diff options
Diffstat (limited to 'sys/boot/efi/libefi/elf_freebsd.c')
| -rw-r--r-- | sys/boot/efi/libefi/elf_freebsd.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/sys/boot/efi/libefi/elf_freebsd.c b/sys/boot/efi/libefi/elf_freebsd.c deleted file mode 100644 index 93cfdbd..0000000 --- a/sys/boot/efi/libefi/elf_freebsd.c +++ /dev/null @@ -1,212 +0,0 @@ -/* $NetBSD: loadfile.c,v 1.10 1998/06/25 06:45:46 ross Exp $ */ - -/*- - * Copyright (c) 1997 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, - * NASA Ames Research Center. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -/* - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Ralph Campbell. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)boot.c 8.1 (Berkeley) 6/10/93 - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <stand.h> -#include <string.h> - -#include <sys/param.h> -#include <sys/linker.h> -#include <machine/elf.h> -#include <machine/bootinfo.h> -#include <machine/ia64_cpu.h> -#include <machine/pte.h> -#include <machine/vmparam.h> - -#include <efi.h> -#include <efilib.h> - -#include "bootstrap.h" - -#define _KERNEL - -static int elf64_exec(struct preloaded_file *amp); - -struct file_format ia64_elf = { elf64_loadfile, elf64_exec }; - -static __inline u_int64_t -disable_ic() -{ - u_int64_t psr; - __asm __volatile("mov %0=psr;;" : "=r" (psr)); - __asm __volatile("rsm psr.ic|psr.i;; srlz.i;;"); - return psr; -} - -static __inline void -restore_ic(u_int64_t psr) -{ - __asm __volatile("mov psr.l=%0;; srlz.i" :: "r" (psr)); -} - -/* - * Entered with psr.ic and psr.i both zero. - */ -void -enter_kernel(u_int64_t start, struct bootinfo *bi) -{ - u_int64_t psr; - - __asm __volatile("srlz.i;;"); - __asm __volatile("mov cr.ipsr=%0" - :: "r"(IA64_PSR_IC - | IA64_PSR_DT - | IA64_PSR_RT - | IA64_PSR_IT - | IA64_PSR_BN)); - __asm __volatile("mov cr.iip=%0" :: "r"(start)); - __asm __volatile("mov cr.ifs=r0;;"); - __asm __volatile("mov ar.rsc=0;; flushrs;;"); - __asm __volatile("mov r8=%0" :: "r" (bi)); - __asm __volatile("rfi;;"); -} - -static int -elf64_exec(struct preloaded_file *fp) -{ - struct file_metadata *md; - Elf_Ehdr *hdr; - pt_entry_t pte; - struct bootinfo *bi; - u_int64_t psr; - UINTN mapkey, pages, size; - UINTN descsz; - UINT32 descver; - EFI_STATUS status; - - if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) - return(EFTYPE); /* XXX actually EFUCKUP */ - hdr = (Elf_Ehdr *)&(md->md_data); - - /* - * Allocate enough pages to hold the bootinfo block and the memory - * map EFI will return to us. The memory map has an unknown size, - * so we have to determine that first. Note that the AllocatePages - * call can itself modify the memory map, so we have to take that - * into account as well. The changes to the memory map are caused - * by splitting a range of free memory into two (AFAICT), so that - * one is marked as being loader data. - */ - size = 0; - descsz = sizeof(EFI_MEMORY_DESCRIPTOR); - BS->GetMemoryMap(&size, NULL, &mapkey, &descsz, &descver); - size += descsz + ((sizeof(struct bootinfo) + 0x0f) & ~0x0f); - pages = EFI_SIZE_TO_PAGES(size); - status = BS->AllocatePages(AllocateAnyPages, EfiLoaderData, pages, - (void*)&bi); - if (EFI_ERROR(status)) { - printf("unable to create bootinfo block (status=0x%lx)\n", - (long)status); - return (ENOMEM); - } - - bzero(bi, sizeof(struct bootinfo)); - bi_load(bi, fp, &mapkey, pages); - - printf("Entering %s at 0x%lx...\n", fp->f_name, hdr->e_entry); - - status = BS->ExitBootServices(IH, mapkey); - if (EFI_ERROR(status)) { - printf("ExitBootServices returned 0x%lx\n", status); - return (EINVAL); - } - - psr = disable_ic(); - - /* - * Region 6 is direct mapped UC and region 7 is direct mapped - * WC. The details of this is controlled by the Alt {I,D}TLB - * handlers. Here we just make sure that they have the largest - * possible page size to minimise TLB usage. - */ - ia64_set_rr(IA64_RR_BASE(6), (6 << 8) | (28 << 2)); - ia64_set_rr(IA64_RR_BASE(7), (7 << 8) | (28 << 2)); - - pte = PTE_PRESENT | PTE_MA_WB | PTE_ACCESSED | PTE_DIRTY | - PTE_PL_KERN | PTE_AR_RWX; - - __asm __volatile("mov cr.ifa=%0" :: "r"(IA64_RR_BASE(7))); - __asm __volatile("mov cr.itir=%0" :: "r"(28 << 2)); - __asm __volatile("ptr.i %0,%1" :: "r"(IA64_RR_BASE(7)), "r"(28<<2)); - __asm __volatile("ptr.d %0,%1" :: "r"(IA64_RR_BASE(7)), "r"(28<<2)); - __asm __volatile("srlz.i;;"); - __asm __volatile("itr.i itr[%0]=%1;;" :: "r"(0), "r"(pte)); - __asm __volatile("srlz.i;;"); - __asm __volatile("itr.d dtr[%0]=%1;;" :: "r"(0), "r"(pte)); - __asm __volatile("srlz.i;;"); - - enter_kernel(hdr->e_entry, bi); - - restore_ic(psr); -} |
