The attached patch fixes a bug in execution of "blx lr".
Current behavior:
lr <- pc
branch lr
Expected behavior:
temp <- lr
lr <- pc
branch temp
Lauro
Index: target-arm/translate.c
===================================================================
RCS file: /sources/qemu/qemu/target-arm/translate.c,v
retrieving revision 1.51
diff -u -r1.51 translate.c
--- target-arm/translate.c 1 May 2007 01:28:01 -0000 1.51
+++ target-arm/translate.c 8 Jun 2007 23:28:59 -0000
@@ -2325,9 +2325,9 @@
/* branch link/exchange thumb (blx) */
val = (uint32_t)s->pc;
- gen_op_movl_T0_im(val);
- gen_movl_reg_T0(s, 14);
+ gen_op_movl_T1_im(val);
gen_movl_T0_reg(s, rm);
+ gen_movl_reg_T1(s, 14);
gen_bx(s);
break;
case 0x5: /* saturating add/subtract */
