github.com/simh.simh
1
0
Fork 0
mirror of https://github.com/simh/simh.git synced 2026-04-25 03:34:34 +00:00
Code Releases Activity

Adding more device help

Browse Source
This commit is contained in:
Mark Pizzolato
2013-02-05 13:59:59 -08:00
parent 63d0cdbd38
commit 864b581e35
5 changed files with 146 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
VAX/vax_sysdev.c
View File

@@ -235,12 +235,14 @@ static uint32 rom_delay = 0;
t_stat rom_ex (t_value *vptr, t_addr exta, UNIT *uptr, int32 sw);
t_stat rom_dep (t_value val, t_addr exta, UNIT *uptr, int32 sw);
t_stat rom_reset (DEVICE *dptr);
t_stat rom_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr);
char *rom_description (DEVICE *dptr);
t_stat nvr_ex (t_value *vptr, t_addr exta, UNIT *uptr, int32 sw);
t_stat nvr_dep (t_value val, t_addr exta, UNIT *uptr, int32 sw);
t_stat nvr_reset (DEVICE *dptr);
t_stat nvr_attach (UNIT *uptr, char *cptr);
t_stat nvr_detach (UNIT *uptr);
t_stat nvr_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr);
char *nvr_description (DEVICE *dptr);
t_stat csi_reset (DEVICE *dptr);
char *csi_description (DEVICE *dptr);
@@ -249,6 +251,7 @@ t_stat cso_svc (UNIT *uptr);
char *cso_description (DEVICE *dptr);
t_stat tmr_svc (UNIT *uptr);
t_stat sysd_reset (DEVICE *dptr);
t_stat sysd_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr);
char *sysd_description (DEVICE *dptr);
int32 rom_rd (int32 pa);
@@ -314,8 +317,8 @@ REG rom_reg[] = {
};
MTAB rom_mod[] = {
{ UNIT_NODELAY, UNIT_NODELAY, "fast access", "NODELAY", NULL, NULL, NULL, "Disable calibrated ROM access speed" },
{ UNIT_NODELAY, 0, "1usec calibrated access", "DELAY", NULL, NULL, NULL, "Enable calibrated ROM access speed" },
{ UNIT_NODELAY, UNIT_NODELAY, "fast access", "NODELAY", NULL, NULL, NULL, "Disable calibrated delay - ROM runs like RAM" },
{ UNIT_NODELAY, 0, "1usec calibrated access", "DELAY", NULL, NULL, NULL, "Enable calibrated ROM delay - ROM runs slowly" },
{ 0 }
};
@@ -324,7 +327,7 @@ DEVICE rom_dev = {
1, 16, ROMAWIDTH, 4, 16, 32,
&rom_ex, &rom_dep, &rom_reset,
NULL, NULL, NULL,
NULL, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, 0, 0, NULL, NULL, NULL, &rom_help, NULL, NULL,
&rom_description
};
@@ -347,7 +350,7 @@ DEVICE nvr_dev = {
1, 16, NVRAWIDTH, 4, 16, 32,
&nvr_ex, &nvr_dep, &nvr_reset,
NULL, &nvr_attach, &nvr_detach,
NULL, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, 0, 0, NULL, NULL, NULL, &nvr_help, NULL, NULL,
&nvr_description
};
@@ -478,7 +481,7 @@ DEVICE sysd_dev = {
2, 16, 16, 1, 16, 8,
NULL, NULL, &sysd_reset,
NULL, NULL, NULL,
&sysd_dib, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL,
&sysd_dib, 0, 0, NULL, NULL, NULL, &sysd_help, NULL, NULL,
&sysd_description
};
@@ -605,6 +608,25 @@ if (rom == NULL)
return SCPE_OK;
}
t_stat rom_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr)
{
fprintf (st, "Read-only memory (ROM)\n\n");
fprintf (st, "The boot ROM consists of a single unit, simulating the 128KB boot ROM. It\n");
fprintf (st, "has no registers. The boot ROM can be loaded with a binary byte stream\n");
fprintf (st, "using the LOAD -r command:\n\n");
fprintf (st, " LOAD -r KA655X.BIN load ROM image KA655X.BIN\n\n");
fprintf (st, "When the simulator starts running (via the BOOT command), if the ROM has\n");
fprintf (st, "not yet been loaded, an attempt will be made to automatically load the\n");
fprintf (st, "ROM image from the file ka655x.bin in the current working directory.\n");
fprintf (st, "If that load attempt fails, then a copy of the missing ROM file is\n");
fprintf (st, "written to the current directory and the load attempt is retried.\n\n");
fprintf (st, "ROM accesses a use a calibrated delay that slows ROM-based execution to\n");
fprintf (st, "about 500K instructions per second. This delay is required to make the\n");
fprintf (st, "power-up self-test routines run correctly on very fast hosts.\n");
fprint_set_help (st, dptr);
return SCPE_OK;
}
char *rom_description (DEVICE *dptr)
{
return "read-only memory";
@@ -703,6 +725,19 @@ if ((uptr->flags & UNIT_ATT) == 0)
return r;
}
t_stat nvr_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr)
{
fprintf (st, "Non-volatile Memory (NVR)\n\n");
fprintf (st, "The NVR consists of a single unit, simulating 1KB of battery-backed up memory\n");
fprintf (st, "in the SSC chip. When the simulator starts, NVR is cleared to 0, and the SSC\n");
fprintf (st, "battery-low indicator is set. Normally, NVR is saved and restored like other\n");
fprintf (st, "memory in the system. Alternately, NVR can be attached to a file. This\n");
fprintf (st, "allows its contents to be saved and restored independently of other memories,\n");
fprintf (st, "so that NVR state can be preserved across simulator runs.\n\n");
fprintf (st, "Successfully loading an NVR image clears the SSC battery-low indicator.\n\n");
return SCPE_OK;
}
char *nvr_description (DEVICE *dptr)
{
return "non-volatile memory";
@@ -1689,10 +1724,31 @@ ssc_otp = 0;
return SCPE_OK;
}
t_stat sysd_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr)
{
fprintf (st, "System Devices (SYSD)\n\n");
fprintf (st, "The system devices are the system-specific facilities implemented in the CVAX\n");
fprintf (st, "chip, the KA655 CPU board, the CMCTL memory controller, and the SSC\n");
fprintf (st, "system support chip. Note that the simulation of these devices is incomplete\n");
fprintf (st, "and is intended strictly to allow the patched bootstrap and console code to\n");
fprintf (st, "run.\n");
fprint_reg_help (st, dptr);
fprintf (st, "\nBDR<7> is the halt-enabled switch. It controls how the console firmware\n");
fprintf (st, "responds to a BOOT command, a kernel halt (if option CONHALT is set), or a\n");
fprintf (st, "console halt (BREAK typed on the console terminal). If BDR<7> is set, the\n");
fprintf (st, "onsole firmware responds to all these conditions by entering its interactive\n");
fprintf (st, "command mode. If BDR<7> is clear, the console firmware boots the operating\n");
fprintf (st, "system in response to these conditions. This bit can be set and cleared by\n");
fprintf (st, "the command “SET CPU AUTOBOOT” (clearing the flag) and “SET CPU NOAUTOBOOT”\n");
fprintf (st, "setting the flag. The default value is set.\n");
return SCPE_OK;
}
char *sysd_description (DEVICE *dptr)
{
return "system devices";
}
t_stat cpu_set_model (UNIT *uptr, int32 val, char *cptr, void *desc)
{
if ((cptr == NULL) || (!*cptr))