Differential D26131 Diff 76446 sys/powerpc/powerpc/minidump_machdep.c

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sys/powerpc/powerpc/minidump_machdep.c

Show First 20 Lines • Show All 265 Lines • ▼ Show 20 Lines	retry:
if (pmapsize % PAGE_SIZE != 0) {		if (pmapsize % PAGE_SIZE != 0) {
printf("pmapsize not page aligned: 0x%x\n", pmapsize);		printf("pmapsize not page aligned: 0x%x\n", pmapsize);
return (EINVAL);		return (EINVAL);
}		}

/* Calculate dump size */		/* Calculate dump size */
dumpsize = PAGE_SIZE; /* header */		dumpsize = PAGE_SIZE; /* header */
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));
dumpsize += pmapsize;		dumpsize += pmapsize;
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);
Show All 10 Lines	retry:
mdhdr.pmapsize = pmapsize;		mdhdr.pmapsize = pmapsize;
mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS;		mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS;
mdhdr.kernend = VM_MAX_SAFE_KERNEL_ADDRESS;		mdhdr.kernend = VM_MAX_SAFE_KERNEL_ADDRESS;
mdhdr.dmapbase = DMAP_BASE_ADDRESS;		mdhdr.dmapbase = DMAP_BASE_ADDRESS;
mdhdr.dmapend = DMAP_MAX_ADDRESS;		mdhdr.dmapend = DMAP_MAX_ADDRESS;
mdhdr.hw_direct_map = hw_direct_map;		mdhdr.hw_direct_map = hw_direct_map;
mdhdr.startkernel = __startkernel;		mdhdr.startkernel = __startkernel;
mdhdr.endkernel = __endkernel;		mdhdr.endkernel = __endkernel;
		mdhdr.dumpavailsize = round_page(sizeof(dump_avail));

dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_POWERPC_VERSION,		dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_POWERPC_VERSION,
dumpsize);		dumpsize);

error = dump_start(di, &kdh);		error = dump_start(di, &kdh);
if (error)		if (error)
goto fail;		goto fail;

printf("Dumping %lu out of %ju MB:", dumpsize >> 20,		printf("Dumping %lu out of %ju MB:", dumpsize >> 20,
ptoa((uintmax_t)physmem) / 1048576);		ptoa((uintmax_t)physmem) / 1048576);

/* Dump minidump header */		/* Dump minidump header */
bzero(pgbuf, sizeof(pgbuf));		bzero(pgbuf, sizeof(pgbuf));
memcpy(pgbuf, &mdhdr, sizeof(mdhdr));		memcpy(pgbuf, &mdhdr, sizeof(mdhdr));
error = blk_write(di, pgbuf, 0, PAGE_SIZE);		error = blk_write(di, pgbuf, 0, PAGE_SIZE);
if (error)		if (error)
goto fail;		goto fail;
dump_total("header", PAGE_SIZE);		dump_total("header", PAGE_SIZE);

/* Dump msgbuf up front */		/* Dump msgbuf up front */
error = blk_write(di, (char *)msgbufp->msg_ptr, 0,		error = blk_write(di, (char *)msgbufp->msg_ptr, 0,
round_page(msgbufp->msg_size));		round_page(msgbufp->msg_size));
dump_total("msgbuf", round_page(msgbufp->msg_size));		dump_total("msgbuf", round_page(msgbufp->msg_size));

		/* Dump dump_avail */
		_Static_assert(sizeof(dump_avail) <= sizeof(pgbuf),
		"Large dump_avail not handled");
		bzero(pgbuf, sizeof(mdhdr));
		memcpy(pgbuf, dump_avail, sizeof(dump_avail));
		error = blk_write(di, pgbuf, 0, PAGE_SIZE);
		if (error)
		goto fail;
		dump_total("dump_avail", round_page(sizeof(dump_avail)));

/* Dump bitmap */		/* Dump bitmap */
error = blk_write(di, (char *)vm_page_dump, 0,		error = blk_write(di, (char *)vm_page_dump, 0,
round_page(BITSET_SIZE(vm_page_dump_pages)));		round_page(BITSET_SIZE(vm_page_dump_pages)));
if (error)		if (error)
goto fail;		goto fail;
dump_total("bitmap", round_page(BITSET_SIZE(vm_page_dump_pages)));		dump_total("bitmap", round_page(BITSET_SIZE(vm_page_dump_pages)));

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