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Changes to add ISA/PCI/VLB versions of 'external' IDE controllers.

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This commit is contained in:
waltje
2017-12-16 00:02:13 -05:00
parent 69186cfb54
commit 3a32bda6dc
3 changed files with 83 additions and 8 deletions
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71
src/disk/hdc_ide.c
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@@ -9,7 +9,7 @@
* Implementation of the IDE emulation for hard disks and ATAPI
* CD-ROM devices.
*
* Version: @(#)hdc_ide.c 1.0.21 2017/12/09
* Version: @(#)hdc_ide.c 1.0.22 2017/12/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -2426,3 +2426,72 @@ void secondary_ide_check(void)
}
if (!secondary_cdroms) ide_sec_disable();
}
/*
* Initialization of standalone IDE controller instance.
*
* Eventually, we should clean up the whole mess by only
* using device_t units, with configuration parameters to
* indicate primary/secondary and all that, rather than
* keeping a zillion of duplicate functions around.
*/
static void *
ide_sainit(device_t *info)
{
switch(info->local) {
case 0: /* ISA, single-channel */
ide_pri_enable();
ide_bus_master_read = ide_bus_master_write = NULL;
timer_add(ide_callback_pri, &idecallback[0], &idecallback[0], NULL);
break;
case 1: /* VLB, single-channel */
ide_pri_enable();
ide_bus_master_read = ide_bus_master_write = NULL;
timer_add(ide_callback_pri, &idecallback[0], &idecallback[0], NULL);
break;
case 2: /* PCI, single-channel */
ide_pri_enable();
timer_add(ide_callback_pri, &idecallback[0], &idecallback[0], NULL);
break;
}
return(info);
}
/* Close a standalone IDE unit. */
static void
ide_saclose(void *priv)
{
}
device_t ide_isa_device = {
"ISA PC/AT IDE Controller",
DEVICE_ISA | DEVICE_AT,
0,
ide_sainit, ide_saclose, NULL,
NULL, NULL, NULL, NULL,
NULL
};
device_t ide_pci_device = {
"PCI IDE Controller",
DEVICE_PCI | DEVICE_AT,
2,
ide_sainit, ide_saclose, NULL,
NULL, NULL, NULL, NULL,
NULL
};
device_t ide_vlb_device = {
"VLB IDE Controller",
DEVICE_VLB | DEVICE_AT,
1,
ide_sainit, ide_saclose, NULL,
NULL, NULL, NULL, NULL,
NULL
};