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1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* mmu.h: memory management context for FR-V with or without MMU support
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*
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* Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ASM_MMU_H
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#define _ASM_MMU_H
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typedef struct {
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#ifdef CONFIG_MMU
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struct list_head id_link; /* link in list of context ID owners */
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unsigned short id; /* MMU context ID */
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unsigned short id_busy; /* true if ID is in CXNR */
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unsigned long itlb_cached_pge; /* [SCR0] PGE cached for insn TLB handler */
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unsigned long itlb_ptd_mapping; /* [DAMR4] PTD mapping for itlb cached PGE */
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unsigned long dtlb_cached_pge; /* [SCR1] PGE cached for data TLB handler */
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unsigned long dtlb_ptd_mapping; /* [DAMR5] PTD mapping for dtlb cached PGE */
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#else
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struct vm_list_struct *vmlist;
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unsigned long end_brk;
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#endif
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#ifdef CONFIG_BINFMT_ELF_FDPIC
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unsigned long exec_fdpic_loadmap;
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unsigned long interp_fdpic_loadmap;
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#endif
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} mm_context_t;
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#ifdef CONFIG_MMU
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extern int __nongpreldata cxn_pinned;
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extern int cxn_pin_by_pid(pid_t pid);
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#endif
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#endif /* _ASM_MMU_H */
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