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-rw-r--r--include/asm-frv/highmem.h182
1 files changed, 0 insertions, 182 deletions
diff --git a/include/asm-frv/highmem.h b/include/asm-frv/highmem.h
deleted file mode 100644
index 68e4677..0000000
--- a/include/asm-frv/highmem.h
+++ /dev/null
@@ -1,182 +0,0 @@
-/* highmem.h: virtual kernel memory mappings for high memory
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- * - Derived from include/asm-i386/highmem.h
- *
- * See Documentation/frv/mmu-layout.txt for more information.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#ifndef _ASM_HIGHMEM_H
-#define _ASM_HIGHMEM_H
-
-#ifdef __KERNEL__
-
-#include <linux/init.h>
-#include <linux/highmem.h>
-#include <asm/mem-layout.h>
-#include <asm/spr-regs.h>
-#include <asm/mb-regs.h>
-
-#define NR_TLB_LINES 64 /* number of lines in the TLB */
-
-#ifndef __ASSEMBLY__
-
-#include <linux/interrupt.h>
-#include <asm/kmap_types.h>
-#include <asm/pgtable.h>
-
-#ifdef CONFIG_DEBUG_HIGHMEM
-#define HIGHMEM_DEBUG 1
-#else
-#define HIGHMEM_DEBUG 0
-#endif
-
-/* declarations for highmem.c */
-extern unsigned long highstart_pfn, highend_pfn;
-
-#define kmap_prot PAGE_KERNEL
-#define kmap_pte ______kmap_pte_in_TLB
-extern pte_t *pkmap_page_table;
-
-#define flush_cache_kmaps() do { } while (0)
-
-/*
- * Right now we initialize only a single pte table. It can be extended
- * easily, subsequent pte tables have to be allocated in one physical
- * chunk of RAM.
- */
-#define LAST_PKMAP PTRS_PER_PTE
-#define LAST_PKMAP_MASK (LAST_PKMAP - 1)
-#define PKMAP_NR(virt) ((virt - PKMAP_BASE) >> PAGE_SHIFT)
-#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT))
-
-extern void *kmap_high(struct page *page);
-extern void kunmap_high(struct page *page);
-
-extern void *kmap(struct page *page);
-extern void kunmap(struct page *page);
-
-extern struct page *kmap_atomic_to_page(void *ptr);
-
-#endif /* !__ASSEMBLY__ */
-
-/*
- * The use of kmap_atomic/kunmap_atomic is discouraged - kmap/kunmap
- * gives a more generic (and caching) interface. But kmap_atomic can
- * be used in IRQ contexts, so in some (very limited) cases we need
- * it.
- */
-#define KMAP_ATOMIC_CACHE_DAMR 8
-
-#ifndef __ASSEMBLY__
-
-#define __kmap_atomic_primary(type, paddr, ampr) \
-({ \
- unsigned long damlr, dampr; \
- \
- dampr = paddr | xAMPRx_L | xAMPRx_M | xAMPRx_S | xAMPRx_SS_16Kb | xAMPRx_V; \
- \
- if (type != __KM_CACHE) \
- asm volatile("movgs %0,dampr"#ampr :: "r"(dampr) : "memory"); \
- else \
- asm volatile("movgs %0,iampr"#ampr"\n" \
- "movgs %0,dampr"#ampr"\n" \
- :: "r"(dampr) : "memory" \
- ); \
- \
- asm("movsg damlr"#ampr",%0" : "=r"(damlr)); \
- \
- /*printk("DAMR"#ampr": PRIM sl=%d L=%08lx P=%08lx\n", type, damlr, dampr);*/ \
- \
- (void *) damlr; \
-})
-
-#define __kmap_atomic_secondary(slot, paddr) \
-({ \
- unsigned long damlr = KMAP_ATOMIC_SECONDARY_FRAME + (slot) * PAGE_SIZE; \
- unsigned long dampr = paddr | xAMPRx_L | xAMPRx_M | xAMPRx_S | xAMPRx_SS_16Kb | xAMPRx_V; \
- \
- asm volatile("movgs %0,tplr \n" \
- "movgs %1,tppr \n" \
- "tlbpr %0,gr0,#2,#1" \
- : : "r"(damlr), "r"(dampr) : "memory"); \
- \
- /*printk("TLB: SECN sl=%d L=%08lx P=%08lx\n", slot, damlr, dampr);*/ \
- \
- (void *) damlr; \
-})
-
-static inline void *kmap_atomic(struct page *page, enum km_type type)
-{
- unsigned long paddr;
-
- pagefault_disable();
- debug_kmap_atomic(type);
- paddr = page_to_phys(page);
-
- switch (type) {
- case 0: return __kmap_atomic_primary(0, paddr, 2);
- case 1: return __kmap_atomic_primary(1, paddr, 3);
- case 2: return __kmap_atomic_primary(2, paddr, 4);
- case 3: return __kmap_atomic_primary(3, paddr, 5);
- case 4: return __kmap_atomic_primary(4, paddr, 6);
- case 5: return __kmap_atomic_primary(5, paddr, 7);
- case 6: return __kmap_atomic_primary(6, paddr, 8);
- case 7: return __kmap_atomic_primary(7, paddr, 9);
- case 8: return __kmap_atomic_primary(8, paddr, 10);
-
- case 9 ... 9 + NR_TLB_LINES - 1:
- return __kmap_atomic_secondary(type - 9, paddr);
-
- default:
- BUG();
- return NULL;
- }
-}
-
-#define __kunmap_atomic_primary(type, ampr) \
-do { \
- asm volatile("movgs gr0,dampr"#ampr"\n" ::: "memory"); \
- if (type == __KM_CACHE) \
- asm volatile("movgs gr0,iampr"#ampr"\n" ::: "memory"); \
-} while(0)
-
-#define __kunmap_atomic_secondary(slot, vaddr) \
-do { \
- asm volatile("tlbpr %0,gr0,#4,#1" : : "r"(vaddr) : "memory"); \
-} while(0)
-
-static inline void kunmap_atomic(void *kvaddr, enum km_type type)
-{
- switch (type) {
- case 0: __kunmap_atomic_primary(0, 2); break;
- case 1: __kunmap_atomic_primary(1, 3); break;
- case 2: __kunmap_atomic_primary(2, 4); break;
- case 3: __kunmap_atomic_primary(3, 5); break;
- case 4: __kunmap_atomic_primary(4, 6); break;
- case 5: __kunmap_atomic_primary(5, 7); break;
- case 6: __kunmap_atomic_primary(6, 8); break;
- case 7: __kunmap_atomic_primary(7, 9); break;
- case 8: __kunmap_atomic_primary(8, 10); break;
-
- case 9 ... 9 + NR_TLB_LINES - 1:
- __kunmap_atomic_secondary(type - 9, kvaddr);
- break;
-
- default:
- BUG();
- }
- pagefault_enable();
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_HIGHMEM_H */