patch-2.4.20 linux-2.4.20/arch/parisc/mm/pa20.c

• Lines: 172
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.19/arch/parisc/mm/pa20.c
• Orig date: Sun Sep 30 12:26:08 2001

diff -urN linux-2.4.19/arch/parisc/mm/pa20.c linux-2.4.20/arch/parisc/mm/pa20.c
@@ -1,171 +0,0 @@
-/* $Id: pa20.c,v 1.1 1999/03/17 01:05:41 pjlahaie Exp $
- *
- * pa20.c: PA 2.0 specific mmu/cache code.
- *
- */
-#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;
-
-/* page functions */
-void pa20_clear_page(unsigned long page)
-{
-}
-
-static void pa20_copy_page(unsigned long to, unsigned long from)
-{
-}
-
-/* Cache operations. */
-static inline void pa20_flush_cache_all(void) { }
-static void pa20_flush_cache_mm(struct mm_struct *mm) { }
-static void pa20_flush_cache_range(struct mm_struct *mm,
-				    unsigned long start,
-				    unsigned long end)
-{
-}
-
-static void pa20_flush_cache_page(struct vm_area_struct *vma,
-				   unsigned long page)
-{
-}
-
-static void pa20_flush_page_to_ram(unsigned long page)
-{
-}
-
-static void pa20_flush_cache_sigtramp(unsigned long page)
-{
-}
-
-/* TLB operations. */
-static inline void pa20_flush_tlb_all(void)
-{
-	unsigned long flags;
-	int entry;
-
-	save_and_cli(flags);
-/* Here we will need to flush all the TLBs */
-	restore_flags(flags);
-}
-
-static void pa20_flush_tlb_mm(struct mm_struct *mm)
-{
-/* This is what the MIPS does..  Is it the right thing for PA-RISC? */
-	if(mm == current->mm)
-		pa20_flush_tlb_all();
-}
-
-static void pa20_flush_tlb_range(struct mm_struct *mm, unsigned long start,
-				  unsigned long end)
-{
-	if(mm == current->mm)
-		pa20_flush_tlb_all();
-}
-
-static void pa20_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
-{
-	if(vma->vm_mm == current->mm)
-		pa20_flush_tlb_all();
-}
-
-static void pa20_load_pgd(unsigned long pg_dir)
-{
-	unsigned long flags;
-    /* We need to do the right thing here */
-}
-
-/*
- * Initialize new page directory with pointers to invalid ptes
- */
-static void pa20_pgd_init(unsigned long page)
-{
-	unsigned long dummy1, dummy2;
-
-}
-
-static void pa20_update_mmu_cache(struct vm_area_struct * vma,
-				   unsigned long address, pte_t pte)
-{
-	pa20_flush_tlb_page(vma, address);
-}
-
-static void pa20_show_regs(struct pt_regs * regs)
-{
-	/*
-	 * Saved main processor registers
-	 */
-	printk("$0 : %08x %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
-	       0, (unsigned long) regs->regs[1], (unsigned long) regs->regs[2],
-	       (unsigned long) regs->regs[3], (unsigned long) regs->regs[4],
-	       (unsigned long) regs->regs[5], (unsigned long) regs->regs[6],
-	       (unsigned long) regs->regs[7]);
-	printk("$8 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
-	       (unsigned long) regs->regs[8], (unsigned long) regs->regs[9],
-	       (unsigned long) regs->regs[10], (unsigned long) regs->regs[11],
-               (unsigned long) regs->regs[12], (unsigned long) regs->regs[13],
-	       (unsigned long) regs->regs[14], (unsigned long) regs->regs[15]);
-	printk("$16: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
-	       (unsigned long) regs->regs[16], (unsigned long) regs->regs[17],
-	       (unsigned long) regs->regs[18], (unsigned long) regs->regs[19],
-               (unsigned long) regs->regs[20], (unsigned long) regs->regs[21],
-	       (unsigned long) regs->regs[22], (unsigned long) regs->regs[23]);
-	printk("$24: %08lx %08lx                   %08lx %08lx %08lx %08lx\n",
-	       (unsigned long) regs->regs[24], (unsigned long) regs->regs[25],
-	       (unsigned long) regs->regs[28], (unsigned long) regs->regs[29],
-               (unsigned long) regs->regs[30], (unsigned long) regs->regs[31]);
-
-	/*
-	 * Saved cp0 registers
-	 */
-	printk("epc  : %08lx    %s\nStatus: %08x\nCause : %08x\n",
-	       (unsigned long) regs->cp0_epc, print_tainted(),
-	       (unsigned int) regs->cp0_status,
-	       (unsigned int) regs->cp0_cause);
-}
-
-static int pa20_user_mode(struct pt_regs *regs)
-{
-       /* Return user mode stuff?? */
-}
-
-__initfunc(void ld_mmu_pa20(void))
-{
-
-    /* Taken directly from the MIPS arch..  Lots of bad things here */
-	clear_page = pa20_clear_page;
-	copy_page = pa20_copy_page;
-
-	flush_cache_all = pa20_flush_cache_all;
-	flush_cache_mm = pa20_flush_cache_mm;
-	flush_cache_range = pa20_flush_cache_range;
-	flush_cache_page = pa20_flush_cache_page;
-	flush_cache_sigtramp = pa20_flush_cache_sigtramp;
-	flush_page_to_ram = pa20_flush_page_to_ram;
-
-	flush_tlb_all = pa20_flush_tlb_all;
-	flush_tlb_mm = pa20_flush_tlb_mm;
-	flush_tlb_range = pa20_flush_tlb_range;
-	flush_tlb_page = pa20_flush_tlb_page;
-	pa20_asid_setup();
-
-	load_pgd = pa20_load_pgd;
-	pgd_init = pa20_pgd_init;
-	update_mmu_cache = pa20_update_mmu_cache;
-
-	show_regs = pa20_show_regs;
-    
-        add_wired_entry = pa20_add_wired_entry;
-
-	user_mode = pa20_user_mode;
-	flush_tlb_all();
-}