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Generalized the sim_disk layer to support large file disk devices (simh, VHD and RAW formats) with out requiring USE_ADDR64, and enhanced the pdp11_rq device to use this capability.

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This commit is contained in:
Mark Pizzolato
2013-03-17 12:02:43 -07:00
parent 60e855807f
commit 2e5b0d54c6
10 changed files with 145 additions and 128 deletions
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16
PDP11/pdp11_rq.c
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@@ -654,7 +654,7 @@ struct drvtyp {
d##_GPC, d##_XBN, d##_DBN, d##_LBN, \
d##_RCTS, d##_RCTC, d##_RBN, d##_MOD, \
d##_MED, d##_FLGS
#define RQ_SIZE(d) (d##_LBN * RQ_NUMBY)
#define RQ_SIZE(d) d##_LBN
static struct drvtyp drv_tab[] = {
{ RQ_DRV (RX50), "RX50" },
@@ -1011,7 +1011,7 @@ DEVICE rq_dev = {
RQ_NUMDR + 2, DEV_RDX, T_ADDR_W, 2, DEV_RDX, 16,
NULL, NULL, &rq_reset,
&rq_boot, &rq_attach, &rq_detach,
&rq_dib, DEV_DISABLE | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK,
&rq_dib, DEV_DISABLE | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK | DEV_SECTORS,
0, rq_debug, NULL, NULL, &rq_help, NULL, NULL,
&rq_description
};
@@ -1086,7 +1086,7 @@ DEVICE rqb_dev = {
RQ_NUMDR + 2, DEV_RDX, T_ADDR_W, 2, DEV_RDX, 16,
NULL, NULL, &rq_reset,
&rq_boot, &rq_attach, &rq_detach,
&rqb_dib, DEV_DISABLE | DEV_DIS | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK,
&rqb_dib, DEV_DISABLE | DEV_DIS | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK | DEV_SECTORS,
0, rq_debug, NULL, NULL, &rq_help, NULL, NULL,
&rq_description
};
@@ -1161,7 +1161,7 @@ DEVICE rqc_dev = {
RQ_NUMDR + 2, DEV_RDX, T_ADDR_W, 2, DEV_RDX, 16,
NULL, NULL, &rq_reset,
&rq_boot, &rq_attach, &rq_detach,
&rqc_dib, DEV_DISABLE | DEV_DIS | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK,
&rqc_dib, DEV_DISABLE | DEV_DIS | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK | DEV_SECTORS,
0, rq_debug, NULL, NULL, &rq_help, NULL, NULL,
&rq_description
};
@@ -1236,7 +1236,7 @@ DEVICE rqd_dev = {
RQ_NUMDR + 2, DEV_RDX, T_ADDR_W, 2, DEV_RDX, 16,
NULL, NULL, &rq_reset,
&rq_boot, &rq_attach, &rq_detach,
&rqd_dib, DEV_DISABLE | DEV_DIS | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK,
&rqd_dib, DEV_DISABLE | DEV_DIS | DEV_UBUS | DEV_QBUS | DEV_DEBUG | DEV_DISK | DEV_SECTORS,
0, rq_debug, NULL, NULL, &rq_help, NULL, NULL,
&rq_description
};
@@ -1915,7 +1915,7 @@ int32 rq_rw_valid (MSC *cp, int32 pkt, UNIT *uptr, uint32 cmd)
uint32 dtyp = GET_DTYPE (uptr->flags); /* get drive type */
uint32 lbn = GETP32 (pkt, RW_LBNL); /* get lbn */
uint32 bc = GETP32 (pkt, RW_BCL); /* get byte cnt */
uint32 maxlbn = (uint32) (uptr->capac / RQ_NUMBY); /* get max lbn */
uint32 maxlbn = (uint32)uptr->capac; /* get max lbn */
if ((uptr->flags & UNIT_ATT) == 0) /* not attached? */
return (ST_OFL | SB_OFL_NV); /* offl no vol */
@@ -2549,7 +2549,7 @@ return;
void rq_putr_unit (MSC *cp, int32 pkt, UNIT *uptr, uint32 lu, t_bool all)
{
uint32 dtyp = GET_DTYPE (uptr->flags); /* get drive type */
uint32 maxlbn = (uint32) (uptr->capac / RQ_NUMBY); /* get max lbn */
uint32 maxlbn = (uint32)uptr->capac; /* get max lbn */
sim_debug (DBG_TRC, rq_devmap[cp->cnum], "rq_putr_unit\n");
@@ -2723,7 +2723,7 @@ if (cptr) {
drv_tab[val].lbn = cap;
}
uptr->flags = (uptr->flags & ~UNIT_DTYPE) | (val << UNIT_V_DTYPE);
uptr->capac = ((t_addr) drv_tab[val].lbn) * RQ_NUMBY;
uptr->capac = (t_addr)drv_tab[val].lbn;
return SCPE_OK;
}