25f122dc09
Remove partially implemented writeback support. * dcache.c: Include splay-tree.h. (LINE_SIZE_POWER): Change from 5 to 6. (DCACHE_SIZE): Change from 64 to 4096. (ENTRY_INVALID, ENTRY_VALID, ENTRY_DIRTY): Delete. (state_chars): Delete. (struct dcache_block): Clean up; remove state and anydirty fields. (struct dcache_struct): Redefine as a splay tree and linked list. (last_cache): Make static. (dcache_invalidate, dcache_hit): Rewrite for new cache structure. (dcache_read_line, dcache_alloc): Rewrite for new cache structure. (dcache_write_line): Delete. (dcache_writeback): Delete. (dcache_peek_byte): Clean up; remove "invalid" state check. (dcache_poke_byte): Rewrite for new cache structure; clarify comment. (dcache_splay_tree_compare): New function. (dcache_init, dcache_free): Rewrite for new cache structure. (dcache_xfer_memory): Rewrite for new write-through cache structure. (dcache_print_line): New function. (dcache_info): Rewrite for new cache structure. (_initialize_dcache): Update "info dcache" help text. * dcache.h (dcache_xfer_memory): Update declaration. * target.c (memory_xfer_partial): Update calls to dcache_xfer_memory.
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Declarations for caching. Typically used by remote back ends for
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caching remote memory.
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Copyright (C) 1992, 1993, 1995, 1999, 2000, 2001, 2007, 2008, 2009
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef DCACHE_H
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#define DCACHE_H
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typedef struct dcache_struct DCACHE;
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/* Invalidate DCACHE. */
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void dcache_invalidate (DCACHE *dcache);
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/* Initialize DCACHE. */
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DCACHE *dcache_init (void);
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/* Free a DCACHE */
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void dcache_free (DCACHE *);
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/* Simple to call from <remote>_xfer_memory */
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int dcache_xfer_memory (struct target_ops *ops, DCACHE *cache, CORE_ADDR mem,
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gdb_byte *my, int len, int should_write);
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#endif /* DCACHE_H */
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