diff options
Diffstat (limited to 'sim/d30v/sim-calls.c')
| -rw-r--r-- | sim/d30v/sim-calls.c | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/sim/d30v/sim-calls.c b/sim/d30v/sim-calls.c deleted file mode 100644 index d319529cc21..00000000000 --- a/sim/d30v/sim-calls.c +++ /dev/null @@ -1,364 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au> - Copyright (C) 1997, Free Software Foundation - - 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. - - */ - - -#include <stdarg.h> -#include <ctype.h> - -#include "sim-main.h" -#include "sim-options.h" - -#include "bfd.h" -#include "sim-utils.h" - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -static unsigned long extmem_size = 1024*1024*8; /* 8 meg is the maximum listed in the arch. manual */ - -static const char * get_insn_name (sim_cpu *, int); - -#define SIM_ADDR unsigned - - -#define OPTION_TRACE_CALL 200 -#define OPTION_TRACE_TRAPDUMP 201 -#define OPTION_EXTMEM_SIZE 202 - -static SIM_RC -d30v_option_handler (SIM_DESC sd, - sim_cpu *cpu, - int opt, - char *arg, - int command_p) -{ - char *suffix; - - switch (opt) - { - default: - break; - - case OPTION_TRACE_CALL: - if (arg == NULL || strcmp (arg, "yes") == 0 || strcmp (arg, "on") == 0) - TRACE_CALL_P = 1; - else if (strcmp (arg, "no") == 0 || strcmp (arg, "off") == 0) - TRACE_CALL_P = 0; - else - { - sim_io_eprintf (sd, "Unreconized --trace-call option `%s'\n", arg); - return SIM_RC_FAIL; - } - return SIM_RC_OK; - - case OPTION_TRACE_TRAPDUMP: - if (arg == NULL || strcmp (arg, "yes") == 0 || strcmp (arg, "on") == 0) - TRACE_TRAP_P = 1; - else if (strcmp (arg, "no") == 0 || strcmp (arg, "off") == 0) - TRACE_TRAP_P = 0; - else - { - sim_io_eprintf (sd, "Unreconized --trace-call option `%s'\n", arg); - return SIM_RC_FAIL; - } - return SIM_RC_OK; - - case OPTION_EXTMEM_SIZE: - if (arg == NULL || !isdigit (*arg)) - { - sim_io_eprintf (sd, "Invalid memory size `%s'", arg); - return SIM_RC_FAIL; - } - - suffix = arg; - extmem_size = strtol (arg, &suffix, 0); - if (*suffix == 'm' || *suffix == 'M') - extmem_size <<= 20; - else if (*suffix == 'k' || *suffix == 'K') - extmem_size <<= 10; - sim_do_commandf (sd, "memory delete 0x80000000"); - sim_do_commandf (sd, "memory region 0x80000000,0x%lx", extmem_size); - - return SIM_RC_OK; - } - - sim_io_eprintf (sd, "Unknown option (%d)\n", opt); - return SIM_RC_FAIL; -} - -static const OPTION d30v_options[] = -{ - { {"trace-call", optional_argument, NULL, OPTION_TRACE_CALL}, - '\0', "on|off", "Enable tracing of calls and returns, checking saved registers", - d30v_option_handler }, - { {"trace-trapdump", optional_argument, NULL, OPTION_TRACE_TRAPDUMP}, - '\0', "on|off", -#if TRAPDUMP - "Traps 0..30 dump out all of the registers (defaults on)", -#else - "Traps 0..30 dump out all of the registers", -#endif - d30v_option_handler }, - { {"extmem-size", required_argument, NULL, OPTION_EXTMEM_SIZE}, - '\0', "size", "Change size of external memory, default 8 meg", - d30v_option_handler }, - { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL } -}; - -/* Return name of an insn, used by insn profiling. */ - -static const char * -get_insn_name (sim_cpu *cpu, int i) -{ - return itable[i].name; -} - -/* Structures used by the simulator, for gdb just have static structures */ - -SIM_DESC -sim_open (SIM_OPEN_KIND kind, - host_callback *callback, - struct _bfd *abfd, - char **argv) -{ - SIM_DESC sd = sim_state_alloc (kind, callback); - - /* FIXME: watchpoints code shouldn't need this */ - STATE_WATCHPOINTS (sd)->pc = &(PC); - STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (PC); - STATE_WATCHPOINTS (sd)->interrupt_handler = d30v_interrupt_event; - - /* Initialize the mechanism for doing insn profiling. */ - CPU_INSN_NAME (STATE_CPU (sd, 0)) = get_insn_name; - CPU_MAX_INSNS (STATE_CPU (sd, 0)) = nr_itable_entries; - -#ifdef TRAPDUMP - TRACE_TRAP_P = TRAPDUMP; -#endif - - if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK) - return 0; - sim_add_option_table (sd, NULL, d30v_options); - - /* Memory and EEPROM */ - /* internal instruction RAM - fixed */ - sim_do_commandf (sd, "memory region 0,0x10000"); - /* internal data RAM - fixed */ - sim_do_commandf (sd, "memory region 0x20000000,0x8000"); - /* control register dummy area */ - sim_do_commandf (sd, "memory region 0x40000000,0x10000"); - /* external RAM */ - sim_do_commandf (sd, "memory region 0x80000000,0x%lx", extmem_size); - /* EIT RAM */ - sim_do_commandf (sd, "memory region 0xfffff000,0x1000"); - - /* 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) - { - /* Uninstall the modules to avoid memory leaks, - file descriptor leaks, etc. */ - sim_module_uninstall (sd); - return 0; - } - - /* check for/establish the a reference program image */ - if (sim_analyze_program (sd, - (STATE_PROG_ARGV (sd) != NULL - ? *STATE_PROG_ARGV (sd) - : NULL), - abfd) != SIM_RC_OK) - { - sim_module_uninstall (sd); - return 0; - } - - /* establish any remaining configuration options */ - if (sim_config (sd) != SIM_RC_OK) - { - sim_module_uninstall (sd); - return 0; - } - - if (sim_post_argv_init (sd) != SIM_RC_OK) - { - /* Uninstall the modules to avoid memory leaks, - file descriptor leaks, etc. */ - sim_module_uninstall (sd); - return 0; - } - - return sd; -} - - -void -sim_close (SIM_DESC sd, int quitting) -{ - /* Uninstall the modules to avoid memory leaks, - file descriptor leaks, etc. */ - sim_module_uninstall (sd); -} - - -SIM_RC -sim_create_inferior (SIM_DESC sd, - struct _bfd *abfd, - char **argv, - char **envp) -{ - /* clear all registers */ - memset (&STATE_CPU (sd, 0)->regs, 0, sizeof (STATE_CPU (sd, 0)->regs)); - EIT_VB = EIT_VB_DEFAULT; - STATE_CPU (sd, 0)->unit = any_unit; - sim_module_init (sd); - if (abfd != NULL) - PC = bfd_get_start_address (abfd); - else - PC = 0xfffff000; /* reset value */ - return SIM_RC_OK; -} - -void -sim_do_command (SIM_DESC sd, char *cmd) -{ - if (sim_args_command (sd, cmd) != SIM_RC_OK) - sim_io_printf (sd, "Unknown command `%s'\n", cmd); -} - -/* The following register definitions were ripped off from - gdb/config/tm-d30v.h. If any of those defs changes, this table needs to - be updated. */ - -#define NUM_REGS 86 - -#define R0_REGNUM 0 -#define FP_REGNUM 11 -#define LR_REGNUM 62 -#define SP_REGNUM 63 -#define SPI_REGNUM 64 /* Interrupt stack pointer */ -#define SPU_REGNUM 65 /* User stack pointer */ -#define CREGS_START 66 - -#define PSW_REGNUM (CREGS_START + 0) /* psw, bpsw, or dpsw??? */ -#define PSW_SM 0x80000000 /* Stack mode: 0 == interrupt (SPI), - 1 == user (SPU) */ -#define BPSW_REGNUM (CREGS_START + 1) /* Backup PSW (on interrupt) */ -#define PC_REGNUM (CREGS_START + 2) /* pc, bpc, or dpc??? */ -#define BPC_REGNUM (CREGS_START + 3) /* Backup PC (on interrupt) */ -#define DPSW_REGNUM (CREGS_START + 4) /* Backup PSW (on debug trap) */ -#define DPC_REGNUM (CREGS_START + 5) /* Backup PC (on debug trap) */ -#define RPT_C_REGNUM (CREGS_START + 7) /* Loop count */ -#define RPT_S_REGNUM (CREGS_START + 8) /* Loop start address*/ -#define RPT_E_REGNUM (CREGS_START + 9) /* Loop end address */ -#define MOD_S_REGNUM (CREGS_START + 10) -#define MOD_E_REGNUM (CREGS_START + 11) -#define IBA_REGNUM (CREGS_START + 14) /* Instruction break address */ -#define EIT_VB_REGNUM (CREGS_START + 15) /* Vector base address */ -#define INT_S_REGNUM (CREGS_START + 16) /* Interrupt status */ -#define INT_M_REGNUM (CREGS_START + 17) /* Interrupt mask */ -#define A0_REGNUM 84 -#define A1_REGNUM 85 - -int -sim_fetch_register (sd, regno, buf, length) - SIM_DESC sd; - int regno; - unsigned char *buf; - int length; -{ - if (regno < A0_REGNUM) - { - unsigned32 reg; - - if (regno <= R0_REGNUM + 63) - reg = sd->cpu[0].regs.general_purpose[regno]; - else if (regno <= SPU_REGNUM) - reg = sd->cpu[0].regs.sp[regno - SPI_REGNUM]; - else - reg = sd->cpu[0].regs.control[regno - CREGS_START]; - - buf[0] = reg >> 24; - buf[1] = reg >> 16; - buf[2] = reg >> 8; - buf[3] = reg; - } - else if (regno < NUM_REGS) - { - unsigned32 reg; - - reg = sd->cpu[0].regs.accumulator[regno - A0_REGNUM] >> 32; - - buf[0] = reg >> 24; - buf[1] = reg >> 16; - buf[2] = reg >> 8; - buf[3] = reg; - - reg = sd->cpu[0].regs.accumulator[regno - A0_REGNUM]; - - buf[4] = reg >> 24; - buf[5] = reg >> 16; - buf[6] = reg >> 8; - buf[7] = reg; - } - else - abort (); - return -1; -} - -int -sim_store_register (sd, regno, buf, length) - SIM_DESC sd; - int regno; - unsigned char *buf; - int length; -{ - if (regno < A0_REGNUM) - { - unsigned32 reg; - - reg = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; - - if (regno <= R0_REGNUM + 63) - sd->cpu[0].regs.general_purpose[regno] = reg; - else if (regno <= SPU_REGNUM) - sd->cpu[0].regs.sp[regno - SPI_REGNUM] = reg; - else - sd->cpu[0].regs.control[regno - CREGS_START] = reg; - } - else if (regno < NUM_REGS) - { - unsigned32 reg; - - reg = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; - - sd->cpu[0].regs.accumulator[regno - A0_REGNUM] = (unsigned64)reg << 32; - - reg = (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]; - - sd->cpu[0].regs.accumulator[regno - A0_REGNUM] |= reg; - } - else - abort (); - return -1; -} |