/* Declarations for caching. Typically used by remote back ends for
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/* Declarations for caching. Typically used by remote back ends for
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caching remote memory.
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caching remote memory.
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Copyright 1992, 1993 Free Software Foundation, Inc.
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Copyright 1992, 1993 Free Software Foundation, Inc.
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This file is part of GDB.
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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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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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#ifndef DCACHE_H
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#ifndef DCACHE_H
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#define DCACHE_H
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#define DCACHE_H
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typedef int (*memxferfunc) PARAMS ((CORE_ADDR memaddr,
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typedef int (*memxferfunc) PARAMS ((CORE_ADDR memaddr,
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char *myaddr,
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char *myaddr,
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int len));
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int len));
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typedef struct dcache_struct DCACHE;
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typedef struct dcache_struct DCACHE;
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/* Using the data cache DCACHE return the contents of the word at
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/* Using the data cache DCACHE return the contents of the word at
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address ADDR in the remote machine. */
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address ADDR in the remote machine. */
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int dcache_fetch PARAMS ((DCACHE * dcache, CORE_ADDR addr));
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int dcache_fetch PARAMS ((DCACHE * dcache, CORE_ADDR addr));
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/* Flush DCACHE. */
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/* Flush DCACHE. */
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void dcache_flush PARAMS ((DCACHE * dcache));
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void dcache_flush PARAMS ((DCACHE * dcache));
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/* Initialize DCACHE. */
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/* Initialize DCACHE. */
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DCACHE *dcache_init PARAMS ((memxferfunc reading, memxferfunc writing));
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DCACHE *dcache_init PARAMS ((memxferfunc reading, memxferfunc writing));
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/* Write the word at ADDR both in the data cache and in the remote machine. */
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/* Write the word at ADDR both in the data cache and in the remote machine. */
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int dcache_poke PARAMS ((DCACHE * dcache, CORE_ADDR addr, int data));
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int dcache_poke PARAMS ((DCACHE * dcache, CORE_ADDR addr, int data));
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/* Simple to call from <remote>_xfer_memory */
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/* Simple to call from <remote>_xfer_memory */
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int dcache_xfer_memory PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len, int should_write));
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int dcache_xfer_memory PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len, int should_write));
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/* Write the bytes at ADDR into the data cache and the remote machine. */
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/* Write the bytes at ADDR into the data cache and the remote machine. */
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int dcache_poke_block PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len));
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int dcache_poke_block PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len));
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/* Turn dcache state on or off */
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/* Turn dcache state on or off */
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void set_dcache_state (int);
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void set_dcache_state (int);
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#endif /* DCACHE_H */
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#endif /* DCACHE_H */
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