-/* This file is part of the program psim.
+/* The common simulator framework for GDB, the GNU Debugger.
- Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
+ Copyright 2002 Free Software Foundation, Inc.
- 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.
+ Contributed by Andrew Cagney and Red Hat.
- 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.
-
- */
+ This file is part of GDB.
+ 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 _SIM_CORE_C_
-#define _SIM_CORE_C_
+ 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 SIM_CORE_C
+#define SIM_CORE_C
#include "sim-main.h"
#include "sim-assert.h"
+#if (WITH_HW)
+#include "sim-hw.h"
+#endif
+
/* "core" module install handler.
- This is called via sim_module_install to install the "core" subsystem
- into the simulator. */
+ This is called via sim_module_install to install the "core"
+ subsystem into the simulator. */
+#if EXTERN_SIM_CORE_P
static MODULE_INIT_FN sim_core_init;
static MODULE_UNINSTALL_FN sim_core_uninstall;
-
-#if (WITH_DEVICES)
-/* TODO: create sim/common/device.h */
-void device_error (device *me, char* message, ...);
-int device_io_read_buffer(device *me, void *dest, int space, address_word addr, unsigned nr_bytes, sim_cpu *processor, sim_cia cia);
-int device_io_write_buffer(device *me, const void *source, int space, address_word addr, unsigned nr_bytes, sim_cpu *processor, sim_cia cia);
#endif
-EXTERN_SIM_CORE\
-(SIM_RC)
+#if EXTERN_SIM_CORE_P
+SIM_RC
sim_core_install (SIM_DESC sd)
{
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
/* establish any initial data structures - none */
return SIM_RC_OK;
}
+#endif
/* Uninstall the "core" subsystem from the simulator. */
-STATIC_SIM_CORE\
-(void)
+#if EXTERN_SIM_CORE_P
+static void
sim_core_uninstall (SIM_DESC sd)
{
sim_core *core = STATE_CORE(sd);
- sim_core_maps map;
+ unsigned map;
/* blow away any mappings */
- for (map = 0; map < nr_sim_core_maps; map++) {
+ for (map = 0; map < nr_maps; map++) {
sim_core_mapping *curr = core->common.map[map].first;
while (curr != NULL) {
sim_core_mapping *tbd = curr;
core->common.map[map].first = NULL;
}
}
+#endif
-STATIC_SIM_CORE\
-(SIM_RC)
+#if EXTERN_SIM_CORE_P
+static SIM_RC
sim_core_init (SIM_DESC sd)
{
/* Nothing to do */
return SIM_RC_OK;
}
+#endif
#ifndef SIM_CORE_SIGNAL
#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
sim_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), (TRANSFER), (ERROR))
+#endif
-STATIC_SIM_CORE\
-(void)
+#if EXTERN_SIM_CORE_P
+void
sim_core_signal (SIM_DESC sd,
sim_cpu *cpu,
sim_cia cia,
- sim_core_maps map,
+ unsigned map,
int nr_bytes,
address_word addr,
transfer_type transfer,
#endif
-STATIC_INLINE_SIM_CORE\
-(const char *)
-sim_core_map_to_str (sim_core_maps map)
-{
- switch (map)
- {
- case sim_core_read_map: return "read";
- case sim_core_write_map: return "write";
- case sim_core_execute_map: return "exec";
- default: return "(invalid-map)";
- }
-}
-
-
-STATIC_SIM_CORE\
-(sim_core_mapping *)
+#if EXTERN_SIM_CORE_P
+static sim_core_mapping *
new_sim_core_mapping (SIM_DESC sd,
int level,
int space,
address_word addr,
address_word nr_bytes,
unsigned modulo,
+#if WITH_HW
+ struct hw *device,
+#else
device *device,
+#endif
void *buffer,
void *free_buffer)
{
new_mapping->device = device;
return new_mapping;
}
+#endif
-STATIC_SIM_CORE\
-(void)
+#if EXTERN_SIM_CORE_P
+static void
sim_core_map_attach (SIM_DESC sd,
sim_core_map *access_map,
int level,
address_word addr,
address_word nr_bytes,
unsigned modulo,
+#if WITH_HW
+ struct hw *client, /*callback/default*/
+#else
device *client, /*callback/default*/
+#endif
void *buffer, /*raw_memory*/
void *free_buffer) /*raw_memory*/
{
{
#if (WITH_DEVICES)
device_error(client, "called on sim_core_map_attach with size zero");
-#else
- sim_io_error (sd, "called on sim_core_map_attach with size zero");
#endif
+#if (WITH_HW)
+ sim_hw_abort (sd, client, "called on sim_core_map_attach with size zero");
+#endif
+ sim_io_error (sd, "called on sim_core_map_attach with size zero");
}
/* find the insertion point (between last/next) */
device_error (client, "memory map %d:0x%lx..0x%lx (%ld bytes) overlaps %d:0x%lx..0x%lx (%ld bytes)",
space,
(long) addr,
+ (long) (addr + nr_bytes - 1),
(long) nr_bytes,
+ next_mapping->space,
+ (long) next_mapping->base,
+ (long) next_mapping->bound,
+ (long) next_mapping->nr_bytes);
+#endif
+#if WITH_HW
+ sim_hw_abort (sd, client, "memory map %d:0x%lx..0x%lx (%ld bytes) overlaps %d:0x%lx..0x%lx (%ld bytes)",
+ space,
+ (long) addr,
(long) (addr + (nr_bytes - 1)),
+ (long) nr_bytes,
next_mapping->space,
(long) next_mapping->base,
(long) next_mapping->bound,
(long) next_mapping->nr_bytes);
-#else
+#endif
sim_io_error (sd, "memory map %d:0x%lx..0x%lx (%ld bytes) overlaps %d:0x%lx..0x%lx (%ld bytes)",
space,
(long) addr,
- (long) nr_bytes,
(long) (addr + (nr_bytes - 1)),
+ (long) nr_bytes,
next_mapping->space,
(long) next_mapping->base,
(long) next_mapping->bound,
(long) next_mapping->nr_bytes);
-#endif
}
/* create/insert the new mapping */
client, buffer, free_buffer);
(*last_mapping)->next = next_mapping;
}
+#endif
-EXTERN_SIM_CORE\
-(void)
+/* Attach memory or a memory mapped device to the simulator.
+ See sim-core.h for a full description. */
+
+#if EXTERN_SIM_CORE_P
+void
sim_core_attach (SIM_DESC sd,
sim_cpu *cpu,
int level,
- access_type access,
+ unsigned mapmask,
int space,
address_word addr,
address_word nr_bytes,
unsigned modulo,
+#if WITH_HW
+ struct hw *client,
+#else
device *client,
+#endif
void *optional_buffer)
{
sim_core *memory = STATE_CORE(sd);
- sim_core_maps map;
+ unsigned map;
void *buffer;
void *free_buffer;
if (cpu != NULL)
sim_io_error (sd, "sim_core_map_attach - processor specific memory map not yet supported");
- if ((access & access_read_write_exec) == 0
- || (access & ~access_read_write_exec) != 0)
- {
-#if (WITH_DEVICES)
- device_error(client, "invalid access for core attach");
-#else
- sim_io_error (sd, "invalid access for core attach");
-#endif
- }
-
/* verify modulo memory */
if (!WITH_MODULO_MEMORY && modulo != 0)
{
#if (WITH_DEVICES)
device_error (client, "sim_core_attach - internal error - modulo memory disabled");
-#else
- sim_io_error (sd, "sim_core_attach - internal error - modulo memory disabled");
#endif
+#if (WITH_HW)
+ sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo memory disabled");
+#endif
+ sim_io_error (sd, "sim_core_attach - internal error - modulo memory disabled");
}
if (client != NULL && modulo != 0)
{
#if (WITH_DEVICES)
device_error (client, "sim_core_attach - internal error - modulo and callback memory conflict");
-#else
- sim_io_error (sd, "sim_core_attach - internal error - modulo and callback memory conflict");
#endif
+#if (WITH_HW)
+ sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo and callback memory conflict");
+#endif
+ sim_io_error (sd, "sim_core_attach - internal error - modulo and callback memory conflict");
}
if (modulo != 0)
{
{
#if (WITH_DEVICES)
device_error (client, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo);
-#else
- sim_io_error (sd, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo);
#endif
+#if (WITH_HW)
+ sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo);
+#endif
+ sim_io_error (sd, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo);
}
}
{
#if (WITH_DEVICES)
device_error (client, "sim_core_attach - internal error - conflicting buffer and attach arguments");
-#else
- sim_io_error (sd, "sim_core_attach - internal error - conflicting buffer and attach arguments");
#endif
+#if (WITH_HW)
+ sim_hw_abort (sd, client, "sim_core_attach - internal error - conflicting buffer and attach arguments");
+#endif
+ sim_io_error (sd, "sim_core_attach - internal error - conflicting buffer and attach arguments");
}
if (client == NULL)
{
if (optional_buffer == NULL)
{
int padding = (addr % sizeof (unsigned64));
- free_buffer = zalloc ((modulo == 0 ? nr_bytes : modulo) + padding);
+ unsigned long bytes = (modulo == 0 ? nr_bytes : modulo) + padding;
+ free_buffer = zalloc (bytes);
buffer = (char*) free_buffer + padding;
}
else
/* attach the region to all applicable access maps */
for (map = 0;
- map < nr_sim_core_maps;
+ map < nr_maps;
map++)
{
- switch (map)
+ if (mapmask & (1 << map))
{
- case sim_core_read_map:
- if (access & access_read)
- sim_core_map_attach (sd, &memory->common.map[map],
- level, space, addr, nr_bytes, modulo,
- client, buffer, free_buffer);
+ sim_core_map_attach (sd, &memory->common.map[map],
+ level, space, addr, nr_bytes, modulo,
+ client, buffer, free_buffer);
free_buffer = NULL;
- break;
- case sim_core_write_map:
- if (access & access_write)
- sim_core_map_attach (sd, &memory->common.map[map],
- level, space, addr, nr_bytes, modulo,
- client, buffer, free_buffer);
- free_buffer = NULL;
- break;
- case sim_core_execute_map:
- if (access & access_exec)
- sim_core_map_attach (sd, &memory->common.map[map],
- level, space, addr, nr_bytes, modulo,
- client, buffer, free_buffer);
- free_buffer = NULL;
- break;
- case nr_sim_core_maps:
- sim_io_error (sd, "sim_core_attach - internal error - bad switch");
- break;
}
}
}
}
}
+#endif
/* Remove any memory reference related to this address */
-STATIC_INLINE_SIM_CORE\
-(void)
+#if EXTERN_SIM_CORE_P
+static void
sim_core_map_detach (SIM_DESC sd,
sim_core_map *access_map,
int level,
}
}
}
+#endif
-EXTERN_SIM_CORE\
-(void)
+#if EXTERN_SIM_CORE_P
+void
sim_core_detach (SIM_DESC sd,
sim_cpu *cpu,
int level,
address_word addr)
{
sim_core *memory = STATE_CORE (sd);
- sim_core_maps map;
- for (map = 0; map < nr_sim_core_maps; map++)
+ unsigned map;
+ for (map = 0; map < nr_maps; map++)
{
sim_core_map_detach (sd, &memory->common.map[map],
level, address_space, addr);
}
}
}
+#endif
STATIC_INLINE_SIM_CORE\
(sim_core_mapping *)
sim_core_find_mapping(sim_core_common *core,
- sim_core_maps map,
+ unsigned map,
address_word addr,
unsigned nr_bytes,
transfer_type transfer,
}
-EXTERN_SIM_CORE\
-(unsigned)
+#if EXTERN_SIM_CORE_P
+unsigned
sim_core_read_buffer (SIM_DESC sd,
sim_cpu *cpu,
- sim_core_maps map,
+ unsigned map,
void *buffer,
address_word addr,
unsigned len)
{
sim_core_common *core = (cpu == NULL ? &STATE_CORE (sd)->common : &CPU_CORE (cpu)->common);
unsigned count = 0;
- while (count < len) {
+ while (count < len)
+ {
unsigned_word raddr = addr + count;
sim_core_mapping *mapping =
- sim_core_find_mapping(core, map,
+ sim_core_find_mapping (core, map,
raddr, /*nr-bytes*/1,
read_transfer,
0 /*dont-abort*/, NULL, NULL_CIA);
if (mapping == NULL)
break;
#if (WITH_DEVICES)
- if (mapping->device != NULL) {
- int nr_bytes = len - count;
- if (raddr + nr_bytes - 1> mapping->bound)
- nr_bytes = mapping->bound - raddr + 1;
- if (device_io_read_buffer(mapping->device,
- (unsigned_1*)buffer + count,
- mapping->space,
- raddr,
- nr_bytes,
- cpu,
- CIA_GET(cpu)) != nr_bytes)
- break;
- count += nr_bytes;
- }
- else
+ if (mapping->device != NULL)
+ {
+ int nr_bytes = len - count;
+ sim_cia cia = cpu ? CIA_GET (cpu) : NULL_CIA;
+ if (raddr + nr_bytes - 1> mapping->bound)
+ nr_bytes = mapping->bound - raddr + 1;
+ if (device_io_read_buffer (mapping->device,
+ (unsigned_1*)buffer + count,
+ mapping->space,
+ raddr,
+ nr_bytes,
+ sd,
+ cpu,
+ cia) != nr_bytes)
+ break;
+ count += nr_bytes;
+ continue;
+ }
#endif
+#if (WITH_HW)
+ if (mapping->device != NULL)
{
- ((unsigned_1*)buffer)[count] =
- *(unsigned_1*)sim_core_translate(mapping, raddr);
- count += 1;
+ int nr_bytes = len - count;
+ if (raddr + nr_bytes - 1> mapping->bound)
+ nr_bytes = mapping->bound - raddr + 1;
+ if (sim_hw_io_read_buffer (sd, mapping->device,
+ (unsigned_1*)buffer + count,
+ mapping->space,
+ raddr,
+ nr_bytes) != nr_bytes)
+ break;
+ count += nr_bytes;
+ continue;
}
- }
+#endif
+ ((unsigned_1*)buffer)[count] =
+ *(unsigned_1*)sim_core_translate(mapping, raddr);
+ count += 1;
+ }
return count;
}
+#endif
-EXTERN_SIM_CORE\
-(unsigned)
+#if EXTERN_SIM_CORE_P
+unsigned
sim_core_write_buffer (SIM_DESC sd,
sim_cpu *cpu,
- sim_core_maps map,
+ unsigned map,
const void *buffer,
address_word addr,
unsigned len)
{
sim_core_common *core = (cpu == NULL ? &STATE_CORE (sd)->common : &CPU_CORE (cpu)->common);
unsigned count = 0;
- while (count < len) {
- unsigned_word raddr = addr + count;
- sim_core_mapping *mapping =
- sim_core_find_mapping(core, map,
- raddr, /*nr-bytes*/1,
- write_transfer,
- 0 /*dont-abort*/, NULL, NULL_CIA);
- if (mapping == NULL)
- break;
-#if (WITH_DEVICES)
- if (WITH_CALLBACK_MEMORY
- && mapping->device != NULL) {
- int nr_bytes = len - count;
- if (raddr + nr_bytes - 1 > mapping->bound)
- nr_bytes = mapping->bound - raddr + 1;
- if (device_io_write_buffer(mapping->device,
- (unsigned_1*)buffer + count,
- mapping->space,
- raddr,
- nr_bytes,
- cpu,
- CIA_GET(cpu)) != nr_bytes)
+ while (count < len)
+ {
+ unsigned_word raddr = addr + count;
+ sim_core_mapping *mapping =
+ sim_core_find_mapping (core, map,
+ raddr, /*nr-bytes*/1,
+ write_transfer,
+ 0 /*dont-abort*/, NULL, NULL_CIA);
+ if (mapping == NULL)
break;
- count += nr_bytes;
- }
- else
+#if (WITH_DEVICES)
+ if (WITH_CALLBACK_MEMORY
+ && mapping->device != NULL)
+ {
+ int nr_bytes = len - count;
+ sim_cia cia = cpu ? CIA_GET (cpu) : NULL_CIA;
+ if (raddr + nr_bytes - 1 > mapping->bound)
+ nr_bytes = mapping->bound - raddr + 1;
+ if (device_io_write_buffer (mapping->device,
+ (unsigned_1*)buffer + count,
+ mapping->space,
+ raddr,
+ nr_bytes,
+ sd,
+ cpu,
+ cia) != nr_bytes)
+ break;
+ count += nr_bytes;
+ continue;
+ }
#endif
- {
- *(unsigned_1*)sim_core_translate(mapping, raddr) =
- ((unsigned_1*)buffer)[count];
- count += 1;
- }
- }
+#if (WITH_HW)
+ if (WITH_CALLBACK_MEMORY
+ && mapping->device != NULL)
+ {
+ int nr_bytes = len - count;
+ if (raddr + nr_bytes - 1 > mapping->bound)
+ nr_bytes = mapping->bound - raddr + 1;
+ if (sim_hw_io_write_buffer (sd, mapping->device,
+ (unsigned_1*)buffer + count,
+ mapping->space,
+ raddr,
+ nr_bytes) != nr_bytes)
+ break;
+ count += nr_bytes;
+ continue;
+ }
+#endif
+ *(unsigned_1*)sim_core_translate(mapping, raddr) =
+ ((unsigned_1*)buffer)[count];
+ count += 1;
+ }
return count;
}
+#endif
-EXTERN_SIM_CORE\
-(void)
+#if EXTERN_SIM_CORE_P
+void
sim_core_set_xor (SIM_DESC sd,
sim_cpu *cpu,
int is_xor)
}
else {
if (is_xor)
- sim_engine_abort (sd, cpu, NULL_CIA,
+ sim_engine_abort (sd, NULL, NULL_CIA,
"Attempted to enable xor-endian mode when permenantly disabled.");
}
}
+#endif
-STATIC_INLINE_SIM_CORE\
-(void)
+
+#if EXTERN_SIM_CORE_P
+static void
reverse_n (unsigned_1 *dest,
const unsigned_1 *src,
int nr_bytes)
dest [nr_bytes - i - 1] = src [i];
}
}
+#endif
-EXTERN_SIM_CORE\
-(unsigned)
+#if EXTERN_SIM_CORE_P
+unsigned
sim_core_xor_read_buffer (SIM_DESC sd,
sim_cpu *cpu,
- sim_core_maps map,
+ unsigned map,
void *buffer,
address_word addr,
unsigned nr_bytes)
return nr_bytes;
}
}
+#endif
-EXTERN_SIM_CORE\
-(unsigned)
+#if EXTERN_SIM_CORE_P
+unsigned
sim_core_xor_write_buffer (SIM_DESC sd,
sim_cpu *cpu,
- sim_core_maps map,
+ unsigned map,
const void *buffer,
address_word addr,
unsigned nr_bytes)
return nr_bytes;
}
}
+#endif
+
+#if EXTERN_SIM_CORE_P
+void *
+sim_core_trans_addr (SIM_DESC sd,
+ sim_cpu *cpu,
+ unsigned map,
+ address_word addr)
+{
+ sim_core_common *core = (cpu == NULL ? &STATE_CORE (sd)->common : &CPU_CORE (cpu)->common);
+ sim_core_mapping *mapping =
+ sim_core_find_mapping (core, map,
+ addr, /*nr-bytes*/1,
+ write_transfer,
+ 0 /*dont-abort*/, NULL, NULL_CIA);
+ if (mapping == NULL)
+ return NULL;
+ return sim_core_translate(mapping, addr);
+}
+#endif
projects / deliverable / binutils-gdb.git / blobdiff