fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-arm / cacheflush.h

diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index d38a1ca..5f531ea 100644 (file)
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -10,12 +10,13 @@
 #ifndef _ASMARM_CACHEFLUSH_H
 #define _ASMARM_CACHEFLUSH_H
 
-#include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 
-#include <asm/mman.h>
 #include <asm/glue.h>
+#include <asm/shmparam.h>
+
+#define CACHE_COLOUR(vaddr)    ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
 
 /*
  *     Cache Model
@@ -24,7 +25,7 @@
 #undef _CACHE
 #undef MULTI_CACHE
 
-#if defined(CONFIG_CPU_ARM610) || defined(CONFIG_CPU_ARM710)
+#if defined(CONFIG_CPU_CACHE_V3)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
@@ -32,7 +33,7 @@
 # endif
 #endif
 
-#if defined(CONFIG_CPU_ARM720T)
+#if defined(CONFIG_CPU_CACHE_V4)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
@@ -53,7 +54,23 @@
 # endif
 #endif
 
-#if defined(CONFIG_CPU_SA110) || defined(CONFIG_CPU_SA1100)
+#if defined(CONFIG_CPU_ARM940T)
+# ifdef _CACHE
+#  define MULTI_CACHE 1
+# else
+#  define _CACHE arm940
+# endif
+#endif
+
+#if defined(CONFIG_CPU_ARM946E)
+# ifdef _CACHE
+#  define MULTI_CACHE 1
+# else
+#  define _CACHE arm946
+# endif
+#endif
+
+#if defined(CONFIG_CPU_CACHE_V4WB)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
@@ -69,6 +86,14 @@
 # endif
 #endif
 
+#if defined(CONFIG_CPU_XSC3)
+# ifdef _CACHE
+#  define MULTI_CACHE 1
+# else
+#  define _CACHE xsc3
+# endif
+#endif
+
 #if defined(CONFIG_CPU_V6)
 //# ifdef _CACHE
 #  define MULTI_CACHE 1
@@ -237,23 +262,21 @@ extern void dmac_flush_range(unsigned long, unsigned long);
  * space" model to handle this.
  */
 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-       do {                                    \
-               flush_cache_page(vma, vaddr);   \
-               memcpy(dst, src, len);          \
-               flush_dcache_page(page);        \
+       do {                                                    \
+               memcpy(dst, src, len);                          \
+               flush_ptrace_access(vma, page, vaddr, dst, len, 1);\
        } while (0)
 
 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-       do {                                    \
-               flush_cache_page(vma, vaddr);   \
-               memcpy(dst, src, len);          \
+       do {                                                    \
+               memcpy(dst, src, len);                          \
        } while (0)
 
 /*
  * Convert calls to our calling convention.
  */
 #define flush_cache_all()              __cpuc_flush_kern_all()
-
+#ifndef CONFIG_CPU_CACHE_VIPT
 static inline void flush_cache_mm(struct mm_struct *mm)
 {
        if (cpu_isset(smp_processor_id(), mm->cpu_vm_mask))
@@ -269,7 +292,7 @@ flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long
 }
 
 static inline void
-flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr)
+flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
 {
        if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
                unsigned long addr = user_addr & PAGE_MASK;
@@ -277,6 +300,27 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr)
        }
 }
 
+static inline void
+flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
+                        unsigned long uaddr, void *kaddr,
+                        unsigned long len, int write)
+{
+       if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+               unsigned long addr = (unsigned long)kaddr;
+               __cpuc_coherent_kern_range(addr, addr + len);
+       }
+}
+#else
+extern void flush_cache_mm(struct mm_struct *mm);
+extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
+extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
+extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
+                               unsigned long uaddr, void *kaddr,
+                               unsigned long len, int write);
+#endif
+
+#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
+
 /*
  * flush_cache_user_range is used when we want to ensure that the
  * Harvard caches are synchronised for the user space address range.
@@ -311,10 +355,22 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr)
  */
 extern void flush_dcache_page(struct page *);
 
+extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
+
+#define ARCH_HAS_FLUSH_ANON_PAGE
+static inline void flush_anon_page(struct vm_area_struct *vma,
+                        struct page *page, unsigned long vmaddr)
+{
+       extern void __flush_anon_page(struct vm_area_struct *vma,
+                               struct page *, unsigned long);
+       if (PageAnon(page))
+               __flush_anon_page(vma, page, vmaddr);
+}
+
 #define flush_dcache_mmap_lock(mapping) \
-       spin_lock_irq(&(mapping)->tree_lock)
+       write_lock_irq(&(mapping)->tree_lock)
 #define flush_dcache_mmap_unlock(mapping) \
-       spin_unlock_irq(&(mapping)->tree_lock)
+       write_unlock_irq(&(mapping)->tree_lock)
 
 #define flush_icache_user_range(vma,page,addr,len) \
        flush_dcache_page(page)