Differential D26131 Diff 77330 head/sys/arm/arm/minidump_machdep.c

Changeset View

Standalone View

head/sys/arm/arm/minidump_machdep.c

Show First 20 Lines • Show All 200 Lines • ▼ Show 20 Lines	for (va = KERNBASE; va < kernel_vm_end; va += PAGE_SIZE) {
if (pa != 0 && is_dumpable(pa))		if (pa != 0 && is_dumpable(pa))
dump_add_page(pa);		dump_add_page(pa);
ptesize += sizeof(pt2_entry_t);		ptesize += sizeof(pt2_entry_t);
}		}

/* 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);
}		}
Show All 10 Lines	minidumpsys(struct dumperinfo *di)
mdhdr.ptesize = ptesize;		mdhdr.ptesize = ptesize;
mdhdr.kernbase = KERNBASE;		mdhdr.kernbase = KERNBASE;
mdhdr.arch = __ARM_ARCH;		mdhdr.arch = __ARM_ARCH;
#if __ARM_ARCH >= 6		#if __ARM_ARCH >= 6
mdhdr.mmuformat = MINIDUMP_MMU_FORMAT_V6;		mdhdr.mmuformat = MINIDUMP_MMU_FORMAT_V6;
#else		#else
mdhdr.mmuformat = MINIDUMP_MMU_FORMAT_V4;		mdhdr.mmuformat = MINIDUMP_MMU_FORMAT_V4;
#endif		#endif
		mdhdr.dumpavailsize = round_page(sizeof(dump_avail));
dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_ARM_VERSION,		dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_ARM_VERSION,
dumpsize);		dumpsize);

error = dump_start(di, &kdh);		error = dump_start(di, &kdh);
if (error != 0)		if (error != 0)
goto fail;		goto fail;

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 my header */		/* Dump my header */
bzero(dumpbuf, sizeof(dumpbuf));		bzero(dumpbuf, sizeof(dumpbuf));
bcopy(&mdhdr, dumpbuf, sizeof(mdhdr));		bcopy(&mdhdr, dumpbuf, sizeof(mdhdr));
error = blk_write(di, dumpbuf, 0, PAGE_SIZE);		error = blk_write(di, dumpbuf, 0, PAGE_SIZE);
if (error)		if (error)
goto fail;		goto fail;

/* 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));
		if (error)
		goto fail;

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

/* 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;
▲ Show 20 Lines • Show All 69 Lines • Show Last 20 Lines