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[Qemu-arm] [PATCH 04/20] target/arm: Register second AddressSpace for se
From: |
Peter Maydell |
Subject: |
[Qemu-arm] [PATCH 04/20] target/arm: Register second AddressSpace for secure v8M CPUs |
Date: |
Tue, 22 Aug 2017 16:08:43 +0100 |
If a v8M CPU supports the security extension then we need to
give it two AddressSpaces, the same way we do already for
an A profile core with EL3.
Signed-off-by: Peter Maydell <address@hidden>
---
target/arm/cpu.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index f32317e..ae866be 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -843,22 +843,21 @@ static void arm_cpu_realizefn(DeviceState *dev, Error
**errp)
init_cpreg_list(cpu);
#ifndef CONFIG_USER_ONLY
- if (cpu->has_el3) {
- cs->num_ases = 2;
- } else {
- cs->num_ases = 1;
- }
-
- if (cpu->has_el3) {
+ if (cpu->has_el3 || arm_feature(env, ARM_FEATURE_M_SECURITY)) {
AddressSpace *as;
+ cs->num_ases = 2;
+
if (!cpu->secure_memory) {
cpu->secure_memory = cs->memory;
}
as = address_space_init_shareable(cpu->secure_memory,
"cpu-secure-memory");
cpu_address_space_init(cs, as, ARMASIdx_S);
+ } else {
+ cs->num_ases = 1;
}
+
cpu_address_space_init(cs,
address_space_init_shareable(cs->memory,
"cpu-memory"),
--
2.7.4
- [Qemu-arm] [PATCH 00/20] first steps towards v8M support, Peter Maydell, 2017/08/22
- [Qemu-arm] [PATCH 07/20] target/arm: Make PRIMASK register banked for v8M, Peter Maydell, 2017/08/22
- [Qemu-arm] [PATCH 08/20] target/arm: Make FAULTMASK register banked for v8M, Peter Maydell, 2017/08/22
- [Qemu-arm] [PATCH 04/20] target/arm: Register second AddressSpace for secure v8M CPUs,
Peter Maydell <=
- [Qemu-arm] [PATCH 13/20] target/arm: Make MPU_RBAR, MPU_RLAR banked for v8M, Peter Maydell, 2017/08/22
- [Qemu-arm] [PATCH 15/20] target/arm: Make MPU_CTRL register banked for v8M, Peter Maydell, 2017/08/22
- [Qemu-arm] [PATCH 02/20] target/arm: Implement new PMSAv8 behaviour, Peter Maydell, 2017/08/22
- [Qemu-arm] [PATCH 12/20] target/arm: Make MPU_MAIR0, MPU_MAIR1 registers banked for v8M, Peter Maydell, 2017/08/22
- [Qemu-arm] [PATCH 10/20] nvic: Add NS alias SCS region, Peter Maydell, 2017/08/22