patch-2.4.20 linux-2.4.20/include/asm-mips/page.h

• Lines: 19
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-mips/page.h
• Orig date: Fri Aug 2 17:39:45 2002

diff -urN linux-2.4.19/include/asm-mips/page.h linux-2.4.20/include/asm-mips/page.h
@@ -115,6 +115,8 @@
  * We handle pages at KSEG0 for kernels with 32 bit address space.
  */
 #define PAGE_OFFSET	0x80000000UL
+#define UNCAC_BASE	0xa0000000UL
+
 #define __pa(x)		((unsigned long) (x) - PAGE_OFFSET)
 #define __va(x)		((void *)((unsigned long) (x) + PAGE_OFFSET))
 #define virt_to_page(kaddr)	(mem_map + (__pa(kaddr) >> PAGE_SHIFT))
@@ -123,6 +125,9 @@
 #define VM_DATA_DEFAULT_FLAGS  (VM_READ | VM_WRITE | VM_EXEC | \
 				VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+#define UNCAC_ADDR(addr)	((addr) - PAGE_OFFSET + UNCAC_BASE)
+#define CAC_ADDR(addr)		((addr) - UNCAC_BASE + PAGE_OFFSET)
+
 /*
  * Memory above this physical address will be considered highmem.
  */