a2cb5fddcd
functions to call at the appropriate time to register new forth words. In the past we've done this with ifdef soup, but now if the file is included in the build, we'll get the new forth words. Use this new functionality to move the pci bios stuff out of loader.c by moving it to biospci.c. Move the pnp functionality to common/pnp.c. Move the inb/outb forth words to the i386 sysdep.c file where their implementation is defined. Adjust the efi linker scripts and build machinery to cope. his should be an invisible change to forth scripts and user experience. Differential Revision: https://reviews.freebsd.org/D8145
125 lines
4.5 KiB
C
125 lines
4.5 KiB
C
/*-
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* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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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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/*
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* i386 fully-qualified device descriptor.
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* Note, this must match the 'struct devdesc' declaration
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* in bootstrap.h and also with struct zfs_devdesc for zfs
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* support.
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*/
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struct i386_devdesc
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{
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struct devsw *d_dev;
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int d_type;
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int d_unit;
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union
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{
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struct
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{
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void *data;
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int slice;
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int partition;
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off_t offset;
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} biosdisk;
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struct
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{
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void *data;
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} bioscd;
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struct
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{
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void *data;
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uint64_t pool_guid;
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uint64_t root_guid;
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} zfs;
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} d_kind;
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};
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int i386_getdev(void **vdev, const char *devspec, const char **path);
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char *i386_fmtdev(void *vdev);
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int i386_setcurrdev(struct env_var *ev, int flags, const void *value);
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extern struct devdesc currdev; /* our current device */
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#define MAXDEV 31 /* maximum number of distinct devices */
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#define MAXBDDEV MAXDEV
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/* exported devices XXX rename? */
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extern struct devsw bioscd;
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extern struct devsw biosdisk;
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extern struct devsw pxedisk;
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extern struct fs_ops pxe_fsops;
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int bc_add(int biosdev); /* Register CD booted from. */
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int bc_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */
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int bc_bios2unit(int biosdev); /* xlate BIOS device -> bioscd unit */
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int bc_unit2bios(int unit); /* xlate bioscd unit -> BIOS device */
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uint32_t bd_getbigeom(int bunit); /* return geometry in bootinfo format */
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int bd_bios2unit(int biosdev); /* xlate BIOS device -> biosdisk unit */
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int bd_unit2bios(int unit); /* xlate biosdisk unit -> BIOS device */
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int bd_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */
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ssize_t i386_copyin(const void *src, vm_offset_t dest, const size_t len);
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ssize_t i386_copyout(const vm_offset_t src, void *dest, const size_t len);
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ssize_t i386_readin(const int fd, vm_offset_t dest, const size_t len);
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struct preloaded_file;
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void bios_addsmapdata(struct preloaded_file *);
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void bios_getsmap(void);
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void bios_getmem(void);
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extern uint32_t bios_basemem; /* base memory in bytes */
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extern uint32_t bios_extmem; /* extended memory in bytes */
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extern vm_offset_t memtop; /* last address of physical memory + 1 */
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extern vm_offset_t memtop_copyin; /* memtop less heap size for the cases */
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/* when heap is at the top of */
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/* extended memory; for other cases */
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/* just the same as memtop */
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extern uint32_t high_heap_size; /* extended memory region available */
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extern vm_offset_t high_heap_base; /* for use as the heap */
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void biospci_detect(void);
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int biospci_find_devclass(uint32_t class, int index, uint32_t *locator);
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int biospci_read_config(uint32_t locator, int offset, int width, uint32_t *val);
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uint32_t biospci_locator(int8_t bus, uint8_t device, uint8_t function);
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int biospci_write_config(uint32_t locator, int offset, int width, uint32_t val);
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void biosacpi_detect(void);
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int i386_autoload(void);
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int bi_getboothowto(char *kargs);
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void bi_setboothowto(int howto);
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vm_offset_t bi_copyenv(vm_offset_t addr);
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int bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip,
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vm_offset_t *modulep, vm_offset_t *kernend);
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int bi_load64(char *args, vm_offset_t addr, vm_offset_t *modulep,
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vm_offset_t *kernend, int add_smap);
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void pxe_enable(void *pxeinfo);
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