80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

Merge pull request #1167 from richardg867/master

Browse Source 
Miscellaneous fixes
This commit is contained in:
Miran Grča
2020-12-11 23:01:27 +01:00
committed by GitHub
parent b3db0974ad c6895ccad6
commit c574dc1bf2
4 changed files with 52 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
src/cpu/cpu.c
View File

@@ -370,32 +370,47 @@ cpu_is_eligible(const cpu_family_t *cpu_family, int cpu, int machine)
if (machine_s->cpu_max_voltage && (cpu_s->voltage > (machine_s->cpu_max_voltage + 100))) /* maximum voltage with 0.1V tolerance */
return 0;
/* Account for CPUs that use a different internal multiplier than specified by jumpers. */
/* Account for CPUs which use a different internal multiplier than specified by jumpers. */
double multi = cpu_s->multi;
if (cpu_s->cpu_flags & CPU_FIXED_MULTIPLIER) {
multi = machine_s->cpu_min_multi;
return 1; /* don't care about multiplier compatibility on fixed multiplier CPUs */
} else if (cpu_family->package & CPU_PKG_SOCKET5_7) {
if (multi == 1.75) /* K5 */
if ((multi == 1.5) && (cpu_s->cpu_type & CPU_5K86) && (machine_s->cpu_min_multi > 1.5)) /* K5 5k86 */
multi = 2.0;
else if (multi == 1.75) /* K5 5k86 */
multi = 2.5;
else if ((multi == 2.0) && (cpu_s->cpu_type & CPU_5K86)) /* K5 */
multi = 3.0;
else if ((multi == 2.0) && (cpu_s->cpu_type & (CPU_K6_2P | CPU_K6_3P))) /* K6-2+ / K6-3+ */
multi = 2.5;
else if (multi == (7.0 / 3.0)) /* WinChip 2A */
else if (multi == 2.0) {
if (cpu_s->cpu_type & CPU_5K86) /* K5 5k86 */
multi = 3.0;
else if (cpu_s->cpu_type & (CPU_K6_2P | CPU_K6_3P)) /* K6-2+ / K6-3+ */
multi = 2.5;
else if ((cpu_s->cpu_type & (CPU_WINCHIP | CPU_WINCHIP2)) && (machine_s->cpu_min_multi > 2.0)) /* WinChip (2) */
multi = 2.5;
}
else if (multi == (7.0 / 3.0)) /* WinChip 2A - 2.33x */
multi = 5.0;
else if (multi == (8.0 / 3.0)) /* WinChip 2A */
else if (multi == (8.0 / 3.0)) /* WinChip 2A - 2.66x */
multi = 5.5;
else if ((multi == 3.0) && (cpu_s->cpu_type & (CPU_Cx6x86 | CPU_Cx6x86L))) /* 6x86(L) */
multi = 1.5;
else if (multi == (10.0 / 3.0)) /* WinChip 2A */
else if (multi == (10.0 / 3.0)) /* WinChip 2A - 3.33x */
multi = 2.0;
else if (multi == 3.5) /* standard set by the Pentium MMX */
else if ((multi == 3.5) && (machine_s->cpu_min_multi < 3.5)) /* standard set by the Pentium MMX */
multi = 1.5;
else if ((multi == 4.0) && (cpu_s->cpu_type & (CPU_WINCHIP | CPU_WINCHIP2))) /* WinChip (2) */
multi = 1.5;
else if ((multi == 4.0) && (cpu_s->cpu_type & (CPU_Cx6x86 | CPU_Cx6x86L))) /* 6x86(L) */
multi = 3.0;
else if (multi == 6.0) /* K6-2 */
else if (multi == 4.0) {
if (cpu_s->cpu_type & (CPU_WINCHIP | CPU_WINCHIP2)) { /* WinChip (2) */
if (machine_s->cpu_min_multi >= 1.5)
multi = 1.5;
else if (machine_s->cpu_min_multi >= 3.5)
multi = 3.5;
else if (machine_s->cpu_min_multi >= 4.5)
multi = 4.5;
} else if (cpu_s->cpu_type & (CPU_Cx6x86 | CPU_Cx6x86L)) /* 6x86(L) */
multi = 3.0;
}
else if ((multi == 5.0) && (cpu_s->cpu_type & (CPU_WINCHIP | CPU_WINCHIP2)) && (machine_s->cpu_min_multi > 5.0)) /* WinChip (2) */
multi = 5.5;
else if ((multi == 6.0) && (machine_s->cpu_max_multi < 6.0)) /* K6-2(+) / K6-3(+) */
multi = 2.0;
}

4
src/machine/machine_table.c
View File

@@ -240,7 +240,7 @@ const machine_t machines[] = {
{ "[i430LX] Packard Bell PB520R", "pb520r", MACHINE_TYPE_SOCKET4, CPU_PKG_SOCKET4, 0, 60000000, 66666667, 0, 0, MACHINE_MULTIPLIER_FIXED, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL | MACHINE_VIDEO, 8192, 139264, 2048, 127, machine_at_pb520r_init, at_pb520r_get_device },
/* OPTi 596/597 */
{ "[OPTi 597] AMI Excalibur VLB", "excalibur", MACHINE_TYPE_SOCKET4, CPU_PKG_SOCKET4, 0, 60000000, 66666667, 0, 0, 1.0, 1.0, MACHINE_VLB | MACHINE_IDE, 2048, 65536, 2048, 127, machine_at_excalibur_init, NULL },
{ "[OPTi 597] AMI Excalibur VLB", "excalibur", MACHINE_TYPE_SOCKET4, CPU_PKG_SOCKET4, 0, 60000000, 66666667, 0, 0, MACHINE_MULTIPLIER_FIXED, MACHINE_VLB | MACHINE_IDE, 2048, 65536, 2048, 127, machine_at_excalibur_init, NULL },
/* Socket 5 machines */
/* 430NX */
@@ -273,7 +273,7 @@ const machine_t machines[] = {
{ "[i430HX] Biostar MB-8500TUC", "8500tuc", MACHINE_TYPE_SOCKET7_3V, CPU_PKG_SOCKET5_7, 0, 50000000, 66666667, 3380, 3520, 1.5, 3.0, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL, 8192, 524288, 8192, 127, machine_at_8500tuc_init, NULL },
{ "[i430HX] SuperMicro Super P55T2S", "p55t2s", MACHINE_TYPE_SOCKET7_3V, CPU_PKG_SOCKET5_7, 0, 50000000, 66666667, 3300, 3520, 1.5, 3.0, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL, 8192, 786432, 8192, 127, machine_at_p55t2s_init, NULL },
{ "[i430HX] Acer V35N", "acerv35n", MACHINE_TYPE_SOCKET7, CPU_PKG_SOCKET5_7, 0, 50000000, 66666667, 2800, 3520, 1.5, 3.0, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL, 8192, 196608, 8192, 127, machine_at_acerv35n_init, NULL },
{ "[i430HX] Acer V35N", "acerv35n", MACHINE_TYPE_SOCKET7, CPU_PKG_SOCKET5_7, CPU_Cx6x86MX, 50000000, 66666667, 2800, 3520, 1.5, 3.0, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL, 8192, 196608, 8192, 127, machine_at_acerv35n_init, NULL },
{ "[i430HX] ASUS P/I-P55T2P4", "p55t2p4", MACHINE_TYPE_SOCKET7, CPU_PKG_SOCKET5_7, 0, 50000000, 83333333, 2500, 3520, 1.5, 3.0, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL, 8192, 262144, 8192, 127, machine_at_p55t2p4_init, NULL },
{ "[i430HX] Micronics M7S-Hi", "m7shi", MACHINE_TYPE_SOCKET7, CPU_PKG_SOCKET5_7, 0, 50000000, 66666667, 2800, 3520, 1.5, 3.0, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL, 8192, 131072, 8192, 511, machine_at_m7shi_init, NULL },
{ "[i430HX] Intel TC430HX", "tc430hx", MACHINE_TYPE_SOCKET7, CPU_PKG_SOCKET5_7, 0, 50000000, 66666667, 2800, 3520, 1.5, 3.0, MACHINE_PCI | MACHINE_BUS_PS2 | MACHINE_IDE_DUAL, 8192, 131072, 8192, 255, machine_at_tc430hx_init, NULL },

15
src/mem/i2c_eeprom.c
View File

@@ -110,6 +110,17 @@ i2c_eeprom_write(void *bus, uint8_t addr, uint8_t data, void *priv)
}
static void
i2c_eeprom_stop(void *bus, uint8_t addr, void *priv)
{
i2c_eeprom_t *dev = (i2c_eeprom_t *) priv;
i2c_eeprom_log("I2C EEPROM %s %02X: stop()\n", i2c_getbusname(dev->i2c), dev->addr);
dev->addr_pos = 0;
}
uint8_t
log2i(uint32_t i)
{
@@ -142,7 +153,7 @@ i2c_eeprom_init(void *i2c, uint8_t addr, uint8_t *data, uint32_t size, uint8_t w
dev->addr_len = (size >= 4096) ? 16 : 8; /* use 16-bit addresses on 24C32 and above */
dev->addr_mask = size - 1;
i2c_sethandler(dev->i2c, dev->addr & ~(dev->addr_mask >> dev->addr_len), (dev->addr_mask >> dev->addr_len) + 1, i2c_eeprom_start, i2c_eeprom_read, i2c_eeprom_write, NULL, dev);
i2c_sethandler(dev->i2c, dev->addr & ~(dev->addr_mask >> dev->addr_len), (dev->addr_mask >> dev->addr_len) + 1, i2c_eeprom_start, i2c_eeprom_read, i2c_eeprom_write, i2c_eeprom_stop, dev);
return dev;
}
@@ -155,7 +166,7 @@ i2c_eeprom_close(void *dev_handle)
i2c_eeprom_log("I2C EEPROM %s %02X: close()\n", i2c_getbusname(dev->i2c), dev->addr);
i2c_removehandler(dev->i2c, dev->addr & ~(dev->addr_mask >> dev->addr_len), (dev->addr_mask >> dev->addr_len) + 1, i2c_eeprom_start, i2c_eeprom_read, i2c_eeprom_write, NULL, dev);
i2c_removehandler(dev->i2c, dev->addr & ~(dev->addr_mask >> dev->addr_len), (dev->addr_mask >> dev->addr_len) + 1, i2c_eeprom_start, i2c_eeprom_read, i2c_eeprom_write, i2c_eeprom_stop, dev);
free(dev);
}

23
src/video/vid_ati_mach64.c
View File

@@ -1741,7 +1741,6 @@ static void mach64_vblank_start(svga_t *svga)
uint8_t mach64_ext_readb(uint32_t addr, void *p)
{
mach64_t *mach64 = (mach64_t *)p;
uint8_t gpio_state;
uint8_t ret = 0xff;
if (!(addr & 0x400))
@@ -1878,18 +1877,11 @@ uint8_t mach64_ext_readb(uint32_t addr, void *p)
case 0xc7:
READ8(addr, mach64->dac_cntl);
if (mach64->type == MACH64_VT2) {
gpio_state = 6;
if ((ret & (1 << 4)) && !(ret & (1 << 1)))
gpio_state &= ~(1 << 1);
if (!(ret & (1 << 4)) && !i2c_gpio_get_sda(mach64->i2c))
gpio_state &= ~(1 << 1);
if ((ret & (1 << 5)) && !(ret & (1 << 2)))
gpio_state &= ~(1 << 2);
if (!(ret & (1 << 5)) && !i2c_gpio_get_scl(mach64->i2c))
gpio_state &= ~(1 << 2);
ret = (ret & ~6) | gpio_state;
ret &= 0xf9;
if (i2c_gpio_get_scl(mach64->i2c))
ret |= 0x04;
if (i2c_gpio_get_sda(mach64->i2c))
ret |= 0x02;
}
break;
@@ -2190,7 +2182,6 @@ void mach64_ext_writeb(uint32_t addr, uint8_t val, void *p)
{
mach64_t *mach64 = (mach64_t *)p;
svga_t *svga = &mach64->svga;
int data, clk;
mach64_log("mach64_ext_writeb : addr %08X val %02X\n", addr, val);
@@ -2382,9 +2373,7 @@ void mach64_ext_writeb(uint32_t addr, uint8_t val, void *p)
WRITE8(addr, mach64->dac_cntl, val);
svga_set_ramdac_type(svga, (mach64->dac_cntl & 0x100) ? RAMDAC_8BIT : RAMDAC_6BIT);
ati68860_set_ramdac_type(mach64->svga.ramdac, (mach64->dac_cntl & 0x100) ? RAMDAC_8BIT : RAMDAC_6BIT);
data = (val & (1 << 4)) ? ((val & (1 << 1)) ? 1 : 0) : 1;
clk = (val & (1 << 5)) ? ((val & (1 << 2)) ? 1 : 0) : 1;
i2c_gpio_set(mach64->i2c, clk, data);
i2c_gpio_set(mach64->i2c, !(mach64->dac_cntl & 0x20000000) || (mach64->dac_cntl & 0x04000000), !(mach64->dac_cntl & 0x10000000) || (mach64->dac_cntl & 0x02000000));
break;
case 0xd0: case 0xd1: case 0xd2: case 0xd3: