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[Qemu-devel] [PULL 11/13] target-arm: implement arm_debug_target_el()
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 11/13] target-arm: implement arm_debug_target_el() |
Date: |
Fri, 16 Oct 2015 14:58:05 +0100 |
From: Sergey Fedorov <address@hidden>
Implement debug exception routing according to ARM ARM D2.3.1 Pseudocode
description of routing debug exceptions.
Signed-off-by: Sergey Fedorov <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
target-arm/cpu.h | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index e555122..3daa7f5 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -1702,7 +1702,22 @@ static inline int cpu_mmu_index(CPUARMState *env, bool
ifetch)
*/
static inline int arm_debug_target_el(CPUARMState *env)
{
- return 1;
+ bool secure = arm_is_secure(env);
+ bool route_to_el2 = false;
+
+ if (arm_feature(env, ARM_FEATURE_EL2) && !secure) {
+ route_to_el2 = env->cp15.hcr_el2 & HCR_TGE ||
+ env->cp15.mdcr_el2 & (1 << 8);
+ }
+
+ if (route_to_el2) {
+ return 2;
+ } else if (arm_feature(env, ARM_FEATURE_EL3) &&
+ !arm_el_is_aa64(env, 3) && secure) {
+ return 3;
+ } else {
+ return 1;
+ }
}
static inline bool aa64_generate_debug_exceptions(CPUARMState *env)
--
1.9.1
- [Qemu-devel] [PULL 00/13] target-arm queue, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 03/13] target-arm: Avoid calling arm_el_is_aa64() function for unimplemented EL, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 02/13] target-arm: Break the TB after ISB to execute self-modified code correctly, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 12/13] target-arm: Fix GDB breakpoint handling, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 10/13] hw/arm/virt: Allow zero address for PCI IO space, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 09/13] target-arm: Add MDCR_EL2, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 07/13] arm: imx25-pdk: Fix machine name, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 13/13] target-arm: Fix CPU breakpoint handling, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 11/13] target-arm: implement arm_debug_target_el(),
Peter Maydell <=
- [Qemu-devel] [PULL 08/13] misc: zynq_slcr: Fix MMIO writes, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 01/13] target-arm: Add missing 'static' attribute, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 06/13] target-arm: Provide model numbers for Sharp PDAs, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 04/13] hw/arm/virt: smbios: inform guest of kvm, Peter Maydell, 2015/10/16
- [Qemu-devel] [PULL 05/13] target-arm: Implement AArch64 OSLAR/OSLSR_EL1 sysregs, Peter Maydell, 2015/10/16
- Re: [Qemu-devel] [PULL 00/13] target-arm queue, Peter Maydell, 2015/10/17