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887 lines
24 KiB
C
887 lines
24 KiB
C
/* $Id: sun4-mainbus.c,v 1.6 2009/08/30 14:03:11 fredette Exp $ */
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/* machine/sun4/sun4-mainbus.c - implementation of Sun 4 emulation: */
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/*
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* Copyright (c) 2003, 2004, 2006 Matt Fredette
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Matt Fredette.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <tme/common.h>
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_TME_RCSID("$Id: sun4-mainbus.c,v 1.6 2009/08/30 14:03:11 fredette Exp $");
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/* includes: */
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#include "sun4-impl.h"
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#include <tme/ic/z8530.h>
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#include <tme/ic/isil7170.h>
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#include <tme/ic/mk48txx.h>
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#include <stdio.h>
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/* this possibly updates that the interrupt priority level driven to the CPU: */
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int
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_tme_sun4_ipl_check(struct tme_sun4 *sun4)
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{
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unsigned int ipl;
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unsigned int ipl_index;
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tme_uint8_t ipl_mask;
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tme_uint32_t interreg;
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int rc;
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/* find the highest ipl now asserted on the buses, that is enabled
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to the CPU: */
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ipl = TME_SPARC_IPL_MAX;
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ipl_index = ipl / 8;
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ipl_mask = TME_BIT(ipl % 8);
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do {
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/* if this ipl is asserted: */
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if ((sun4->tme_sun4_int_signals[ipl_index] & ipl_mask) != 0) {
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/* if this ipl is not disabled: */
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if (TME_SUN4_IS_SUN44C(sun4)
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? ((sun4->tme_sun44c_ints & TME_SUN44C_IREG_INTS_ENAB)
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&& (ipl != 10 || (sun4->tme_sun44c_ints & TME_SUN44C_IREG_COUNTER_L10))
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&& (ipl != 14 || (sun4->tme_sun44c_ints & TME_SUN44C_IREG_COUNTER_L14)))
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: TRUE) {
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/* stop now: */
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break;
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}
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}
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/* advance to the next ipl: */
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ipl--;
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ipl_mask >>= 1;
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if (ipl_mask == 0) {
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ipl_mask = 0x80;
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ipl_index--;
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}
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} while (ipl != TME_SPARC_IPL_NONE);
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/* if this is a sun4 or sun4c: */
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if (TME_SUN4_IS_SUN44C(sun4)) {
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/* get the sun4/4c interrupt register: */
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interreg = sun4->tme_sun44c_ints;
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/* if interrupts are enabled: */
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if (interreg & TME_SUN44C_IREG_INTS_ENAB) {
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/* check the soft interrupts: */
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if (interreg & TME_SUN44C_IREG_SOFT_INT_L6) {
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ipl = TME_MAX(ipl, 6);
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}
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else if (interreg & TME_SUN44C_IREG_SOFT_INT_L4) {
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ipl = TME_MAX(ipl, 4);
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}
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else if (interreg & TME_SUN44C_IREG_SOFT_INT_L1) {
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ipl = TME_MAX(ipl, 1);
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}
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}
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}
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/* possibly update the CPU: */
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if (ipl != sun4->tme_sun4_int_ipl_last) {
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sun4->tme_sun4_int_ipl_last = ipl;
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rc = ((*sun4->tme_sun4_sparc->tme_sparc_bus_interrupt)
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(sun4->tme_sun4_sparc, ipl));
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assert (rc == TME_OK);
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}
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/* return nonzero if any interrupt is pending: */
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return (ipl != TME_SPARC_IPL_NONE);
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}
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/* our mainbus signal handler: */
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static int
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_tme_sun4_bus_signal(struct tme_bus_connection *conn_bus_raiser, unsigned int signal)
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{
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struct tme_sun4 *sun4;
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int signal_asserted;
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unsigned int ipl, ipl_index;
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tme_uint8_t ipl_mask;
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/* recover our sun4: */
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sun4 = (struct tme_sun4 *) conn_bus_raiser->tme_bus_connection.tme_connection_element->tme_element_private;
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/* see whether the signal is asserted or negated: */
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signal_asserted = TRUE;
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switch (signal & TME_BUS_SIGNAL_LEVEL_MASK) {
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case TME_BUS_SIGNAL_LEVEL_NEGATED:
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signal_asserted = FALSE;
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case TME_BUS_SIGNAL_LEVEL_ASSERTED:
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break;
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default:
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abort();
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}
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signal = TME_BUS_SIGNAL_WHICH(signal);
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/* dispatch on the signal: */
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/* halt: */
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if (signal == TME_BUS_SIGNAL_HALT) {
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abort();
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}
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/* reset: */
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else if (signal == TME_BUS_SIGNAL_RESET) {
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/* XXX reset is just ignored for now: */
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}
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/* an interrupt signal: */
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else if (TME_BUS_SIGNAL_IS_INT(signal)) {
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ipl = TME_BUS_SIGNAL_INDEX_INT(signal);
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if (ipl >= TME_SPARC_IPL_MIN
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&& ipl <= TME_SPARC_IPL_MAX) {
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/* update this ipl in the byte array: */
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ipl_index = ipl / 8;
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ipl_mask = TME_BIT(ipl % 8);
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sun4->tme_sun4_int_signals[ipl_index]
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= ((sun4->tme_sun4_int_signals[ipl_index]
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& ~ipl_mask)
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| (signal_asserted
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? ipl_mask
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: 0));
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/* possibly update the ipl being driven to the CPU: */
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_tme_sun4_ipl_check(sun4);
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return (TME_OK);
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}
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}
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/* an unknown signal: */
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else {
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abort();
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}
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return (TME_OK);
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}
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/* this handles a CPU interrupt acknowledge: */
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static int
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_tme_sun4_bus_intack(struct tme_bus_connection *conn_sparc, unsigned int ipl, int *vector)
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{
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struct tme_sun4 *sun4;
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tme_uint32_t interreg;
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unsigned int signal;
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int rc;
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/* recover our sun4: */
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sun4 = (struct tme_sun4 *) conn_sparc->tme_bus_connection.tme_connection_element->tme_element_private;
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/* acknowledge any soft interrupt: */
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if (TME_SUN4_IS_SUN44C(sun4)) {
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interreg = sun4->tme_sun44c_ints;
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if ((ipl == 6
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&& (interreg & TME_SUN44C_IREG_SOFT_INT_L6))
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|| (ipl == 4
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&& (interreg & TME_SUN44C_IREG_SOFT_INT_L4))
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|| (ipl == 1
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&& (interreg & TME_SUN44C_IREG_SOFT_INT_L1))) {
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*vector = TME_BUS_INTERRUPT_VECTOR_UNDEF;
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return (TME_OK);
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}
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}
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/* turn the ipl into a bus signal number: */
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signal = TME_BUS_SIGNAL_INT(ipl);
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/* try the acknowledge on these buses, in order: */
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/* obio: */
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rc = (*sun4->tme_sun4_32_obio->tme_bus_intack)
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(sun4->tme_sun4_32_obio, signal, vector);
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if (rc != ENOENT) {
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return (rc);
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}
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/* obmem: */
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if (!TME_SUN4_IS_SUN4C(sun4)) {
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rc = (*sun4->tme_sun4_32_obmem->tme_bus_intack)
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(sun4->tme_sun4_32_obmem, signal, vector);
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if (rc != ENOENT) {
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return (rc);
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}
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}
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/* VMEbus: */
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if (TME_SUN4_IS_SUN4(sun4)) {
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rc = (*sun4->tme_sun4_vmebus->tme_bus_intack)
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(sun4->tme_sun4_vmebus, signal, vector);
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if (rc != ENOENT) {
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return (rc);
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}
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}
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/* done: */
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return (rc);
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}
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/* this resets the board: */
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int
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_tme_sun4_reset(struct tme_sun4 *sun4, int soft)
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{
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/* clear the sun4/4c enable register: */
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sun4->tme_sun44c_enable = 0;
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/* clear the sun4/4c interrupt register: */
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sun4->tme_sun44c_ints = 0;
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/* clear any NMI: */
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sun4->tme_sun4_int_signals[TME_SPARC_IPL_NMI / 8] &= ~TME_BIT(TME_SPARC_IPL_NMI % 8);
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/* reset the CPU: */
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(*sun4->tme_sun4_sparc->tme_sparc_bus_connection.tme_bus_signal)
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(&sun4->tme_sun4_sparc->tme_sparc_bus_connection,
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TME_BUS_SIGNAL_RESET
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| TME_BUS_SIGNAL_LEVEL_NEGATED
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| TME_BUS_SIGNAL_EDGE);
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/* reset all busses: */
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(*sun4->tme_sun4_32_obio->tme_bus_signal)
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(sun4->tme_sun4_32_obio,
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TME_BUS_SIGNAL_RESET
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| TME_BUS_SIGNAL_LEVEL_NEGATED
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| TME_BUS_SIGNAL_EDGE);
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if (!TME_SUN4_IS_SUN4C(sun4)) {
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(*sun4->tme_sun4_32_obmem->tme_bus_signal)
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(sun4->tme_sun4_32_obmem,
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TME_BUS_SIGNAL_RESET
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| TME_BUS_SIGNAL_LEVEL_NEGATED
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| TME_BUS_SIGNAL_EDGE);
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}
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if (TME_SUN4_IS_SUN4(sun4)) {
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(*sun4->tme_sun4_vmebus->tme_bus_signal)
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(sun4->tme_sun4_vmebus,
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TME_BUS_SIGNAL_RESET
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| TME_BUS_SIGNAL_LEVEL_NEGATED
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| TME_BUS_SIGNAL_EDGE);
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}
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/* in case this reset was caused by a bus cycle, be sure to tell the
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initiator to check for a synchronous event: */
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return (TME_BUS_CYCLE_SYNCHRONOUS_EVENT);
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}
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/* our command function: */
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static int
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_tme_sun4_command(struct tme_element *element, const char * const * args, char **_output)
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{
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struct tme_sun4 *sun4;
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int do_reset;
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/* recover our sun4: */
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sun4 = (struct tme_sun4 *) element->tme_element_private;
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/* assume no reset: */
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do_reset = FALSE;
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/* the "power" command: */
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if (TME_ARG_IS(args[1], "power")) {
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if (TME_ARG_IS(args[2], "up")
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&& args[3] == NULL) {
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do_reset = TRUE;
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}
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else if (TME_ARG_IS(args[2], "down")
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&& args[3] == NULL) {
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/* nothing */
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}
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/* return an error: */
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else {
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tme_output_append_error(_output,
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"%s %s power [ up | down ]",
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_("usage:"),
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args[0]);
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return (EINVAL);
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}
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}
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/* the "diag-switch" command: */
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else if (TME_SUN4_IS_SUN4(sun4)
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&& TME_ARG_IS(args[1], "diag-switch")) {
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if (args[2] == NULL) {
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tme_output_append_error(_output,
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"diag-switch %s",
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(sun4->tme_sun44c_enable & TME_SUN4_ENA_DIAG
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? "true"
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: "false"));
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}
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else if (TME_ARG_IS(args[2], "true")
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&& args[3] == NULL) {
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sun4->tme_sun44c_enable |= TME_SUN4_ENA_DIAG;
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}
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else if (TME_ARG_IS(args[2], "false")
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&& args[3] == NULL) {
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sun4->tme_sun44c_enable &= ~TME_SUN4_ENA_DIAG;
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}
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/* return an error: */
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else {
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tme_output_append_error(_output,
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"%s %s diag-switch [ true | false ]",
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_("usage:"),
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args[0]);
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return (EINVAL);
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}
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}
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/* any other command: */
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else {
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if (args[1] != NULL) {
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tme_output_append_error(_output,
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"%s '%s', ",
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_("unknown command"),
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args[1]);
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}
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tme_output_append_error(_output,
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_("available %s commands: %s%s"),
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args[0],
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"power",
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(TME_SUN4_IS_SUN4(sun4)
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? "diag-switch"
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: ""));
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return (EINVAL);
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}
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if (do_reset) {
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_tme_sun4_reset(sun4, FALSE);
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}
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return (TME_OK);
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}
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/* the connection scorer: */
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static int
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_tme_sun4_connection_score(struct tme_connection *conn, unsigned int *_score)
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{
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struct tme_sparc_bus_connection *conn_sparc;
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struct tme_sun4_bus_connection *conn_sun4;
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struct tme_bus_connection *conn_bus;
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struct tme_sun4 *sun4;
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unsigned int score;
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/* recover our sun4: */
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sun4 = (struct tme_sun4 *) conn->tme_connection_element->tme_element_private;
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/* assume that this connection is useless: */
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score = 0;
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/* dispatch on the connection type: */
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conn_sparc = (struct tme_sparc_bus_connection *) conn->tme_connection_other;
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conn_sun4 = (struct tme_sun4_bus_connection *) conn;
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conn_bus = (struct tme_bus_connection *) conn->tme_connection_other;
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switch (conn->tme_connection_type) {
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/* this must be an SPARC chip, and not another bus: */
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case TME_CONNECTION_BUS_SPARC:
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if (conn_bus->tme_bus_tlb_set_add == NULL
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&& conn_sparc->tme_sparc_bus_tlb_fill == NULL
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&& conn_sparc->tme_sparc_bus_fpu_strict != NULL) {
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score = 10;
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}
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break;
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/* this must be a bus, and not a chip, and the bus must still be
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free: */
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case TME_CONNECTION_BUS_GENERIC:
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if ((conn_bus->tme_bus_tlb_set_add != NULL
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&& conn_bus->tme_bus_tlb_fill != NULL)
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&& (conn_sun4->tme_sun4_bus_connection_which >= TME_SUN4_32_CONN_BUS_COUNT
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|| sun4->tme_sun4_buses[conn_sun4->tme_sun4_bus_connection_which] == NULL)) {
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score = 1;
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}
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break;
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default: abort();
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}
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*_score = score;
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return (TME_OK);
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}
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/* this makes a new connection: */
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static int
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_tme_sun4_connection_make(struct tme_connection *conn, unsigned int state)
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{
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struct tme_sun4 *sun4;
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struct tme_sparc_bus_connection *conn_sparc;
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struct tme_sun4_bus_connection *conn_sun4;
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struct tme_bus_connection *conn_bus;
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struct tme_connection *conn_other;
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/* recover our sun4: */
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sun4 = (struct tme_sun4 *) conn->tme_connection_element->tme_element_private;
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/* dispatch on the connection type: */
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conn_other = conn->tme_connection_other;
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conn_sparc = (struct tme_sparc_bus_connection *) conn_other;
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conn_sun4 = (struct tme_sun4_bus_connection *) conn;
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conn_bus = (struct tme_bus_connection *) conn_other;
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switch (conn->tme_connection_type) {
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case TME_CONNECTION_BUS_SPARC:
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sun4->tme_sun4_sparc = conn_sparc;
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break;
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case TME_CONNECTION_BUS_GENERIC:
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/* remember the connection to this bus: */
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if (state == TME_CONNECTION_FULL) {
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assert (sun4->tme_sun4_buses[conn_sun4->tme_sun4_bus_connection_which] == NULL);
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sun4->tme_sun4_buses[conn_sun4->tme_sun4_bus_connection_which] = conn_bus;
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}
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break;
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default:
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assert(FALSE);
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break;
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}
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return (TME_OK);
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}
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/* this breaks a connection: */
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static int
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_tme_sun4_connection_break(struct tme_connection *conn, unsigned int state)
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{
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abort();
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}
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/* this makes new connection sides: */
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static int
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_tme_sun4_connections_new(struct tme_element *element, const char * const *args, struct tme_connection **_conns, char **_output)
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{
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struct tme_sparc_bus_connection *conn_sparc;
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|
struct tme_sun4_bus_connection *conn_sun4;
|
|
struct tme_bus_connection *conn_bus;
|
|
struct tme_connection *conn;
|
|
struct tme_sun4 *sun4;
|
|
char *free_buses;
|
|
int which_conn;
|
|
|
|
/* recover our sun4: */
|
|
sun4 = (struct tme_sun4 *) element->tme_element_private;
|
|
|
|
/* if we have no arguments, and we don't have a CPU yet, we can take
|
|
a SPARC bus connection: */
|
|
if (args[1] == NULL
|
|
&& sun4->tme_sun4_sparc == NULL) {
|
|
|
|
/* create our side of a SPARC bus connection: */
|
|
conn_sparc = tme_new0(struct tme_sparc_bus_connection, 1);
|
|
conn_bus = &conn_sparc->tme_sparc_bus_connection;
|
|
conn = &conn_bus->tme_bus_connection;
|
|
conn->tme_connection_next = *_conns;
|
|
|
|
/* fill in the generic connection: */
|
|
conn->tme_connection_type = TME_CONNECTION_BUS_SPARC;
|
|
conn->tme_connection_score = _tme_sun4_connection_score;
|
|
conn->tme_connection_make = _tme_sun4_connection_make;
|
|
conn->tme_connection_break = _tme_sun4_connection_break;
|
|
|
|
/* fill in the generic bus connection: */
|
|
conn_bus->tme_bus_signal = _tme_sun4_bus_signal;
|
|
conn_bus->tme_bus_intack = _tme_sun4_bus_intack;
|
|
conn_bus->tme_bus_tlb_set_add
|
|
= (TME_SUN4_IS_SUN44C(sun4)
|
|
? _tme_sun44c_mmu_tlb_set_add
|
|
: NULL);
|
|
|
|
/* full in the SPARC bus connection: */
|
|
conn_sparc->tme_sparc_bus_tlb_fill
|
|
= (TME_SUN4_IS_SUN44C(sun4)
|
|
? _tme_sun44c_tlb_fill_sparc
|
|
: NULL);
|
|
|
|
/* add in this connection side possibility: */
|
|
*_conns = conn;
|
|
}
|
|
|
|
/* create our side of a generic bus connection: */
|
|
conn_sun4 = tme_new0(struct tme_sun4_bus_connection, 1);
|
|
conn_bus = &conn_sun4->tme_sun4_bus_connection;
|
|
conn = &conn_bus->tme_bus_connection;
|
|
conn->tme_connection_next = *_conns;
|
|
|
|
/* fill in the generic connection: */
|
|
conn->tme_connection_type = TME_CONNECTION_BUS_GENERIC;
|
|
conn->tme_connection_score = _tme_sun4_connection_score;
|
|
conn->tme_connection_make = _tme_sun4_connection_make;
|
|
conn->tme_connection_break = _tme_sun4_connection_break;
|
|
|
|
/* fill in the generic bus connection: */
|
|
conn_bus->tme_bus_signal = _tme_sun4_bus_signal;
|
|
conn_bus->tme_bus_intack = NULL;
|
|
if (TME_SUN4_IS_SUN44C(sun4)) {
|
|
conn_bus->tme_bus_tlb_fill = _tme_sun44c_tlb_fill_bus;
|
|
}
|
|
else {
|
|
abort();
|
|
}
|
|
|
|
/* if we have no argument: */
|
|
if (args[1] == NULL) {
|
|
|
|
/* return no more connections: */
|
|
tme_free(conn_sun4);
|
|
return (TME_OK);
|
|
}
|
|
|
|
/* otherwise, we have at least one argument: */
|
|
else {
|
|
|
|
/* we must have no other arguments: */
|
|
if (args[2] != NULL) {
|
|
tme_output_append_error(_output,
|
|
"%s %s",
|
|
args[2],
|
|
_("unexpected"));
|
|
tme_free(conn_sun4);
|
|
return (EINVAL);
|
|
}
|
|
|
|
/* start the list of buses that we don't have yet: */
|
|
free_buses = NULL;
|
|
|
|
/* poison the which connection: */
|
|
which_conn = -1;
|
|
|
|
/* check each bus: */
|
|
|
|
/* obio: */
|
|
if (sun4->tme_sun4_32_obio == NULL) {
|
|
tme_output_append(&free_buses,
|
|
(TME_SUN4_IS_SUN4C(sun4)
|
|
? " sbus"
|
|
: " obio"));
|
|
}
|
|
if (TME_ARG_IS(args[1],
|
|
(TME_SUN4_IS_SUN4C(sun4)
|
|
? "sbus"
|
|
: "obio"))) {
|
|
which_conn = TME_SUN4_32_CONN_BUS_OBIO;
|
|
}
|
|
|
|
/* obmem: */
|
|
if (!TME_SUN4_IS_SUN4C(sun4)) {
|
|
if (sun4->tme_sun4_32_obmem == NULL) {
|
|
tme_output_append(&free_buses, " obmem");
|
|
}
|
|
if (TME_ARG_IS(args[1], "obmem")) {
|
|
which_conn = TME_SUN4_32_CONN_BUS_OBMEM;
|
|
}
|
|
}
|
|
|
|
/* VMEbus: */
|
|
if (TME_SUN4_IS_SUN4(sun4)) {
|
|
if (sun4->tme_sun4_vmebus == NULL) {
|
|
tme_output_append(&free_buses, " vme");
|
|
}
|
|
if (TME_ARG_IS(args[1], "vme")) {
|
|
which_conn = TME_SUN4_CONN_BUS_VME;
|
|
conn_bus->tme_bus_subregions.tme_bus_subregion_address_last
|
|
= TME_SUN4_DVMA_SIZE_VME;
|
|
}
|
|
}
|
|
|
|
/* random connections: */
|
|
|
|
if (TME_ARG_IS(args[1], "timer")) {
|
|
which_conn = TME_SUN4_32_CONN_REG_TIMER;
|
|
conn_bus->tme_bus_subregions.tme_bus_subregion_address_last
|
|
= TME_SUN44C_TIMER_SIZ_REG * 2;
|
|
}
|
|
else if (TME_ARG_IS(args[1], "memerr")) {
|
|
which_conn = TME_SUN4_32_CONN_REG_MEMERR;
|
|
conn_bus->tme_bus_subregions.tme_bus_subregion_address_last
|
|
= (TME_SUN4_IS_MODEL(sun4, TME_SUN_IDPROM_TYPE_CODE_CALVIN)
|
|
? (TME_SUN44C_MEMERR_SIZ_REG * 2)
|
|
: TME_SUN44C_MEMERR_SIZ_REG);
|
|
}
|
|
else if (TME_ARG_IS(args[1], "intreg")) {
|
|
which_conn = TME_SUN4_32_CONN_REG_INTREG;
|
|
conn_bus->tme_bus_subregions.tme_bus_subregion_address_last
|
|
= sizeof(sun4->tme_sun44c_ints);
|
|
}
|
|
else if (TME_SUN4_IS_SUN4C4M(sun4)
|
|
&& TME_ARG_IS(args[1], "auxreg")) {
|
|
which_conn = TME_SUN4C4M_CONN_REG_AUXREG;
|
|
conn_bus->tme_bus_subregions.tme_bus_subregion_address_last
|
|
= sizeof(sun4->tme_sun4c4m_aux);
|
|
}
|
|
|
|
/* if the which connection is still poison, or if this is trying
|
|
to connect a bus that we already have, complain: */
|
|
if (which_conn < 0
|
|
|| (which_conn < TME_SUN4_32_CONN_BUS_COUNT
|
|
&& sun4->tme_sun4_buses[which_conn] != NULL)) {
|
|
if (which_conn < 0) {
|
|
tme_output_append_error(_output,
|
|
"%s %s ",
|
|
_("unknown bus or register:"),
|
|
args[1]);
|
|
}
|
|
if (free_buses != NULL) {
|
|
tme_output_append_error(_output,
|
|
"%s %s",
|
|
_("remaining buses:"),
|
|
free_buses);
|
|
tme_free(free_buses);
|
|
}
|
|
else {
|
|
tme_output_append_error(_output, _("all buses present"));
|
|
}
|
|
tme_free(conn_sun4);
|
|
return (EINVAL);
|
|
}
|
|
|
|
/* free the remaining bus list: */
|
|
if (free_buses != NULL) {
|
|
tme_free(free_buses);
|
|
}
|
|
|
|
/* fill in the sun4 connection: */
|
|
conn_sun4->tme_sun4_bus_connection_which = which_conn;
|
|
|
|
/* fill in the generic bus connection for a bus: */
|
|
if (which_conn < TME_SUN4_32_CONN_BUS_COUNT) {
|
|
conn_bus->tme_bus_tlb_set_add = _tme_sun44c_mmu_tlb_set_add;
|
|
}
|
|
}
|
|
|
|
/* add in this connection side possibility: */
|
|
*_conns = conn;
|
|
|
|
/* done: */
|
|
return (TME_OK);
|
|
}
|
|
|
|
/* this creates a new sun4 element: */
|
|
TME_ELEMENT_NEW_DECL(tme_machine_sun4) {
|
|
int usage;
|
|
struct tme_sun4 *sun4;
|
|
const char *idprom_filename;
|
|
FILE *idprom_fp;
|
|
tme_uint8_t idprom[TME_SUN_IDPROM_SIZE];
|
|
int arg_i;
|
|
|
|
arg_i = 1;
|
|
usage = FALSE;
|
|
|
|
/* if we've been given an IDPROM filename: */
|
|
idprom_filename = NULL;
|
|
if (TME_ARG_IS(args[arg_i], "idprom")) {
|
|
arg_i++;
|
|
idprom_filename = args[arg_i];
|
|
if (idprom_filename == NULL) {
|
|
usage = TRUE;
|
|
}
|
|
else {
|
|
arg_i++;
|
|
}
|
|
}
|
|
|
|
/* otherwise, if we've been given a board name: */
|
|
else if (TME_ARG_IS(args[arg_i], "name")) {
|
|
arg_i++;
|
|
if (TME_ARG_IS(args[arg_i], "Calvin")) {
|
|
idprom[TME_SUN_IDPROM_OFF_MACHTYPE] = TME_SUN_IDPROM_TYPE_CODE_CALVIN;
|
|
arg_i++;
|
|
}
|
|
else if (args[arg_i] != NULL) {
|
|
tme_output_append_error(_output,
|
|
"%s %s, ",
|
|
_("unknown name"),
|
|
args[arg_i]);
|
|
usage = TRUE;
|
|
}
|
|
else {
|
|
tme_output_append_error(_output,
|
|
"%s, ",
|
|
_("missing name"));
|
|
usage = TRUE;
|
|
}
|
|
}
|
|
|
|
/* we must have no more arguments: */
|
|
if (args[arg_i] != NULL) {
|
|
tme_output_append_error(_output,
|
|
"%s %s, ",
|
|
args[arg_i],
|
|
_("unexpected"));
|
|
usage = TRUE;
|
|
}
|
|
|
|
/* if our usage was bad: */
|
|
if (usage) {
|
|
tme_output_append_error(_output,
|
|
"%s %s { idprom IDPROM%s | name { Calvin } } ",
|
|
_("usage:"),
|
|
args[0],
|
|
_("-FILENAME"));
|
|
return (EINVAL);
|
|
}
|
|
|
|
/* if we've been given an IDPROM filename, try to read it in: */
|
|
if (idprom_filename != NULL) {
|
|
idprom_fp = fopen(idprom_filename, "r");
|
|
if (idprom_fp == NULL) {
|
|
tme_output_append_error(_output, "%s", idprom_filename);
|
|
return (errno);
|
|
}
|
|
if (fread(idprom, sizeof(tme_uint8_t), sizeof(idprom), idprom_fp) != sizeof(idprom)) {
|
|
tme_output_append_error(_output, "%s", idprom_filename);
|
|
fclose(idprom_fp);
|
|
return (ENOEXEC);
|
|
}
|
|
fclose(idprom_fp);
|
|
}
|
|
|
|
/* allocate and initialize the new sun4: */
|
|
sun4 = tme_new0(struct tme_sun4, 1);
|
|
sun4->tme_sun4_element = element;
|
|
tme_mutex_init(&sun4->tme_sun4_mutex);
|
|
|
|
/* set the IDPROM: */
|
|
memcpy(sun4->tme_sun4_idprom_contents, idprom, sizeof(idprom));
|
|
|
|
/* the MMU: */
|
|
if (TME_SUN4_IS_SUN44C(sun4)) {
|
|
_tme_sun44c_mmu_new(sun4);
|
|
sun4->tme_sun4_tlb_fill = _tme_sun44c_tlb_fill_mmu;
|
|
}
|
|
else {
|
|
abort();
|
|
}
|
|
|
|
/* the cache: */
|
|
if (TME_SUN4_IS_SUN44C(sun4)) {
|
|
_tme_sun44c_cache_new(sun4);
|
|
}
|
|
else {
|
|
abort();
|
|
}
|
|
|
|
/* the control ASIs: */
|
|
sun4->tme_sun4_asis[TME_SUN4_32_ASI_CONTROL].tme_sun4_asi_sun4 = sun4;
|
|
if (TME_SUN4_IS_SUN44C(sun4)) {
|
|
sun4->tme_sun4_asis[TME_SUN44C_ASI_SEGMAP].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN44C_ASI_PGMAP].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN4C_ASI_HW_FLUSH_SEG /* TME_SUN4_ASI_COPY */].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN4C_ASI_HW_FLUSH_PG /* TME_SUN4_ASI_REGMAP */].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN4C_ASI_HW_FLUSH_CONTEXT /* TME_SUN4_ASI_FLUSH_REG */].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN44C_ASI_FLUSH_SEG].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN44C_ASI_FLUSH_PG].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN44C_ASI_FLUSH_CONTEXT].tme_sun4_asi_sun4 = sun4;
|
|
sun4->tme_sun4_asis[TME_SUN4C_ASI_HW_FLUSH_ALL /* TME_SUN4_ASI_FLUSH_USER */].tme_sun4_asi_sun4 = sun4;
|
|
}
|
|
else {
|
|
abort();
|
|
}
|
|
|
|
/* the timers: */
|
|
_tme_sun4_timer_new(sun4);
|
|
|
|
/* fill the element: */
|
|
element->tme_element_private = sun4;
|
|
element->tme_element_connections_new = _tme_sun4_connections_new;
|
|
element->tme_element_command = _tme_sun4_command;
|
|
|
|
return (TME_OK);
|
|
}
|
|
|
|
/* this creates a new Sun-4 isil7170: */
|
|
TME_ELEMENT_SUB_NEW_DECL(tme_machine_sun4,oclock) {
|
|
struct tme_isil7170_socket socket;
|
|
const char *sub_args[4];
|
|
int arg_i;
|
|
|
|
/* create the isil7170 socket: */
|
|
memset (&socket, 0, sizeof(socket));
|
|
socket.tme_isil7170_socket_version = TME_ISIL7170_SOCKET_0;
|
|
socket.tme_isil7170_socket_addr_shift = 0;
|
|
socket.tme_isil7170_socket_port_least_lane = 3; /* D31-D24 */
|
|
socket.tme_isil7170_socket_clock_basic = TME_ISIL7170_FREQ_32K;
|
|
socket.tme_isil7170_socket_int_signal = TME_BUS_SIGNAL_INT_UNSPEC;
|
|
|
|
/* create the isil7170. we allow at most two arguments to pass
|
|
through, which is an awful hack: */
|
|
sub_args[0] = "tme/ic/isil7170";
|
|
for (arg_i = 1;; arg_i++) {
|
|
if (arg_i == TME_ARRAY_ELS(sub_args)) {
|
|
abort();
|
|
}
|
|
sub_args[arg_i] = args[arg_i];
|
|
if (args[arg_i] == NULL) {
|
|
break;
|
|
}
|
|
}
|
|
return (tme_element_new(element, (const char * const *) sub_args, &socket, _output));
|
|
}
|
|
|
|
/* this creates a new Sun-4 mk48txx: */
|
|
TME_ELEMENT_SUB_NEW_DECL(tme_machine_sun4,clock) {
|
|
struct tme_mk48txx_socket socket;
|
|
|
|
/* create the mk48txx socket: */
|
|
memset (&socket, 0, sizeof(socket));
|
|
socket.tme_mk48txx_socket_version = TME_MK48TXX_SOCKET_0;
|
|
socket.tme_mk48txx_socket_addr_shift = 0;
|
|
socket.tme_mk48txx_socket_port_least_lane = 3; /* D31-D24 */
|
|
socket.tme_mk48txx_socket_year_zero = 1968;
|
|
|
|
if (!TME_ARG_IS(args[1], "type")
|
|
|| args[2] == NULL) {
|
|
tme_output_append_error(_output,
|
|
"%s %s type CLOCK-%s",
|
|
_("usage:"),
|
|
args[0],
|
|
_("TYPE"));
|
|
return (EINVAL);
|
|
}
|
|
|
|
return (tme_element_new(element, args + 2, &socket, _output));
|
|
}
|
|
|
|
/* this creates a new Sun-4 z8530: */
|
|
TME_ELEMENT_SUB_NEW_DECL(tme_machine_sun4,zs) {
|
|
struct tme_z8530_socket socket = TME_SUN_Z8530_SOCKET_INIT;
|
|
char *sub_args[2];
|
|
|
|
/* create the z8530: */
|
|
sub_args[0] = "tme/ic/z8530";
|
|
sub_args[1] = NULL;
|
|
return (tme_element_new(element, (const char * const *) sub_args, &socket, _output));
|
|
}
|