d328b9fcc7
common PowerPC code when all we want to achieve is to enable external interrupts. We can set PSL_RI at any time before we allow interrupts and/or exceptions, so move it to the AIM specific initialization and do it when we also set PSL_ME (machine check enable).
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/cons.h>
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#include <sys/kernel.h>
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#include <machine/intr_machdep.h>
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static device_t nexusdev;
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static void configure_first(void *);
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static void configure(void *);
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static void configure_final(void *);
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SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
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/* SI_ORDER_SECOND is hookable */
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SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
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/* SI_ORDER_MIDDLE is hookable */
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SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
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/*
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* Determine i/o configuration for a machine.
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*/
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static void
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configure_first(void *dummy)
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{
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nexusdev = device_add_child(root_bus, "nexus", 0);
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}
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static void
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configure(void *dummy)
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{
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root_bus_configure();
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}
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static void
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configure_final(void *dummy)
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{
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/*
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* Now that we're guaranteed to have a PIC driver (or we'll never
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* have one), program it with all the previously setup interrupts.
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*/
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powerpc_enable_intr();
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/* Enable external interrupts. */
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mtmsr(mfmsr() | PSL_EE);
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cninit_finish();
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cold = 0;
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}
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