271 lines
6.2 KiB
C
271 lines
6.2 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Standard PC/AT implementation.
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*
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*
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*
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* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
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* Miran Grca, <mgrca8@gmail.com>
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* Sarah Walker, <tommowalker@tommowalker.co.uk>
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*
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* Copyright 2017-2020 Fred N. van Kempen.
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* Copyright 2016-2020 Miran Grca.
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* Copyright 2008-2020 Sarah Walker.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the:
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*
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* Free Software Foundation, Inc.
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* 59 Temple Place - Suite 330
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* Boston, MA 02111-1307
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* USA.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <wchar.h>
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#include <86box/86box.h>
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#include <86box/timer.h>
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#include <86box/pic.h>
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#include <86box/pit.h>
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#include <86box/dma.h>
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#include <86box/mem.h>
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#include <86box/device.h>
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#include <86box/fdd.h>
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#include <86box/fdc.h>
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#include <86box/fdc_ext.h>
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#include <86box/nvr.h>
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#include <86box/gameport.h>
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#include <86box/keyboard.h>
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#include <86box/lpt.h>
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#include <86box/rom.h>
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#include <86box/hdc.h>
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#include <86box/port_6x.h>
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#include <86box/machine.h>
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void
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machine_at_common_init_ex(const machine_t *model, int type)
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{
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machine_common_init(model);
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refresh_at_enable = 1;
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pit_devs[0].set_out_func(pit_devs[0].data, 1, pit_refresh_timer_at);
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pic2_init();
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dma16_init();
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if (!(type & 4))
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device_add(&port_6x_device);
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type &= 3;
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if (type == 1)
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device_add(&ibmat_nvr_device);
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else if (type == 0)
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device_add(&at_nvr_device);
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standalone_gameport_type = &gameport_device;
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}
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void
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machine_at_common_init(const machine_t *model)
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{
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machine_at_common_init_ex(model, 0);
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}
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void
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machine_at_init(const machine_t *model)
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{
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machine_at_common_init(model);
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device_add(&keyboard_at_device);
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}
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static void
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machine_at_ibm_common_init(const machine_t *model)
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{
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machine_at_common_init_ex(model, 1);
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device_add(&keyboard_at_device);
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mem_remap_top(384);
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if (fdc_type == FDC_INTERNAL)
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device_add(&fdc_at_device);
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}
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void
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machine_at_ps2_init(const machine_t *model)
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{
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machine_at_common_init(model);
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device_add(&keyboard_ps2_device);
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}
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void
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machine_at_common_ide_init(const machine_t *model)
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{
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machine_at_common_init(model);
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device_add(&ide_isa_device);
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}
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void
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machine_at_ibm_common_ide_init(const machine_t *model)
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{
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machine_at_common_init_ex(model, 1);
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device_add(&ide_isa_device);
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}
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void
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machine_at_ide_init(const machine_t *model)
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{
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machine_at_init(model);
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device_add(&ide_isa_device);
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}
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void
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machine_at_ps2_ide_init(const machine_t *model)
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{
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machine_at_ps2_init(model);
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device_add(&ide_isa_device);
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}
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int
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machine_at_ibm_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_interleaved("roms/machines/ibmat/62x0820.u27",
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"roms/machines/ibmat/62x0821.u47",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_ibm_common_init(model);
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return ret;
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}
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/* IBM AT machines with custom BIOSes */
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int
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machine_at_ibmatquadtel_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_interleaved("roms/machines/ibmatquadtel/BIOS_30MAR90_U27_QUADTEL_ENH_286_BIOS_3.05.01_27256.BIN",
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"roms/machines/ibmatquadtel/BIOS_30MAR90_U47_QUADTEL_ENH_286_BIOS_3.05.01_27256.BIN",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_ibm_common_init(model);
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return ret;
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}
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int
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machine_at_ibmatami_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_interleaved("roms/machines/ibmatami/BIOS_5170_30APR89_U27_AMI_27256.BIN",
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"roms/machines/ibmatami/BIOS_5170_30APR89_U47_AMI_27256.BIN",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_ibm_common_init(model);
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return ret;
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}
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int
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machine_at_ibmatpx_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_interleaved("roms/machines/ibmatpx/BIOS ROM - PhoenixBIOS A286 - Version 1.01 - Even.bin",
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"roms/machines/ibmatpx/BIOS ROM - PhoenixBIOS A286 - Version 1.01 - Odd.bin",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_ibm_common_init(model);
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return ret;
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}
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int
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machine_at_ibmxt286_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_interleaved("roms/machines/ibmxt286/bios_5162_21apr86_u34_78x7460_27256.bin",
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"roms/machines/ibmxt286/bios_5162_21apr86_u35_78x7461_27256.bin",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_ibm_common_init(model);
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return ret;
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}
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int
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machine_at_siemens_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_linear("roms/machines/siemens/286BIOS.BIN",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_ibm_common_init(model);
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return ret;
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}
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#if defined(DEV_BRANCH) && defined(USE_OPEN_AT)
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int
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machine_at_openat_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_linear("roms/machines/openat/bios.bin",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_ibm_common_init(model);
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return ret;
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}
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#endif
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