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[Qemu-devel] [PATCH v2 03/17] target-arm: A64: Respect SPSEL when taking


From: Edgar E. Iglesias
Subject: [Qemu-devel] [PATCH v2 03/17] target-arm: A64: Respect SPSEL when taking exceptions
Date: Tue, 10 Jun 2014 01:04:15 +1000

From: "Edgar E. Iglesias" <address@hidden>

Signed-off-by: Edgar E. Iglesias <address@hidden>
---
 target-arm/helper-a64.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
index cccda74..bc153cb 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;
-- 
1.8.3.2




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