[PATCH 3/9] ARM: domains: move initial domain setting value to asm/domains.h
Russell King
rmk+kernel at arm.linux.org.uk
Fri Aug 21 06:31:25 PDT 2015
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
arch/arm/include/asm/domain.h | 6 ++++++
arch/arm/kernel/head.S | 5 +----
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
index 045b9b453bcd..4218f88e8f7e 100644
--- a/arch/arm/include/asm/domain.h
+++ b/arch/arm/include/asm/domain.h
@@ -58,6 +58,12 @@
#define domain_mask(dom) ((3) << (2 * (dom)))
#define domain_val(dom,type) ((type) << (2 * (dom)))
+#define DACR_INIT \
+ (domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \
+ domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
+ domain_val(DOMAIN_TABLE, DOMAIN_MANAGER) | \
+ domain_val(DOMAIN_IO, DOMAIN_CLIENT))
+
#ifndef __ASSEMBLY__
static inline unsigned int get_domain(void)
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index bd755d97e459..d56e5e9a9e1e 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -461,10 +461,7 @@ __enable_mmu:
#ifdef CONFIG_ARM_LPAE
mcrr p15, 0, r4, r5, c2 @ load TTBR0
#else
- mov r5, #(domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \
- domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
- domain_val(DOMAIN_TABLE, DOMAIN_MANAGER) | \
- domain_val(DOMAIN_IO, DOMAIN_CLIENT))
+ mov r5, #DACR_INIT
mcr p15, 0, r5, c3, c0, 0 @ load domain access register
mcr p15, 0, r4, c2, c0, 0 @ load page table pointer
#endif
--
2.1.0
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