Page MenuHomeFreeBSD
Differential D4712 Diff 15199 sys/arm/arm/minidump_machdep.c

Changeset View

Standalone View

View Options

sys/arm/arm/minidump_machdep.c

Show First 20 Lines • Show All 289 Lines • ▼ Show 20 Lines while (bits) {
dump_drop_page(pa); dump_drop_page(pa);
bits &= ~(1ul << bit); bits &= ~(1ul << bit);
} }
} }
dumpsize += PAGE_SIZE; dumpsize += PAGE_SIZE;
/* Determine dump offset on device. */ /* Determine dump offset on device. */
if (di->mediasize < SIZEOF_METADATA + dumpsize + sizeof(kdh) * 2) { if (di->mediasize < SIZEOF_METADATA + dumpsize + sizeof(kdh) * 2 +
kerneldumpcrypto_dumpkeysize(di->kdc)) {
error = ENOSPC; error = ENOSPC;
goto fail; goto fail;
} }
dumplo = di->mediaoffset + di->mediasize - dumpsize; dumplo = di->mediaoffset + di->mediasize - dumpsize;
dumplo -= sizeof(kdh) * 2; dumplo -= sizeof(kdh) * 2;
dumplo -= kerneldumpcrypto_dumpkeysize(di->kdc);
progress = dumpsize; progress = dumpsize;
/* Initialize kernel dump crypto. */
error = kerneldumpcrypto_init(di->kdc);
if (error)
goto fail;
/* Initialize mdhdr */ /* Initialize mdhdr */
bzero(&mdhdr, sizeof(mdhdr)); bzero(&mdhdr, sizeof(mdhdr));
strcpy(mdhdr.magic, MINIDUMP_MAGIC); strcpy(mdhdr.magic, MINIDUMP_MAGIC);
mdhdr.version = MINIDUMP_VERSION; mdhdr.version = MINIDUMP_VERSION;
mdhdr.msgbufsize = msgbufp->msg_size; mdhdr.msgbufsize = msgbufp->msg_size;
mdhdr.bitmapsize = vm_page_dump_size; mdhdr.bitmapsize = vm_page_dump_size;
mdhdr.ptesize = ptesize; mdhdr.ptesize = ptesize;
mdhdr.kernbase = KERNBASE; mdhdr.kernbase = KERNBASE;
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_ARM_VERSION, dumpsize, mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_ARM_VERSION, dumpsize,
di->blocksize); kerneldumpcrypto_dumpkeysize(di->kdc), di->blocksize);
printf("Physical memory: %u MB\n", ptoa((uintmax_t)physmem) / 1048576); printf("Physical memory: %u MB\n", ptoa((uintmax_t)physmem) / 1048576);
printf("Dumping %llu MB:", (long long)dumpsize >> 20); printf("Dumping %llu MB:", (long long)dumpsize >> 20);
/* Dump leader */ /* Dump leader */
error = dump_write(di, &kdh, 0, dumplo, sizeof(kdh)); error = dump_write_header(di, &kdh, 0, dumplo);
if (error) if (error)
goto fail; goto fail;
dumplo += sizeof(kdh); dumplo += sizeof(kdh);
/* Dump key */
error = dump_write_key(di, 0, dumplo);
if (error)
goto fail;
dumplo += kerneldumpcrypto_dumpkeysize(di->kdc);
/* Dump my header */ /* Dump my header */
bzero(&fakept, sizeof(fakept)); bzero(&fakept, sizeof(fakept));
bcopy(&mdhdr, &fakept, sizeof(mdhdr)); bcopy(&mdhdr, &fakept, sizeof(mdhdr));
error = blk_write(di, (char *)&fakept, 0, PAGE_SIZE); error = blk_write(di, (char *)&fakept, 0, PAGE_SIZE);
if (error) if (error)
goto fail; goto fail;
/* Dump msgbuf up front */ /* Dump msgbuf up front */
▲ Show 20 Lines • Show All 114 Lines • ▼ Show 20 Lines if (count) {
error = blk_write_cont(di, prev_pa, count * PAGE_SIZE); error = blk_write_cont(di, prev_pa, count * PAGE_SIZE);
if (error) if (error)
goto fail; goto fail;
count = 0; count = 0;
prev_pa = 0; prev_pa = 0;
} }
/* Dump trailer */ /* Dump trailer */
error = dump_write(di, &kdh, 0, dumplo, sizeof(kdh)); error = dump_write_header(di, &kdh, 0, dumplo);
if (error) if (error)
goto fail; goto fail;
dumplo += sizeof(kdh); dumplo += sizeof(kdh);
/* Signal completion, signoff and exit stage left. */ /* Signal completion, signoff and exit stage left. */
dump_write(di, NULL, 0, 0, 0); dump_write(di, NULL, 0, 0, 0);
printf("\nDump complete\n"); printf("\nDump complete\n");
return (0); return (0);
▲ Show 20 Lines • Show All 47 Lines • Show Last 20 Lines