cfcc04be8f
Replace them with a default handler that returns devmap_lastaddr. Reviewed by: mmel Sponsored by: ABT Systems Ltd Differential Revision: https://reviews.freebsd.org/D8806
149 lines
4.1 KiB
Objective-C
149 lines
4.1 KiB
Objective-C
#-
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# Copyright (c) 2009 Nathan Whitehorn
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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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# $FreeBSD$
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#
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/devmap.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/smp.h>
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#include <machine/machdep.h>
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#include <machine/platform.h>
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#include <machine/platformvar.h>
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#include <machine/smp.h>
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#include <machine/vmparam.h>
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/**
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* @defgroup PLATFORM platform - KObj methods for ARM platform
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* implementations
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* @brief A set of methods required by all platform implementations.
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* These are used to bring up secondary CPUs, supply the physical memory
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* map, etc.
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*@{
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*/
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INTERFACE platform;
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#
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# Default implementations
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#
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CODE {
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static void platform_null_attach(platform_t plat)
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{
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return;
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}
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static vm_offset_t platform_default_lastaddr(platform_t plat)
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{
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return (devmap_lastaddr());
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}
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static void platform_default_mp_setmaxid(platform_t plat)
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{
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mp_ncpus = 1;
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mp_maxid = 0;
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}
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};
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/**
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* @brief Probe for whether we are on this platform, returning the standard
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* newbus probe codes. If we have Open Firmware or a flattened device tree,
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* it is guaranteed to be available at this point.
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*/
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METHOD int probe {
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platform_t _plat;
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};
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/**
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* @brief Attach this platform module. This happens before the MMU is online,
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* so the platform module can install its own high-priority MMU module at
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* this point.
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*/
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METHOD int attach {
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platform_t _plat;
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} DEFAULT platform_null_attach;
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/**
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* @brief Called as one of the last steps of early virtual memory
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* initialization, shortly before the new page tables are installed.
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*/
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METHOD int devmap_init {
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platform_t _plat;
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};
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/**
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* @brief Called after devmap_init(), and must return the address of the
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* first byte of unusable KVA space. This allows a platform to carve out
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* of the top of the KVA space whatever reserves it needs for things like
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* static device mapping, and this is called to get the value before
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* calling pmap_bootstrap() which uses the value to size the available KVA.
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*/
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METHOD vm_offset_t lastaddr {
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platform_t _plat;
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} DEFAULT platform_default_lastaddr;
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/**
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* @brief Called after the static device mappings are established and just
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* before cninit(). The intention is that the routine can do any hardware
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* setup (such as gpio or pinmux) necessary to make the console functional.
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*/
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METHOD void gpio_init {
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platform_t _plat;
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};
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/**
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* @brief Called just after cninit(). This is the first of the init
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* routines that can use printf() and expect the output to appear on
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* a standard console.
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*/
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METHOD void late_init {
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platform_t _plat;
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};
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/**
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* @brief Called by cpu_mp_setmaxid() to set mp_maxid and mp_ncpus.
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*/
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METHOD void mp_setmaxid {
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platform_t _plat;
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} DEFAULT platform_default_mp_setmaxid;
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/**
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* @brief Called by cpu_mp_start to start the secondary processors.
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*/
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METHOD void mp_start_ap {
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platform_t _plat;
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};
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/**
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* @brief Called by cpu_reset to reboot.
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*/
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METHOD void cpu_reset {
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platform_t _plat;
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};
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