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[Qemu-devel] [PATCH v4 08/15] target-arm: Add feature unset function
From: |
Greg Bellows |
Subject: |
[Qemu-devel] [PATCH v4 08/15] target-arm: Add feature unset function |
Date: |
Mon, 15 Dec 2014 17:09:45 -0600 |
Add an unset_feature() function to compliment the set_feature() function. This
will be used to disable functions after they have been enabled during
initialization.
Signed-off-by: Greg Bellows <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
target-arm/cpu.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index d3db279..01afed2 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -327,6 +327,11 @@ static inline void set_feature(CPUARMState *env, int
feature)
env->features |= 1ULL << feature;
}
+static inline void unset_feature(CPUARMState *env, int feature)
+{
+ env->features &= ~(1ULL << feature);
+}
+
static void arm_cpu_initfn(Object *obj)
{
CPUState *cs = CPU(obj);
--
1.8.3.2
- [Qemu-devel] [PATCH v4 00/15] target-arm: Add CPU security extension enablement, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 01/15] target-arm: Add vexpress class and machine types, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 02/15] target-arm: Add vexpress a9 & a15 machine objects, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 03/15] target-arm: Switch to common vexpress machine init, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 05/15] target-arm: Change vexpress daughterboard init arg, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 04/15] target-arm: Add vexpress machine secure property, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 06/15] target-arm: Add virt class and machine types, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 07/15] target-arm: Add virt machine secure property, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 08/15] target-arm: Add feature unset function,
Greg Bellows <=
- [Qemu-devel] [PATCH v4 09/15] target-arm: Add ARMCPU secure property, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 10/15] target-arm: Add arm_boot_info secure_boot control, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 11/15] target-arm: Enable CPU has_el3 prop during VE init, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 12/15] target-arm: Set CPU has_el3 prop during virt init, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 13/15] target-arm: Breakout integratorcp and versatilepb cpu init, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 14/15] target-arm: Disable EL3 on unsupported machines, Greg Bellows, 2014/12/15
- [Qemu-devel] [PATCH v4 15/15] target-arm: add cpu feature EL3 to CPUs with Security Extensions, Greg Bellows, 2014/12/15
- Re: [Qemu-devel] [PATCH v4 00/15] target-arm: Add CPU security extension enablement, Peter Maydell, 2014/12/16