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Differential D31991 Diff 95262 sys/arm64/arm64/minidump_machdep.c

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sys/arm64/arm64/minidump_machdep.c

Show First 20 Lines • Show All 144 Lines • ▼ Show 20 Linesblk_write(struct dumperinfo *di, char *ptr, vm_paddr_t pa, size_t sz)
return (0); return (0);
} }
int int
cpu_minidumpsys(struct dumperinfo *di, struct minidumpstate *state) cpu_minidumpsys(struct dumperinfo *di, struct minidumpstate *state)
{ {
struct minidumphdr mdhdr; struct minidumphdr mdhdr;
struct msgbuf *mbp;
pd_entry_t *l0, *l1, l1e, *l2, l2e; pd_entry_t *l0, *l1, l1e, *l2, l2e;
pt_entry_t *l3, l3e; pt_entry_t *l3, l3e;
vm_offset_t va, kva_end; vm_offset_t va, kva_end;
vm_paddr_t pa; vm_paddr_t pa;
uint32_t pmapsize; uint32_t pmapsize;
int error, i, j, retry_count; int error, i, j, retry_count;
retry_count = 0; retry_count = 0;
▲ Show 20 Lines • Show All 41 Lines • ▼ Show 20 Lines if ((l1e & ATTR_DESCR_MASK) == L1_BLOCK) {
pa = l3e & ~ATTR_MASK; pa = l3e & ~ATTR_MASK;
if (dump_page_is_dumpable(pa)) if (dump_page_is_dumpable(pa))
dump_add_page(pa); dump_add_page(pa);
} }
} }
} }
/* Calculate dump size. */ /* Calculate dump size. */
mbp = state->msgbufp;
dumpsize = pmapsize; dumpsize = pmapsize;
dumpsize += round_page(msgbufp->msg_size); dumpsize += round_page(mbp->msg_size);
dumpsize += round_page(sizeof(dump_avail)); 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) {
if (dump_page_is_dumpable(pa)) if (dump_page_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;
dumpsys_pb_init(dumpsize); dumpsys_pb_init(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 = mbp->msg_size;
mdhdr.bitmapsize = round_page(BITSET_SIZE(vm_page_dump_pages)); mdhdr.bitmapsize = round_page(BITSET_SIZE(vm_page_dump_pages));
mdhdr.pmapsize = pmapsize; mdhdr.pmapsize = pmapsize;
mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS; mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS;
mdhdr.dmapphys = DMAP_MIN_PHYSADDR; mdhdr.dmapphys = DMAP_MIN_PHYSADDR;
mdhdr.dmapbase = DMAP_MIN_ADDRESS; mdhdr.dmapbase = DMAP_MIN_ADDRESS;
mdhdr.dmapend = DMAP_MAX_ADDRESS; mdhdr.dmapend = DMAP_MAX_ADDRESS;
mdhdr.dumpavailsize = round_page(sizeof(dump_avail)); mdhdr.dumpavailsize = round_page(sizeof(dump_avail));
Show All 10 Lines retry:
/* 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 = blk_write(di, (char *)&tmpbuffer, 0, PAGE_SIZE); error = blk_write(di, (char *)&tmpbuffer, 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 *)mbp->msg_ptr, 0,
round_page(msgbufp->msg_size)); round_page(mbp->msg_size));
if (error) if (error)
goto fail; goto fail;
/* Dump dump_avail */ /* Dump dump_avail */
_Static_assert(sizeof(dump_avail) <= sizeof(tmpbuffer), _Static_assert(sizeof(dump_avail) <= sizeof(tmpbuffer),
"Large dump_avail not handled"); "Large dump_avail not handled");
bzero(tmpbuffer, sizeof(tmpbuffer)); bzero(tmpbuffer, sizeof(tmpbuffer));
memcpy(tmpbuffer, dump_avail, sizeof(dump_avail)); memcpy(tmpbuffer, dump_avail, sizeof(dump_avail));
▲ Show 20 Lines • Show All 117 Lines • Show Last 20 Lines