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authorRalf Baechle <ralf@linux-mips.org>1998-03-17 22:05:47 +0000
committerRalf Baechle <ralf@linux-mips.org>1998-03-17 22:05:47 +0000
commit27cfca1ec98e91261b1a5355d10a8996464b63af (patch)
tree8e895a53e372fa682b4c0a585b9377d67ed70d0e /include/asm-arm/proc-armo/page.h
parent6a76fb7214c477ccf6582bd79c5b4ccc4f9c41b1 (diff)
Look Ma' what I found on my harddisk ...
o New faster syscalls for 2.1.x, too o Upgrade to 2.1.89. Don't try to run this. It's flaky as hell. But feel free to debug ...
Diffstat (limited to 'include/asm-arm/proc-armo/page.h')
-rw-r--r--include/asm-arm/proc-armo/page.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/asm-arm/proc-armo/page.h b/include/asm-arm/proc-armo/page.h
new file mode 100644
index 000000000..058d7e9bd
--- /dev/null
+++ b/include/asm-arm/proc-armo/page.h
@@ -0,0 +1,69 @@
+/*
+ * linux/include/asm-arm/proc-armo/page.h
+ *
+ * Copyright (C) 1995, 1996 Russell King
+ */
+
+#ifndef __ASM_PROC_PAGE_H
+#define __ASM_PROC_PAGE_H
+
+/* PAGE_SHIFT determines the page size */
+#define PAGE_SHIFT 15
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#ifdef __KERNEL__
+
+#define STRICT_MM_TYPECHECKS
+
+#ifdef STRICT_MM_TYPECHECKS
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef struct { unsigned long pte; } pte_t;
+typedef struct { unsigned long pmd; } pmd_t;
+typedef struct { unsigned long pgd; } pgd_t;
+typedef struct { unsigned long pgprot; } pgprot_t;
+
+#define pte_val(x) ((x).pte)
+#define pmd_val(x) ((x).pmd)
+#define pgd_val(x) ((x).pgd)
+#define pgprot_val(x) ((x).pgprot)
+
+#define __pte(x) ((pte_t) { (x) } )
+#define __pmd(x) ((pmd_t) { (x) } )
+#define __pgd(x) ((pgd_t) { (x) } )
+#define __pgprot(x) ((pgprot_t) { (x) } )
+
+#else
+/*
+ * .. 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)
+
+#endif
+
+/* to align the pointer to the (next) page boundary */
+#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
+
+/* This handles the memory map.. */
+#define PAGE_OFFSET 0x02000000
+#define MAP_NR(addr) (((unsigned long)(addr) - PAGE_OFFSET) >> PAGE_SHIFT)
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_PROC_PAGE_H */
+