28029b68c0
This is the final step required allowing to compile and to run RISC-V kernel and userland from HEAD. RISC-V is a completely open ISA that is freely available to academia and industry. Thanks to all the people involved! Special thanks to Andrew Turner, David Chisnall, Ed Maste, Konstantin Belousov, John Baldwin and Arun Thomas for their help. Thanks to Robert Watson for organizing this project. This project sponsored by UK Higher Education Innovation Fund (HEIF5) and DARPA CTSRD project at the University of Cambridge Computer Laboratory. FreeBSD/RISC-V project home: https://wiki.freebsd.org/riscv Reviewed by: andrew, emaste, kib Relnotes: Yes Sponsored by: DARPA, AFRL Sponsored by: HEIF5 Differential Revision: https://reviews.freebsd.org/D4982
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/*-
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* Copyright (c) 2002 Poul-Henning Kamp
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by Poul-Henning Kamp
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* and NAI Labs, the Security Research Division of Network Associates, Inc.
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* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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* DARPA CHATS research program.
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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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* 3. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* 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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* $FreeBSD$
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*/
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#ifndef _SYS_KERNELDUMP_H
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#define _SYS_KERNELDUMP_H
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#include <machine/endian.h>
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define dtoh32(x) __bswap32(x)
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#define dtoh64(x) __bswap64(x)
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#define htod32(x) __bswap32(x)
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#define htod64(x) __bswap64(x)
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#elif BYTE_ORDER == BIG_ENDIAN
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#define dtoh32(x) (x)
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#define dtoh64(x) (x)
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#define htod32(x) (x)
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#define htod64(x) (x)
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#endif
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/*
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* All uintX_t fields are in dump byte order, which is the same as
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* network byte order. Use the macros defined above to read or
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* write the fields.
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*/
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struct kerneldumpheader {
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char magic[20];
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#define KERNELDUMPMAGIC "FreeBSD Kernel Dump"
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#define TEXTDUMPMAGIC "FreeBSD Text Dump"
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#define KERNELDUMPMAGIC_CLEARED "Cleared Kernel Dump"
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char architecture[12];
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uint32_t version;
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#define KERNELDUMPVERSION 1
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uint32_t architectureversion;
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#define KERNELDUMP_AARCH64_VERSION 1
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#define KERNELDUMP_AMD64_VERSION 2
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#define KERNELDUMP_ARM_VERSION 1
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#define KERNELDUMP_I386_VERSION 2
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#define KERNELDUMP_MIPS_VERSION 1
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#define KERNELDUMP_POWERPC_VERSION 1
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#define KERNELDUMP_RISCV_VERSION 1
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#define KERNELDUMP_SPARC64_VERSION 1
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#define KERNELDUMP_TEXT_VERSION 1
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uint64_t dumplength; /* excl headers */
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uint64_t dumptime;
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uint32_t blocksize;
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char hostname[64];
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char versionstring[192];
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char panicstring[192];
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uint32_t parity;
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};
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/*
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* Parity calculation is endian insensitive.
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*/
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static __inline u_int32_t
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kerneldump_parity(struct kerneldumpheader *kdhp)
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{
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uint32_t *up, parity;
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u_int i;
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up = (uint32_t *)kdhp;
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parity = 0;
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for (i = 0; i < sizeof *kdhp; i += sizeof *up)
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parity ^= *up++;
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return (parity);
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}
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#ifdef _KERNEL
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struct dump_pa {
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vm_paddr_t pa_start;
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vm_paddr_t pa_size;
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};
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void mkdumpheader(struct kerneldumpheader *kdh, char *magic, uint32_t archver,
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uint64_t dumplen, uint32_t blksz);
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int dumpsys_generic(struct dumperinfo *);
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void dumpsys_map_chunk(vm_paddr_t, size_t, void **);
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typedef int dumpsys_callback_t(struct dump_pa *, int, void *);
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int dumpsys_foreach_chunk(dumpsys_callback_t, void *);
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int dumpsys_cb_dumpdata(struct dump_pa *, int, void *);
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int dumpsys_buf_write(struct dumperinfo *, char *, size_t);
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int dumpsys_buf_flush(struct dumperinfo *);
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void dumpsys_gen_pa_init(void);
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struct dump_pa *dumpsys_gen_pa_next(struct dump_pa *);
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void dumpsys_gen_wbinv_all(void);
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void dumpsys_gen_unmap_chunk(vm_paddr_t, size_t, void *);
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int dumpsys_gen_write_aux_headers(struct dumperinfo *);
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extern int do_minidump;
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#endif
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#endif /* _SYS_KERNELDUMP_H */
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