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[PULL,04/12] target/hppa: Fix calculation of CR_IIASQ back register

Message ID 20231113173237.48233-5-richard.henderson@linaro.org
State Accepted
Commit e722e5a11212f3080456dea1c3cc5b231d1d3a2d
Headers show
Series [PULL,01/12] target/hppa: Mask reserved PSW bits in expand_sm_imm | expand

Commit Message

Richard Henderson Nov. 13, 2023, 5:32 p.m. UTC 
From: Helge Deller <deller@gmx.de>

Need to use iasq_b and iaoq_b to determine back register of CR_IIASQ.
This fixes random faults when booting up Linux user space.

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/hppa/int_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/target/hppa/int_helper.c b/target/hppa/int_helper.c
index 467ee7daf5..98e9d688f6 100644
--- a/target/hppa/int_helper.c
+++ b/target/hppa/int_helper.c
@@ -126,7 +126,7 @@  void hppa_cpu_do_interrupt(CPUState *cs)
         env->cr[CR_IIASQ] =
             hppa_form_gva_psw(old_psw, env->iasq_f, env->iaoq_f) >> 32;
         env->cr_back[0] =
-            hppa_form_gva_psw(old_psw, env->iasq_f, env->iaoq_f) >> 32;
+            hppa_form_gva_psw(old_psw, env->iasq_b, env->iaoq_b) >> 32;
     } else {
         env->cr[CR_IIASQ] = 0;
         env->cr_back[0] = 0;