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Diffstat (limited to 'sim/sh64/sim-if.c')
| -rw-r--r-- | sim/sh64/sim-if.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/sim/sh64/sim-if.c b/sim/sh64/sim-if.c deleted file mode 100644 index baef638b153..00000000000 --- a/sim/sh64/sim-if.c +++ /dev/null @@ -1,236 +0,0 @@ -/* Main simulator entry points specific to the SH5. - Copyright (C) 2000 Free Software Foundation, Inc. - Contributed by Cygnus Solutions. - -This file is part of the GNU simulators. - -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, 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. */ - -#include "libiberty.h" -#include "bfd.h" -#include "sim-main.h" -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#include "sim-options.h" -#include "dis-asm.h" - -static void free_state (SIM_DESC); - -/* Since we don't build the cgen-opcode table, we use a wrapper around - the existing disassembler from libopcodes. */ -static CGEN_DISASSEMBLER sh64_disassemble_insn; - -/* Records simulator descriptor so utilities like sh5_dump_regs can be - called from gdb. */ -SIM_DESC current_state; - -/* Cover function of sim_state_free to free the cpu buffers as well. */ - -static void -free_state (SIM_DESC sd) -{ - if (STATE_MODULES (sd) != NULL) - sim_module_uninstall (sd); - sim_cpu_free_all (sd); - sim_state_free (sd); -} - -/* 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; -{ - char c; - int i; - SIM_DESC sd = sim_state_alloc (kind, callback); - - /* 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) - { - 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; - } - -#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. */ - if (sim_parse_args (sd, argv) != SIM_RC_OK) - { - free_state (sd); - return 0; - } - - /* 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%x", SH64_DEFAULT_MEM_SIZE); - - /* Add a small memory region way up in the address space to handle - writes to invalidate an instruction cache line. This is used for - trampolines. Since we don't simulate the cache, this memory just - avoids bus errors. 64K ought to do. */ - sim_do_command (sd," memory region 0xf0000000,0x10000"); - - /* 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) - { - free_state (sd); - return 0; - } - - /* Establish any remaining configuration options. */ - if (sim_config (sd) != SIM_RC_OK) - { - free_state (sd); - return 0; - } - - if (sim_post_argv_init (sd) != SIM_RC_OK) - { - free_state (sd); - return 0; - } - - /* Open a copy of the cpu descriptor table. */ - { - CGEN_CPU_DESC cd = sh_cgen_cpu_open_1 (STATE_ARCHITECTURE (sd)->printable_name, - CGEN_ENDIAN_BIG); - - for (i = 0; i < MAX_NR_PROCESSORS; ++i) - { - SIM_CPU *cpu = STATE_CPU (sd, i); - CPU_CPU_DESC (cpu) = cd; - CPU_DISASSEMBLER (cpu) = sh64_disassemble_insn; - } - } - - /* Clear idesc table pointers for good measure. */ - sh64_idesc_media = sh64_idesc_compact = NULL; - - /* Initialize various cgen things not done by common framework. - Must be done after sh_cgen_cpu_open. */ - cgen_init (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; -{ - sh_cgen_cpu_close (CPU_CPU_DESC (STATE_CPU (sd, 0))); - sim_module_uninstall (sd); -} - -SIM_RC -sim_create_inferior (sd, abfd, argv, envp) - SIM_DESC sd; - struct _bfd *abfd; - char **argv; - char **envp; -{ - SIM_CPU *current_cpu = STATE_CPU (sd, 0); - SIM_ADDR addr; - - if (abfd != NULL) - addr = bfd_get_start_address (abfd); - else - 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 - - 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); -} - - -/* Disassemble an instruction. */ - -static void -sh64_disassemble_insn (SIM_CPU *cpu, const CGEN_INSN *insn, - const ARGBUF *abuf, IADDR pc, char *buf) -{ - struct disassemble_info disasm_info; - SFILE sfile; - SIM_DESC sd = CPU_STATE (cpu); - - sfile.buffer = sfile.current = buf; - INIT_DISASSEMBLE_INFO (disasm_info, (FILE *) &sfile, - (fprintf_ftype) sim_disasm_sprintf); - - disasm_info.arch = bfd_get_arch (STATE_PROG_BFD (sd)); - disasm_info.mach = bfd_get_mach (STATE_PROG_BFD (sd)); - disasm_info.endian = - (bfd_big_endian (STATE_PROG_BFD (sd)) ? BFD_ENDIAN_BIG - : bfd_little_endian (STATE_PROG_BFD (sd)) ? BFD_ENDIAN_LITTLE - : BFD_ENDIAN_UNKNOWN); - disasm_info.read_memory_func = sim_disasm_read_memory; - disasm_info.memory_error_func = sim_disasm_perror_memory; - disasm_info.application_data = (PTR) cpu; - - if (sh64_h_ism_get (cpu) == ISM_MEDIA) - print_insn_sh64x_media (pc, &disasm_info); - else - print_insn_sh (pc, &disasm_info); -} |