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binutils-gdb/sim/common/sim-core.c
Mike Frysinger e4c803f5bb sim: common: migrate to standard uintXX_t types 
Drop the sim-specific unsignedXX types and move to the standard uintXX_t
types that C11 provides.
2022-01-06 01:17:39 -05:00

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/* The common simulator framework for GDB, the GNU Debugger.
Copyright 2002-2022 Free Software Foundation, Inc.
Contributed by Andrew Cagney and Red Hat.
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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef SIM_CORE_C
#define SIM_CORE_C
/* This must come before any other includes. */
#include "defs.h"
#include <stdlib.h>
#include "libiberty.h"
#include "sim-main.h"
#include "sim-assert.h"
#include "sim-signal.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. */
#if EXTERN_SIM_CORE_P
static MODULE_INIT_FN sim_core_init;
static MODULE_UNINSTALL_FN sim_core_uninstall;
#endif
#if EXTERN_SIM_CORE_P
SIM_RC
sim_core_install (SIM_DESC sd)
{
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
/* establish the other handlers */
sim_module_add_uninstall_fn (sd, sim_core_uninstall);
sim_module_add_init_fn (sd, sim_core_init);
/* establish any initial data structures - none */
return SIM_RC_OK;
}
#endif
/* Uninstall the "core" subsystem from the simulator. */
#if EXTERN_SIM_CORE_P
static void
sim_core_uninstall (SIM_DESC sd)
{
sim_core *core = STATE_CORE (sd);
unsigned map;
/* blow away any mappings */
for (map = 0; map < nr_maps; map++) {
sim_core_mapping *curr = core->common.map[map].first;
while (curr != NULL) {
sim_core_mapping *tbd = curr;
curr = curr->next;
if (tbd->free_buffer != NULL) {
SIM_ASSERT (tbd->buffer != NULL);
free (tbd->free_buffer);
}
free (tbd);
}
core->common.map[map].first = NULL;
}
}
#endif
#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
#if EXTERN_SIM_CORE_P
void
sim_core_signal (SIM_DESC sd,
sim_cpu *cpu,
sim_cia cia,
unsigned map,
int nr_bytes,
address_word addr,
transfer_type transfer,
sim_core_signals sig)
{
const char *copy = (transfer == read_transfer ? "read" : "write");
address_word ip = CIA_ADDR (cia);
switch (sig)
{
case sim_core_unmapped_signal:
sim_io_eprintf (sd, "core: %d byte %s to unmapped address 0x%lx at 0x%lx\n",
nr_bytes, copy, (unsigned long) addr, (unsigned long) ip);
sim_engine_halt (sd, cpu, NULL, cia, sim_stopped, SIM_SIGSEGV);
break;
case sim_core_unaligned_signal:
sim_io_eprintf (sd, "core: %d byte misaligned %s to address 0x%lx at 0x%lx\n",
nr_bytes, copy, (unsigned long) addr, (unsigned long) ip);
sim_engine_halt (sd, cpu, NULL, cia, sim_stopped, SIM_SIGBUS);
break;
default:
sim_engine_abort (sd, cpu, cia,
"sim_core_signal - internal error - bad switch");
}
}
#endif
#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,
struct hw *device,
void *buffer,
void *free_buffer)
{
sim_core_mapping *new_mapping = ZALLOC (sim_core_mapping);
/* common */
new_mapping->level = level;
new_mapping->space = space;
new_mapping->base = addr;
new_mapping->nr_bytes = nr_bytes;
new_mapping->bound = addr + (nr_bytes - 1);
new_mapping->mask = modulo - 1;
new_mapping->buffer = buffer;
new_mapping->free_buffer = free_buffer;
new_mapping->device = device;
return new_mapping;
}
#endif
#if EXTERN_SIM_CORE_P
static void
sim_core_map_attach (SIM_DESC sd,
sim_core_map *access_map,
int level,
int space,
address_word addr,
address_word nr_bytes,
unsigned modulo,
struct hw *client, /*callback/default*/
void *buffer, /*raw_memory*/
void *free_buffer) /*raw_memory*/
{
/* find the insertion point for this additional mapping and then
insert */
sim_core_mapping *next_mapping;
sim_core_mapping **last_mapping;
SIM_ASSERT ((client == NULL) != (buffer == NULL));
SIM_ASSERT ((client == NULL) >= (free_buffer != NULL));
/* actually do occasionally get a zero size map */
if (nr_bytes == 0)
{
#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) */
next_mapping = access_map->first;
last_mapping = &access_map->first;
while (next_mapping != NULL
&& (next_mapping->level < level
|| (next_mapping->level == level
&& next_mapping->bound < addr)))
{
/* provided levels are the same */
/* assert: next_mapping->base > all bases before next_mapping */
/* assert: next_mapping->bound >= all bounds before next_mapping */
last_mapping = &next_mapping->next;
next_mapping = next_mapping->next;
}
/* check insertion point correct */
SIM_ASSERT (next_mapping == NULL || next_mapping->level >= level);
if (next_mapping != NULL && next_mapping->level == level
&& next_mapping->base < (addr + (nr_bytes - 1)))
{
#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);
#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) (addr + (nr_bytes - 1)),
(long) nr_bytes,
next_mapping->space,
(long) next_mapping->base,
(long) next_mapping->bound,
(long) next_mapping->nr_bytes);
}
/* create/insert the new mapping */
*last_mapping = new_sim_core_mapping (sd,
level,
space, addr, nr_bytes, modulo,
client, buffer, free_buffer);
(*last_mapping)->next = next_mapping;
}
#endif
/* 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,
unsigned mapmask,
int space,
address_word addr,
address_word nr_bytes,
unsigned modulo,
struct hw *client,
void *optional_buffer)
{
sim_core *memory = STATE_CORE (sd);
unsigned map;
void *buffer;
void *free_buffer;
/* check for for attempt to use unimplemented per-processor core map */
if (cpu != NULL)
sim_io_error (sd, "sim_core_map_attach - processor specific memory map not yet supported");
if (client != NULL && modulo != 0)
{
#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)
{
unsigned mask = modulo - 1;
/* any zero bits */
while (mask >= sizeof (uint64_t)) /* minimum modulo */
{
if ((mask & 1) == 0)
mask = 0;
else
mask >>= 1;
}
if (mask != sizeof (uint64_t) - 1)
{
#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);
}
}
/* verify consistency between device and buffer */
if (client != NULL && optional_buffer != NULL)
{
#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 (uint64_t));
unsigned long bytes = (modulo == 0 ? nr_bytes : modulo) + padding;
free_buffer = zalloc (bytes);
buffer = (char*) free_buffer + padding;
}
else
{
buffer = optional_buffer;
free_buffer = NULL;
}
}
else
{
/* a device */
buffer = NULL;
free_buffer = NULL;
}
/* attach the region to all applicable access maps */
for (map = 0;
map < nr_maps;
map++)
{
if (mapmask & (1 << map))
{
sim_core_map_attach (sd, &memory->common.map[map],
level, space, addr, nr_bytes, modulo,
client, buffer, free_buffer);
free_buffer = NULL;
}
}
/* Just copy this map to each of the processor specific data structures.
FIXME - later this will be replaced by true processor specific
maps. */
{
int i;
for (i = 0; i < MAX_NR_PROCESSORS; i++)
{
CPU_CORE (STATE_CPU (sd, i))->common = STATE_CORE (sd)->common;
}
}
}
#endif
/* Remove any memory reference related to this address */
#if EXTERN_SIM_CORE_P
static void
sim_core_map_detach (SIM_DESC sd,
sim_core_map *access_map,
int level,
int space,
address_word addr)
{
sim_core_mapping **entry;
for (entry = &access_map->first;
(*entry) != NULL;
entry = &(*entry)->next)
{
if ((*entry)->base == addr
&& (*entry)->level == level
&& (*entry)->space == space)
{
sim_core_mapping *dead = (*entry);
(*entry) = dead->next;
if (dead->free_buffer != NULL)
free (dead->free_buffer);
free (dead);
return;
}
}
}
#endif
#if EXTERN_SIM_CORE_P
void
sim_core_detach (SIM_DESC sd,
sim_cpu *cpu,
int level,
int address_space,
address_word addr)
{
sim_core *memory = STATE_CORE (sd);
unsigned map;
for (map = 0; map < nr_maps; map++)
{
sim_core_map_detach (sd, &memory->common.map[map],
level, address_space, addr);
}
/* Just copy this update to each of the processor specific data
structures. FIXME - later this will be replaced by true
processor specific maps. */
{
int i;
for (i = 0; i < MAX_NR_PROCESSORS; i++)
{
CPU_CORE (STATE_CPU (sd, i))->common = STATE_CORE (sd)->common;
}
}
}
#endif
STATIC_INLINE_SIM_CORE\
(sim_core_mapping *)
sim_core_find_mapping (sim_core_common *core,
unsigned map,
address_word addr,
unsigned nr_bytes,
transfer_type transfer,
int abort, /*either 0 or 1 - hint to inline/-O */
sim_cpu *cpu, /* abort => cpu != NULL */
sim_cia cia)
{
sim_core_mapping *mapping = core->map[map].first;
ASSERT ((addr & (nr_bytes - 1)) == 0); /* must be aligned */
ASSERT ((addr + (nr_bytes - 1)) >= addr); /* must not wrap */
ASSERT (!abort || cpu != NULL); /* abort needs a non null CPU */
while (mapping != NULL)
{
if (addr >= mapping->base
&& (addr + (nr_bytes - 1)) <= mapping->bound)
return mapping;
mapping = mapping->next;
}
if (abort)
{
SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map, nr_bytes, addr, transfer,
sim_core_unmapped_signal);
}
return NULL;
}
STATIC_INLINE_SIM_CORE\
(void *)
sim_core_translate (sim_core_mapping *mapping,
address_word addr)
{
return (void *)((uint8_t *) mapping->buffer
+ ((addr - mapping->base) & mapping->mask));
}
#if EXTERN_SIM_CORE_P
/* See include/sim/sim.h. */
char *
sim_memory_map (SIM_DESC sd)
{
sim_core *core = STATE_CORE (sd);
unsigned map;
char *s1, *s2, *entry;
s1 = xstrdup (
"<?xml version='1.0'?>\n"
"<!DOCTYPE memory-map PUBLIC '+//IDN gnu.org//DTD GDB Memory Map V1.0//EN'"
" 'http://sourceware.org/gdb/gdb-memory-map.dtd'>\n"
"<memory-map>\n");
for (map = 0; map < nr_maps; ++map)
{
sim_core_mapping *mapping;
for (mapping = core->common.map[map].first;
mapping != NULL;
mapping = mapping->next)
{
/* GDB can only handle a single address space. */
if (mapping->level != 0)
continue;
entry = xasprintf ("<memory type='ram' start='%#" PRIxTW "' "
"length='%#" PRIxTW "'/>\n",
mapping->base, mapping->nr_bytes);
/* The sim memory map is organized by access, not by addresses.
So a RWX memory map will have three independent mappings.
GDB's format cannot support overlapping regions, so we have
to filter those out.
Further, GDB can only handle RX ("rom") or RWX ("ram") mappings.
We just emit "ram" everywhere to keep it simple. If GDB ever
gains support for more stuff, we can expand this.
Using strstr is kind of hacky, but as long as the map is not huge
(we're talking <10K), should be fine. */
if (strstr (s1, entry) == NULL)
{
s2 = concat (s1, entry, NULL);
free (s1);
s1 = s2;
}
free (entry);
}
}
s2 = concat (s1, "</memory-map>", NULL);
free (s1);
return s2;
}
#endif
#if EXTERN_SIM_CORE_P
unsigned
sim_core_read_buffer (SIM_DESC sd,
sim_cpu *cpu,
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)
{
address_word raddr = addr + count;
sim_core_mapping *mapping =
sim_core_find_mapping (core, map,
raddr, /*nr-bytes*/1,
read_transfer,
0 /*dont-abort*/, NULL, NULL_CIA);
if (mapping == NULL)
break;
#if (WITH_HW)
if (mapping->device != NULL)
{
int nr_bytes = len - count;
if (raddr + nr_bytes - 1> mapping->bound)
nr_bytes = mapping->bound - raddr + 1;
/* If the access was initiated by a cpu, pass it down so errors can
be propagated properly. For other sources (e.g. GDB or DMA), we
can only signal errors via the return value. */
if (cpu)
{
sim_cia cia = cpu ? CPU_PC_GET (cpu) : NULL_CIA;
sim_cpu_hw_io_read_buffer (cpu, cia, mapping->device,
(unsigned_1*)buffer + count,
mapping->space,
raddr,
nr_bytes);
}
else 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
#if EXTERN_SIM_CORE_P
unsigned
sim_core_write_buffer (SIM_DESC sd,
sim_cpu *cpu,
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)
{
address_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_HW)
if (mapping->device != NULL)
{
int nr_bytes = len - count;
if (raddr + nr_bytes - 1 > mapping->bound)
nr_bytes = mapping->bound - raddr + 1;
/* If the access was initiated by a cpu, pass it down so errors can
be propagated properly. For other sources (e.g. GDB or DMA), we
can only signal errors via the return value. */
if (cpu)
{
sim_cia cia = cpu ? CPU_PC_GET (cpu) : NULL_CIA;
sim_cpu_hw_io_write_buffer (cpu, cia, mapping->device,
(unsigned_1*)buffer + count,
mapping->space,
raddr,
nr_bytes);
}
else 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
#if EXTERN_SIM_CORE_P
void
sim_core_set_xor (SIM_DESC sd,
sim_cpu *cpu,
int is_xor)
{
/* set up the XOR map if required. */
if (WITH_XOR_ENDIAN) {
{
sim_core *core = STATE_CORE (sd);
sim_cpu_core *cpu_core = (cpu != NULL ? CPU_CORE (cpu) : NULL);
if (cpu_core != NULL)
{
int i = 1;
unsigned mask;
if (is_xor)
mask = WITH_XOR_ENDIAN - 1;
else
mask = 0;
while (i - 1 < WITH_XOR_ENDIAN)
{
cpu_core->byte_xor[i-1] = mask;
mask = (mask << 1) & (WITH_XOR_ENDIAN - 1);
i = (i << 1);
}
}
else
{
if (is_xor)
core->byte_xor = WITH_XOR_ENDIAN - 1;
else
core->byte_xor = 0;
}
}
}
else {
if (is_xor)
sim_engine_abort (sd, NULL, NULL_CIA,
"Attempted to enable xor-endian mode when permenantly disabled.");
}
}
#endif
#if EXTERN_SIM_CORE_P
static void
reverse_n (unsigned_1 *dest,
const unsigned_1 *src,
int nr_bytes)
{
int i;
for (i = 0; i < nr_bytes; i++)
{
dest [nr_bytes - i - 1] = src [i];
}
}
#endif
#if EXTERN_SIM_CORE_P
unsigned
sim_core_xor_read_buffer (SIM_DESC sd,
sim_cpu *cpu,
unsigned map,
void *buffer,
address_word addr,
unsigned nr_bytes)
{
address_word byte_xor
= (cpu == NULL ? STATE_CORE (sd)->byte_xor : CPU_CORE (cpu)->byte_xor[0]);
if (!WITH_XOR_ENDIAN || !byte_xor)
return sim_core_read_buffer (sd, cpu, map, buffer, addr, nr_bytes);
else
/* only break up transfers when xor-endian is both selected and enabled */
{
unsigned_1 x[WITH_XOR_ENDIAN + 1]; /* +1 to avoid zero-sized array */
unsigned nr_transfered = 0;
address_word start = addr;
unsigned nr_this_transfer = (WITH_XOR_ENDIAN - (addr & ~(WITH_XOR_ENDIAN - 1)));
address_word stop;
/* initial and intermediate transfers are broken when they cross
an XOR endian boundary */
while (nr_transfered + nr_this_transfer < nr_bytes)
/* initial/intermediate transfers */
{
/* since xor-endian is enabled stop^xor defines the start
address of the transfer */
stop = start + nr_this_transfer - 1;
SIM_ASSERT (start <= stop);
SIM_ASSERT ((stop ^ byte_xor) <= (start ^ byte_xor));
if (sim_core_read_buffer (sd, cpu, map, x, stop ^ byte_xor, nr_this_transfer)
!= nr_this_transfer)
return nr_transfered;
reverse_n (&((unsigned_1*)buffer)[nr_transfered], x, nr_this_transfer);
nr_transfered += nr_this_transfer;
nr_this_transfer = WITH_XOR_ENDIAN;
start = stop + 1;
}
/* final transfer */
nr_this_transfer = nr_bytes - nr_transfered;
stop = start + nr_this_transfer - 1;
SIM_ASSERT (stop == (addr + nr_bytes - 1));
if (sim_core_read_buffer (sd, cpu, map, x, stop ^ byte_xor, nr_this_transfer)
!= nr_this_transfer)
return nr_transfered;
reverse_n (&((unsigned_1*)buffer)[nr_transfered], x, nr_this_transfer);
return nr_bytes;
}
}
#endif
#if EXTERN_SIM_CORE_P
unsigned
sim_core_xor_write_buffer (SIM_DESC sd,
sim_cpu *cpu,
unsigned map,
const void *buffer,
address_word addr,
unsigned nr_bytes)
{
address_word byte_xor
= (cpu == NULL ? STATE_CORE (sd)->byte_xor : CPU_CORE (cpu)->byte_xor[0]);
if (!WITH_XOR_ENDIAN || !byte_xor)
return sim_core_write_buffer (sd, cpu, map, buffer, addr, nr_bytes);
else
/* only break up transfers when xor-endian is both selected and enabled */
{
unsigned_1 x[WITH_XOR_ENDIAN + 1]; /* +1 to avoid zero sized array */
unsigned nr_transfered = 0;
address_word start = addr;
unsigned nr_this_transfer = (WITH_XOR_ENDIAN - (addr & ~(WITH_XOR_ENDIAN - 1)));
address_word stop;
/* initial and intermediate transfers are broken when they cross
an XOR endian boundary */
while (nr_transfered + nr_this_transfer < nr_bytes)
/* initial/intermediate transfers */
{
/* since xor-endian is enabled stop^xor defines the start
address of the transfer */
stop = start + nr_this_transfer - 1;
SIM_ASSERT (start <= stop);
SIM_ASSERT ((stop ^ byte_xor) <= (start ^ byte_xor));
reverse_n (x, &((unsigned_1*)buffer)[nr_transfered], nr_this_transfer);
if (sim_core_read_buffer (sd, cpu, map, x, stop ^ byte_xor, nr_this_transfer)
!= nr_this_transfer)
return nr_transfered;
nr_transfered += nr_this_transfer;
nr_this_transfer = WITH_XOR_ENDIAN;
start = stop + 1;
}
/* final transfer */
nr_this_transfer = nr_bytes - nr_transfered;
stop = start + nr_this_transfer - 1;
SIM_ASSERT (stop == (addr + nr_bytes - 1));
reverse_n (x, &((unsigned_1*)buffer)[nr_transfered], nr_this_transfer);
if (sim_core_read_buffer (sd, cpu, map, x, stop ^ byte_xor, nr_this_transfer)
!= nr_this_transfer)
return nr_transfered;
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
/* define the read/write 1/2/4/8/16/word functions */
#define N 16
#include "sim-n-core.h"
#define N 8
#include "sim-n-core.h"
#define N 7
#define M 8
#include "sim-n-core.h"
#define N 6
#define M 8
#include "sim-n-core.h"
#define N 5
#define M 8
#include "sim-n-core.h"
#define N 4
#include "sim-n-core.h"
#define N 3
#define M 4
#include "sim-n-core.h"
#define N 2
#include "sim-n-core.h"
#define N 1
#include "sim-n-core.h"
#endif
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