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[Qemu-devel] [RFC v2 1/2] ARM: cpu: add "reset_hivecs" property (high ve
From: |
Antony Pavlov |
Subject: |
[Qemu-devel] [RFC v2 1/2] ARM: cpu: add "reset_hivecs" property (high vectors on reset) |
Date: |
Wed, 11 Dec 2013 02:05:02 +0400 |
Signed-off-by: Antony Pavlov <address@hidden>
---
target-arm/cpu-qom.h | 1 +
target-arm/cpu.c | 24 ++++++++++++++++++++++++
2 files changed, 25 insertions(+)
diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h
index b55306a..116320c 100644
--- a/target-arm/cpu-qom.h
+++ b/target-arm/cpu-qom.h
@@ -128,6 +128,7 @@ typedef struct ARMCPU {
uint32_t ccsidr[16];
uint32_t reset_cbar;
uint32_t reset_auxcr;
+ bool reset_hivecs;
} ARMCPU;
#define TYPE_AARCH64_CPU "aarch64-cpu"
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index cbe108b..b60e3fc 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -224,6 +224,20 @@ static void arm_cpu_initfn(Object *obj)
}
}
+static bool reset_hivecs_get(Object *obj, Error **err)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ return cpu->reset_hivecs;
+}
+
+static void reset_hivecs_set(Object *obj, bool value, Error **err)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ cpu->reset_hivecs = value;
+}
+
static void arm_cpu_post_init(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
@@ -234,6 +248,12 @@ static void arm_cpu_post_init(Object *obj)
&err);
assert_no_error(err);
}
+
+ if (!arm_feature(&cpu->env, ARM_FEATURE_M)) {
+ object_property_add_bool(obj, "reset-hivecs",
+ reset_hivecs_get, reset_hivecs_set, &err);
+ assert_no_error(err);
+ }
}
static void arm_cpu_finalizefn(Object *obj)
@@ -295,6 +315,10 @@ static void arm_cpu_realizefn(DeviceState *dev, Error
**errp)
set_feature(env, ARM_FEATURE_PXN);
}
+ if (cpu->reset_hivecs) {
+ cpu->reset_sctlr |= (1 << 13);
+ }
+
register_cp_regs_for_features(cpu);
arm_cpu_register_gdb_regs_for_features(cpu);
--
1.8.5