Added SiS 550x, 558x, 559x, (5)600, UMC UM8890, UMC UM8663 Super I/O Chips, UMC UM8673F and Winbond W83769F IDE Contollers, and a number of machines, and fixes to the UM888x 486 chipset.
This commit is contained in:
OBattler
185
src/chipset/sis_5581.c
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185
src/chipset/sis_5581.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 SiS 5581/5582 Pentium PCI/ISA Chipset.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2024 Miran Grca.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdint.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 <86box/device.h>
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#include <86box/io.h>
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#include <86box/timer.h>
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#include <86box/mem.h>
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#include <86box/nvr.h>
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#include <86box/apm.h>
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#include <86box/acpi.h>
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#include <86box/hdd.h>
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#include <86box/hdc.h>
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#include <86box/hdc_ide.h>
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#include <86box/hdc_ide_sff8038i.h>
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#include <86box/pci.h>
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#include <86box/pic.h>
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#include <86box/pit.h>
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#include <86box/pit_fast.h>
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#include <86box/plat.h>
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#include <86box/plat_unused.h>
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#include <86box/port_92.h>
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#include <86box/smram.h>
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#include <86box/spd.h>
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#include <86box/sis_55xx.h>
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#include <86box/chipset.h>
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#define ENABLE_SIS_5581_LOG 1
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#ifdef ENABLE_SIS_5581_LOG
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int sis_5581_do_log = ENABLE_SIS_5581_LOG;
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static void
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sis_5581_log(const char *fmt, ...)
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{
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va_list ap;
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if (sis_5581_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 sis_5581_log(fmt, ...)
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#endif
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typedef struct sis_5581_t {
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uint8_t nb_slot;
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uint8_t sb_slot;
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void *h2p;
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void *p2i;
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void *ide;
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void *usb;
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sis_55xx_common_t *sis;
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} sis_5581_t;
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static void
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sis_5581_write(int func, int addr, uint8_t val, void *priv)
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{
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const sis_5581_t *dev = (sis_5581_t *) priv;
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sis_5581_log("SiS 5581: [W] dev->pci_conf[%02X] = %02X\n", addr, val);
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if (func == 0x00)
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sis_5581_host_to_pci_write(addr, val, dev->h2p);
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}
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static uint8_t
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sis_5581_read(int func, int addr, void *priv)
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{
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const sis_5581_t *dev = (sis_5581_t *) priv;
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uint8_t ret = 0xff;
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if (func == 0x00)
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ret = sis_5581_host_to_pci_read(addr, dev->h2p);
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sis_5581_log("SiS 5581: [R] dev->pci_conf[%02X] = %02X\n", addr, ret);
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return ret;
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}
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static void
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sis_5582_write(int func, int addr, uint8_t val, void *priv)
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{
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const sis_5581_t *dev = (sis_5581_t *) priv;
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sis_5581_log("SiS 5582: [W] dev->pci_conf[%02X] = %02X\n", addr, val);
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switch (func) {
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case 0x00:
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sis_5513_pci_to_isa_write(addr, val, dev->p2i);
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break;
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case 0x01:
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sis_5513_ide_write(addr, val, dev->ide);
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break;
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case 0x02:
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sis_5572_usb_write(addr, val, dev->usb);
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break;
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}
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}
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static uint8_t
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sis_5582_read(int func, int addr, void *priv)
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{
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const sis_5581_t *dev = (sis_5581_t *) priv;
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uint8_t ret = 0xff;
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switch (func) {
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case 0x00:
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ret = sis_5513_pci_to_isa_read(addr, dev->p2i);
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break;
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case 0x01:
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ret = sis_5513_ide_read(addr, dev->ide);
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break;
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case 0x02:
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ret = sis_5572_usb_read(addr, dev->usb);
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break;
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}
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sis_5581_log("SiS 5582: [R] dev->pci_conf[%02X] = %02X\n", addr, ret);
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return ret;
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}
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static void
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sis_5581_close(void *priv)
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{
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sis_5581_t *dev = (sis_5581_t *) priv;
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free(dev);
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}
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static void *
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sis_5581_init(UNUSED(const device_t *info))
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{
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sis_5581_t *dev = (sis_5581_t *) calloc(1, sizeof(sis_5581_t));
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/* Device 0: SiS 5581 */
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pci_add_card(PCI_ADD_NORTHBRIDGE, sis_5581_read, sis_5581_write, dev, &dev->nb_slot);
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/* Device 1: SiS 5582 */
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pci_add_card(PCI_ADD_SOUTHBRIDGE, sis_5582_read, sis_5582_write, dev, &dev->sb_slot);
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dev->sis = device_add(&sis_55xx_common_device);
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dev->p2i = device_add_linked(&sis_5582_p2i_device, dev->sis);
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dev->h2p = device_add_linked(&sis_5581_h2p_device, dev->sis);
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dev->ide = device_add_linked(&sis_5582_ide_device, dev->sis);
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dev->usb = device_add_linked(&sis_5582_usb_device, dev->sis);
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return dev;
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}
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const device_t sis_5581_device = {
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.name = "SiS 5581",
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.internal_name = "sis_5581",
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.flags = DEVICE_PCI,
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.local = 0,
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.init = sis_5581_init,
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.close = sis_5581_close,
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.reset = NULL,
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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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