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[Qemu-devel] [PATCH v4 4/7] arm: add dummy gic security registers
From: |
Mark Langsdorf |
Subject: |
[Qemu-devel] [PATCH v4 4/7] arm: add dummy gic security registers |
Date: |
Tue, 27 Dec 2011 19:24:37 -0600 |
From: Rob Herring <address@hidden>
Implement handling for the RAZ/WI gic security registers.
Signed-off-by: Rob Herring <address@hidden>
Signed-off-by: Mark Langsdorf <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
Changes from v2, v3
None
Changes from v1
Moved handling back inside the 0-0x100 block
Added more clarifying comments
hw/arm_gic.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/hw/arm_gic.c b/hw/arm_gic.c
index 9b52119..0339cf5 100644
--- a/hw/arm_gic.c
+++ b/hw/arm_gic.c
@@ -282,6 +282,10 @@ static uint32_t gic_dist_readb(void *opaque,
target_phys_addr_t offset)
return ((GIC_NIRQ / 32) - 1) | ((NUM_CPU(s) - 1) << 5);
if (offset < 0x08)
return 0;
+ if (offset >= 0x80) {
+ /* Interrupt Security , RAZ/WI */
+ return 0;
+ }
#endif
goto bad_reg;
} else if (offset < 0x200) {
@@ -413,6 +417,8 @@ static void gic_dist_writeb(void *opaque,
target_phys_addr_t offset,
DPRINTF("Distribution %sabled\n", s->enabled ? "En" : "Dis");
} else if (offset < 4) {
/* ignored. */
+ } else if (offset >= 0x80) {
+ /* Interrupt Security Registers, RAZ/WI */
} else {
goto bad_reg;
}
--
1.7.5.4
- [Qemu-devel] [PATCH v4 0/7] various ARM fixes, Mark Langsdorf, 2011/12/27
- [Qemu-devel] [PATCH v4 4/7] arm: add dummy gic security registers,
Mark Langsdorf <=
- [Qemu-devel] [PATCH v4 1/7] arm: add missing scu registers, Mark Langsdorf, 2011/12/27
- [Qemu-devel] [PATCH v4 3/7] arm: add dummy v7 cp15 config_base_register, Mark Langsdorf, 2011/12/27
- [Qemu-devel] [PATCH v4 5/7] add L2x0/PL310 cache controller device, Mark Langsdorf, 2011/12/27
- [Qemu-devel] [PATCH v4 6/7] Add xgmac ethernet model, Mark Langsdorf, 2011/12/27
- [Qemu-devel] [PATCH v4 2/7] arm: Set frequencies for arm_timer, Mark Langsdorf, 2011/12/27
- [Qemu-devel] [PATCH v4 7/7] arm: make the number of GIC interrupts configurable, Mark Langsdorf, 2011/12/27