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authorwdenk <wdenk>2003-06-25 22:26:29 +0000
committerwdenk <wdenk>2003-06-25 22:26:29 +0000
commitb783edaee8252bfdba3f7b3fd29519a81ce71e42 (patch)
tree6993a909d2c21a3f07c51020edcc202a5697da91 /include/asm-arm/proc-armv/domain.h
parenta300d83cb8ad20b844e957587705675e9ac14147 (diff)
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* Header file cleanup for ARM
* Patch by Murray Jensen, 24 Jun 2003: - make sure to use only U-boot provided header files - fix problems with ".rodata.str1.4" section as used by GCC-3.x
Diffstat (limited to 'include/asm-arm/proc-armv/domain.h')
-rw-r--r--include/asm-arm/proc-armv/domain.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-arm/proc-armv/domain.h b/include/asm-arm/proc-armv/domain.h
new file mode 100644
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+++ b/include/asm-arm/proc-armv/domain.h
@@ -0,0 +1,50 @@
+/*
+ * linux/include/asm-arm/proc-armv/domain.h
+ *
+ * Copyright (C) 1999 Russell King.
+ *
+ * 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 __ASM_PROC_DOMAIN_H
+#define __ASM_PROC_DOMAIN_H
+
+/*
+ * Domain numbers
+ *
+ * DOMAIN_IO - domain 2 includes all IO only
+ * DOMAIN_KERNEL - domain 1 includes all kernel memory only
+ * DOMAIN_USER - domain 0 includes all user memory only
+ */
+#define DOMAIN_USER 0
+#define DOMAIN_KERNEL 1
+#define DOMAIN_TABLE 1
+#define DOMAIN_IO 2
+
+/*
+ * Domain types
+ */
+#define DOMAIN_NOACCESS 0
+#define DOMAIN_CLIENT 1
+#define DOMAIN_MANAGER 3
+
+#define domain_val(dom,type) ((type) << 2*(dom))
+
+#define set_domain(x) \
+ do { \
+ __asm__ __volatile__( \
+ "mcr p15, 0, %0, c3, c0 @ set domain" \
+ : : "r" (x)); \
+ } while (0)
+
+#define modify_domain(dom,type) \
+ do { \
+ unsigned int domain = current->thread.domain; \
+ domain &= ~domain_val(dom, DOMAIN_MANAGER); \
+ domain |= domain_val(dom, type); \
+ current->thread.domain = domain; \
+ set_domain(current->thread.domain); \
+ } while (0)
+
+#endif