haraldwolff/qemu-patch-raspberry4
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Fix Arm interrupted ldm bug.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1743 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-02-04 21:50:36 +00:00
parent 3442e8964e
commit 191abaa2f0
2 changed files with 19 additions and 1 deletions
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10
target-arm/op.c
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@ -1181,3 +1181,13 @@ void OPPROTO op_movl_user_T0(void)
}
FORCE_RET();
}
void OPPROTO op_movl_T2_T0(void)
{
T2 = T0;
}
void OPPROTO op_movl_T0_T2(void)
{
T0 = T2;
}

10
target-arm/translate.c
View file

@ -1627,7 +1627,7 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
case 0x08:
case 0x09:
{
int j, n, user;
int j, n, user, loaded_base;
/* load/store multiple words */
/* XXX: store correct base if write back */
user = 0;
@ -1642,6 +1642,7 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
gen_movl_T1_reg(s, rn);
/* compute total size */
loaded_base = 0;
n = 0;
for(i=0;i<16;i++) {
if (insn & (1 << i))
@ -1675,6 +1676,9 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
gen_bx(s);
} else if (user) {
gen_op_movl_user_T0(i);
} else if (i == rn) {
gen_op_movl_T2_T0();
loaded_base = 1;
} else {
gen_movl_reg_T0(s, i);
}
@ -1718,6 +1722,10 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
}
gen_movl_reg_T1(s, rn);
}
if (loaded_base) {
gen_op_movl_T0_T2();
gen_movl_reg_T0(s, rn);
}
if ((insn & (1 << 22)) && !user) {
/* Restore CPSR from SPSR. */
gen_op_movl_T0_spsr();