Merge into x86/.
This commit is contained in:
maxv
parent
f4ff21336e
commit
0dc41925bb
@ -1,381 +0,0 @@
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/* $NetBSD: bios32.c,v 1.23 2017/08/15 06:04:28 maxv Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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/*
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* Copyright (c) 1999, by UCHIYAMA Yasushi
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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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/*
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* Basic interface to BIOS32 services.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bios32.c,v 1.23 2017/08/15 06:04:28 maxv Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/isa/isareg.h>
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#include <machine/isa_machdep.h>
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#include <machine/segments.h>
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#include <machine/bios32.h>
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#include <x86/smbiosvar.h>
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#include <x86/efi.h>
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#include <uvm/uvm.h>
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#include "ipmi.h"
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#include "opt_xen.h"
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#define BIOS32_START 0xe0000
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#define BIOS32_SIZE 0x20000
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#define BIOS32_END (BIOS32_START + BIOS32_SIZE - 0x10)
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struct bios32_entry bios32_entry;
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struct smbios_entry smbios_entry;
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static int smbios2_check_header(const uint8_t *);
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static void smbios2_map_kva(const uint8_t *);
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static int smbios3_check_header(const uint8_t *);
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static void smbios3_map_kva(const uint8_t *);
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/*
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* Initialize the BIOS32 interface.
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*/
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void
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bios32_init(void)
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{
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#if 0 /* XXXfvdl need to set up compatibility segment for this */
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paddr_t entry = 0;
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uint8_t *p;
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unsigned char cksum;
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int i;
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for (p = (uint8_t *)ISA_HOLE_VADDR(BIOS32_START);
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p < (uint8_t *)ISA_HOLE_VADDR(BIOS32_END);
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p += 16) {
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if (*(int *)p != BIOS32_MAKESIG('_', '3', '2', '_'))
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continue;
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cksum = 0;
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for (i = 0; i < 16; i++)
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cksum += *(unsigned char *)(p + i);
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if (cksum != 0)
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continue;
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if (*(p + 9) != 1)
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continue;
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entry = *(uint32_t *)(p + 4);
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aprint_debug("BIOS32 rev. %d found at 0x%lx\n",
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*(p + 8), entry);
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if (entry < BIOS32_START ||
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entry >= BIOS32_END) {
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aprint_error("BIOS32 entry point outside "
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"allowable range\n");
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entry = 0;
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}
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break;
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}
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if (entry != 0) {
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bios32_entry.offset = (void *)ISA_HOLE_VADDR(entry);
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bios32_entry.segment = GSEL(GCODE_SEL, SEL_KPL);
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}
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#endif
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uint8_t *p;
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/* see if we have SMBIOS extensions */
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#ifndef XEN
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if (efi_probe()) {
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p = efi_getcfgtbl(&EFI_UUID_SMBIOS3);
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if (p != NULL && smbios3_check_header(p)) {
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smbios3_map_kva(p);
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return;
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}
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p = efi_getcfgtbl(&EFI_UUID_SMBIOS);
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if (p != NULL && smbios2_check_header(p)) {
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smbios2_map_kva(p);
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return;
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}
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}
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#endif
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for (p = ISA_HOLE_VADDR(SMBIOS_START);
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p < (uint8_t *)ISA_HOLE_VADDR(SMBIOS_END); p+= 16) {
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if (smbios3_check_header(p)) {
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smbios3_map_kva(p);
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return;
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}
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if (smbios2_check_header(p)) {
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smbios2_map_kva(p);
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return;
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}
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}
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}
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static int
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smbios2_check_header(const uint8_t *p)
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{
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const struct smbhdr *sh = (const struct smbhdr *)p;
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uint8_t chksum;
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int i;
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if (sh->sig != BIOS32_MAKESIG('_', 'S', 'M', '_'))
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return 0;
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i = sh->len;
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for (chksum = 0; i--; )
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chksum += p[i];
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if (chksum != 0)
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return 0;
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p += 0x10;
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if (p[0] != '_' || p[1] != 'D' || p[2] != 'M' ||
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p[3] != 'I' || p[4] != '_')
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return 0;
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for (chksum = 0, i = 0xf; i--; )
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chksum += p[i];
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if (chksum != 0)
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return 0;
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return 1;
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}
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static void
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smbios2_map_kva(const uint8_t *p)
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{
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const struct smbhdr *sh = (const struct smbhdr *)p;
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paddr_t pa, end;
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vaddr_t eva;
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pa = trunc_page(sh->addr);
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end = round_page(sh->addr + sh->size);
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eva = uvm_km_alloc(kernel_map, end - pa, 0, UVM_KMF_VAONLY);
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if (eva == 0)
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return;
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smbios_entry.addr = (uint8_t *)(eva + (sh->addr & PGOFSET));
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smbios_entry.len = sh->size;
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smbios_entry.rev = 0;
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smbios_entry.mjr = sh->majrev;
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smbios_entry.min = sh->minrev;
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smbios_entry.doc = 0;
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smbios_entry.count = sh->count;
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for (; pa < end; pa+= NBPG, eva+= NBPG)
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#ifdef XEN
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pmap_kenter_ma(eva, pa, VM_PROT_READ, 0);
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#else
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pmap_kenter_pa(eva, pa, VM_PROT_READ, 0);
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#endif
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pmap_update(pmap_kernel());
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aprint_debug("SMBIOS rev. %d.%d @ 0x%lx (%d entries)\n",
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sh->majrev, sh->minrev, (u_long)sh->addr,
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sh->count);
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}
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static int
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smbios3_check_header(const uint8_t *p)
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{
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const struct smb3hdr *sh = (const struct smb3hdr *)p;
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uint8_t chksum;
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int i;
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if (p[0] != '_' || p[1] != 'S' || p[2] != 'M' ||
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p[3] != '3' || p[4] != '_')
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return 0;
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i = sh->len;
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for (chksum = 0; i--; )
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chksum += p[i];
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if (chksum != 0)
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return 0;
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if (sh->eprev != SMBIOS3_EPREV_3_0)
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return 0;
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return 1;
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}
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static void
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smbios3_map_kva(const uint8_t *p)
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{
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const struct smb3hdr *sh = (const struct smb3hdr *)p;
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paddr_t pa, end;
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vaddr_t eva;
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pa = trunc_page(sh->addr);
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end = round_page(sh->addr + sh->size);
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eva = uvm_km_alloc(kernel_map, end - pa, 0, UVM_KMF_VAONLY);
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if (eva == 0)
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return;
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smbios_entry.addr = (uint8_t *)(eva + ((vaddr_t)sh->addr & PGOFSET));
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smbios_entry.len = sh->size;
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smbios_entry.rev = sh->eprev;
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smbios_entry.mjr = sh->majrev;
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smbios_entry.min = sh->minrev;
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smbios_entry.doc = sh->docrev;
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smbios_entry.count = UINT16_MAX;
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for (; pa < end; pa += NBPG, eva += NBPG)
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#ifdef XEN
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pmap_kenter_ma(eva, pa, VM_PROT_READ, 0);
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#else
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pmap_kenter_pa(eva, pa, VM_PROT_READ, 0);
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#endif
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pmap_update(pmap_kernel());
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aprint_debug("SMBIOS rev. %d.%d.%d @ 0x%lx\n",
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sh->majrev, sh->minrev, sh->docrev, (u_long)sh->addr);
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}
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/*
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* Call BIOS32 to locate the specified BIOS32 service, and fill
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* in the entry point information.
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*/
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int
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bios32_service(uint32_t service, bios32_entry_t e, bios32_entry_info_t ei)
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{
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(void)service;
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(void)e;
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(void)ei;
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panic("bios32_service not implemented on amd64");
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return (1);
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}
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/*
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* smbios_find_table() takes a caller supplied smbios struct type and
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* a pointer to a handle (struct smbtable) returning one if the structure
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* is sucessfully located and zero otherwise. Callers should take care
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* to initilize the cookie field of the smbtable structure to zero before
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* the first invocation of this function.
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* Multiple tables of the same type can be located by repeadtly calling
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* smbios_find_table with the same arguments.
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*/
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int
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smbios_find_table(uint8_t type, struct smbtable *st)
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{
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uint8_t *va, *end;
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struct smbtblhdr *hdr;
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int ret = 0, tcount = 1;
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va = smbios_entry.addr;
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end = va + smbios_entry.len;
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/*
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* The cookie field of the smtable structure is used to locate
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* multiple instances of a table of an arbitrary type. Following the
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* sucessful location of a table, the type is encoded as bits 0:7 of
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* the cookie value, the offset in terms of the number of structures
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* preceding that referenced by the handle is encoded in bits 15:31.
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*/
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if ((st->cookie & 0xfff) == type && st->cookie >> 16) {
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if ((uint8_t *)st->hdr >= va && (uint8_t *)st->hdr < end) {
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hdr = st->hdr;
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if (hdr->type == type) {
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va = (uint8_t *)hdr + hdr->size;
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for (; va + 1 < end; va++)
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if (*va == 0 && *(va + 1) == 0)
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break;
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va+= 2;
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tcount = st->cookie >> 16;
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}
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}
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}
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for (; va + sizeof(struct smbtblhdr) < end && tcount <=
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smbios_entry.count; tcount++) {
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hdr = (struct smbtblhdr *)va;
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if (hdr->type == type) {
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ret = 1;
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st->hdr = hdr;
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st->tblhdr = va + sizeof(struct smbtblhdr);
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st->cookie = (tcount + 1) << 16 | type;
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break;
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}
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if (hdr->type == SMBIOS_TYPE_EOT)
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break;
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va+= hdr->size;
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for (; va + 1 < end; va++)
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if (*va == 0 && *(va + 1) == 0)
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break;
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va+=2;
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}
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return ret;
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}
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char *
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smbios_get_string(struct smbtable *st, uint8_t indx, char *dest, size_t len)
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{
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uint8_t *va, *end;
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char *ret = NULL;
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int i;
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va = (uint8_t *)st->hdr + st->hdr->size;
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end = smbios_entry.addr + smbios_entry.len;
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for (i = 1; va < end && i < indx && *va; i++)
|
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while (*va++)
|
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;
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||||
if (i == indx) {
|
||||
if (va + len < end) {
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ret = dest;
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||||
memcpy(ret, va, len);
|
||||
ret[len - 1] = '\0';
|
||||
}
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||||
}
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return ret;
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||||
}
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@ -1,4 +1,4 @@
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# $NetBSD: files.amd64,v 1.90 2017/08/01 13:47:49 maxv Exp $
|
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# $NetBSD: files.amd64,v 1.91 2017/08/15 06:27:40 maxv Exp $
|
||||
#
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||||
# new style config file for amd64 architecture
|
||||
#
|
||||
@ -84,10 +84,6 @@ file dev/md_root.c memory_disk_hooks
|
||||
|
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include "dev/i2o/files.i2o"
|
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|
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# BIOS32 routines
|
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define bios32
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file arch/amd64/amd64/bios32.c bios32 needs-flag
|
||||
|
||||
#
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||||
# System bus types
|
||||
#
|
||||
|
||||
@ -1,4 +1,4 @@
|
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# $NetBSD: files.i386,v 1.385 2017/08/12 06:46:13 maxv Exp $
|
||||
# $NetBSD: files.i386,v 1.386 2017/08/15 06:27:40 maxv Exp $
|
||||
#
|
||||
# new style config file for i386 architecture
|
||||
#
|
||||
@ -117,10 +117,6 @@ include "dev/i2o/files.i2o"
|
||||
define bioscall
|
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file arch/i386/i386/bioscall.S bioscall needs-flag
|
||||
|
||||
# BIOS32 routines
|
||||
define bios32
|
||||
file arch/i386/i386/bios32.c bios32 needs-flag
|
||||
|
||||
# i386 specific mainbus attributes
|
||||
define apmbus {}
|
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define pnpbiosbus {}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# $NetBSD: files.x86,v 1.88 2017/03/10 14:40:56 maxv Exp $
|
||||
# $NetBSD: files.x86,v 1.89 2017/08/15 06:27:40 maxv Exp $
|
||||
|
||||
# options for MP configuration through the MP spec
|
||||
defflag opt_mpbios.h MPBIOS MPVERBOSE MPDEBUG MPBIOS_SCANPCI
|
||||
@ -21,6 +21,10 @@ define cpufeaturebus {}
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||||
define ioapicbus { [apid = -1] }
|
||||
define ipmibus {}
|
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|
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# BIOS32 routines
|
||||
define bios32
|
||||
file arch/x86/x86/bios32.c bios32 needs-flag
|
||||
|
||||
#
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||||
# CPU features
|
||||
#
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: bios32.c,v 1.32 2017/08/15 06:04:28 maxv Exp $ */
|
||||
/* $NetBSD: bios32.c,v 1.1 2017/08/15 06:27:40 maxv Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
||||
@ -86,7 +86,7 @@
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: bios32.c,v 1.32 2017/08/15 06:04:28 maxv Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: bios32.c,v 1.1 2017/08/15 06:27:40 maxv Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
@ -123,8 +123,9 @@ static void smbios3_map_kva(const uint8_t *);
|
||||
void
|
||||
bios32_init(void)
|
||||
{
|
||||
paddr_t entry = 0;
|
||||
uint8_t *p;
|
||||
#ifdef i386
|
||||
paddr_t entry = 0;
|
||||
unsigned char cksum;
|
||||
int i;
|
||||
|
||||
@ -161,6 +162,7 @@ bios32_init(void)
|
||||
bios32_entry.offset = (void *)ISA_HOLE_VADDR(entry);
|
||||
bios32_entry.segment = GSEL(GCODE_SEL, SEL_KPL);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* see if we have SMBIOS extensions */
|
||||
#ifndef XEN
|
||||
@ -267,11 +269,6 @@ smbios3_check_header(const uint8_t *p)
|
||||
return 0;
|
||||
if (sh->eprev != SMBIOS3_EPREV_3_0)
|
||||
return 0;
|
||||
if (sh->addr & 0xffffffff00000000ULL) {
|
||||
aprint_error("Unable to access SMBIOS3 address: "
|
||||
"0x%" PRIx64 "\n", sh->addr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
@ -316,6 +313,7 @@ smbios3_map_kva(const uint8_t *p)
|
||||
int
|
||||
bios32_service(uint32_t service, bios32_entry_t e, bios32_entry_info_t ei)
|
||||
{
|
||||
#ifdef i386
|
||||
uint32_t eax, ebx, ecx, edx;
|
||||
paddr_t entry;
|
||||
|
||||
@ -347,6 +345,12 @@ bios32_service(uint32_t service, bios32_entry_t e, bios32_entry_info_t ei)
|
||||
ei->bei_base = ebx;
|
||||
ei->bei_size = ecx;
|
||||
ei->bei_entry = entry;
|
||||
#else
|
||||
(void)service;
|
||||
(void)e;
|
||||
(void)ei;
|
||||
panic("bios32_service not implemented on amd64");
|
||||
#endif
|
||||
|
||||
return (1);
|
||||
}
|
||||
@ -1,4 +1,4 @@
|
||||
# $NetBSD: files.xen,v 1.154 2017/08/12 07:21:57 maxv Exp $
|
||||
# $NetBSD: files.xen,v 1.155 2017/08/15 06:27:39 maxv Exp $
|
||||
# NetBSD: files.x86,v 1.10 2003/10/08 17:30:00 bouyer Exp
|
||||
# NetBSD: files.i386,v 1.254 2004/03/25 23:32:10 jmc Exp
|
||||
|
||||
@ -152,11 +152,7 @@ include "arch/xen/conf/files.compat"
|
||||
|
||||
# BIOS32 routines
|
||||
define bios32
|
||||
ifdef i386
|
||||
file arch/i386/i386/bios32.c bios32 needs-flag
|
||||
elifdef amd64
|
||||
file arch/amd64/amd64/bios32.c bios32 needs-flag
|
||||
endif
|
||||
file arch/x86/x86/bios32.c bios32 needs-flag
|
||||
|
||||
# xen specific mainbus attributes
|
||||
define cpubus { [apid = -1] }
|
||||
|
||||
Loading…
Reference in New Issue
Block a user