mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
152 lines
3.7 KiB
C
152 lines
3.7 KiB
C
/* This file is part of the program psim.
|
|
|
|
Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
|
|
|
|
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.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
|
|
|
|
#ifndef _CORE_H_
|
|
#define _CORE_H_
|
|
|
|
/* basic types */
|
|
|
|
typedef struct _core core;
|
|
typedef struct _core_map core_map;
|
|
|
|
/* constructor */
|
|
|
|
core INLINE_CORE *core_create
|
|
(void);
|
|
|
|
device INLINE_CORE *core_device_create
|
|
(core *);
|
|
|
|
|
|
|
|
/* the core has three sub mappings that the more efficient
|
|
read/write fixed quantity functions use */
|
|
|
|
core_map INLINE_CORE *core_readable
|
|
(core *memory);
|
|
|
|
core_map INLINE_CORE *core_writeable
|
|
(core *memory);
|
|
|
|
core_map INLINE_CORE *core_executable
|
|
(core *memory);
|
|
|
|
|
|
|
|
/* operators to add/remove a mapping in the core
|
|
|
|
callback-memory:
|
|
|
|
All access are passed onto the specified devices callback routines
|
|
after being `translated'. DEFAULT indicates that the specified
|
|
memory should be called if all other mappings fail.
|
|
|
|
For callback-memory, the device must be specified.
|
|
|
|
raw-memory:
|
|
|
|
While RAM could be implemented using the callback interface
|
|
core instead treats it as the common case including the code
|
|
directly in the read/write operators.
|
|
|
|
For raw-memory, the device is ignored and the core alloc's a
|
|
block to act as the memory.
|
|
|
|
default-memory:
|
|
|
|
Should, for the core, there be no defined mapping for a given
|
|
address then the default map (if present) is called.
|
|
|
|
For default-memory, the device must be specified. */
|
|
|
|
void INLINE_CORE core_attach
|
|
(core *map,
|
|
attach_type attach,
|
|
int address_space,
|
|
access_type access,
|
|
unsigned_word addr,
|
|
unsigned nr_bytes, /* host limited */
|
|
device *device); /*callback/default*/
|
|
|
|
void INLINE_CORE core_detach
|
|
(core *map,
|
|
attach_type attach,
|
|
int address_space,
|
|
unsigned_word addr,
|
|
unsigned nr_bytes, /* host limited */
|
|
access_type access,
|
|
device *device); /*callback/default*/
|
|
|
|
|
|
/* Variable sized read/write:
|
|
|
|
Transfer (zero) a variable size block of data between the host and
|
|
target (possibly byte swapping it). Should any problems occure,
|
|
the number of bytes actually transfered is returned. */
|
|
|
|
unsigned INLINE_CORE core_map_read_buffer
|
|
(core_map *map,
|
|
void *buffer,
|
|
unsigned_word addr,
|
|
unsigned nr_bytes);
|
|
|
|
unsigned INLINE_CORE core_map_write_buffer
|
|
(core_map *map,
|
|
const void *buffer,
|
|
unsigned_word addr,
|
|
unsigned nr_bytes);
|
|
|
|
|
|
/* Fixed sized read/write:
|
|
|
|
Transfer a fixed amout of memory between the host and target. The
|
|
memory always being translated and the operation always aborting
|
|
should a problem occure */
|
|
|
|
#define DECLARE_CORE_WRITE_N(N) \
|
|
void INLINE_CORE core_map_write_##N \
|
|
(core_map *map, \
|
|
unsigned_word addr, \
|
|
unsigned_##N val, \
|
|
cpu *processor, \
|
|
unsigned_word cia);
|
|
|
|
DECLARE_CORE_WRITE_N(1)
|
|
DECLARE_CORE_WRITE_N(2)
|
|
DECLARE_CORE_WRITE_N(4)
|
|
DECLARE_CORE_WRITE_N(8)
|
|
DECLARE_CORE_WRITE_N(word)
|
|
|
|
#define DECLARE_CORE_READ_N(N) \
|
|
unsigned_##N INLINE_CORE core_map_read_##N \
|
|
(core_map *map, \
|
|
unsigned_word addr, \
|
|
cpu *processor, \
|
|
unsigned_word cia);
|
|
|
|
DECLARE_CORE_READ_N(1)
|
|
DECLARE_CORE_READ_N(2)
|
|
DECLARE_CORE_READ_N(4)
|
|
DECLARE_CORE_READ_N(8)
|
|
DECLARE_CORE_READ_N(word)
|
|
|
|
#endif
|