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DISK: Add sim_disk_erase API

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This commit is contained in:
Mark Pizzolato 2021-08-17 15:35:51 -07:00
parent bc40d08b94
commit 64b1223468
2 changed files with 27 additions and 7 deletions
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18
sim_disk.c
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@ -867,6 +867,24 @@ switch (DK_GET_FMT (uptr)) { /* case on format */
} }
} }
t_stat sim_disk_erase (UNIT *uptr)
{
struct disk_context *ctx = (struct disk_context *)uptr->disk_ctx;
uint8 *buf;
t_lba lba;
if (uptr->flags & UNIT_ATT)
return SCPE_UNATT;
buf = (uint8 *)calloc (1, ctx->storage_sector_size);
if (buf == NULL)
return SCPE_MEM;
for (lba = 0; lba < ctx->container_size / ctx->sector_size; lba++)
sim_disk_wrsect (uptr, lba, buf, NULL, 1); /* write sector */
free (buf);
return SCPE_OK;
}
/* /*
This routine is called when the simulator stops and any time This routine is called when the simulator stops and any time
the asynch mode is changed (enabled or disabled) the asynch mode is changed (enabled or disabled)

16
sim_disk.h
View file

@ -69,15 +69,16 @@ typedef void (*DISK_PCALLBACK)(UNIT *unit, t_stat status);
t_stat sim_disk_attach (UNIT *uptr, t_stat sim_disk_attach (UNIT *uptr,
const char *cptr, const char *cptr,
size_t sector_size, size_t xfer_element_size, size_t memory_sector_size, /* memory footprint of sector data */
t_bool dontchangecapac, size_t xfer_element_size,
uint32 debugbit, t_bool dontchangecapac, /* if false just change uptr->capac as needed */
const char *drivetype, uint32 debugbit, /* debug bit */
uint32 pdp11_tracksize, const char *drivetype, /* drive type */
int completion_delay); uint32 pdp11_tracksize, /* BAD144 track */
int completion_delay); /* Minimum Delay for asynch I/O completion */
t_stat sim_disk_attach_ex (UNIT *uptr, t_stat sim_disk_attach_ex (UNIT *uptr,
const char *cptr, const char *cptr,
size_t sector_size, size_t memory_sector_size, /* memory footprint of sector data */
size_t xfer_element_size, size_t xfer_element_size,
t_bool dontchangecapac, /* if false just change uptr->capac as needed */ t_bool dontchangecapac, /* if false just change uptr->capac as needed */
uint32 dbit, /* debug bit */ uint32 dbit, /* debug bit */
@ -93,6 +94,7 @@ t_stat sim_disk_rdsect_a (UNIT *uptr, t_lba lba, uint8 *buf, t_seccnt *sectsread
t_stat sim_disk_wrsect (UNIT *uptr, t_lba lba, uint8 *buf, t_seccnt *sectswritten, t_seccnt sects); t_stat sim_disk_wrsect (UNIT *uptr, t_lba lba, uint8 *buf, t_seccnt *sectswritten, t_seccnt sects);
t_stat sim_disk_wrsect_a (UNIT *uptr, t_lba lba, uint8 *buf, t_seccnt *sectswritten, t_seccnt sects, DISK_PCALLBACK callback); t_stat sim_disk_wrsect_a (UNIT *uptr, t_lba lba, uint8 *buf, t_seccnt *sectswritten, t_seccnt sects, DISK_PCALLBACK callback);
t_stat sim_disk_unload (UNIT *uptr); t_stat sim_disk_unload (UNIT *uptr);
t_stat sim_disk_erase (UNIT *uptr);
t_stat sim_disk_set_fmt (UNIT *uptr, int32 val, CONST char *cptr, void *desc); t_stat sim_disk_set_fmt (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat sim_disk_show_fmt (FILE *st, UNIT *uptr, int32 val, CONST void *desc); t_stat sim_disk_show_fmt (FILE *st, UNIT *uptr, int32 val, CONST void *desc);
t_stat sim_disk_set_capac (UNIT *uptr, int32 val, CONST char *cptr, void *desc); t_stat sim_disk_set_capac (UNIT *uptr, int32 val, CONST char *cptr, void *desc);