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/* This file is part of the program psim.
Copyright (C) 1994-1997, 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 N
#error "N must be #defined"
#endif
#include "sim-xcat.h"
/* NOTE: see end of file for #undef of these macros */
#define unsigned_N XCONCAT2(unsigned_,N)
#define T2H_N XCONCAT2(T2H_,N)
#define H2T_N XCONCAT2(H2T_,N)
#define sim_core_read_aligned_N XCONCAT2(sim_core_read_aligned_,N)
#define sim_core_write_aligned_N XCONCAT2(sim_core_write_aligned_,N)
#define sim_core_read_unaligned_N XCONCAT2(sim_core_read_unaligned_,N)
#define sim_core_write_unaligned_N XCONCAT2(sim_core_write_unaligned_,N)
#define sim_core_trace_N XCONCAT2(sim_core_trace_,N)
/* TAGS: sim_core_trace_1 sim_core_trace_2 */
/* TAGS: sim_core_trace_4 sim_core_trace_8 */
/* TAGS: sim_core_trace_16 sim_core_trace_word */
STATIC_SIM_CORE(void)
sim_core_trace_N (sim_cpu *cpu,
sim_cia cia,
char *transfer,
sim_core_maps map,
address_word addr,
unsigned_N val)
{
#if (N == 16)
trace_printf (CPU_STATE (cpu), cpu,
"sim-n-core.h:%d: %s-%d %s:0x%08lx -> 0x%08lx%08lx%08lx%08lx\n",
__LINE__,
transfer, sizeof (unsigned_N),
sim_core_map_to_str (map),
(unsigned long) addr,
(unsigned long) V4_16 (val, 0),
(unsigned long) V4_16 (val, 1),
(unsigned long) V4_16 (val, 2),
(unsigned long) V4_16 (val, 3));
#endif
#if (N == 8)
trace_printf (CPU_STATE (cpu), cpu,
"sim-n-core.h:%d: %s-%d %s:0x%08lx -> 0x%08lx%08lx\n",
__LINE__,
transfer, sizeof (unsigned_N),
sim_core_map_to_str (map),
(unsigned long) addr,
(unsigned long) V4_8 (val, 0),
(unsigned long) V4_8 (val, 1));
#endif
#if (N == 4)
trace_printf (CPU_STATE (cpu), cpu,
"sim-n-core.h:%d: %s-%d %s:0x%08lx -> 0x%0*lx\n",
__LINE__,
transfer, sizeof (unsigned_N),
sim_core_map_to_str (map),
(unsigned long) addr,
sizeof (unsigned_N) * 2,
(unsigned long) val);
#endif
}
/* TAGS: sim_core_read_aligned_1 sim_core_read_aligned_2 */
/* TAGS: sim_core_read_aligned_4 sim_core_read_aligned_8 */
/* TAGS: sim_core_read_aligned_16 sim_core_read_aligned_word */
INLINE_SIM_CORE(unsigned_N)
sim_core_read_aligned_N(sim_cpu *cpu,
sim_cia cia,
sim_core_maps map,
address_word xaddr)
{
sim_cpu_core *cpu_core = CPU_CORE (cpu);
sim_core_common *core = &cpu_core->common;
unsigned_N val;
sim_core_mapping *mapping;
address_word addr;
#if WITH_XOR_ENDIAN != 0
if (WITH_XOR_ENDIAN)
addr = xaddr ^ cpu_core->xor[(sizeof(unsigned_N) - 1) % WITH_XOR_ENDIAN];
else
#endif
addr = xaddr;
mapping = sim_core_find_mapping (core, map,
addr,
sizeof (unsigned_N),
read_transfer,
1 /*abort*/, cpu, cia);
#if (WITH_DEVICES)
if (WITH_CALLBACK_MEMORY && mapping->device != NULL) {
unsigned_N data;
if (device_io_read_buffer (mapping->device,
&data,
mapping->space,
addr,
sizeof (unsigned_N)) != sizeof (unsigned_N))
device_error (mapping->device, "internal error - %s - io_read_buffer should not fail",
XSTRING (sim_core_read_aligned_N));
val = T2H_N (data);
}
else
#endif
val = T2H_N (*(unsigned_N*) sim_core_translate (mapping, addr));
PROFILE_COUNT_CORE (cpu, addr, sizeof (unsigned_N), map);
if (TRACE_P (cpu, TRACE_CORE_IDX))
sim_core_trace_N (cpu, __LINE__, "read", map, addr, val);
return val;
}
/* TAGS: sim_core_read_unaligned_1 sim_core_read_unaligned_2 */
/* TAGS: sim_core_read_unaligned_4 sim_core_read_unaligned_8 */
/* TAGS: sim_core_read_unaligned_16 sim_core_read_unaligned_word */
INLINE_SIM_CORE(unsigned_N)
sim_core_read_unaligned_N(sim_cpu *cpu,
sim_cia cia,
sim_core_maps map,
address_word addr)
{
int alignment = sizeof (unsigned_N) - 1;
/* if hardwired to forced alignment just do it */
if (WITH_ALIGNMENT == FORCED_ALIGNMENT)
return sim_core_read_aligned_N (cpu, cia, map, addr & ~alignment);
else if ((addr & alignment) == 0)
return sim_core_read_aligned_N (cpu, cia, map, addr);
else
switch (CURRENT_ALIGNMENT)
{
case STRICT_ALIGNMENT:
SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map,
sizeof (unsigned_N), addr,
read_transfer, sim_core_unaligned_signal);
case NONSTRICT_ALIGNMENT:
{
unsigned_N val;
if (sim_core_xor_read_buffer (CPU_STATE (cpu), cpu, map, &val, addr,
sizeof(unsigned_N))
!= sizeof(unsigned_N))
SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map,
sizeof (unsigned_N), addr,
read_transfer, sim_core_unaligned_signal);
val = T2H_N(val);
PROFILE_COUNT_CORE (cpu, addr, sizeof (unsigned_N), map);
return val;
}
case FORCED_ALIGNMENT:
return sim_core_read_aligned_N (cpu, cia, map, addr & ~alignment);
case MIXED_ALIGNMENT:
sim_engine_abort (CPU_STATE (cpu), cpu, cia,
"internal error - %s - mixed alignment",
XSTRING (sim_core_read_unaligned_N));
default:
sim_engine_abort (CPU_STATE (cpu), cpu, cia,
"internal error - %s - bad switch",
XSTRING (sim_core_read_unaligned_N));
}
}
/* TAGS: sim_core_write_aligned_1 sim_core_write_aligned_2 */
/* TAGS: sim_core_write_aligned_4 sim_core_write_aligned_8 */
/* TAGS: sim_core_write_aligned_16 sim_core_write_aligned_word */
INLINE_SIM_CORE(void)
sim_core_write_aligned_N(sim_cpu *cpu,
sim_cia cia,
sim_core_maps map,
address_word xaddr,
unsigned_N val)
{
sim_cpu_core *cpu_core = CPU_CORE (cpu);
sim_core_common *core = &cpu_core->common;
sim_core_mapping *mapping;
address_word addr;
#if WITH_XOR_ENDIAN != 0
if (WITH_XOR_ENDIAN)
addr = xaddr ^ cpu_core->xor[(sizeof(unsigned_N) - 1) % WITH_XOR_ENDIAN];
else
#endif
addr = xaddr;
mapping = sim_core_find_mapping(core, map,
addr,
sizeof (unsigned_N),
write_transfer,
1 /*abort*/, cpu, cia);
#if (WITH_DEVICES)
if (WITH_CALLBACK_MEMORY && mapping->device != NULL) {
unsigned_N data = H2T_N (val);
if (device_io_write_buffer (mapping->device,
&data,
mapping->space,
addr,
sizeof (unsigned_N), /* nr_bytes */
cpu,
cia) != sizeof (unsigned_N))
device_error (mapping->device, "internal error - %s - io_write_buffer should not fail",
XSTRING (sim_core_write_aligned_N));
}
else
#endif
*(unsigned_N*) sim_core_translate (mapping, addr) = H2T_N (val);
PROFILE_COUNT_CORE (cpu, addr, sizeof (unsigned_N), map);
if (TRACE_P (cpu, TRACE_CORE_IDX))
sim_core_trace_N (cpu, __LINE__, "write", map, addr, val);
}
/* TAGS: sim_core_write_unaligned_1 sim_core_write_unaligned_2 */
/* TAGS: sim_core_write_unaligned_4 sim_core_write_unaligned_8 */
/* TAGS: sim_core_write_unaligned_16 sim_core_write_unaligned_word */
INLINE_SIM_CORE(void)
sim_core_write_unaligned_N(sim_cpu *cpu,
sim_cia cia,
sim_core_maps map,
address_word addr,
unsigned_N val)
{
int alignment = sizeof (unsigned_N) - 1;
/* if hardwired to forced alignment just do it */
if (WITH_ALIGNMENT == FORCED_ALIGNMENT)
sim_core_write_aligned_N (cpu, cia, map, addr & ~alignment, val);
else if ((addr & alignment) == 0)
sim_core_write_aligned_N (cpu, cia, map, addr, val);
else
switch (CURRENT_ALIGNMENT)
{
case STRICT_ALIGNMENT:
SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map,
sizeof (unsigned_N), addr,
write_transfer, sim_core_unaligned_signal);
break;
case NONSTRICT_ALIGNMENT:
{
unsigned_N val = H2T_N (val);
if (sim_core_xor_write_buffer (CPU_STATE (cpu), cpu, map, &val, addr,
sizeof(unsigned_N))
!= sizeof(unsigned_N))
SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map,
sizeof (unsigned_N), addr,
write_transfer, sim_core_unaligned_signal);
PROFILE_COUNT_CORE (cpu, addr, sizeof (unsigned_N), map);
break;
}
case FORCED_ALIGNMENT:
sim_core_write_aligned_N (cpu, cia, map, addr & ~alignment, val);
break;
case MIXED_ALIGNMENT:
sim_engine_abort (CPU_STATE (cpu), cpu, cia,
"internal error - %s - mixed alignment",
XSTRING (sim_core_write_unaligned_N));
break;
default:
sim_engine_abort (CPU_STATE (cpu), cpu, cia,
"internal error - %s - bad switch",
XSTRING (sim_core_write_unaligned_N));
break;
}
}
/* NOTE: see start of file for #define of these macros */
#undef unsigned_N
#undef T2H_N
#undef H2T_N
#undef sim_core_read_aligned_N
#undef sim_core_write_aligned_N
#undef sim_core_read_unaligned_N
#undef sim_core_write_unaligned_N
#undef sim_core_trace_N
|
