", "fa", /* stm */
+       "fa", "fd", "ea", "ed", /* ldm */
 };
 
 static char const op_shifts[][4] = {
@@ -298,7 +299,7 @@
 
 #define insn_condition(x)      arm32_insn_conditions[(x >> 28) & 0x0f]
 #define insn_blktrans(x)       insn_block_transfers[(x >> 23) & 3]
-#define insn_stkblktrans(x)    insn_stack_block_transfers[(x >> 23) & 3]
+#define insn_stkblktrans(x)    insn_stack_block_transfers[((x >> (20 - 2)) & 4)|((x >> 23) & 3)]
 #define op2_shift(x)           op_shifts[(x >> 5) & 3]
 #define insn_fparnd(x)         insn_fpa_rounding[(x >> 5) & 0x03]
 #define insn_fpaprec(x)                insn_fpa_precision[(((x >> 18) & 2)|(x >> 7)) & 1]