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authorRob Herring <rob.herring@calxeda.com>2011-12-29 06:19:53 +0000
committerPeter Maydell <peter.maydell@linaro.org>2012-01-04 13:41:42 +0000
commitb79f22656f47f0f8b4b89f096f5ae67d0cf268eb (patch)
tree60abbc9cd3da493cb701664375c8def16ef9d320
parent104a26a236f92cc62b490ea90c3a8dc8f8e07f48 (diff)
arm: add dummy gic security registers
Implement handling for the RAZ/WI gic security registers. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/arm_gic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/arm_gic.c b/hw/arm_gic.c
index 9b521195a..0339cf59f 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;
}