diff options
Diffstat (limited to 'sim/sparc/sim-if.c')
| -rw-r--r-- | sim/sparc/sim-if.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/sim/sparc/sim-if.c b/sim/sparc/sim-if.c deleted file mode 100644 index 6d44075..0000000 --- a/sim/sparc/sim-if.c +++ /dev/null @@ -1,245 +0,0 @@ -/* Main simulator entry points for the SPARC. - Copyright (C) 1999 Cygnus Solutions. */ - -#include "sim-main.h" -#include <signal.h> -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#include "libiberty.h" -#include "bfd.h" -#include "sim-core.h" -#include "dev32.h" - -/* FIXME: Do we *need* to pass state to the semantic routines? */ -SIM_DESC current_state; - -static MODULE_SUSPEND_FN regwin_suspend; - -/* 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 (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 - - /* Make the default --environment=operating to be compatible with erc32. */ - STATE_ENVIRONMENT (sd) = OPERATING_ENVIRONMENT; - - /* 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; - } - - /* 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) - { - 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; - } - - /* Initialize various cgen things not done by common framework. */ - cgen_init (sd); - - /* Open a copy of the opcode table. */ - STATE_OPCODE_TABLE (sd) = sparc_cgen_opcode_open (STATE_ARCHITECTURE (sd)->mach, - CGEN_ENDIAN_BIG); - sparc_cgen_init_dis (STATE_OPCODE_TABLE (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, ERC32_DEVICE_ADDR, 1) == 0) - sim_core_attach (sd, NULL, - 0 /*level*/, - access_read_write, - 0 /*space ???*/, - ERC32_DEVICE_ADDR, ERC32_DEVICE_LEN /*nr_bytes*/, - 0 /*modulo*/, - &sparc_devices, - NULL /*buffer*/); - - /* 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", SPARC_DEFAULT_MEM_SIZE); - /* FIXME: magic number */ - if (sim_core_read_buffer (sd, NULL, read_map, &c, 0x2000000, 1) == 0) - sim_do_commandf (sd, "memory region 0x%x,0x%x", 0x2000000, 0x200000); - -#ifdef HAVE_SPARC32 - if (! ARCH64_P (sd)) - { - sparc32_alloc_regwins (STATE_CPU (sd, 0), NWINDOWS); - } -#endif -#ifdef HAVE_SPARC64 - if (ARCH64_P (sd)) - { - sparc64_alloc_regwins (STATE_CPU (sd, 0), NWINDOWS); - } -#endif - - sim_module_add_suspend_fn (sd, regwin_suspend); - - /* Perform a cold-reset of the cpu(s). */ - - for (i = 0; i < MAX_NR_PROCESSORS; ++i) - sparc32_cold_reset (STATE_CPU (sd, i), 0); - - /* 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; -{ -#ifdef HAVE_SPARC32 - if (! ARCH64_P (sd)) - sparc32_free_regwins (STATE_CPU (sd, 0)); -#endif -#ifdef HAVE_SPARC64 - if (ARCH64_P (sd)) - sparc64_free_regwins (STATE_CPU (sd, 0)); -#endif - sim_module_uninstall (sd); -} - -SIM_RC -sim_create_inferior (sd, abfd, argv, envp) - SIM_DESC sd; - struct _bfd *abfd; - char **argv; - char **envp; -{ - SIM_ADDR addr; - - if (abfd) - addr = bfd_get_start_address (abfd); - else - addr = 0; - -#if 0 - STATE_ARGV (sd) = sim_copy_argv (argv); - STATE_ENVP (sd) = sim_copy_argv (envp); -#endif - -#ifdef HAVE_SPARC32 - if (! ARCH64_P (sd)) - { - sparc32_cold_reset (STATE_CPU (sd, 0), 1); - sparc32_init_pc (STATE_CPU (sd, 0), addr, addr + 4); - } -#endif -#ifdef HAVE_SPARC64 - if (ARCH64_P (sd)) - { - sparc64_cold_reset (STATE_CPU (sd, 0), 1); - sparc64_init_pc (STATE_CPU (sd, 0), addr, addr + 4); - } -#endif - - return SIM_RC_OK; -} - -/* Flush the register windows when we suspend so we can walk the stack - in gdb. - ??? Extremely inefficient in case where gdb is running a program - by stepping it. - ??? Also interferes with debugging of --environment=operating. */ - -static SIM_RC -regwin_suspend (SIM_DESC sd) -{ - int c; - - for (c = 0; c < MAX_NR_PROCESSORS; ++c) - { - SIM_CPU *cpu = STATE_CPU (sd, c); - -#ifdef HAVE_SPARC32 - if (ARCH32_P (cpu)) - sparc32_flush_regwins (cpu, sim_pc_get (cpu), 1 /* no errors */); -#endif -#ifdef HAVE_SPARC64 - if (ARCH64_P (cpu)) - sparc64_flush_regwins (cpu, sim_pc_get (cpu), 1 /* no errors */); -#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); -} |