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Diffstat (limited to 'sim/m68hc11/emulos.c')
| -rw-r--r-- | sim/m68hc11/emulos.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/sim/m68hc11/emulos.c b/sim/m68hc11/emulos.c deleted file mode 100644 index bb9f27b418c..00000000000 --- a/sim/m68hc11/emulos.c +++ /dev/null @@ -1,161 +0,0 @@ -/* emulos.c -- Small OS emulation - Copyright 1999, 2000 Free Software Foundation, Inc. - Written by Stephane Carrez (stcarrez@worldnet.fr) - -This file is part of GDB, GAS, and the GNU binutils. - -GDB, GAS, and the GNU binutils are free software; you can redistribute -them and/or modify them under the terms of the GNU General Public -License as published by the Free Software Foundation; either version -1, or (at your option) any later version. - -GDB, GAS, and the GNU binutils are distributed in the hope that they -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 file; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "sim-main.h" -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#ifndef WIN32 -#include <sys/types.h> -#include <sys/time.h> - -/* This file emulates some OS system calls. - It's basically used to give access to the host OS facilities - like: stdin, stdout, files, time of day. */ -static int bench_mode = -1; -static struct timeval bench_start; -static struct timeval bench_stop; - -void -emul_bench (struct _sim_cpu* cpu) -{ - int op; - - op = cpu_get_d (cpu); - switch (op) - { - case 0: - bench_mode = 0; - gettimeofday (&bench_start, 0); - break; - - case 1: - gettimeofday (&bench_stop, 0); - if (bench_mode != 0) - printf ("bench start not called...\n"); - bench_mode = 1; - break; - - case 2: - { - int sz = 0; - int addr = cpu_get_x (cpu); - double t_start, t_stop, t; - char buf[1024]; - - op = cpu_get_y (cpu); - t_start = (double) (bench_start.tv_sec) * 1.0e6; - t_start += (double) (bench_start.tv_usec); - t_stop = (double) (bench_stop.tv_sec) * 1.0e6; - t_stop += (double) (bench_stop.tv_usec); - - while (sz < 1024) - { - buf[sz] = memory_read8 (cpu, addr); - if (buf[sz] == 0) - break; - - sz ++; - addr++; - } - buf[1023] = 0; - - if (bench_mode != 1) - printf ("bench_stop not called"); - - bench_mode = -1; - t = t_stop - t_start; - printf ("%-40.40s [%6d] %3.3f us\n", buf, - op, t / (double) (op)); - break; - } - } -} -#endif - -void -emul_write(struct _sim_cpu* state) -{ - int addr = cpu_get_x (state) & 0x0FFFF; - int size = cpu_get_d (state) & 0x0FFFF; - - if (addr + size > 0x0FFFF) { - size = 0x0FFFF - addr; - } - state->cpu_running = 0; - while (size) - { - uint8 val = memory_read8 (state, addr); - - write(0, &val, 1); - addr ++; - size--; - } -} - -/* emul_exit () is used by the default startup code of GCC to implement - the exit (). For a real target, this will create an ILLEGAL fault. - But doing an exit () on a real target is really a non-sense. - exit () is important for the validation of GCC. The exit status - is passed in 'D' register. */ -void -emul_exit (sim_cpu *cpu) -{ - sim_engine_halt (CPU_STATE (cpu), cpu, - NULL, NULL_CIA, sim_exited, - cpu_get_d (cpu)); -} - -void -emul_os (int code, sim_cpu *proc) -{ - proc->cpu_current_cycle = 8; - switch (code) - { - case 0x0: - break; - - /* 0xCD 0x01 */ - case 0x01: - emul_write (proc); - break; - - /* 0xCD 0x02 */ - case 0x02: - break; - - /* 0xCD 0x03 */ - case 0x03: - emul_exit (proc); - break; - - /* 0xCD 0x04 */ - case 0x04: -#ifndef WIN32 - emul_bench (proc); -#endif - break; - - default: - break; - } -} - |