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authorDavid Howells <dhowells@redhat.com>2009-04-10 01:48:06 +0100
committerDavid Howells <dhowells@redhat.com>2009-04-10 01:48:06 +0100
commite69cc9278831139660cb99bde52908f145338d77 (patch)
treefdc1f002b6036a2220d73c86a253886fa76015dc /arch/frv/include/asm/mmu.h
parent187934655fa0637d4ef3967d4543c6dcccf33058 (diff)
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FRV: Move to arch/frv/include/asm/
Move arch headers from include/asm-frv/ to arch/frv/include/asm/. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/frv/include/asm/mmu.h')
-rw-r--r--arch/frv/include/asm/mmu.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/frv/include/asm/mmu.h b/arch/frv/include/asm/mmu.h
new file mode 100644
index 0000000..86ca0e8
--- /dev/null
+++ b/arch/frv/include/asm/mmu.h
@@ -0,0 +1,41 @@
+/* mmu.h: memory management context for FR-V with or without MMU support
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_MMU_H
+#define _ASM_MMU_H
+
+typedef struct {
+#ifdef CONFIG_MMU
+ struct list_head id_link; /* link in list of context ID owners */
+ unsigned short id; /* MMU context ID */
+ unsigned short id_busy; /* true if ID is in CXNR */
+ unsigned long itlb_cached_pge; /* [SCR0] PGE cached for insn TLB handler */
+ unsigned long itlb_ptd_mapping; /* [DAMR4] PTD mapping for itlb cached PGE */
+ unsigned long dtlb_cached_pge; /* [SCR1] PGE cached for data TLB handler */
+ unsigned long dtlb_ptd_mapping; /* [DAMR5] PTD mapping for dtlb cached PGE */
+
+#else
+ unsigned long end_brk;
+
+#endif
+
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+ unsigned long exec_fdpic_loadmap;
+ unsigned long interp_fdpic_loadmap;
+#endif
+
+} mm_context_t;
+
+#ifdef CONFIG_MMU
+extern int __nongpreldata cxn_pinned;
+extern int cxn_pin_by_pid(pid_t pid);
+#endif
+
+#endif /* _ASM_MMU_H */