patch-2.1.96 linux/include/asm-arm/arch-rpc/mmap.h

• Lines: 49
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.95/linux/include/asm-arm/arch-rpc/mmap.h
• Orig date: Tue Jan 20 16:39:42 1998

diff -u --recursive --new-file v2.1.95/linux/include/asm-arm/arch-rpc/mmap.h linux/include/asm-arm/arch-rpc/mmap.h
@@ -1,48 +0,0 @@
-/*
- * linux/include/asm-arm/arch-rpc/mmap.h
- *
- * Copyright (C) 1996 Russell King
- */
-
-#define HAVE_MAP_VID_MEM
-#define SAFE_ADDR 0x00000000	/* ROM */
-
-unsigned long map_screen_mem(unsigned long log_start, unsigned long kmem, int update)
-{
-	static int updated = 0;
-	unsigned long address;
-	pgd_t *pgd;
-
-	if (updated)
-		return 0;
-	updated = update;
-
-	address = SCREEN_START | PMD_TYPE_SECT | PMD_DOMAIN(DOMAIN_KERNEL) | PMD_SECT_AP_WRITE;
-	pgd = swapper_pg_dir + (SCREEN2_BASE >> PGDIR_SHIFT);
-	pgd_val(pgd[0]) = address;
-	pgd_val(pgd[1]) = address + (1 << PGDIR_SHIFT);
-
-	if (update) {
-		unsigned long pgtable = PAGE_ALIGN(kmem), *p;
-		int i;
-
-		memzero ((void *)pgtable, 4096);
-		
-		pgd_val(pgd[-2]) = virt_to_phys(pgtable) | PMD_TYPE_TABLE | PMD_DOMAIN(DOMAIN_KERNEL);
-		pgd_val(pgd[-1]) = virt_to_phys(pgtable + PTRS_PER_PTE*4) | PMD_TYPE_TABLE | PMD_DOMAIN(DOMAIN_KERNEL);
-		p = (unsigned long *)pgtable;
-
-		i = PTRS_PER_PTE * 2 - ((SCREEN1_END - log_start) >> PAGE_SHIFT);
-		address = SCREEN_START | PTE_TYPE_SMALL | PTE_AP_WRITE;
-
-		while (i < PTRS_PER_PTE * 2) {
-			p[i++] = address;
-			address += PAGE_SIZE;
-		}
-
-		flush_page_to_ram(pgtable);
-
-		kmem = pgtable + PAGE_SIZE;
-	}
-	return kmem;
-}