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DISK: Fix auto sizing and non auto sizing logic checks

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As reported in #581 and #565
This commit is contained in:
Mark Pizzolato 2018-07-19 23:33:09 -07:00
parent 15fd71b97c
commit 4487646946
1 changed files with 25 additions and 18 deletions
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43
sim_disk.c
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@ -1339,7 +1339,7 @@ t_offset (*size_function)(FILE *file);
t_stat (*storage_function)(FILE *file, uint32 *sector_size, uint32 *removable, uint32 *is_cdrom) = NULL;
t_bool created = FALSE, copied = FALSE;
t_bool auto_format = FALSE;
t_offset capac, filesystem_capac;
t_offset container_size, filesystem_size, current_unit_size;
if (uptr->flags & UNIT_DIS) /* disabled? */
return SCPE_UDIS;
@ -1750,16 +1750,17 @@ if (sim_switches & SWMASK ('K')) {
uptr->dynflags |= UNIT_DISK_CHK;
}
filesystem_capac = get_filesystem_size (uptr);
capac = size_function (uptr->fileref);
if (capac && (capac != (t_offset)-1)) {
filesystem_size = get_filesystem_size (uptr);
container_size = size_function (uptr->fileref);
current_unit_size = ((t_offset)uptr->capac)*ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1);
if (container_size && (container_size != (t_offset)-1)) {
if (dontautosize) {
t_addr saved_capac = uptr->capac;
if ((filesystem_capac != (t_offset)-1) &&
(filesystem_capac > (((t_offset)uptr->capac)*ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1)))) {
if ((filesystem_size != (t_offset)-1) &&
(filesystem_size > current_unit_size)) {
if (!sim_quiet) {
uptr->capac = (t_addr)(filesystem_capac/(ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1)));
uptr->capac = (t_addr)(filesystem_size/(ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1)));
sim_printf ("%s%d: The file system on the disk %s is larger than simulated device (%s > ", sim_dname (dptr), (int)(uptr-dptr->units), cptr, sprint_capac (dptr, uptr));
uptr->capac = saved_capac;
sim_printf ("%s)\n", sprint_capac (dptr, uptr));
@ -1767,10 +1768,11 @@ if (capac && (capac != (t_offset)-1)) {
sim_disk_detach (uptr);
return SCPE_OPENERR;
}
if ((capac < (((t_offset)uptr->capac)*ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1))) && (DKUF_F_STD != DK_GET_FMT (uptr))) {
if ((container_size < current_unit_size) &&
((DKUF_F_VHD == DK_GET_FMT (uptr)) || (0 != (uptr->flags & UNIT_RO)))) {
if (!sim_quiet) {
uptr->capac = (t_addr)(capac/(ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1)));
sim_printf ("%s%d: non expandable disk %s is smaller than simulated device (%s < ", sim_dname (dptr), (int)(uptr-dptr->units), cptr, sprint_capac (dptr, uptr));
uptr->capac = (t_addr)(container_size/(ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1)));
sim_printf ("%s%d: non expandable disk container '%s' is smaller than simulated device (%s < ", sim_dname (dptr), (int)(uptr-dptr->units), cptr, sprint_capac (dptr, uptr));
uptr->capac = saved_capac;
sim_printf ("%s)\n", sprint_capac (dptr, uptr));
}
@ -1778,14 +1780,19 @@ if (capac && (capac != (t_offset)-1)) {
return SCPE_OPENERR;
}
}
else {
if ((filesystem_capac != (t_offset)-1) && /* Known file system data size AND */
(filesystem_capac > capac)) /* Data size greater than container size? */
capac = filesystem_capac; /* Use file system data size */
if (((filesystem_capac != (t_offset)-1) && /* Known file system data size AND */
(capac > (((t_offset)uptr->capac)*ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1)))) || /* Data > current size */
(DKUF_F_STD != DK_GET_FMT (uptr))) /* OR ! autosizeable disk */
uptr->capac = (t_addr)(capac/(ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1))); /* update current size */
else { /* Autosize */
if (filesystem_size != (t_offset)-1) { /* Known file system data size AND */
if (filesystem_size > container_size) /* Data size greater than container size? */
container_size = filesystem_size + /* Use file system data size */
(pdp11tracksize * sector_size);/* plus any bad block data beyond the file system */
}
else { /* Unrecognized file system */
if (container_size < current_unit_size) /* Use MAX of container or current device size */
if ((DKUF_F_VHD != DK_GET_FMT (uptr)) && /* when size can be expanded */
(0 == (uptr->flags & UNIT_RO)))
container_size = current_unit_size; /* Use MAX of container or current device size */
}
uptr->capac = (t_addr)(container_size/(ctx->capac_factor*((dptr->flags & DEV_SECTORS) ? 512 : 1))); /* update current size */
}
}