From b79f22656f47f0f8b4b89f096f5ae67d0cf268eb Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Thu, 29 Dec 2011 06:19:53 +0000 Subject: [PATCH] arm: add dummy gic security registers Implement handling for the RAZ/WI gic security registers. Signed-off-by: Rob Herring Signed-off-by: Mark Langsdorf Signed-off-by: Peter Maydell --- hw/arm_gic.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/arm_gic.c b/hw/arm_gic.c index 9b521195a5..0339cf59fb 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; } -- 2.11.0