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head/sys/mips/mips/minidump_machdep.c
Show First 20 Lines • Show All 199 Lines • ▼ Show 20 Lines | minidumpsys(struct dumperinfo *di) | ||||
for (pa = 0; pa < phys_avail[0]; pa += PAGE_SIZE) { | for (pa = 0; pa < phys_avail[0]; pa += PAGE_SIZE) { | ||||
if (is_dumpable(pa)) | if (is_dumpable(pa)) | ||||
dump_add_page(pa); | dump_add_page(pa); | ||||
} | } | ||||
/* Calculate dump size. */ | /* Calculate dump size. */ | ||||
dumpsize = ptesize; | dumpsize = ptesize; | ||||
dumpsize += round_page(msgbufp->msg_size); | dumpsize += round_page(msgbufp->msg_size); | ||||
dumpsize += round_page(sizeof(dump_avail)); | |||||
dumpsize += round_page(BITSET_SIZE(vm_page_dump_pages)); | dumpsize += round_page(BITSET_SIZE(vm_page_dump_pages)); | ||||
VM_PAGE_DUMP_FOREACH(pa) { | VM_PAGE_DUMP_FOREACH(pa) { | ||||
/* Clear out undumpable pages now if needed */ | /* Clear out undumpable pages now if needed */ | ||||
if (is_dumpable(pa)) | if (is_dumpable(pa)) | ||||
dumpsize += PAGE_SIZE; | dumpsize += PAGE_SIZE; | ||||
else | else | ||||
dump_drop_page(pa); | dump_drop_page(pa); | ||||
} | } | ||||
dumpsize += PAGE_SIZE; | dumpsize += PAGE_SIZE; | ||||
progress = dumpsize; | progress = dumpsize; | ||||
/* 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 = round_page(BITSET_SIZE(vm_page_dump_pages)); | mdhdr.bitmapsize = round_page(BITSET_SIZE(vm_page_dump_pages)); | ||||
mdhdr.ptesize = ptesize; | mdhdr.ptesize = ptesize; | ||||
mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS; | mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS; | ||||
mdhdr.dumpavailsize = round_page(sizeof(dump_avail)); | |||||
dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_MIPS_VERSION, | dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_MIPS_VERSION, | ||||
dumpsize); | dumpsize); | ||||
error = dump_start(di, &kdh); | error = dump_start(di, &kdh); | ||||
if (error != 0) | if (error != 0) | ||||
goto fail; | goto fail; | ||||
printf("Dumping %llu out of %ju MB:", (long long)dumpsize >> 20, | printf("Dumping %llu out of %ju MB:", (long long)dumpsize >> 20, | ||||
ptoa((uintmax_t)physmem) / 1048576); | ptoa((uintmax_t)physmem) / 1048576); | ||||
/* Dump my header */ | /* Dump my header */ | ||||
bzero(tmpbuffer, sizeof(tmpbuffer)); | bzero(tmpbuffer, sizeof(tmpbuffer)); | ||||
bcopy(&mdhdr, tmpbuffer, sizeof(mdhdr)); | bcopy(&mdhdr, tmpbuffer, sizeof(mdhdr)); | ||||
error = write_buffer(di, tmpbuffer, PAGE_SIZE); | error = write_buffer(di, tmpbuffer, PAGE_SIZE); | ||||
if (error) | if (error) | ||||
goto fail; | goto fail; | ||||
/* Dump msgbuf up front */ | /* Dump msgbuf up front */ | ||||
error = write_buffer(di, (char *)msgbufp->msg_ptr, | error = write_buffer(di, (char *)msgbufp->msg_ptr, | ||||
round_page(msgbufp->msg_size)); | round_page(msgbufp->msg_size)); | ||||
if (error) | |||||
goto fail; | |||||
/* Dump dump_avail */ | |||||
_Static_assert(sizeof(dump_avail) <= sizeof(tmpbuffer), | |||||
"Large dump_avail not handled"); | |||||
bzero(tmpbuffer, sizeof(tmpbuffer)); | |||||
memcpy(tmpbuffer, dump_avail, sizeof(dump_avail)); | |||||
error = write_buffer(di, tmpbuffer, PAGE_SIZE); | |||||
if (error) | if (error) | ||||
goto fail; | goto fail; | ||||
/* Dump bitmap */ | /* Dump bitmap */ | ||||
error = write_buffer(di, (char *)vm_page_dump, | error = write_buffer(di, (char *)vm_page_dump, | ||||
round_page(BITSET_SIZE(vm_page_dump_pages))); | round_page(BITSET_SIZE(vm_page_dump_pages))); | ||||
if (error) | if (error) | ||||
goto fail; | goto fail; | ||||
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