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authorAntony Pavlov <antonynpavlov@gmail.com>2013-12-17 19:42:29 +0000
committerPeter Maydell <peter.maydell@linaro.org>2013-12-17 19:42:29 +0000
commit68e0a40a5342e798a76ff4c9bf33837e30099ef7 (patch)
treee8949857b11ce837405c51821b6b24a74375ce34 /target-arm/cpu.c
parente2cddeeb97a47cd58384cfd86ae79c9bbe829255 (diff)
ARM: cpu: add "reset_hivecs" property
Add an ARM CPU property for the reset value of hivecs as it is a board/SoC configurable setting. The existence of the property is conditional on the ARM CPU not being M class. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: b04216c6bda4bd163f44a55bba552d0e8267481f.1387160489.git.peter.crosthwaite@xilinx.com [ PC Changes: * Elaborated commit message * refactored to use qdev_property_add_static ] Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/cpu.c')
-rw-r--r--target-arm/cpu.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index fd04b361f9..3bce1d6fec 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -235,6 +235,9 @@ static void arm_cpu_initfn(Object *obj)
static Property arm_cpu_reset_cbar_property =
DEFINE_PROP_UINT32("reset-cbar", ARMCPU, reset_cbar, 0);
+static Property arm_cpu_reset_hivecs_property =
+ DEFINE_PROP_BOOL("reset-hivecs", ARMCPU, reset_hivecs, false);
+
static void arm_cpu_post_init(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
@@ -245,6 +248,12 @@ static void arm_cpu_post_init(Object *obj)
&err);
assert_no_error(err);
}
+
+ if (!arm_feature(&cpu->env, ARM_FEATURE_M)) {
+ qdev_property_add_static(DEVICE(obj), &arm_cpu_reset_hivecs_property,
+ &err);
+ assert_no_error(err);
+ }
}
static void arm_cpu_finalizefn(Object *obj)
@@ -307,6 +316,10 @@ 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);