summaryrefslogtreecommitdiff
path: root/include/asm-sparc/mmu_64.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sparc/mmu_64.h')
-rw-r--r--include/asm-sparc/mmu_64.h123
1 files changed, 0 insertions, 123 deletions
diff --git a/include/asm-sparc/mmu_64.h b/include/asm-sparc/mmu_64.h
deleted file mode 100644
index 9067dc500535..000000000000
--- a/include/asm-sparc/mmu_64.h
+++ /dev/null
@@ -1,123 +0,0 @@
-#ifndef __MMU_H
-#define __MMU_H
-
-#include <linux/const.h>
-#include <asm/page.h>
-#include <asm/hypervisor.h>
-
-#define CTX_NR_BITS 13
-
-#define TAG_CONTEXT_BITS ((_AC(1,UL) << CTX_NR_BITS) - _AC(1,UL))
-
-/* UltraSPARC-III+ and later have a feature whereby you can
- * select what page size the various Data-TLB instances in the
- * chip. In order to gracefully support this, we put the version
- * field in a spot outside of the areas of the context register
- * where this parameter is specified.
- */
-#define CTX_VERSION_SHIFT 22
-#define CTX_VERSION_MASK ((~0UL) << CTX_VERSION_SHIFT)
-
-#define CTX_PGSZ_8KB _AC(0x0,UL)
-#define CTX_PGSZ_64KB _AC(0x1,UL)
-#define CTX_PGSZ_512KB _AC(0x2,UL)
-#define CTX_PGSZ_4MB _AC(0x3,UL)
-#define CTX_PGSZ_BITS _AC(0x7,UL)
-#define CTX_PGSZ0_NUC_SHIFT 61
-#define CTX_PGSZ1_NUC_SHIFT 58
-#define CTX_PGSZ0_SHIFT 16
-#define CTX_PGSZ1_SHIFT 19
-#define CTX_PGSZ_MASK ((CTX_PGSZ_BITS << CTX_PGSZ0_SHIFT) | \
- (CTX_PGSZ_BITS << CTX_PGSZ1_SHIFT))
-
-#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
-#define CTX_PGSZ_BASE CTX_PGSZ_8KB
-#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
-#define CTX_PGSZ_BASE CTX_PGSZ_64KB
-#else
-#error No page size specified in kernel configuration
-#endif
-
-#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
-#define CTX_PGSZ_HUGE CTX_PGSZ_4MB
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
-#define CTX_PGSZ_HUGE CTX_PGSZ_512KB
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
-#define CTX_PGSZ_HUGE CTX_PGSZ_64KB
-#endif
-
-#define CTX_PGSZ_KERN CTX_PGSZ_4MB
-
-/* Thus, when running on UltraSPARC-III+ and later, we use the following
- * PRIMARY_CONTEXT register values for the kernel context.
- */
-#define CTX_CHEETAH_PLUS_NUC \
- ((CTX_PGSZ_KERN << CTX_PGSZ0_NUC_SHIFT) | \
- (CTX_PGSZ_BASE << CTX_PGSZ1_NUC_SHIFT))
-
-#define CTX_CHEETAH_PLUS_CTX0 \
- ((CTX_PGSZ_KERN << CTX_PGSZ0_SHIFT) | \
- (CTX_PGSZ_BASE << CTX_PGSZ1_SHIFT))
-
-/* If you want "the TLB context number" use CTX_NR_MASK. If you
- * want "the bits I program into the context registers" use
- * CTX_HW_MASK.
- */
-#define CTX_NR_MASK TAG_CONTEXT_BITS
-#define CTX_HW_MASK (CTX_NR_MASK | CTX_PGSZ_MASK)
-
-#define CTX_FIRST_VERSION ((_AC(1,UL) << CTX_VERSION_SHIFT) + _AC(1,UL))
-#define CTX_VALID(__ctx) \
- (!(((__ctx.sparc64_ctx_val) ^ tlb_context_cache) & CTX_VERSION_MASK))
-#define CTX_HWBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_HW_MASK)
-#define CTX_NRBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_NR_MASK)
-
-#ifndef __ASSEMBLY__
-
-#define TSB_ENTRY_ALIGNMENT 16
-
-struct tsb {
- unsigned long tag;
- unsigned long pte;
-} __attribute__((aligned(TSB_ENTRY_ALIGNMENT)));
-
-extern void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte);
-extern void tsb_flush(unsigned long ent, unsigned long tag);
-extern void tsb_init(struct tsb *tsb, unsigned long size);
-
-struct tsb_config {
- struct tsb *tsb;
- unsigned long tsb_rss_limit;
- unsigned long tsb_nentries;
- unsigned long tsb_reg_val;
- unsigned long tsb_map_vaddr;
- unsigned long tsb_map_pte;
-};
-
-#define MM_TSB_BASE 0
-
-#ifdef CONFIG_HUGETLB_PAGE
-#define MM_TSB_HUGE 1
-#define MM_NUM_TSBS 2
-#else
-#define MM_NUM_TSBS 1
-#endif
-
-typedef struct {
- spinlock_t lock;
- unsigned long sparc64_ctx_val;
- unsigned long huge_pte_count;
- struct tsb_config tsb_block[MM_NUM_TSBS];
- struct hv_tsb_descr tsb_descr[MM_NUM_TSBS];
-} mm_context_t;
-
-#endif /* !__ASSEMBLY__ */
-
-#define TSB_CONFIG_TSB 0x00
-#define TSB_CONFIG_RSS_LIMIT 0x08
-#define TSB_CONFIG_NENTRIES 0x10
-#define TSB_CONFIG_REG_VAL 0x18
-#define TSB_CONFIG_MAP_VADDR 0x20
-#define TSB_CONFIG_MAP_PTE 0x28
-
-#endif /* __MMU_H */