diff options
Diffstat (limited to 'arch/mips64/mm/andes.c')
-rw-r--r-- | arch/mips64/mm/andes.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/mips64/mm/andes.c b/arch/mips64/mm/andes.c new file mode 100644 index 000000000..13be21622 --- /dev/null +++ b/arch/mips64/mm/andes.c @@ -0,0 +1,134 @@ +/* $Id$ + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) + * Copyright (C) 1997, 1998, 1999 Ralf Baechle (ralf@gnu.org) + * Copyright (C) 1999 Silicon Graphics, Inc. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/mm.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/system.h> +#include <asm/sgialib.h> +#include <asm/mmu_context.h> + +extern unsigned long mips_tlb_entries; + +/* Cache operations. XXX Write these dave... */ +static void +andes_flush_cache_all(void) +{ + /* XXX */ +} + +static void +andes_flush_cache_mm(struct mm_struct *mm) +{ + /* XXX */ +} + +static void +andes_flush_cache_range(struct mm_struct *mm, unsigned long start, + unsigned long end) +{ + /* XXX */ +} + +static void +andes_flush_cache_page(struct vm_area_struct *vma, unsigned long page) +{ + /* XXX */ +} + +static void +andes_flush_page_to_ram(unsigned long page) +{ + /* XXX */ +} + +static void +andes_flush_cache_sigtramp(unsigned long page) +{ + /* XXX */ +} + +/* TLB operations. XXX Write these dave... */ +static void +andes_flush_tlb_all(void) +{ + /* XXX */ +} + +static void +andes_flush_tlb_mm(struct mm_struct *mm) +{ + /* XXX */ +} + +static void +andes_flush_tlb_range(struct mm_struct *mm, unsigned long start, + unsigned long end) +{ + /* XXX */ +} + +static void +andes_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) +{ + /* XXX */ +} + +static void +andes_load_pgd(unsigned long pg_dir) +{ +} + +static void +andes_pgd_init(unsigned long page) +{ +} + +static void +andes_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1, + unsigned long entryhi, unsigned long pagemask) +{ + /* XXX */ +} + +static int +andes_user_mode(struct pt_regs *regs) +{ + return (regs->cp0_status & ST0_KSU) == KSU_USER; +} + +void __init ld_mmu_andes(void) +{ + flush_cache_all = andes_flush_cache_all; + flush_cache_mm = andes_flush_cache_mm; + flush_cache_range = andes_flush_cache_range; + flush_cache_page = andes_flush_cache_page; + flush_cache_sigtramp = andes_flush_cache_sigtramp; + flush_page_to_ram = andes_flush_page_to_ram; + + flush_tlb_all = andes_flush_tlb_all; + flush_tlb_mm = andes_flush_tlb_mm; + flush_tlb_range = andes_flush_tlb_range; + flush_tlb_page = andes_flush_tlb_page; + andes_asid_setup(); + + add_wired_entry = andes_add_wired_entry; + + user_mode = andes_user_mode; + + load_pgd = andes_load_pgd; + pgd_init = andes_pgd_init; + + flush_cache_all(); + flush_tlb_all(); +} |