188 lines
4.3 KiB
C
188 lines
4.3 KiB
C
/*
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* Copyright (c) 1996, by Steve Passe
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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. The name of the developer 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 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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* $FreeBSD$
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*/
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#ifndef _MACHINE_SMPTESTS_H_
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#define _MACHINE_SMPTESTS_H_
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/*
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* Various 'tests in progress' and configuration parameters.
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*/
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/*
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* Control the "giant lock" pushdown by logical steps.
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*/
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#define PUSHDOWN_LEVEL_1
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#define PUSHDOWN_LEVEL_2
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/*
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* Put FAST_INTR() ISRs at an APIC priority above the regular INTs.
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* Allow the mp_lock() routines to handle FAST interrupts while spinning.
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*/
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#ifdef PUSHDOWN_LEVEL_1
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#define FAST_HI
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#endif
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/*
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* These defines enable critical region locking of areas that were
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* protected via cli/sti in the UP kernel.
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*
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* COMLOCK protects the sio/cy drivers.
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* known to be incomplete:
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* joystick lkm
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* ?
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*/
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#ifdef PUSHDOWN_LEVEL_1
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#define USE_COMLOCK
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#endif
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/*
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* Portions of the old TEST_LOPRIO code, back from the grave!
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*/
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#define GRAB_LOPRIO
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/*
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* Send CPUSTOP IPI for stop/restart of other CPUs on DDB break.
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#define VERBOSE_CPUSTOP_ON_DDBBREAK
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*/
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#define CPUSTOP_ON_DDBBREAK
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/*
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* Bracket code/comments relevant to the current 'giant lock' model.
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* Everything is now the 'giant lock' model, but we will use this as
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* we start to "push down" the lock.
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*/
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#define GIANT_LOCK
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#ifdef APIC_IO
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/*
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* Don't assume that slow interrupt handler X is called from vector
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* X + ICU_OFFSET.
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*/
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#define APIC_INTR_REORDER
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/*
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* Redirect clock interrupts to a higher priority (fast intr) vector,
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* while still using the slow interrupt handler. Only effective when
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* APIC_INTR_REORDER is defined.
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*/
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#define APIC_INTR_HIGHPRI_CLOCK
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#endif /* APIC_IO */
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/*
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* Misc. counters.
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*
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#define COUNT_XINVLTLB_HITS
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*/
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/**
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* Hack to "fake-out" kernel into thinking it is running on a 'default config'.
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*
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* value == default type
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#define TEST_DEFAULT_CONFIG 6
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*/
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/*
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* Simple test code for IPI interaction, save for future...
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*
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#define TEST_TEST1
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#define IPI_TARGET_TEST1 1
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*/
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/*
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* Address of POST hardware port.
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* Defining this enables POSTCODE macros.
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*
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#define POST_ADDR 0x80
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*/
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/*
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* POST hardware macros.
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*/
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#ifdef POST_ADDR
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#define ASMPOSTCODE_INC \
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pushl %eax ; \
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movl _current_postcode, %eax ; \
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incl %eax ; \
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andl $0xff, %eax ; \
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movl %eax, _current_postcode ; \
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outb %al, $POST_ADDR ; \
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popl %eax
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/*
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* Overwrite the current_postcode value.
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*/
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#define ASMPOSTCODE(X) \
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pushl %eax ; \
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movl $X, %eax ; \
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movl %eax, _current_postcode ; \
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outb %al, $POST_ADDR ; \
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popl %eax
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/*
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* Overwrite the current_postcode low nibble.
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*/
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#define ASMPOSTCODE_LO(X) \
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pushl %eax ; \
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movl _current_postcode, %eax ; \
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andl $0xf0, %eax ; \
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orl $X, %eax ; \
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movl %eax, _current_postcode ; \
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outb %al, $POST_ADDR ; \
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popl %eax
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/*
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* Overwrite the current_postcode high nibble.
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*/
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#define ASMPOSTCODE_HI(X) \
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pushl %eax ; \
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movl _current_postcode, %eax ; \
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andl $0x0f, %eax ; \
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orl $(X<<4), %eax ; \
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movl %eax, _current_postcode ; \
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outb %al, $POST_ADDR ; \
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popl %eax
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#else
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#define ASMPOSTCODE_INC
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#define ASMPOSTCODE(X)
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#define ASMPOSTCODE_LO(X)
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#define ASMPOSTCODE_HI(X)
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#endif /* POST_ADDR */
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#endif /* _MACHINE_SMPTESTS_H_ */
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