blob: d63b1b14c2b4a730c868e7fa59e4a293b8e396ca [file] [log] [blame] [raw]
/* id32_dboot.c: Interdata 32b simulator disk bootstrap
Copyright (c) 2000-2008, Robert M. Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of Robert M Supnik shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Robert M Supnik.
17-Jul-06 RMS Fixed transcription errors (Davis Johnson)
17-Feb-03 RMS Fixed for UNIX bootstrap, upper platter bootstrap
*/
#include "id_defs.h"
#define DBOOT_BEG 0x1000
#define DBOOT_START 0x100E
#define DBOOT_LEN (sizeof (dboot_rom) / sizeof (uint8))
/* Transcribed from 32b Bootstrap Loader, 03-074N81R03A13 */
static uint8 dboot_rom[] = {
0xca, 0xf0, 0x00, 0x30,
0xc5, 0xf0, 0x00, 0x3a,
0x02, 0x8e,
0x26, 0xf7,
0x03, 0x0e,
0xe6, 0xd0, 0x0f, 0x30,
0xd1, 0xe0, 0x00, 0x78,
0xd0, 0xed, 0x03, 0x40,
0xd3, 0xf0, 0x00, 0x7e,
0xc4, 0xf0, 0x00, 0x0f,
0x41, 0xed, 0x00, 0xd0,
0xd2, 0xfd, 0x03, 0x25,
0xd3, 0xf0, 0x00, 0x7f,
0x10, 0xf4,
0x41, 0xed, 0x00, 0xd0,
0xd2, 0xfd, 0x03, 0x26,
0xd3, 0xf0, 0x00, 0x7f,
0xc4, 0xf0, 0x00, 0x0f,
0x41, 0xed, 0x00, 0xd0,
0xd2, 0xfd, 0x03, 0x27,
0xd3, 0x20, 0x00, 0x7d,
0xd3, 0x30, 0x00, 0x7c,
0xd3, 0x40, 0x00, 0x7a,
0x24, 0x50,
0xd3, 0xf0, 0x00, 0x7b,
0xcb, 0xf0, 0x00, 0x33,
0x23, 0x23,
0x11, 0xf1,
0x08, 0x5f,
0xe6, 0x7d, 0x03, 0x50,
0xe6, 0x8d, 0x04, 0x4f,
0x07, 0xcc,
0x41, 0xed, 0x01, 0xfc,
0xd1, 0xed, 0x03, 0x5c,
0xd0, 0xed, 0x03, 0x48,
0x58, 0xcd, 0x03, 0x58,
0x43, 0x3d, 0x01, 0x9c,
0xe6, 0x7d, 0x03, 0x50,
0x41, 0xed, 0x01, 0xfc,
0xe6, 0xed, 0x03, 0x54,
0x24, 0x15,
0xf8, 0xf0, 0x4f, 0x53, 0x33, 0x32,
0xd3, 0x7e, 0x00, 0x24,
0xc3, 0x70, 0x00, 0x10,
0x23, 0x3e,
0xc3, 0x70, 0x00, 0xe0,
0x21, 0x3b,
0x55, 0xfe, 0x00, 0x00,
0x21, 0x38,
0x58, 0x6e, 0x00, 0x08,
0x10, 0x68,
0x55, 0x6d, 0x03, 0x24,
0x43, 0x3d, 0x01, 0xb2,
0xca, 0xe0, 0x00, 0x30,
0x27, 0x11,
0x42, 0x3d, 0x01, 0x66,
0x58, 0xcd, 0x03, 0x50,
0x42, 0x3d, 0x01, 0x52,
0x48, 0x10, 0x00, 0x7e,
0x42, 0x3d, 0x02, 0xf0,
0x58, 0xcd, 0x03, 0x48,
0x43, 0x3d, 0x02, 0xf0,
0x58, 0x8d, 0x03, 0x4c,
0x23, 0x07,
0x58, 0xce, 0x00, 0x0c,
0x58, 0x8e, 0x00, 0x10,
0x0b, 0x8c,
0x26, 0xc1,
0x11, 0x88,
0x08, 0x18,
0xe6, 0xf0, 0x11, 0x18,
0x58, 0x0f, 0x00, 0x00,
0x50, 0x01, 0x00, 0x00,
0x59, 0x01, 0x00, 0x00,
0x42, 0x3d, 0x03, 0x08,
0x26, 0xf4,
0x26, 0x14,
0xc5, 0xf0, 0x12, 0x78,
0x20, 0x8c,
0x08, 0xd8,
0xcb, 0xd0, 0x01, 0xe8,
0x03, 0x08,
0x27, 0x81,
0x07, 0x77,
0x41, 0xed, 0x01, 0xfc,
0xd1, 0xed, 0x03, 0x40,
0xd0, 0xe0, 0x00, 0x78,
0x43, 0x00, 0x00, 0x60,
0xde, 0x2d, 0x03, 0x28,
0x08, 0x0c,
0x4d, 0x0d, 0x45, 0x00, 0x03, 0x30,
0x08, 0x91,
0x4d, 0x0d, 0x45, 0x00, 0x03, 0x38,
0x08, 0xa1,
0x08, 0xb0,
0x08, 0x55,
0x42, 0x2d, 0x02, 0x4a,
0xde, 0x3d, 0x03, 0x28,
0x9d, 0x3f,
0x22, 0x21,
0x9d, 0x4f,
0x42, 0x1d, 0x02, 0xf4,
0xc3, 0xf0, 0x00, 0x10,
0x20, 0x35,
0x11, 0xa5,
0x06, 0xba,
0x98, 0x49,
0xde, 0x4d, 0x03, 0x2b,
0x9d, 0x3f,
0x22, 0x21,
0x9d, 0x4f,
0x42, 0x7d, 0x02, 0xf8,
0x20, 0x83,
0x41, 0x6d, 0x02, 0x96,
0x22, 0x0b,
0x9d, 0x4f,
0xc3, 0xf0, 0x00, 0x19,
0x42, 0x3d, 0x02, 0xfc,
0xde, 0x4d, 0x03, 0x2c,
0x9d, 0x3f,
0x22, 0x21,
0x98, 0x49,
0xde, 0x4d, 0x03, 0x2e,
0x9d, 0x3f,
0x22, 0x21,
0xde, 0x4d, 0x03, 0x2d,
0x9d, 0x3f,
0x22, 0x21,
0x98, 0x4a,
0xde, 0x4d, 0x03, 0x2f,
0x9d, 0x3f,
0x22, 0x21,
0xde, 0x4d, 0x03, 0x2b,
0x9d, 0x3f,
0x22, 0x21,
0x9d, 0x4f,
0x20, 0x81,
0xc3, 0xf0, 0x00, 0x53,
0x42, 0x3d, 0x03, 0x00,
0x08, 0xfa,
0x11, 0xfa,
0x06, 0xf9,
0xe6, 0x6d, 0x02, 0x54,
0x34, 0x77,
0x9a, 0x27,
0x34, 0x77,
0x98, 0x27,
0x34, 0x88,
0x9a, 0x28,
0x34, 0x88,
0x98, 0x28,
0x08, 0x55,
0x21, 0x24,
0x98, 0x49,
0x9a, 0x3b,
0x23, 0x03,
0x9a, 0x3b,
0x98, 0x3f,
0xde, 0x3d, 0x03, 0x2a,
0xde, 0x2d, 0x03, 0x29,
0x9d, 0x2f,
0x20, 0x81,
0xde, 0x2d, 0x03, 0x28,
0x9b, 0x20,
0x99, 0x21,
0x34, 0x00,
0x06, 0x01,
0xde, 0x2d, 0x03, 0x28,
0x9d, 0x3f,
0x22, 0x21,
0x42, 0x1d, 0x03, 0x04,
0xc3, 0xf0, 0x00, 0x10,
0x03, 0x3e,
0x0b, 0x07,
0x26, 0x04,
0xc4, 0x00, 0xff, 0x00,
0x0a, 0x70,
0x26, 0x91,
0x07, 0xaa,
0x07, 0xbb,
0x03, 0x06,
0x24, 0x11,
0x23, 0x0c,
0x24, 0x12,
0x23, 0x0a,
0x24, 0x13,
0x23, 0x08,
0x24, 0x14,
0x23, 0x06,
0x24, 0x15,
0x23, 0x04,
0x24, 0x16,
0x23, 0x02,
0x24, 0x17,
0x24, 0x01,
0xde, 0x0d, 0x03, 0x28,
0x9a, 0x01,
0xde, 0x0d, 0x03, 0x28,
0xd1, 0xed, 0x03, 0x40,
0xd0, 0xe0, 0x00, 0x78,
0x11, 0x0f,
0x95, 0x10,
0x22, 0x01,
0x00, 0x00, 0x00, 0x00,
0x48, 0x30,
0xc1, 0xc2,
0xc8, 0xc4,
0xd0, 0xe0,
0x00, 0x30,
0x01, 0x90,
0x01, 0x40,
0x04, 0xc0,
0x00, 0x18,
0x00, 0x14,
0x00, 0x40,
0x00, 0x40,
0x00
};
/* Lower memory setup
78 = binary input device address
79 = binary device input command
7A = disk device number
7B = device code
7C = disk controller address
7D = selector channel address
7E:7F = operating system extension (user specified)
*/
struct dboot_id {
const char *name;
uint32 sw;
uint32 cap;
uint32 dtype;
uint32 offset;
uint32 adder;
};
static struct dboot_id dboot_tab[] = {
{ "DP", 0, 2, 0x31, o_DP0, 0 },
{ "DP", SWMASK ('F'), 9, 0x32, o_DP0, o_DPF },
{ "DP", 0, 9, 0x33, o_DP0, 0 },
{ "DM", 0, 64, 0x35, o_ID0, 0 },
{ "DM", 0, 244, 0x36, o_ID0, 0 },
{ NULL }
};
t_stat id_dboot (int32 u, DEVICE *dptr)
{
extern DIB ttp_dib, sch_dib;
extern uint32 PC;
uint32 i, typ, ctlno, off, add, cap, sch_dev;
UNIT *uptr;
DIB *ddib = (DIB *) dptr->ctxt; /* get disk DIB */
ctlno = ddib->dno; /* get ctrl devno */
sch_dev = sch_dib.dno + ddib->sch; /* sch dev # */
uptr = dptr->units + u; /* get capacity */
cap = uptr->capac >> 20;
for (i = typ = 0; dboot_tab[i].name != NULL; i++) {
if ((strcmp (dboot_tab[i].name, dptr->name) == 0) &&
((dboot_tab[i].sw == 0) ||
(dboot_tab[i].sw & sim_switches)) &&
(dboot_tab[i].cap == cap)) {
typ = dboot_tab[i].dtype;
off = dboot_tab[i].offset;
add = dboot_tab[i].adder;
break;
}
}
if (typ == 0)
return SCPE_NOFNC;
IOWriteBlk (DBOOT_BEG, DBOOT_LEN, dboot_rom); /* copy boot */
IOWriteB (AL_DEV, ttp_dib.dno); /* bin input dev */
IOWriteB (AL_IOC, 0xa3);
IOWriteB (AL_DSKU, ctlno + ((u + 1) * off) + add); /* disk dev addr */
IOWriteB (AL_DSKT, typ); /* disk type */
IOWriteB (AL_DSKC, ctlno); /* disk ctl addr */
IOWriteB (AL_SCH, sch_dev);
PC = DBOOT_START;
return SCPE_OK;
}