patch-2.2.8 linux/include/asm-arm/proc-armo/mm-init-flat.h

• Lines: 83
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.2.7/linux/include/asm-arm/proc-armo/mm-init-flat.h
• Orig date: Tue Jan 20 16:39:42 1998

diff -u --recursive --new-file v2.2.7/linux/include/asm-arm/proc-armo/mm-init-flat.h linux/include/asm-arm/proc-armo/mm-init-flat.h
@@ -1,82 +0,0 @@
-/*
- * linux/include/asm-arm/proc-armo/mmap.h
- *
- * Copyright (C) 1996 Russell King
- *
- * This contains the code to setup the memory map on an ARM2/ARM250/ARM3
- * machine. This is both processor & architecture specific, and requires
- * some more work to get it to fit into our separate processor and
- * architecture structure.
- */
-
-static unsigned long phys_screen_end;
-int page_nr;
-
-#define setup_processor_functions()
-
-/*
- * This routine needs more work to make it dynamically release/allocate mem!
- */
-unsigned long map_screen_mem(unsigned long log_start, unsigned long kmem, int update)
-{
-	static int updated = 0;
-	unsigned long address = SCREEN_START, i;
-	pgd_t *pg_dir;
-	pmd_t *pm_dir;
-	pte_t *pt_entry;
-
-	if (updated)
-		return 0;
-	updated = update;
-
-	pg_dir = swapper_pg_dir + (SCREEN1_BASE >> PGDIR_SHIFT);
-	pm_dir = pmd_offset(pg_dir, SCREEN1_BASE);
-	pt_entry = pte_offset(pm_dir, SCREEN1_BASE);
-
-	for (i = SCREEN1_BASE; i < SCREEN1_END; i += PAGE_SIZE) {
-		if (i >= log_start) {
-			*pt_entry = mk_pte(address, __pgprot(_PAGE_PRESENT));
-			address += PAGE_SIZE;
-		} else
-			*pt_entry = mk_pte(0, __pgprot(0));
-		pt_entry++;
-	}
-	phys_screen_end = address;
-	if (update)
-		flush_tlb_all ();
-	return kmem;
-}
-
-static inline unsigned long setup_pagetables(unsigned long start_mem, unsigned long end_mem)
-{
-	unsigned long address;
-	unsigned int spi;
-
-	page_nr = MAP_NR(end_mem);
-
-	/* Allocate zero page */
-	address = PAGE_OFFSET + 480*1024;
-	for (spi = 0; spi < 32768 >> PAGE_SHIFT; spi++) {
-		pgd_val(swapper_pg_dir[spi]) = pte_val(mk_pte(address, PAGE_READONLY));
-		address += PAGE_SIZE;
-	}
-
-	while (spi < (PAGE_OFFSET >> PGDIR_SHIFT))
-		pgd_val(swapper_pg_dir[spi++]) = 0;
-
-	map_screen_mem (SCREEN1_END - 480*1024, 0, 0);
-	return start_mem;
-}
-
-static inline void mark_usable_memory_areas(unsigned long *start_mem, unsigned long end_mem)
-{
-	unsigned long smem = PAGE_ALIGN(*start_mem);
-
-	while (smem < end_mem) {
-		clear_bit(PG_reserved, &mem_map[MAP_NR(smem)].flags);
-		smem += PAGE_SIZE;
-	}
-
-	for (smem = phys_screen_end; smem < SCREEN2_END; smem += PAGE_SIZE)
-		clear_bit(PG_reserved, &mem_map[MAP_NR(smem)].flags);
-}