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Fixed bug under Asynch I/O where I/O completion did not delay the appropriate time before passing back device status to a simulator. Found by Sergey Oboguev.

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This commit is contained in:
Mark Pizzolato
2012-04-02 14:05:12 -07:00
parent 6e6fdd02ae
commit 7ac3557524
8 changed files with 34 additions and 25 deletions
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13
sim_disk.c
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@@ -733,9 +733,11 @@ static void _sim_disk_io_flush (UNIT *uptr)
uint32 f = DK_GET_FMT (uptr);
#if defined (SIM_ASYNCH_IO)
struct disk_context *ctx = (struct disk_context *)uptr->disk_ctx;
sim_disk_clr_async (uptr);
if (sim_asynch_enabled)
sim_disk_set_async (uptr, 0);
sim_disk_set_async (uptr, ctx->asynch_io_latency);
#endif
switch (f) { /* case on format */
case DKUF_F_STD: /* Simh */
@@ -760,7 +762,8 @@ return stat;
}
t_stat sim_disk_attach (UNIT *uptr, char *cptr, size_t sector_size, size_t xfer_element_size, t_bool dontautosize, uint32 dbit, const char *dtype, uint32 pdp11tracksize)
t_stat sim_disk_attach (UNIT *uptr, char *cptr, size_t sector_size, size_t xfer_element_size, t_bool dontautosize,
uint32 dbit, const char *dtype, uint32 pdp11tracksize, int completion_delay)
{
struct disk_context *ctx;
DEVICE *dptr;
@@ -797,7 +800,7 @@ if (sim_switches & SWMASK ('D')) { /* create difference dis
vhd = sim_vhd_disk_create_diff (gbuf, cptr);
if (vhd) {
sim_vhd_disk_close (vhd);
return sim_disk_attach (uptr, gbuf, sector_size, xfer_element_size, dontautosize, dbit, dtype, pdp11tracksize);
return sim_disk_attach (uptr, gbuf, sector_size, xfer_element_size, dontautosize, dbit, dtype, pdp11tracksize, completion_delay);
}
return SCPE_ARG;
}
@@ -816,7 +819,7 @@ if (sim_switches & SWMASK ('C')) { /* create vhd disk & cop
sim_switches |= SWMASK ('R') | SWMASK ('E');
sim_quiet = TRUE;
/* First open the source of the copy operation */
r = sim_disk_attach (uptr, cptr, sector_size, xfer_element_size, dontautosize, dbit, dtype, pdp11tracksize);
r = sim_disk_attach (uptr, cptr, sector_size, xfer_element_size, dontautosize, dbit, dtype, pdp11tracksize, completion_delay);
sim_quiet = saved_sim_quiet;
if (r != SCPE_OK) {
sim_switches = saved_sim_switches;
@@ -1013,7 +1016,7 @@ if (capac && (capac != (t_addr)-1))
uptr->capac = capac/ctx->capac_factor;
#if defined (SIM_ASYNCH_IO)
sim_disk_set_async (uptr, 0);
sim_disk_set_async (uptr, completion_delay);
#endif
uptr->io_flush = _sim_disk_io_flush;