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[Qemu-devel] [PATCH 07/11] target-arm: Add Hyp mode checks to bad_mode_s
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 07/11] target-arm: Add Hyp mode checks to bad_mode_switch() |
Date: |
Mon, 15 Feb 2016 17:22:53 +0000 |
We don't actually support Hyp mode yet, but add the correct
checks for it to the bad_mode_switch() function for completeness.
Signed-off-by: Peter Maydell <address@hidden>
---
target-arm/helper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 37b5439..4074b97 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -5184,6 +5184,9 @@ static int bad_mode_switch(CPUARMState *env, int mode)
* allows FIQ mode to be Secure-only. (In v8 this doesn't exist.)
*/
return 0;
+ case ARM_CPU_MODE_HYP:
+ return !arm_feature(env, ARM_FEATURE_EL2)
+ || arm_current_el(env) < 2 || arm_is_secure(env);
case ARM_CPU_MODE_MON:
return !arm_is_secure(env);
default:
--
1.9.1
- [Qemu-devel] [PATCH 08/11] target-arm: Forbid mode switch to Mon from Secure EL1, (continued)
- [Qemu-devel] [PATCH 08/11] target-arm: Forbid mode switch to Mon from Secure EL1, Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 11/11] target-arm: Make Monitor->NS PL1 mode changes illegal if HCR.TGE is 1, Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 04/11] linux-user: Use restrictive mask when calling cpsr_write(), Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 09/11] target-arm: In v8, make illegal AArch32 mode changes set PSTATE.IL, Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 02/11] target-arm: Add write_type argument to cpsr_write(), Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 07/11] target-arm: Add Hyp mode checks to bad_mode_switch(),
Peter Maydell <=
- [Qemu-devel] [PATCH 05/11] target-arm: In cpsr_write() ignore mode switches from User mode, Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 01/11] target-arm: Give CPSR setting on 32-bit exception return its own helper, Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 06/11] target-arm: Add comment about not implementing NSACR.RFR, Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 10/11] target-arm: Make mode switches from Hyp via CPS and MRS illegal, Peter Maydell, 2016/02/15
- [Qemu-devel] [PATCH 03/11] target-arm: Raw CPSR writes should skip checks and bank switching, Peter Maydell, 2016/02/15