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-rw-r--r--include/asm-arm/page-nommu.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/asm-arm/page-nommu.h b/include/asm-arm/page-nommu.h
new file mode 100644
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--- /dev/null
+++ b/include/asm-arm/page-nommu.h
@@ -0,0 +1,51 @@
+/*
+ * linux/include/asm-arm/page-nommu.h
+ *
+ * Copyright (C) 2004 Hyok S. Choi
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _ASMARM_PAGE_NOMMU_H
+#define _ASMARM_PAGE_NOMMU_H
+
+#if !defined(CONFIG_SMALL_TASKS) && PAGE_SHIFT < 13
+#define KTHREAD_SIZE (8192)
+#else
+#define KTHREAD_SIZE PAGE_SIZE
+#endif
+
+#define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
+#define free_user_page(page, addr) free_page(addr)
+
+#define clear_page(page) memset((page), 0, PAGE_SIZE)
+#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(page, vaddr, pg) clear_page(page)
+#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef unsigned long pte_t;
+typedef unsigned long pmd_t;
+typedef unsigned long pgd_t[2];
+typedef unsigned long pgprot_t;
+
+#define pte_val(x) (x)
+#define pmd_val(x) (x)
+#define pgd_val(x) ((x)[0])
+#define pgprot_val(x) (x)
+
+#define __pte(x) (x)
+#define __pmd(x) (x)
+#define __pgprot(x) (x)
+
+/* to align the pointer to the (next) page boundary */
+#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
+
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+
+#endif