mirror of
https://github.com/simh/simh.git
synced 2026-01-31 13:53:10 +00:00
Change to support serial ports on multiplexer devices without any changes to existing multiplexer device emulation code.
Added support for per line tcp listen ports. Added support for per line outgoing tcp/telnet connections. Removed DEV_NET from pdp11_dz and pdp11_vh emulators to allow proper restore of
This commit is contained in:
Mark Pizzolato
92
sim_defs.h
92
sim_defs.h
@@ -279,6 +279,14 @@ typedef uint32 t_addr;
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#define MATCH_CMD(ptr,cmd) strncmp ((ptr), (cmd), strlen (ptr))
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/* End of Linked List/Queue value */
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/* Chosen for 2 reasons: */
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/* 1 - to not be NULL, this allowing the NULL value to */
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/* indicate inclusion on a list */
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/* and */
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/* 2 - to not be a valid/possible pointer (alignment) */
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#define QUEUE_LIST_END ((void *)1)
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/* Device data structure */
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struct sim_device {
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@@ -376,25 +384,29 @@ struct sim_unit {
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/* Unit flags */
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#define UNIT_V_UF_31 12 /* dev spec, V3.1 */
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#define UNIT_V_UF 16 /* device specific */
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#define UNIT_V_RSV 31 /* reserved!! */
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#define UNIT_V_UF_31 12 /* dev spec, V3.1 */
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#define UNIT_V_UF 16 /* device specific */
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#define UNIT_V_RSV 31 /* reserved!! */
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#define UNIT_ATTABLE 000001 /* attachable */
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#define UNIT_RO 000002 /* read only */
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#define UNIT_FIX 000004 /* fixed capacity */
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#define UNIT_SEQ 000010 /* sequential */
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#define UNIT_ATT 000020 /* attached */
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#define UNIT_BINK 000040 /* K = power of 2 */
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#define UNIT_BUFABLE 000100 /* bufferable */
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#define UNIT_MUSTBUF 000200 /* must buffer */
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#define UNIT_BUF 000400 /* buffered */
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#define UNIT_ROABLE 001000 /* read only ok */
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#define UNIT_DISABLE 002000 /* disable-able */
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#define UNIT_DIS 004000 /* disabled */
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#define UNIT_RAW 010000 /* raw mode */
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#define UNIT_TEXT 020000 /* text mode */
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#define UNIT_IDLE 040000 /* idle eligible */
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#define UNIT_ATTABLE 0000001 /* attachable */
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#define UNIT_RO 0000002 /* read only */
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#define UNIT_FIX 0000004 /* fixed capacity */
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#define UNIT_SEQ 0000010 /* sequential */
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#define UNIT_ATT 0000020 /* attached */
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#define UNIT_BINK 0000040 /* K = power of 2 */
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#define UNIT_BUFABLE 0000100 /* bufferable */
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#define UNIT_MUSTBUF 0000200 /* must buffer */
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#define UNIT_BUF 0000400 /* buffered */
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#define UNIT_ROABLE 0001000 /* read only ok */
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#define UNIT_DISABLE 0002000 /* disable-able */
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#define UNIT_DIS 0004000 /* disabled */
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#define UNIT_RAW 0010000 /* raw mode */
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#define UNIT_TEXT 0020000 /* text mode */
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#define UNIT_IDLE 0040000 /* idle eligible */
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#define UNIT_ATTMULT 0100000 /* Allow multiple attach commands */
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#define UNIT_TM_POLL 0400000 /* TMXR Polling unit */
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/* This flag is ONLY set dynamically */
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/* it should NOT be set via initialization */
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#define UNIT_UFMASK_31 (((1u << UNIT_V_RSV) - 1) & ~((1u << UNIT_V_UF_31) - 1))
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#define UNIT_UFMASK (((1u << UNIT_V_RSV) - 1) & ~((1u << UNIT_V_UF) - 1))
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@@ -573,20 +585,38 @@ extern int32 sim_asynch_check;
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extern int32 sim_asynch_latency;
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extern int32 sim_asynch_inst_latency;
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#define AIO_LIST_END ((void *)1) /* Chosen to deliberately not be a valid pointer (alignment) */
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/* Thread local storage */
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#if defined(__GNUC__) && !defined(__APPLE__)
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#define AIO_TLS __thread
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#elif defined(__DECC_VER) || defined(_MSC_VER)
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#define AIO_TLS __declspec(thread)
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#else
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/* Other compiler environment, then don't worry about thread local storage. */
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/* It is primarily used only used in debugging messages */
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#define AIO_TLS
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#endif
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#define AIO_INIT \
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if (1) { \
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sim_asynch_main_threadid = pthread_self(); \
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/* Empty list/list end uses the point value (void *)1. \
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This allows NULL in an entry's a_next pointer to \
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indicate that the entry is not currently in any list */ \
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sim_asynch_queue = AIO_LIST_END; \
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}
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sim_asynch_queue = QUEUE_LIST_END; \
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} \
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else \
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(void)0
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#define AIO_CLEANUP \
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if (1) { \
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pthread_mutex_destroy(&sim_asynch_lock); \
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pthread_cond_destroy(&sim_asynch_wake); \
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}
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} \
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else \
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(void)0
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#define AIO_LOCK \
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pthread_mutex_lock(&sim_asynch_lock)
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#define AIO_UNLOCK \
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pthread_mutex_unlock(&sim_asynch_lock)
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#if defined(__DECC_VER)
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#include <builtins>
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@@ -616,13 +646,13 @@ extern int32 sim_asynch_inst_latency;
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#define AIO_QUEUE_VAL InterlockedCompareExchangePointer(&sim_asynch_queue, sim_asynch_queue, NULL)
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#define AIO_QUEUE_SET(val, queue) InterlockedCompareExchangePointer(&sim_asynch_queue, val, queue)
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#define AIO_UPDATE_QUEUE \
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if (AIO_QUEUE_VAL != AIO_LIST_END) { /* List !Empty */ \
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if (AIO_QUEUE_VAL != QUEUE_LIST_END) { /* List !Empty */ \
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UNIT *q, *uptr; \
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int32 a_event_time; \
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do \
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q = AIO_QUEUE_VAL; \
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while (q != AIO_QUEUE_SET(AIO_LIST_END, q)); \
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while (q != AIO_LIST_END) { /* List !Empty */ \
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while (q != AIO_QUEUE_SET(QUEUE_LIST_END, q)); \
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while (q != QUEUE_LIST_END) { /* List !Empty */ \
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uptr = q; \
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q = q->a_next; \
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uptr->a_next = NULL; /* hygiene */ \
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@@ -646,18 +676,18 @@ extern int32 sim_asynch_inst_latency;
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UNIT *q, *qe; \
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uptr->a_event_time = event_time; \
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uptr->a_activate_call = sim_activate; \
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uptr->a_next = AIO_LIST_END; /* Mark as on list */ \
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uptr->a_next = QUEUE_LIST_END; /* Mark as on list */ \
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do { \
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do \
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q = AIO_QUEUE_VAL; \
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while (q != AIO_QUEUE_SET(AIO_LIST_END, q));/* Grab current list */ \
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for (qe = uptr; qe->a_next != AIO_LIST_END; qe = qe->a_next); \
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while (q != AIO_QUEUE_SET(QUEUE_LIST_END, q));/* Grab current list */\
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for (qe = uptr; qe->a_next != QUEUE_LIST_END; qe = qe->a_next); \
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qe->a_next = q; /* append current list */\
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do \
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q = AIO_QUEUE_VAL; \
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while (q != AIO_QUEUE_SET(uptr, q)); \
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uptr = q; \
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} while (uptr != AIO_LIST_END); \
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} while (uptr != QUEUE_LIST_END); \
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} \
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if (sim_idle_wait) \
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pthread_cond_signal (&sim_asynch_wake); \
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@@ -671,7 +701,7 @@ extern int32 sim_asynch_inst_latency;
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if (1) { \
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UNIT *uptr; \
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pthread_mutex_lock (&sim_asynch_lock); \
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while (sim_asynch_queue != AIO_LIST_END) { /* List !Empty */ \
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while (sim_asynch_queue != QUEUE_LIST_END) { /* List !Empty */ \
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int32 a_event_time; \
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uptr = sim_asynch_queue; \
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sim_asynch_queue = uptr->a_next; \
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@@ -728,7 +758,9 @@ extern int32 sim_asynch_inst_latency;
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#define AIO_CHECK_EVENT
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#define AIO_INIT
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#define AIO_CLEANUP
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#define AIO_RETURN_TIME(uptr)
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#define AIO_SET_INTERRUPT_LATENCY(instpersec)
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#define AIO_TLS
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#endif /* SIM_ASYNCH_IO */
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#endif
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