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Command A5 is in fact the IBM PS/2 Load Security command, fixes the AMI Excalibur PCI Pentium.

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OBattler
2023-04-30 18:21:17 +02:00
parent 1eaa3830d3
commit 1057722efc
1 changed files with 18 additions and 10 deletions
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28
src/device/kbc_at.c
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@@ -808,6 +808,12 @@ write64_generic(void *priv, uint8_t val)
}
break;
case 0xa5: /* load security */
kbc_at_log("ATkbc: load security\n");
dev->wantdata = 1;
dev->state = STATE_KBC_PARAM;
return 0;
case 0xa7: /* disable auxiliary port */
if (dev->misc_flags & FLAG_PS2) {
kbc_at_log("ATkbc: disable auxiliary port\n");
@@ -1003,11 +1009,6 @@ write60_ami(void *priv, uint8_t val)
write_cmd(dev, val);
return 0;
case 0xa5: /* get extended controller RAM */
kbc_at_log("ATkbc: AMI - get extended controller RAM\n");
kbc_delay_to_ob(dev, dev->mem[val], 0, 0x00);
return 0;
case 0xaf: /* set extended controller RAM */
kbc_at_log("ATkbc: AMI - set extended controller RAM\n");
if (dev->command_phase == 1) {
@@ -1102,12 +1103,8 @@ write64_ami(void *priv, uint8_t val)
if (!(dev->misc_flags & FLAG_PS2)) {
kbc_at_log("ATkbc: AMI - write clock = high\n");
dev->misc_flags |= FLAG_CLOCK;
} else {
kbc_at_log("ATkbc: get extended controller RAM\n");
dev->wantdata = 1;
dev->state = STATE_KBC_PARAM;
return 0;
}
return 0;
case 0xa6: /* read clock */
if (!(dev->misc_flags & FLAG_PS2)) {
@@ -1604,6 +1601,17 @@ kbc_at_process_cmd(void *priv)
write_cmd(dev, dev->ib);
break;
case 0xa5: /* load security */
if (dev->misc_flags & FLAG_PS2) {
kbc_at_log("ATkbc: load security (%02X)\n", dev->ib);
if (dev->ib != 0x00) {
dev->wantdata = 1;
dev->state = STATE_KBC_PARAM;
}
}
break;
case 0xc7: /* set port1 bits */
kbc_at_log("ATkbc: Phoenix - set port1 bits\n");
dev->p1 |= dev->ib;