linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / asm-sh64 / platform.h

diff --git a/include/asm-sh64/platform.h b/include/asm-sh64/platform.h
index bd0d9c4..7046a90 100644 (file)
--- a/include/asm-sh64/platform.h
+++ b/include/asm-sh64/platform.h
@@ -61,4 +61,9 @@ extern int platform_int_priority[NR_INTC_IRQS];
 #define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2])
 #define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1])
 
+/* Be prepared to 64-bit sign extensions */
+#define PFN_UP(x)       ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff)
+#define PFN_DOWN(x)     (((x) >> PAGE_SHIFT) & 0x000fffff)
+#define PFN_PHYS(x)     ((x) << PAGE_SHIFT)
+
 #endif /* __ASM_SH64_PLATFORM_H */