Add another copy of the ia64 dump_machdep.c.
This commit is contained in:
Jake Burkholder
parent
5b3bcd0c77
commit
c0db03795f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=96485
299
sys/sparc64/sparc64/dump_machdep.c
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299
sys/sparc64/sparc64/dump_machdep.c
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@ -0,0 +1,299 @@
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/*
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* Copyright (c) 2002 Marcel Moolenaar
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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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*
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/kerneldump.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/bootinfo.h>
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#include <machine/efi.h>
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#include <machine/elf.h>
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#include <machine/md_var.h>
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CTASSERT(sizeof(struct kerneldumpheader) == 512);
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#define MD_ALIGN(x) (((off_t)(x) + EFI_PAGE_MASK) & ~EFI_PAGE_MASK)
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#define DEV_ALIGN(x) (((off_t)(x) + (DEV_BSIZE-1)) & ~(DEV_BSIZE-1))
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typedef int callback_t(EFI_MEMORY_DESCRIPTOR*, int, void*);
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static struct kerneldumpheader kdh;
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static off_t dumplo, fileofs;
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/* Handle buffered writes. */
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static char buffer[DEV_BSIZE];
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static size_t fragsz;
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/* XXX should be MI */
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static void
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mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
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uint32_t blksz)
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{
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bzero(kdh, sizeof(*kdh));
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strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
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strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
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kdh->version = htod32(KERNELDUMPVERSION);
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kdh->architectureversion = htod32(archver);
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kdh->dumplength = htod64(dumplen);
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kdh->dumptime = htod64(time_second);
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kdh->blocksize = htod32(blksz);
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strncpy(kdh->hostname, hostname, sizeof(kdh->hostname));
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strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
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if (panicstr != NULL)
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strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
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kdh->parity = kerneldump_parity(kdh);
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}
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static int
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buf_write(struct dumperinfo *di, char *ptr, size_t sz)
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{
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size_t len;
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int error;
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while (sz) {
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len = DEV_BSIZE - fragsz;
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if (len > sz)
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len = sz;
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bcopy(ptr, buffer + fragsz, len);
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fragsz += len;
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ptr += len;
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sz -= len;
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if (fragsz == DEV_BSIZE) {
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error = di->dumper(di->priv, buffer, NULL, dumplo,
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DEV_BSIZE);
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if (error)
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return error;
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dumplo += DEV_BSIZE;
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fragsz = 0;
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}
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}
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return (0);
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}
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static int
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buf_flush(struct dumperinfo *di)
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{
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int error;
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if (fragsz == 0)
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return (0);
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error = di->dumper(di->priv, buffer, NULL, dumplo, DEV_BSIZE);
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dumplo += DEV_BSIZE;
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return (error);
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}
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static int
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cb_dumpdata(EFI_MEMORY_DESCRIPTOR *mdp, int seqnr, void *arg)
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{
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struct dumperinfo *di = (struct dumperinfo*)arg;
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vm_offset_t pa;
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uint64_t pgs;
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size_t counter, sz;
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int error, twiddle;
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error = 0; /* catch case in which mdp->NumberOfPages is 0 */
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counter = 0; /* Update twiddle every 16MB */
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twiddle = 0;
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pgs = mdp->NumberOfPages;
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pa = IA64_PHYS_TO_RR7(mdp->PhysicalStart);
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printf(" chunk %d: %ld pages ", seqnr, (long)pgs);
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while (pgs) {
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sz = (pgs > (DFLTPHYS >> EFI_PAGE_SHIFT))
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? DFLTPHYS : pgs << EFI_PAGE_SHIFT;
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counter += sz;
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if (counter >> 24) {
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printf("%c\b", "|/-\\"[twiddle++ & 3]);
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counter &= (1<<24) - 1;
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}
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error = di->dumper(di->priv, (void*)pa, NULL, dumplo, sz);
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if (error)
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break;
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dumplo += sz;
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pgs -= sz >> EFI_PAGE_SHIFT;
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pa += sz;
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}
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printf("... %s\n", (error) ? "fail" : "ok");
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return (error);
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}
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static int
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cb_dumphdr(EFI_MEMORY_DESCRIPTOR *mdp, int seqnr, void *arg)
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{
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struct dumperinfo *di = (struct dumperinfo*)arg;
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Elf64_Phdr phdr;
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int error;
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bzero(&phdr, sizeof(phdr));
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phdr.p_type = PT_LOAD;
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phdr.p_flags = PF_R; /* XXX */
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phdr.p_offset = fileofs;
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phdr.p_vaddr = mdp->VirtualStart; /* XXX probably bogus. */
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phdr.p_paddr = mdp->PhysicalStart;
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phdr.p_filesz = mdp->NumberOfPages << EFI_PAGE_SHIFT;
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phdr.p_memsz = mdp->NumberOfPages << EFI_PAGE_SHIFT;
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phdr.p_align = EFI_PAGE_SIZE;
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error = buf_write(di->priv, (char*)&phdr, sizeof(phdr));
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fileofs += phdr.p_filesz;
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return (error);
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}
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static int
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cb_size(EFI_MEMORY_DESCRIPTOR *mdp, int seqnr, void *arg)
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{
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uint64_t *sz = (uint64_t*)arg;
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*sz += (uint64_t)mdp->NumberOfPages << EFI_PAGE_SHIFT;
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return (0);
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}
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static int
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foreach_chunk(callback_t cb, void *arg)
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{
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EFI_MEMORY_DESCRIPTOR *mdp;
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int error, i, mdcount, seqnr;
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mdp = (EFI_MEMORY_DESCRIPTOR *)IA64_PHYS_TO_RR7(bootinfo.bi_memmap);
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mdcount = bootinfo.bi_memmap_size / bootinfo.bi_memdesc_size;
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if (mdp == NULL || mdcount == 0)
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return (0);
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for (i = 0, seqnr = 0; i < mdcount; i++) {
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if (mdp->Type == EfiConventionalMemory) {
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error = (*cb)(mdp, seqnr++, arg);
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if (error)
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return (-error);
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}
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mdp = NextMemoryDescriptor(mdp, bootinfo.bi_memdesc_size);
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}
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return (seqnr);
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}
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void
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dumpsys(struct dumperinfo *di)
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{
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Elf64_Ehdr ehdr;
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uint64_t dumpsize;
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off_t hdrgap;
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size_t hdrsz;
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int error;
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bzero(&ehdr, sizeof(ehdr));
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ehdr.e_ident[EI_MAG0] = ELFMAG0;
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ehdr.e_ident[EI_MAG1] = ELFMAG1;
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ehdr.e_ident[EI_MAG2] = ELFMAG2;
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ehdr.e_ident[EI_MAG3] = ELFMAG3;
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ehdr.e_ident[EI_CLASS] = ELFCLASS64;
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#if BYTE_ORDER == LITTLE_ENDIAN
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ehdr.e_ident[EI_DATA] = ELFDATA2LSB;
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#else
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ehdr.e_ident[EI_DATA] = ELFDATA2MSB;
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#endif
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ehdr.e_ident[EI_VERSION] = EV_CURRENT;
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ehdr.e_ident[EI_OSABI] = ELFOSABI_STANDALONE; /* XXX big picture? */
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ehdr.e_type = ET_CORE;
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ehdr.e_machine = EM_IA_64;
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ehdr.e_phoff = sizeof(ehdr);
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ehdr.e_flags = EF_IA_64_ABSOLUTE; /* XXX misuse? */
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ehdr.e_ehsize = sizeof(ehdr);
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ehdr.e_phentsize = sizeof(Elf64_Phdr);
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ehdr.e_shentsize = sizeof(Elf64_Shdr);
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/* Calculate dump size. */
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dumpsize = 0L;
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ehdr.e_phnum = foreach_chunk(cb_size, &dumpsize);
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hdrsz = ehdr.e_phoff + ehdr.e_phnum * ehdr.e_phentsize;
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fileofs = MD_ALIGN(hdrsz);
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dumpsize += fileofs;
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hdrgap = fileofs - DEV_ALIGN(hdrsz);
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/* Determine dump offset on device. */
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dumplo = di->mediaoffset + di->mediasize - dumpsize;
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dumplo -= sizeof(kdh) * 2;
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mkdumpheader(&kdh, KERNELDUMP_IA64_VERSION, dumpsize, di->blocksize);
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printf("Dumping %llu MB (%d chunks)\n", dumpsize >> 20, ehdr.e_phnum);
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/* Dump leader */
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error = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof(kdh));
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if (error)
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goto fail;
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dumplo += sizeof(kdh);
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/* Dump ELF header */
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error = buf_write(di, (char*)&ehdr, sizeof(ehdr));
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if (error)
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goto fail;
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/* Dump program headers */
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error = foreach_chunk(cb_dumphdr, di);
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if (error < 0)
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goto fail;
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buf_flush(di);
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/*
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* All headers are written using blocked I/O, so we know the
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* current offset is (still) block aligned. Skip the alignement
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* in the file to have the segment contents aligned at page
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* boundary. We cannot use MD_ALIGN on dumplo, because we don't
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* care and may very well be unaligned within the dump device.
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*/
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dumplo += hdrgap;
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/* Dump memory chunks (updates dumplo) */
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error = foreach_chunk(cb_dumpdata, di);
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if (error < 0)
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goto fail;
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/* Dump trailer */
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error = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof(kdh));
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if (error)
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goto fail;
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/* Signal completion, signoff and exit stage left. */
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di->dumper(di->priv, NULL, NULL, 0, 0);
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printf("\nDump complete\n");
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return;
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fail:
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if (error < 0)
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error = -error;
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/* XXX It should look more like VMS :-) */
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printf("** DUMP FAILED (ERROR %d) **\n", error);
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}
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