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[Qemu-devel] [RFC 1/1] hw/arm: Setup EL1 and EL2 in AArch64 mode for 64b
From: |
Edgar E. Iglesias |
Subject: |
[Qemu-devel] [RFC 1/1] hw/arm: Setup EL1 and EL2 in AArch64 mode for 64bit Linux boots |
Date: |
Thu, 28 Jan 2016 00:42:51 +0100 |
From: "Edgar E. Iglesias" <address@hidden>
When booting Linux on AArch64 enabled cores, setup EL1 and
EL2 to use AArch64.
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
hw/arm/boot.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index 7742dd3..d05a998 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -488,7 +488,9 @@ static void do_cpu_reset(void *opaque)
* adjust.
*/
if (env->aarch64) {
+ env->cp15.scr_el3 |= SCR_RW;
if (arm_feature(env, ARM_FEATURE_EL2)) {
+ env->cp15.hcr_el2 |= HCR_RW;
env->pstate = PSTATE_MODE_EL2h;
} else {
env->pstate = PSTATE_MODE_EL1h;
--
1.9.1