Hi all,
A division by 0 currently does not generate a trap on the Sparc target,
instead it crashes QEMU. The patch below fixes that.
Bye,
Aurelien
Index: target-sparc/op.c
===================================================================
RCS file: /sources/qemu/qemu/target-sparc/op.c,v
retrieving revision 1.24
diff -u -d -p -r1.24 op.c
--- target-sparc/op.c 10 Feb 2007 22:58:02 -0000 1.24
+++ target-sparc/op.c 19 Mar 2007 18:49:20 -0000
@@ -671,6 +671,11 @@ void OPPROTO op_udiv_T1_T0(void)
x0 = T0 | ((uint64_t) (env->y) << 32);
x1 = T1;
+
+ if (x1 == 0) {
+ raise_exception(TT_DIV_ZERO);
+ }
+
x0 = x0 / x1;
if (x0 > 0xffffffff) {
T0 = 0xffffffff;
@@ -689,6 +694,11 @@ void OPPROTO op_sdiv_T1_T0(void)
x0 = T0 | ((int64_t) (env->y) << 32);
x1 = T1;
+
+ if (x1 == 0) {
+ raise_exception(TT_DIV_ZERO);
+ }
+
x0 = x0 / x1;
if ((int32_t) x0 != x0) {
T0 = x0 < 0? 0x80000000: 0x7fffffff;
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
`. `' [EMAIL PROTECTED] | [EMAIL PROTECTED]
`- people.debian.org/~aurel32 | www.aurel32.net
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