/* Main simulator entry points specific to the M32R.
- Copyright (C) 1996, 1997, 1998, 1999, 2003, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1996-2022 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB, the GNU debugger.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
+/* This must come before any other includes. */
+#include "defs.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "sim/callback.h"
#include "sim-main.h"
#include "sim-options.h"
#include "libiberty.h"
#include "bfd.h"
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
+#include "dv-m32r_uart.h"
+
+#define M32R_DEFAULT_MEM_SIZE 0x2000000 /* 32M */
static void free_state (SIM_DESC);
static void print_m32r_misc_cpu (SIM_CPU *cpu, int verbose);
-
-/* Records simulator descriptor so utilities like m32r_dump_regs can be
- called from gdb. */
-SIM_DESC current_state;
\f
/* Cover function of sim_state_free to free the cpu buffers as well. */
sim_state_free (sd);
}
+extern const SIM_MACH * const m32r_sim_machs[];
+
/* Create an instance of the simulator. */
SIM_DESC
-sim_open (kind, callback, abfd, argv)
- SIM_OPEN_KIND kind;
- host_callback *callback;
- struct bfd *abfd;
- char **argv;
+sim_open (SIM_OPEN_KIND kind, host_callback *callback, struct bfd *abfd,
+ char * const *argv)
{
SIM_DESC sd = sim_state_alloc (kind, callback);
char c;
int i;
+ /* Set default options before parsing user options. */
+ STATE_MACHS (sd) = m32r_sim_machs;
+ STATE_MODEL_NAME (sd) = "m32r/d";
+ current_alignment = STRICT_ALIGNMENT;
+ current_target_byte_order = BFD_ENDIAN_BIG;
+
/* The cpu data is kept in a separately allocated chunk of memory. */
- if (sim_cpu_alloc_all (sd, 1, cgen_cpu_max_extra_bytes ()) != SIM_RC_OK)
+ if (sim_cpu_alloc_all (sd, 1) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
-#if 0 /* FIXME: pc is in mach-specific struct */
- /* FIXME: watchpoints code shouldn't need this */
- {
- SIM_CPU *current_cpu = STATE_CPU (sd, 0);
- STATE_WATCHPOINTS (sd)->pc = &(PC);
- STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (PC);
- }
-#endif
-
if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
-#ifdef HAVE_DV_SOCKSER /* FIXME: was done differently before */
- if (dv_sockser_install (sd) != SIM_RC_OK)
- {
- free_state (sd);
- return 0;
- }
-#endif
-
-#if 0 /* FIXME: 'twould be nice if we could do this */
- /* These options override any module options.
- Obviously ambiguity should be avoided, however the caller may wish to
- augment the meaning of an option. */
- if (extra_options != NULL)
- sim_add_option_table (sd, extra_options);
-#endif
-
- /* getopt will print the error message so we just have to exit if this fails.
- FIXME: Hmmm... in the case of gdb we need getopt to call
- print_filtered. */
+ /* The parser will print an error message for us, so we silently return. */
if (sim_parse_args (sd, argv) != SIM_RC_OK)
{
free_state (sd);
/* Allocate a handler for the control registers and other devices
if no memory for that range has been allocated by the user.
All are allocated in one chunk to keep things from being
- unnecessarily complicated. */
- if (sim_core_read_buffer (sd, NULL, read_map, &c, M32R_DEVICE_ADDR, 1) == 0)
- sim_core_attach (sd, NULL,
- 0 /*level*/,
- access_read_write,
- 0 /*space ???*/,
- M32R_DEVICE_ADDR, M32R_DEVICE_LEN /*nr_bytes*/,
- 0 /*modulo*/,
- &m32r_devices,
- NULL /*buffer*/);
+ unnecessarily complicated.
+ TODO: Move these to the sim-model framework. */
+ sim_hw_parse (sd, "/core/%s/reg %#x %i", "m32r_uart", UART_BASE_ADDR, 0x100);
+ sim_hw_parse (sd, "/core/%s/reg %#x %i", "m32r_cache", 0xfffffff0, 0x10);
/* Allocate core managed memory if none specified by user.
Use address 4 here in case the user wanted address 0 unmapped. */
sim_do_commandf (sd, "memory region 0,0x%x", M32R_DEFAULT_MEM_SIZE);
/* check for/establish the reference program image */
- if (sim_analyze_program (sd,
- (STATE_PROG_ARGV (sd) != NULL
- ? *STATE_PROG_ARGV (sd)
- : NULL),
- abfd) != SIM_RC_OK)
+ if (sim_analyze_program (sd, STATE_PROG_FILE (sd), abfd) != SIM_RC_OK)
{
free_state (sd);
return 0;
m32r_cgen_init_dis (cd);
}
- /* Initialize various cgen things not done by common framework.
- Must be done after m32r_cgen_cpu_open. */
- cgen_init (sd);
-
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
{
/* Only needed for profiling, but the structure member is small. */
= print_m32r_misc_cpu;
}
- /* Store in a global so things like sparc32_dump_regs can be invoked
- from the gdb command line. */
- current_state = sd;
-
return sd;
}
-
-void
-sim_close (sd, quitting)
- SIM_DESC sd;
- int quitting;
-{
- m32r_cgen_cpu_close (CPU_CPU_DESC (STATE_CPU (sd, 0)));
- sim_module_uninstall (sd);
-}
\f
SIM_RC
-sim_create_inferior (sd, abfd, argv, envp)
- SIM_DESC sd;
- struct bfd *abfd;
- char **argv;
- char **envp;
+sim_create_inferior (SIM_DESC sd, struct bfd *abfd, char * const *argv,
+ char * const *env)
{
SIM_CPU *current_cpu = STATE_CPU (sd, 0);
+ host_callback *cb = STATE_CALLBACK (sd);
SIM_ADDR addr;
if (abfd != NULL)
addr = 0;
sim_pc_set (current_cpu, addr);
-#ifdef M32R_LINUX
- m32rbf_h_cr_set (current_cpu,
- m32r_decode_gdb_ctrl_regnum(SPI_REGNUM), 0x1f00000);
- m32rbf_h_cr_set (current_cpu,
- m32r_decode_gdb_ctrl_regnum(SPU_REGNUM), 0x1f00000);
-#endif
+ if (STATE_ENVIRONMENT (sd) == USER_ENVIRONMENT)
+ {
+ m32rbf_h_cr_set (current_cpu,
+ m32r_decode_gdb_ctrl_regnum(SPI_REGNUM), 0x1f00000);
+ m32rbf_h_cr_set (current_cpu,
+ m32r_decode_gdb_ctrl_regnum(SPU_REGNUM), 0x1f00000);
+ }
+
+ /* Standalone mode (i.e. `run`) will take care of the argv for us in
+ sim_open() -> sim_parse_args(). But in debug mode (i.e. 'target sim'
+ with `gdb`), we need to handle it because the user can change the
+ argv on the fly via gdb's 'run'. */
+ if (STATE_PROG_ARGV (sd) != argv)
+ {
+ freeargv (STATE_PROG_ARGV (sd));
+ STATE_PROG_ARGV (sd) = dupargv (argv);
+ }
+
+ if (STATE_PROG_ENVP (sd) != env)
+ {
+ freeargv (STATE_PROG_ENVP (sd));
+ STATE_PROG_ENVP (sd) = dupargv (env);
+ }
-#if 0
- STATE_ARGV (sd) = sim_copy_argv (argv);
- STATE_ENVP (sd) = sim_copy_argv (envp);
-#endif
+ cb->argv = STATE_PROG_ARGV (sd);
+ cb->envp = STATE_PROG_ENVP (sd);
return SIM_RC_OK;
}
CPU_M32R_MISC_PROFILE (cpu)->parallel_count));
}
}
-
-void
-sim_do_command (sd, cmd)
- SIM_DESC sd;
- char *cmd;
-{
- char **argv;
-
- if (cmd == NULL)
- return;
-
- argv = buildargv (cmd);
-
- if (argv[0] != NULL
- && strcasecmp (argv[0], "info") == 0
- && argv[1] != NULL
- && strncasecmp (argv[1], "reg", 3) == 0)
- {
- SI val;
-
- /* We only support printing bbpsw,bbpc here as there is no equivalent
- functionality in gdb. */
- if (argv[2] == NULL)
- sim_io_eprintf (sd, "Missing register in `%s'\n", cmd);
- else if (argv[3] != NULL)
- sim_io_eprintf (sd, "Too many arguments in `%s'\n", cmd);
- else if (strcasecmp (argv[2], "bbpsw") == 0)
- {
- val = m32rbf_h_cr_get (STATE_CPU (sd, 0), H_CR_BBPSW);
- sim_io_printf (sd, "bbpsw 0x%x %d\n", val, val);
- }
- else if (strcasecmp (argv[2], "bbpc") == 0)
- {
- val = m32rbf_h_cr_get (STATE_CPU (sd, 0), H_CR_BBPC);
- sim_io_printf (sd, "bbpc 0x%x %d\n", val, val);
- }
- else
- sim_io_eprintf (sd, "Printing of register `%s' not supported with `sim info'\n",
- argv[2]);
- }
- else
- {
- if (sim_args_command (sd, cmd) != SIM_RC_OK)
- sim_io_eprintf (sd, "Unknown sim command `%s'\n", cmd);
- }
-
- freeargv (argv);
-}
projects / binutils-gdb.git / blobdiff