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[v3,03/16] target-arm: A64: Respect SPSEL when taking exceptions

Message ID 1402994746-8328-4-git-send-email-edgar.iglesias@gmail.com
State New
Headers show

Commit Message

Edgar E. Iglesias June 17, 2014, 8:45 a.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 target-arm/helper-a64.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
index 2b4ce6a..027434a 100644
--- a/target-arm/helper-a64.c
+++ b/target-arm/helper-a64.c
@@ -489,8 +489,7 @@  void aarch64_cpu_do_interrupt(CPUState *cs)
 
     if (is_a64(env)) {
         env->banked_spsr[aarch64_banked_spsr_index(1)] = pstate_read(env);
-        env->sp_el[arm_current_pl(env)] = env->xregs[31];
-        env->xregs[31] = env->sp_el[1];
+        aarch64_save_sp(env, arm_current_pl(env));
         env->elr_el[1] = env->pc;
     } else {
         env->banked_spsr[0] = cpsr_read(env);
@@ -508,6 +507,7 @@  void aarch64_cpu_do_interrupt(CPUState *cs)
 
     pstate_write(env, PSTATE_DAIF | PSTATE_MODE_EL1h);
     env->aarch64 = 1;
+    aarch64_restore_sp(env, 1);
 
     env->pc = addr;
     cs->interrupt_request |= CPU_INTERRUPT_EXITTB;