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Merged the ALi M1217 into the M6117 (that's based on the M1217), moved the M6117 out of the Dev branch, removed the broken M6117 Acrosser, and added three M1217 machines. This finishes the ALi work.

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This commit is contained in:
OBattler
2021-08-05 18:16:17 +02:00
parent 5b867e6a32
commit 5ecf3ac6cb
8 changed files with 102 additions and 195 deletions
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8
src/chipset/CMakeLists.txt
View File

@@ -13,8 +13,8 @@
# Copyright 2020,2021 David Hrdlička.
#
add_library(chipset OBJECT acc2168.c cs8230.c ali1217.c ali1429.c ali1489.c ali1531.c ali1541.c
ali1543.c ali1621.c headland.c intel_82335.c contaq_82c59x.c cs4031.c intel_420ex.c
add_library(chipset OBJECT acc2168.c cs8230.c ali1429.c ali1489.c ali1531.c ali1541.c ali1543.c
ali1621.c ali6117.c headland.c intel_82335.c contaq_82c59x.c cs4031.c intel_420ex.c
intel_4x0.c intel_sio.c intel_piix.c ../ioapic.c neat.c opti283.c opti291.c opti391.c
opti495.c opti822.c opti895.c opti5x7.c scamp.c scat.c sis_85c310.c sis_85c4xx.c
sis_85c496.c sis_85c50x.c sis_5511.c sis_5571.c via_vt82c49x.c via_vt82c505.c sis_85c310.c
@@ -25,10 +25,6 @@ if(I450KX)
target_sources(chipset PRIVATE intel_i450kx.c)
endif()
if(M6117)
target_sources(chipset PRIVATE ali6117.c)
endif()
if(OLIVETTI)
target_sources(chipset PRIVATE olivetti_eva.c)
endif()

145
src/chipset/ali1217.c
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@@ -1,145 +0,0 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Implementation of the ALi M1217 chipset.
*
* Note: This chipset has no datasheet, everything were done via
* reverse engineering the BIOS of various machines using it.
*
* Authors: Tiseno100
*
* Copyright 2021 Tiseno100
*
*/
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#define HAVE_STDARG_H
#include <86box/86box.h>
#include "cpu.h"
#include <86box/timer.h>
#include <86box/io.h>
#include <86box/device.h>
#include <86box/mem.h>
#include <86box/port_92.h>
#include <86box/chipset.h>
#ifdef ENABLE_ALI1217_LOG
int ali1217_do_log = ENABLE_ALI1217_LOG;
static void
ali1217_log(const char *fmt, ...)
{
va_list ap;
if (ali1217_do_log)
{
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
#else
#define ali1217_log(fmt, ...)
#endif
typedef struct
{
uint8_t index, regs[256];
int cfg_locked;
} ali1217_t;
static void ali1217_shadow_recalc(int reg_15, ali1217_t *dev)
{
for (uint8_t i = 0; i < 4; i++)
mem_set_mem_state_both((reg_15 ? 0xe0000 : 0xc0000) + (i << 15), 0x8000, ((dev->regs[0x14 + reg_15] & (1 << (i * 2))) ? MEM_READ_INTERNAL : MEM_READ_EXTANY) | ((dev->regs[0x14 + reg_15] & (1 << ((i * 2) + 1))) ? MEM_WRITE_INTERNAL : MEM_WRITE_EXTANY));
flushmmucache_nopc();
}
static void
ali1217_write(uint16_t addr, uint8_t val, void *priv)
{
ali1217_t *dev = (ali1217_t *)priv;
switch (addr)
{
case 0x22:
dev->index = val;
break;
case 0x23:
if (dev->index != 0x13)
ali1217_log("ALi M1217: dev->regs[%02x] = %02x\n", dev->index, val);
else
dev->cfg_locked = !(val == 0xc5);
if (!dev->cfg_locked)
{
dev->regs[dev->index] = val;
if ((dev->index == 0x14) || (dev->index == 0x15))
ali1217_shadow_recalc(dev->index & 1, dev);
}
break;
}
}
static uint8_t
ali1217_read(uint16_t addr, void *priv)
{
ali1217_t *dev = (ali1217_t *)priv;
return (addr == 0x23) ? dev->regs[dev->index] : 0xff;
}
static void
ali1217_close(void *priv)
{
ali1217_t *dev = (ali1217_t *)priv;
free(dev);
}
static void *
ali1217_init(const device_t *info)
{
ali1217_t *dev = (ali1217_t *)malloc(sizeof(ali1217_t));
memset(dev, 0, sizeof(ali1217_t));
device_add(&port_92_device);
dev->cfg_locked = 1;
/*
ALi M1217 Ports
22h Index Port
23h Data Port
*/
io_sethandler(0x0022, 0x0002, ali1217_read, NULL, NULL, ali1217_write, NULL, NULL, dev);
return dev;
}
const device_t ali1217_device = {
"ALi M1217",
0,
0,
ali1217_init,
ali1217_close,
NULL,
{NULL},
NULL,
NULL,
NULL};

43
src/chipset/ali6117.c
View File

@@ -109,7 +109,7 @@ ali6117_recalcmapping(ali6117_t *dev)
}
}
flushmmucache();
flushmmucache_nopc();
}
@@ -127,12 +127,16 @@ ali6117_reg_write(uint16_t addr, uint8_t val, void *priv)
else if (dev->unlocked) {
ali6117_log("ALI6117: regs[%02X] = %02X\n", dev->reg_offset, val);
switch (dev->reg_offset) {
if (!(dev->local & 0x08) || (dev->reg_offset < 0x30)) switch (dev->reg_offset) {
case 0x30: case 0x34: case 0x35: case 0x3e:
case 0x3f: case 0x46: case 0x4c: case 0x6a:
case 0x73:
return; /* read-only registers */
case 0x10:
refresh_at_enable = !(val & 0x02) || !!(dev->regs[0x20] & 0x80);
break;
case 0x12:
val &= 0xf7;
/* FALL-THROUGH */
@@ -184,7 +188,7 @@ ali6117_reg_write(uint16_t addr, uint8_t val, void *priv)
case 0x20:
val &= 0xbf;
refresh_at_enable = !!(val & 0x80);
refresh_at_enable = !(dev->regs[0x10] & 0x02) || !!(val & 0x80);
break;
case 0x31:
@@ -311,13 +315,17 @@ ali6117_reset(void *priv)
dev->regs[0x1b] = 0xf0;
dev->regs[0x1d] = 0xff;
dev->regs[0x20] = 0x80;
dev->regs[0x30] = 0x08;
dev->regs[0x31] = 0x01;
dev->regs[0x34] = 0x04; /* enable internal RTC */
dev->regs[0x35] = 0x20; /* enable internal KBC */
dev->regs[0x36] = dev->local & 0x4; /* M6117D ID */
if (dev->local & 0x08) {
dev->regs[0x30] = 0x08;
dev->regs[0x31] = 0x01;
dev->regs[0x34] = 0x04; /* enable internal RTC */
dev->regs[0x35] = 0x20; /* enable internal KBC */
dev->regs[0x36] = dev->local & 0x07; /* M6117D ID */
}
cpu_set_isa_speed(7159091);
refresh_at_enable = 1;
}
@@ -361,13 +369,28 @@ ali6117_init(const device_t *info)
ali6117_setup(dev);
ali6117_reset(dev);
pic_elcr_io_handler(0);
refresh_at_enable = 0;
if (!(dev->local & 0x08))
pic_elcr_io_handler(0);
return dev;
}
const device_t ali1217_device =
{
"ALi M1217",
DEVICE_AT,
0x8,
ali6117_init,
ali6117_close,
ali6117_reset,
{ NULL },
NULL,
NULL,
NULL
};
const device_t ali6117d_device =
{
"ALi M6117D",