/* Main simulator entry points specific to the FRV.
- Copyright (C) 1998, 1999, 2000, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 1998-2021 Free Software Foundation, Inc.
Contributed by Red Hat.
This file is part of the GNU simulators.
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"
+
#define WANT_CPU
#define WANT_CPU_FRVBF
#include "sim-main.h"
-#ifdef HAVE_STDLIB_H
#include <stdlib.h>
-#endif
#include "sim-options.h"
#include "libiberty.h"
#include "bfd.h"
#include "elf-bfd.h"
static void free_state (SIM_DESC);
-static void print_frv_misc_cpu (SIM_CPU *cpu, int verbose);
-
-/* Records simulator descriptor so utilities like frv_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. */
/* Create an instance of the simulator. */
SIM_DESC
-sim_open (kind, callback, abfd, argv)
- SIM_OPEN_KIND kind;
- host_callback *callback;
- bfd *abfd;
- char **argv;
+sim_open (SIM_OPEN_KIND kind, host_callback *callback, bfd *abfd,
+ char * const *argv)
{
char c;
int i;
unsigned long elf_flags = 0;
SIM_DESC sd = sim_state_alloc (kind, callback);
+ /* Set default options before parsing user options. */
+ 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);
augment the meaning of an option. */
sim_add_option_table (sd, NULL, frv_options);
- /* 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);
return 0;
}
-#if 0
- /* 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, FRV_DEVICE_ADDR, 1) == 0)
- sim_core_attach (sd, NULL,
- 0 /*level*/,
- access_read_write,
- 0 /*space ???*/,
- FRV_DEVICE_ADDR, FRV_DEVICE_LEN /*nr_bytes*/,
- 0 /*modulo*/,
- &frv_devices,
- NULL /*buffer*/);
-#endif
-
/* Allocate core managed memory if none specified by user.
Use address 4 here in case the user wanted address 0 unmapped. */
if (sim_core_read_buffer (sd, NULL, read_map, &c, 4, 1) == 0)
- sim_do_commandf (sd, "memory region 0,0x%lx", FRV_DEFAULT_MEM_SIZE);
+ sim_do_commandf (sd, "memory region 0,0x%x", FRV_DEFAULT_MEM_SIZE);
/* check for/establish the reference program image */
if (sim_analyze_program (sd,
frv_cgen_init_dis (cd);
}
- /* Initialize various cgen things not done by common framework.
- Must be done after frv_cgen_cpu_open. */
- cgen_init (sd);
-
/* CPU specific initialization. */
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
frv_initialize (cpu, sd);
}
- /* 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;
+frv_sim_close (SIM_DESC sd, int quitting)
{
int i;
/* Terminate cache support. */
frv_cache_term (CPU_INSN_CACHE (cpu));
frv_cache_term (CPU_DATA_CACHE (cpu));
}
-
- frv_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;
- bfd *abfd;
- char **argv;
- char **envp;
+sim_create_inferior (SIM_DESC sd, bfd *abfd, char * const *argv,
+ char * const *envp)
{
SIM_CPU *current_cpu = STATE_CPU (sd, 0);
SIM_ADDR addr;
addr = 0;
sim_pc_set (current_cpu, addr);
-#if 0
- STATE_ARGV (sd) = sim_copy_argv (argv);
- STATE_ENVP (sd) = sim_copy_argv (envp);
-#endif
+ /* 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);
+ }
return SIM_RC_OK;
}
-
-void
-sim_do_command (sd, cmd)
- SIM_DESC sd;
- char *cmd;
-{
- if (sim_args_command (sd, cmd) != SIM_RC_OK)
- sim_io_eprintf (sd, "Unknown command `%s'\n", cmd);
-}
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