diff options
Diffstat (limited to '')
| -rw-r--r-- | bsps/aarch64/include/bsp/aarch64-mmu.h | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/bsps/aarch64/include/bsp/aarch64-mmu.h b/bsps/aarch64/include/bsp/aarch64-mmu.h index a5f6e846f3..4f42d5b187 100644 --- a/bsps/aarch64/include/bsp/aarch64-mmu.h +++ b/bsps/aarch64/include/bsp/aarch64-mmu.h @@ -42,50 +42,12 @@ #include <rtems/score/aarch64-system-registers.h> #include <bspopts.h> #include <bsp/utility.h> +#include <libcpu/mmu-vmsav8-64.h> #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ -/* VMSAv8 Long-descriptor fields */ -#define MMU_DESC_AF BSP_BIT64( 10 ) -#define MMU_DESC_SH_INNER ( BSP_BIT64( 9 ) | BSP_BIT64( 8 ) ) -#define MMU_DESC_WRITE_DISABLE BSP_BIT64( 7 ) -/* PAGE and TABLE flags are the same bit, but only apply on certain levels */ -#define MMU_DESC_TYPE_TABLE BSP_BIT64( 1 ) -#define MMU_DESC_TYPE_PAGE BSP_BIT64( 1 ) -#define MMU_DESC_VALID BSP_BIT64( 0 ) -#define MMU_DESC_MAIR_ATTR( val ) BSP_FLD64( val, 2, 3 ) -#define MMU_DESC_MAIR_ATTR_GET( reg ) BSP_FLD64GET( reg, 2, 3 ) -#define MMU_DESC_MAIR_ATTR_SET( reg, val ) BSP_FLD64SET( reg, val, 2, 3 ) -#define MMU_DESC_PAGE_TABLE_MASK 0xFFFFFFFFF000LL - -/* Page table configuration */ -#define MMU_PAGE_BITS 12 -#define MMU_PAGE_SIZE ( 1 << MMU_PAGE_BITS ) -#define MMU_BITS_PER_LEVEL 9 -#define MMU_TOP_LEVEL_PAGE_BITS ( 2 * MMU_BITS_PER_LEVEL + MMU_PAGE_BITS ) - -#define AARCH64_MMU_FLAGS_BASE \ - ( MMU_DESC_VALID | MMU_DESC_SH_INNER | MMU_DESC_AF ) - -#define AARCH64_MMU_DATA_RO_CACHED \ - ( AARCH64_MMU_FLAGS_BASE | MMU_DESC_MAIR_ATTR( 3 ) | MMU_DESC_WRITE_DISABLE ) -#define AARCH64_MMU_CODE_CACHED AARCH64_MMU_DATA_RO_CACHED -#define AARCH64_MMU_CODE_RW_CACHED AARCH64_MMU_DATA_RW_CACHED - -#define AARCH64_MMU_DATA_RO \ - ( AARCH64_MMU_FLAGS_BASE | MMU_DESC_MAIR_ATTR( 1 ) | MMU_DESC_WRITE_DISABLE ) -#define AARCH64_MMU_CODE AARCH64_MMU_DATA_RO -#define AARCH64_MMU_CODE_RW AARCH64_MMU_DATA_RW - -/* RW implied by not ORing in RO */ -#define AARCH64_MMU_DATA_RW_CACHED \ - ( AARCH64_MMU_FLAGS_BASE | MMU_DESC_MAIR_ATTR( 3 ) ) -#define AARCH64_MMU_DATA_RW \ - ( AARCH64_MMU_FLAGS_BASE | MMU_DESC_MAIR_ATTR( 1 ) ) -#define AARCH64_MMU_DEVICE ( AARCH64_MMU_FLAGS_BASE | MMU_DESC_MAIR_ATTR( 0 ) ) - typedef struct { uintptr_t begin; uintptr_t end; |