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[Qemu-devel] [PATCH v4 02/33] target-arm: move Aarch32 SCR into security
From: |
greg . bellows |
Subject: |
[Qemu-devel] [PATCH v4 02/33] target-arm: move Aarch32 SCR into security reglist |
Date: |
Mon, 30 Jun 2014 18:09:02 -0500 |
From: Fabian Aggeler <address@hidden>
Define a new ARM CP register info list for the ARMv7 Security Extension
feature. Register that list only for ARM cores with Security Extension/EL3
support. Moving Aarch32 SCR into Security Extension register group.
Signed-off-by: Sergey Fedorov <address@hidden>
Signed-off-by: Fabian Aggeler <address@hidden>
Signed-off-by: Greg Bellows <address@hidden>
------------------
v3 -> v4
- Renamed security_cp_reginfo to v7_el3_cp_reginfo
- Conditionalized define on whether v7 or v8 were enabled
Signed-off-by: Greg Bellows <address@hidden>
---
target-arm/helper.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 7c4b801..1ea30fe 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -792,9 +792,6 @@ static const ARMCPRegInfo v7_cp_reginfo[] = {
.access = PL1_RW, .writefn = vbar_write,
.fieldoffset = offsetof(CPUARMState, cp15.vbar_el[1]),
.resetvalue = 0 },
- { .name = "SCR", .cp = 15, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
- .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c1_scr),
- .resetvalue = 0, },
{ .name = "CCSIDR", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 0,
.access = PL1_R, .readfn = ccsidr_read, .type = ARM_CP_NO_MIGRATE },
@@ -2227,6 +2224,13 @@ static const ARMCPRegInfo v8_el3_cp_reginfo[] = {
REGINFO_SENTINEL
};
+static const ARMCPRegInfo v7_el3_cp_reginfo[] = {
+ { .name = "SCR", .cp = 15, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
+ .access = PL3_RW, .fieldoffset = offsetof(CPUARMState, cp15.scr_el3),
+ .resetvalue = 0, },
+ REGINFO_SENTINEL
+};
+
static void sctlr_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t value)
{
@@ -2489,7 +2493,12 @@ void register_cp_regs_for_features(ARMCPU *cpu)
}
}
if (arm_feature(env, ARM_FEATURE_EL3)) {
- define_arm_cp_regs(cpu, v8_el3_cp_reginfo);
+ if (arm_feature(env, ARM_FEATURE_V8)) {
+ define_arm_cp_regs(cpu, v8_el3_cp_reginfo);
+ }
+ if (arm_feature(env, ARM_FEATURE_V7)) {
+ define_arm_cp_regs(cpu, v7_el3_cp_reginfo);
+ }
}
if (arm_feature(env, ARM_FEATURE_MPU)) {
/* These are the MPU registers prior to PMSAv6. Any new
--
1.8.3.2
- [Qemu-devel] [PATCH v4 00/33] target-arm: add Security Extensions for CPUs, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 02/33] target-arm: move Aarch32 SCR into security reglist,
greg . bellows <=
- [Qemu-devel] [PATCH v4 04/33] target-arm: add arm_is_secure() function, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 03/33] target-arm: increase arrays of registers R13 & R14, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 05/33] target-arm: reject switching to monitor mode, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 01/33] target-arm: add cpu feature EL3 to CPUs with Security Extensions, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 06/33] target-arm: make arm_current_pl() return PL3, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 07/33] target-arm: add non-secure Translation Block flag, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 08/33] target-arm: A32: Emulate the SMC instruction, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 09/33] target-arm: extend Aarch32 async excp masking, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 10/33] target-arm: extend Aarch64 SCR.{FIQ|IRQ} handling, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 11/33] target-arm: add async excp target_el&mode function, greg . bellows, 2014/06/30