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      1 /*	$NetBSD: loadfile_machdep.h,v 1.4 2023/10/06 11:45:37 skrll Exp $	 */
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas and Ross Harvey.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #define BOOT_ELF64
     33 
     34 #define LOAD_KERNEL	(LOAD_ALL & ~LOAD_TEXTA)
     35 #define COUNT_KERNEL	(COUNT_ALL & ~COUNT_TEXTA)
     36 
     37 #ifndef MD_LOADSEG
     38 /* XXX: Multiple unwind sections are ignored, and the last one found returned... Fixme! */
     39 extern	vaddr_t ia64_unwindtab;
     40 extern	vsize_t ia64_unwindtablen;
     41 #define MD_LOADSEG(phdr) ((phdr)->p_type == PT_IA_64_UNWIND ? ia64_unwindtab = (phdr)->p_vaddr, ia64_unwindtablen = (phdr)->p_filesz, 1 : 0)
     42 #endif
     43 
     44 #ifdef _STANDALONE
     45 
     46 /* XXX: cherry: This whole thing is glue between the NetBSD pread/vpbcopy etc. etc
     47  *      and the FreeBSD kern_pread/bzero etc. etc. Needs to be cleaned up
     48  *      after discussion.
     49  */
     50 
     51 #include "bootstrap.h"
     52 
     53 #define LOADADDR(a)		((a) + offset)
     54 #define ALIGNENTRY(a)		Error! alpha supports ECOFF and ELF only! /* Fixme: for ia64 */
     55 #define READ(f, b, c)		pread((f), LOADADDR(b), (c))
     56 #define BCOPY(s, d, c)		vpbcopy((s), LOADADDR(d), (c))
     57 #define BZERO(d, c)		pbzero(LOADADDR(d), (c))
     58 #define	WARN(a)			do { \
     59 					(void)printf a; \
     60 					if (errno) \
     61 						(void)printf(": %s\n", \
     62 						             strerror(errno)); \
     63 					else \
     64 						(void)printf("\n"); \
     65 				} while(/* CONSTCOND */0)
     66 #define PROGRESS(a)		(void) printf a
     67 #define ALLOC(a)		alloc(a)
     68 #define DEALLOC(a, b)		dealloc(a, b)
     69 #define OKMAGIC(a)		Error! ia64 supports ELF only!
     70 
     71 
     72 /* XXX: defines below glues NetBSD conventions with bootstrap.h. */
     73 
     74 #define	vpbcopy archsw.arch_copyin
     75 #define	pbzero  kern_bzero
     76 #define pread archsw.arch_readin
     77 
     78 #else
     79 
     80 #define LOADADDR(a)		(((u_long)(a)) + offset)
     81 #define ALIGNENTRY(a)		((u_long)(a))
     82 #define READ(f, b, c)		read((f), (void *)LOADADDR(b), (c))
     83 #define BCOPY(s, d, c)		memcpy((void *)LOADADDR(d), (void *)(s), (c))
     84 #define BZERO(d, c)		memset((void *)LOADADDR(d), 0, (c))
     85 #define WARN(a)			warn a
     86 #define PROGRESS(a)		/* nothing */
     87 #define ALLOC(a)		malloc(a)
     88 #define DEALLOC(a, b)		free(a)
     89 #define OKMAGIC(a)		((a) == OMAGIC)
     90 
     91 ssize_t vread(int, u_long, u_long *, size_t);
     92 void vcopy(u_long, u_long, u_long *, size_t);
     93 void vzero(u_long, u_long *, size_t);
     94 
     95 #endif
     96