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[Qemu-devel] [PATCH v2 05/16] hw/intc/arm_gic: Add ns_access() function
From: |
Greg Bellows |
Subject: |
[Qemu-devel] [PATCH v2 05/16] hw/intc/arm_gic: Add ns_access() function |
Date: |
Thu, 30 Oct 2014 17:12:01 -0500 |
From: Fabian Aggeler <address@hidden>
Security Extensions for GICv1 and GICv2 use register banking
to provide transparent access to seperate Secure and Non-secure
copies of GIC configuration registers. This function will later
be replaced by code determining the security state of a read/write
access to a register.
Signed-off-by: Fabian Aggeler <address@hidden>
---
hw/intc/arm_gic.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index 0ee7778..bee71a1 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -45,6 +45,13 @@ static inline int gic_get_current_cpu(GICState *s)
return 0;
}
+/* Security state of a read / write access */
+static inline bool ns_access(void)
+{
+ /* TODO: use actual security state */
+ return true;
+}
+
/* TODO: Many places that call this routine could be optimized. */
/* Update interrupt status after enabled or pending bits have been changed. */
void gic_update(GICState *s)
--
1.8.3.2
- [Qemu-devel] [PATCH v2 00/16] target-arm: Add GICv1/SecExt and GICv2/Grouping, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 15/16] hw/intc/arm_gic: Break out gic_update() function, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 14/16] hw/intc/arm_gic: Restrict priority view, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 11/16] hw/intc/arm_gic: Handle grouping for GICC_HPPIR, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 05/16] hw/intc/arm_gic: Add ns_access() function,
Greg Bellows <=
- [Qemu-devel] [PATCH v2 01/16] hw/intc/arm_gic: Request FIQ sources, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 10/16] hw/intc/arm_gic: Implement Non-secure view of RPR, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 03/16] hw/arm/virt.c: Wire FIQ between CPU <> GIC, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 16/16] hw/intc/arm_gic: add gic_update() for grouping, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 08/16] hw/intc/arm_gic: Make ICCICR/GICC_CTLR banked, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 09/16] hw/intc/arm_gic: Make ICCBPR/GICC_BPR banked, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 07/16] hw/intc/arm_gic: Make ICDDCR/GICD_CTLR banked, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 13/16] hw/intc/arm_gic: Change behavior of IAR writes, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 02/16] hw/arm/vexpress.c: Wire FIQ between CPU <> GIC, Greg Bellows, 2014/10/31
- [Qemu-devel] [PATCH v2 04/16] hw/intc/arm_gic: Add Security Extensions property, Greg Bellows, 2014/10/31