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ARM: cpu: add "reset_hivecs" property

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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>
This commit is contained in:
Antony Pavlov 2013-12-17 19:42:29 +00:00 committed by Peter Maydell
parent e2cddeeb97
commit 68e0a40a53
2 changed files with 14 additions and 0 deletions
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1
target-arm/cpu-qom.h
View file

@ -139,6 +139,7 @@ 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"

13
target-arm/cpu.c
View file

@ -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);