X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fmm%2Fc-r3k.c;h=d1af42c2a52e1b24c4342ab1a2990ededac007e6;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=444df9c5a55ae801500838e4868db847231b56db;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 444df9c5a..d1af42c2a 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -7,7 +7,7 @@
  * Tx39XX R4k style caches added. HK
  * Copyright (C) 1998, 1999, 2000 Harald Koerfgen
  * Copyright (C) 1998 Gleb Raiko & Vladimir Roganov
- * Copyright (C) 2001  Maciej W. Rozycki
+ * Copyright (C) 2001, 2004  Maciej W. Rozycki
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -129,7 +129,7 @@ static void r3k_flush_icache_range(unsigned long start, unsigned long end)
 			"sb\t$0, 0x014(%0)\n\t"
 			"sb\t$0, 0x018(%0)\n\t"
 			"sb\t$0, 0x01c(%0)\n\t"
-		 	"sb\t$0, 0x020(%0)\n\t"
+			"sb\t$0, 0x020(%0)\n\t"
 			"sb\t$0, 0x024(%0)\n\t"
 			"sb\t$0, 0x028(%0)\n\t"
 			"sb\t$0, 0x02c(%0)\n\t"
@@ -145,7 +145,7 @@ static void r3k_flush_icache_range(unsigned long start, unsigned long end)
 			"sb\t$0, 0x054(%0)\n\t"
 			"sb\t$0, 0x058(%0)\n\t"
 			"sb\t$0, 0x05c(%0)\n\t"
-		 	"sb\t$0, 0x060(%0)\n\t"
+			"sb\t$0, 0x060(%0)\n\t"
 			"sb\t$0, 0x064(%0)\n\t"
 			"sb\t$0, 0x068(%0)\n\t"
 			"sb\t$0, 0x06c(%0)\n\t"
@@ -182,31 +182,31 @@ static void r3k_flush_dcache_range(unsigned long start, unsigned long end)
 			"sb\t$0, 0x004(%0)\n\t"
 			"sb\t$0, 0x008(%0)\n\t"
 			"sb\t$0, 0x00c(%0)\n\t"
-		 	"sb\t$0, 0x010(%0)\n\t"
+			"sb\t$0, 0x010(%0)\n\t"
 			"sb\t$0, 0x014(%0)\n\t"
 			"sb\t$0, 0x018(%0)\n\t"
 			"sb\t$0, 0x01c(%0)\n\t"
-		 	"sb\t$0, 0x020(%0)\n\t"
+			"sb\t$0, 0x020(%0)\n\t"
 			"sb\t$0, 0x024(%0)\n\t"
 			"sb\t$0, 0x028(%0)\n\t"
 			"sb\t$0, 0x02c(%0)\n\t"
-		 	"sb\t$0, 0x030(%0)\n\t"
+			"sb\t$0, 0x030(%0)\n\t"
 			"sb\t$0, 0x034(%0)\n\t"
 			"sb\t$0, 0x038(%0)\n\t"
 			"sb\t$0, 0x03c(%0)\n\t"
-		 	"sb\t$0, 0x040(%0)\n\t"
+			"sb\t$0, 0x040(%0)\n\t"
 			"sb\t$0, 0x044(%0)\n\t"
 			"sb\t$0, 0x048(%0)\n\t"
 			"sb\t$0, 0x04c(%0)\n\t"
-		 	"sb\t$0, 0x050(%0)\n\t"
+			"sb\t$0, 0x050(%0)\n\t"
 			"sb\t$0, 0x054(%0)\n\t"
 			"sb\t$0, 0x058(%0)\n\t"
 			"sb\t$0, 0x05c(%0)\n\t"
-		 	"sb\t$0, 0x060(%0)\n\t"
+			"sb\t$0, 0x060(%0)\n\t"
 			"sb\t$0, 0x064(%0)\n\t"
 			"sb\t$0, 0x068(%0)\n\t"
 			"sb\t$0, 0x06c(%0)\n\t"
-		 	"sb\t$0, 0x070(%0)\n\t"
+			"sb\t$0, 0x070(%0)\n\t"
 			"sb\t$0, 0x074(%0)\n\t"
 			"sb\t$0, 0x078(%0)\n\t"
 			"sb\t$0, 0x07c(%0)\n\t"
@@ -221,12 +221,14 @@ static inline unsigned long get_phys_page (unsigned long addr,
 					   struct mm_struct *mm)
 {
 	pgd_t *pgd;
+	pud_t *pud;
 	pmd_t *pmd;
 	pte_t *pte;
 	unsigned long physpage;
 
 	pgd = pgd_offset(mm, addr);
-	pmd = pmd_offset(pgd, addr);
+	pud = pud_offset(pgd, addr);
+	pmd = pmd_offset(pud, addr);
 	pte = pte_offset(pmd, addr);
 
 	if ((physpage = pte_val(*pte)) & _PAGE_VALID)
@@ -254,33 +256,16 @@ static void r3k_flush_cache_range(struct vm_area_struct *vma,
 {
 }
 
-static void r3k_flush_cache_page(struct vm_area_struct *vma,
-	unsigned long page)
+static void r3k_flush_cache_page(struct vm_area_struct *vma, unsigned long page, unsigned long pfn)
 {
 }
 
-static void r3k_flush_data_cache_page(unsigned long addr)
+static void local_r3k_flush_data_cache_page(unsigned long addr)
 {
 }
 
-static void r3k_flush_icache_page(struct vm_area_struct *vma, struct page *page)
+static void r3k_flush_data_cache_page(unsigned long addr)
 {
-	struct mm_struct *mm = vma->vm_mm;
-	unsigned long physpage;
-
-	if (cpu_context(smp_processor_id(), mm) == 0)
-		return;
-
-	if (!(vma->vm_flags & VM_EXEC))
-		return;
-
-#ifdef DEBUG_CACHE
-	printk("cpage[%d,%08lx]", cpu_context(smp_processor_id(), mm), page);
-#endif
-
-	physpage = (unsigned long) page_address(page);
-	if (physpage)
-		r3k_flush_icache_range(physpage, physpage + PAGE_SIZE);
 }
 
 static void r3k_flush_cache_sigtramp(unsigned long addr)
@@ -318,7 +303,7 @@ static void r3k_dma_cache_wback_inv(unsigned long start, unsigned long size)
 	r3k_flush_dcache_range(start, start + size);
 }
 
-void __init ld_mmu_r23000(void)
+void __init r3k_cache_init(void)
 {
 	extern void build_clear_page(void);
 	extern void build_copy_page(void);
@@ -330,13 +315,15 @@ void __init ld_mmu_r23000(void)
 	flush_cache_mm = r3k_flush_cache_mm;
 	flush_cache_range = r3k_flush_cache_range;
 	flush_cache_page = r3k_flush_cache_page;
-	flush_icache_page = r3k_flush_icache_page;
 	flush_icache_range = r3k_flush_icache_range;
 
 	flush_cache_sigtramp = r3k_flush_cache_sigtramp;
+	local_flush_data_cache_page = local_r3k_flush_data_cache_page;
 	flush_data_cache_page = r3k_flush_data_cache_page;
 
 	_dma_cache_wback_inv = r3k_dma_cache_wback_inv;
+	_dma_cache_wback = r3k_dma_cache_wback_inv;
+	_dma_cache_inv = r3k_dma_cache_wback_inv;
 
 	printk("Primary instruction cache %ldkB, linesize %ld bytes.\n",
 		icache_size >> 10, icache_lsize);