patch-2.1.124 linux/include/asm-sparc64/pgtable.h

• Lines: 56
• Date: Sun Oct 4 10:22:44 1998
• Orig file: v2.1.123/linux/include/asm-sparc64/pgtable.h
• Orig date: Thu Aug 6 14:06:34 1998

diff -u --recursive --new-file v2.1.123/linux/include/asm-sparc64/pgtable.h linux/include/asm-sparc64/pgtable.h
@@ -1,4 +1,4 @@
-/* $Id: pgtable.h,v 1.85 1998/08/04 20:51:33 davem Exp $
+/* $Id: pgtable.h,v 1.90 1998/09/24 03:21:56 davem Exp $
  * pgtable.h: SpitFire page table operations.
  *
  * Copyright 1996,1997 David S. Miller (davem@caip.rutgers.edu)
@@ -169,10 +169,13 @@
 #define flush_cache_range(mm, start, end)	flushw_user()
 #define flush_cache_page(vma, page)		flushw_user()
 
+extern void flush_page_to_ram(unsigned long page);
+
 /* This operation in unnecessary on the SpitFire since D-CACHE is write-through. */
-#define flush_page_to_ram(page)			do { } while (0)
 #define flush_icache_range(start, end)		do { } while (0)
 
+extern void __flush_dcache_range(unsigned long start, unsigned long end);
+
 extern void __flush_cache_all(void);
 
 extern void __flush_tlb_all(void);
@@ -517,18 +520,22 @@
 
 extern inline void SET_PAGE_DIR(struct task_struct *tsk, pgd_t *pgdir)
 {
-	if(pgdir != swapper_pg_dir && tsk == current) {
+	if(pgdir != swapper_pg_dir && tsk->mm == current->mm) {
 		register unsigned long paddr asm("o5");
 
 		paddr = __pa(pgdir);
 		__asm__ __volatile__ ("
 			rdpr		%%pstate, %%o4
 			wrpr		%%o4, %1, %%pstate
+			mov		%3, %%g4
 			mov		%0, %%g7
+			stxa		%%g0, [%%g4] %2
 			wrpr		%%o4, 0x0, %%pstate
 		" : /* No outputs */
-		  : "r" (paddr), "i" (PSTATE_MG|PSTATE_IE)
+		  : "r" (paddr), "i" (PSTATE_MG|PSTATE_IE),
+		    "i" (ASI_DMMU), "i" (TSB_REG)
 		  : "o4");
+		flush_tlb_mm(current->mm);
 	}
 }
 
@@ -619,6 +626,9 @@
 
 /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
 #define PageSkip(page)		(test_bit(PG_skip, &(page)->flags))
+
+extern int io_remap_page_range(unsigned long from, unsigned long offset,
+			       unsigned long size, pgprot_t prot, int space);
 
 #endif /* !(__ASSEMBLY__) */