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https://github.com/86Box/86Box.git
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Merge pull request #5 from 86Box/master
Bring up to par with main master.
This commit is contained in:
Miran Grča
GitHub
175
src/device/dell_jumper.c
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175
src/device/dell_jumper.c
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/*
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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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* Implementation of the Dell 486 and 586 Jumper Readout.
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*
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* Register 0x02:
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* - Bit 0: ATX power: 1 = off, 0 = on.
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*
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* Register 0x05:
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* - Appears to be: 0x02 = On-board audio enabled;
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* 0x07 = On-board audio disabled.
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*
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* Register 0x07:
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* - Bit 0: On-board NIC: 1 = present, 0 = absent;
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* - Bit 1: On-board audio: 1 = present, 0 = absent;
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* - Bits 4-2:
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* - 0, 0, 0 = GXL;
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* - 0, 0, 1 = GL+;
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* - 0, 1, 0 = GXMT;
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* - 0, 1, 1 = GMT+;
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* - 1, 0, 0 = GXM;
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* - 1, 0, 1 = GM+;
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* - 1, 1, 0 = WS;
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* - 1, 1, 1 = GWS+.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2025 Miran Grca.
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*/
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#define HAVE_STDARG_H
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/timer.h>
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#include <86box/io.h>
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#include <86box/device.h>
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#include <86box/machine.h>
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#include <86box/sound.h>
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#include <86box/chipset.h>
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#include <86box/plat.h>
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#include <86box/plat_unused.h>
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typedef struct dell_jumper_t {
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uint8_t index;
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uint8_t regs[256];
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} dell_jumper_t;
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#ifdef ENABLE_DELL_JUMPER_LOG
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int dell_jumper_do_log = ENABLE_DELL_JUMPER_LOG;
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static void
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dell_jumper_log(const char *fmt, ...)
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{
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va_list ap;
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if (dell_jumper_do_log) {
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va_start(ap, fmt);
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pclog_ex(fmt, ap);
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va_end(ap);
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}
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}
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#else
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# define dell_jumper_log(fmt, ...)
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#endif
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static void
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dell_jumper_write(uint16_t addr, uint8_t val, void *priv)
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{
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dell_jumper_t *dev = (dell_jumper_t *) priv;
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dell_jumper_log("Dell Jumper: Write %02x\n", val);
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if (addr & 1) switch (dev->index) {
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default:
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dev->regs[dev->index] = val;
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break;
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case 0x02:
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dev->regs[dev->index] = val;
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if (val & 0x04)
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/* Soft power off. */
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plat_power_off();
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break;
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case 0x05:
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dev->regs[dev->index] = (dev->regs[dev->index] & 0x02) | (val & 0xfd);
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if (machine_snd != NULL) switch (val & 0x05) {
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default:
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case 0x05:
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sb_vibra16s_onboard_relocate_base(0x0000, machine_snd);
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break;
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case 0x00:
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sb_vibra16s_onboard_relocate_base(0x0220, machine_snd);
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break;
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}
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break;
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case 0x07:
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break;
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} else
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dev->index = val;
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}
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static uint8_t
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dell_jumper_read(uint16_t addr, void *priv)
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{
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const dell_jumper_t *dev = (dell_jumper_t *) priv;
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uint8_t ret = 0xff;
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dell_jumper_log("Dell Jumper: Read %02x\n", dev->jumper);
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if (addr & 1)
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ret = dev->regs[dev->index];
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else
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ret = dev->index;
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return ret;
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}
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static void
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dell_jumper_reset(void *priv)
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{
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dell_jumper_t *dev = (dell_jumper_t *) priv;
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dev->index = 0x00;
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memset(dev->regs, 0x00, 256);
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if (sound_card_current[0] == SOUND_INTERNAL)
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/* GXL, on-board audio present, on-board NIC absent. */
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dev->regs[0x07] = 0x02;
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else
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/* GXL, on-board audio absent, on-board NIC absent. */
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dev->regs[0x07] = 0x00;
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}
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static void
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dell_jumper_close(void *priv)
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{
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dell_jumper_t *dev = (dell_jumper_t *) priv;
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free(dev);
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}
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static void *
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dell_jumper_init(const device_t *info)
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{
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dell_jumper_t *dev = (dell_jumper_t *) calloc(1, sizeof(dell_jumper_t));
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dell_jumper_reset(dev);
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io_sethandler(0x00e8, 0x0002, dell_jumper_read, NULL, NULL, dell_jumper_write, NULL, NULL, dev);
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return dev;
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}
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const device_t dell_jumper_device = {
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.name = "Dell Jumper Readout",
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.internal_name = "dell_jumper",
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.flags = 0,
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.local = 0,
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.init = dell_jumper_init,
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.close = dell_jumper_close,
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.reset = dell_jumper_reset,
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.available = NULL,
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.speed_changed = NULL,
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.force_redraw = NULL,
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.config = NULL
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};
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@@ -2366,8 +2366,8 @@ machine_xt_m240_init(const machine_t *model)
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m24_kbd_t *m24_kbd;
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nvr_t *nvr;
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ret = bios_load_interleaved("roms/machines/m240/olivetti_m240_pchj_2.11_low.bin",
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"roms/machines/m240/olivetti_m240_pchk_2.11_high.bin",
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ret = bios_load_interleaved("roms/machines/m240/olivetti_m240_pchm_2.12_low.bin",
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"roms/machines/m240/olivetti_m240_pchl_2.12_high.bin",
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0x000f8000, 32768, 0);
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if (bios_only || !ret)
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@@ -8650,7 +8650,7 @@ const machine_t machines[] = {
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.gpio_acpi_handler = NULL,
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.cpu = {
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.package = CPU_PKG_SOCKET3,
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.block = CPU_BLOCK(CPU_i486SX, CPU_i486DX, CPU_Am486SX, CPU_Am486DX),
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.block = CPU_BLOCK_NONE,
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.min_bus = 0,
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.max_bus = 0,
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.min_voltage = 0,
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@@ -13838,7 +13838,7 @@ const machine_t machines[] = {
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.ram = {
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.min = 8192,
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.max = 1572864,
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.step = 1024
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.step = 8192
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},
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.nvrmask = 255,
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.kbc_device = NULL,
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@@ -13878,7 +13878,7 @@ const machine_t machines[] = {
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.ram = {
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.min = 8192,
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.max = 1572864,
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.step = 1024
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.step = 8192
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},
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.nvrmask = 255,
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.kbc_device = NULL,
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@@ -13920,7 +13920,7 @@ const machine_t machines[] = {
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.ram = {
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.min = 8192,
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.max = 786432,
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.step = 1024
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.step = 8192
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},
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.nvrmask = 255,
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.kbc_device = NULL,
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@@ -14084,7 +14084,7 @@ const machine_t machines[] = {
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.bus_flags = MACHINE_PS2_AGP | MACHINE_BUS_USB,
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.flags = MACHINE_IDE_DUAL | MACHINE_APM | MACHINE_ACPI | MACHINE_USB,
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.ram = {
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.min = 1024,
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.min = 8192,
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.max = 1572864,
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.step = 8192
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},
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@@ -14443,7 +14443,7 @@ const machine_t machines[] = {
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.cpu = {
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.package = CPU_PKG_SOCKET5_7,
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.block = CPU_BLOCK_NONE,
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.min_bus = 66666667,
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.min_bus = 60000000,
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.max_bus = 100000000,
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.min_voltage = 2000,
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.max_voltage = 3520,
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@@ -14455,7 +14455,7 @@ const machine_t machines[] = {
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.ram = {
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.min = 8192,
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.max = 786432,
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.step = 1024
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.step = 8192
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},
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.nvrmask = 255,
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.kbc_device = NULL,
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@@ -15027,7 +15027,7 @@ const machine_t machines[] = {
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.bus_flags = MACHINE_PS2_AGP | MACHINE_BUS_USB,
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.flags = MACHINE_IDE_DUAL | MACHINE_APM | MACHINE_ACPI | MACHINE_GAMEPORT | MACHINE_USB, /* Machine has internal sound: C-Media CMI8330 */
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.ram = {
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.min = 1024,
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.min = 8192,
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.max = 1572864,
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.step = 8192
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},
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@@ -16108,7 +16108,7 @@ const machine_t machines[] = {
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.ram = {
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.min = 8192,
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.max = 1572864,
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.step = 1024
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.step = 8192
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},
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.nvrmask = 255,
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.kbc_device = NULL,
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@@ -16148,7 +16148,7 @@ const machine_t machines[] = {
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.ram = {
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.min = 8192,
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.max = 1572864,
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.step = 1024
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.step = 8192
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},
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.nvrmask = 255,
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.kbc_device = NULL,
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@@ -16909,7 +16909,7 @@ const machine_t machines[] = {
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.ram = {
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.min = 8192,
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.max = 1572864,
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.step = 1024
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.step = 8192
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},
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.nvrmask = 255,
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.kbc_device = NULL,
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