X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ppc%2Fpage.h;h=a3cf8f5da7d8e87744126e0a58275e2ee6022bdd;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=4789dc024240a0b9830e575a35a5f681de2f2438;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h
index 4789dc024..a3cf8f5da 100644
--- a/include/asm-ppc/page.h
+++ b/include/asm-ppc/page.h
@@ -1,9 +1,12 @@
 #ifndef _PPC_PAGE_H
 #define _PPC_PAGE_H
 
+#include <linux/config.h>
+#include <asm/asm-compat.h>
+
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT	12
-#define PAGE_SIZE	(1UL << PAGE_SHIFT)
+#define PAGE_SIZE	(ASM_CONST(1) << PAGE_SHIFT)
 
 /*
  * Subtle: this is an int (not an unsigned long) and so it
@@ -17,6 +20,7 @@
 /* This must match what is in arch/ppc/Makefile */
 #define PAGE_OFFSET	CONFIG_KERNEL_START
 #define KERNELBASE	PAGE_OFFSET
+#define is_kernel_addr(x)	((x) >= PAGE_OFFSET)
 
 #ifndef __ASSEMBLY__
 
@@ -34,6 +38,17 @@ typedef unsigned long pte_basic_t;
 #define PTE_FMT		"%.8lx"
 #endif
 
+/* align addr on a size boundary - adjust address up/down if needed */
+#define _ALIGN_UP(addr,size)	(((addr)+((size)-1))&(~((size)-1)))
+#define _ALIGN_DOWN(addr,size)	((addr)&(~((size)-1)))
+
+/* align addr on a size boundary - adjust address up if needed */
+#define _ALIGN(addr,size)     _ALIGN_UP(addr,size)
+
+/* to align the pointer to the (next) page boundary */
+#define PAGE_ALIGN(addr)	_ALIGN(addr, PAGE_SIZE)
+
+
 #undef STRICT_MM_TYPECHECKS
 
 #ifdef STRICT_MM_TYPECHECKS
@@ -76,13 +91,6 @@ typedef unsigned long pgprot_t;
 
 #endif
 
-
-/* align addr on a size boundary - adjust address up if needed -- Cort */
-#define _ALIGN(addr,size)	(((addr)+(size)-1)&(~((size)-1)))
-
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr)	(((addr)+PAGE_SIZE-1)&PAGE_MASK)
-
 struct page;
 extern void clear_pages(void *page, int order);
 static inline void clear_page(void *page) { clear_pages(page, 0); }
@@ -142,8 +150,7 @@ extern int page_is_ram(unsigned long pfn);
 #define __pa(x) ___pa((unsigned long)(x))
 #define __va(x) ((void *)(___va((unsigned long)(x))))
 
-#define pfn_to_page(pfn)	(mem_map + ((pfn) - PPC_PGSTART))
-#define page_to_pfn(page)	((unsigned long)((page) - mem_map) + PPC_PGSTART)
+#define ARCH_PFN_OFFSET		(PPC_PGSTART)
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define page_to_virt(page)	__va(page_to_pfn(page) << PAGE_SHIFT)
 
@@ -165,5 +172,11 @@ extern __inline__ int get_order(unsigned long size)
 #define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+/* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */
+#define __HAVE_ARCH_GATE_AREA		1
+
+#define devmem_is_allowed(x) 1
+
+#include <asm-generic/memory_model.h>
 #endif /* __KERNEL__ */
 #endif /* _PPC_PAGE_H */