diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1998-05-07 03:14:42 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 1998-05-07 03:14:42 +0000 |
commit | dca50cc150304946afb790f00ead222736146e3e (patch) | |
tree | bdab0fb75bde086403c66b8769c0333262cb0635 /include/asm-arm/arch-rpc | |
parent | dcec8a13bf565e47942a1751a9cec21bec5648fe (diff) |
Toxic waste.
Diffstat (limited to 'include/asm-arm/arch-rpc')
-rw-r--r-- | include/asm-arm/arch-rpc/mmap.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/include/asm-arm/arch-rpc/mmap.h b/include/asm-arm/arch-rpc/mmap.h deleted file mode 100644 index 4a1cdeab9..000000000 --- a/include/asm-arm/arch-rpc/mmap.h +++ /dev/null @@ -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; -} |