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arm64: KVM: define HYP and Stage-2 translation page flags

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Add HYP and S2 page flags, for both normal and device memory.

Reviewed-by: Christopher Covington <cov@codeaurora.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Marc Zyngier
2012-12-07 18:35:41 +00:00
parent d683b96b07
commit 363116073a
3 changed files with 37 additions and 0 deletions
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19
arch/arm64/include/asm/pgtable-hwdef.h
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@@ -35,6 +35,7 @@
/*
* Section
*/
#define PMD_SECT_USER (_AT(pteval_t, 1) << 6) /* AP[1] */
#define PMD_SECT_S (_AT(pmdval_t, 3) << 8)
#define PMD_SECT_AF (_AT(pmdval_t, 1) << 10)
#define PMD_SECT_NG (_AT(pmdval_t, 1) << 11)
@@ -67,6 +68,24 @@
#define PTE_ATTRINDX(t) (_AT(pteval_t, (t)) << 2)
#define PTE_ATTRINDX_MASK (_AT(pteval_t, 7) << 2)
/*
* 2nd stage PTE definitions
*/
#define PTE_S2_RDONLY (_AT(pteval_t, 1) << 6) /* HAP[2:1] */
#define PTE_S2_RDWR (_AT(pteval_t, 3) << 6) /* HAP[2:1] */
/*
* Memory Attribute override for Stage-2 (MemAttr[3:0])
*/
#define PTE_S2_MEMATTR(t) (_AT(pteval_t, (t)) << 2)
#define PTE_S2_MEMATTR_MASK (_AT(pteval_t, 0xf) << 2)
/*
* EL2/HYP PTE/PMD definitions
*/
#define PMD_HYP PMD_SECT_USER
#define PTE_HYP PTE_USER
/*
* 40-bit physical address supported.
*/