1 files changed, 51 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/shared/page.h b/c/src/lib/libcpu/powerpc/shared/page.h
new file mode 100644
index 0000000000..a410b9b982
--- /dev/null
+++ b/c/src/lib/libcpu/powerpc/shared/page.h
@@ -0,0 +1,51 @@
+#ifndef _PPC_PAGE_H
+#define _PPC_PAGE_H
+
+/* PAGE_SHIFT determines the page size */
+#define PAGE_SHIFT	12
+#define PAGE_SIZE	(1UL << PAGE_SHIFT)
+#define PAGE_MASK	(~(PAGE_SIZE-1))
+
+#define PAGE_OFFSET	0xc0000000
+
+
+#ifndef ASM
+/*
+ * .. while these make it easier on the compiler
+ */
+typedef unsigned long pte_t;
+typedef unsigned long pmd_t;
+typedef unsigned long pgd_t;
+typedef unsigned long pgprot_t;
+
+#define pte_val(x)	(x)
+#define pmd_val(x)	(x)
+#define pgd_val(x)	(x)
+#define pgprot_val(x)	(x)
+
+#define __pte(x)	(x)
+#define __pmd(x)	(x)
+#define __pgd(x)	(x)
+#define __pgprot(x)	(x)
+
+
+/* align addr on a size boundry - 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)
+
+
+#define clear_page(page)        memset((void *)(page), 0, PAGE_SIZE)
+#define copy_page(to,from)	memcpy((void *)(to), (void *)(from), PAGE_SIZE)
+/* map phys->virtual and virtual->phys for RAM pages */
+
+#define __pa(x)			((unsigned long)(x)-PAGE_OFFSET)
+#define __va(x)			((void *)((unsigned long)(x)+PAGE_OFFSET))
+
+#define MAP_NR(addr)		(((unsigned long)addr-PAGE_OFFSET) >> PAGE_SHIFT)
+#define MAP_PAGE_RESERVED	(1<<15)
+
+extern unsigned long get_zero_page_fast(void);
+#endif /* ASM */
+#endif /* _PPC_PAGE_H */