Differential D31884 Diff 95967 sys/powerpc/powerpc/minidump_machdep.c

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sys/powerpc/powerpc/minidump_machdep.c

Show First 20 Lines • Show All 85 Lines • ▼ Show 20 Lines	static struct {
{ 90, 100, 0}		{ 90, 100, 0}
};		};

static size_t counter, dumpsize, progress;		static size_t counter, dumpsize, progress;

/* Handle chunked writes. */		/* Handle chunked writes. */
static size_t fragsz;		static size_t fragsz;

int
is_dumpable(vm_paddr_t pa)
{
vm_page_t m;
int i;

if ((m = vm_phys_paddr_to_vm_page(pa)) != NULL)
return ((m->flags & PG_NODUMP) == 0);
for (i = 0; dump_avail[i] != 0 \|\| dump_avail[i + 1] != 0; i += 2) {
if (pa >= dump_avail[i] && pa < dump_avail[i + 1])
return (1);
}
return (0);
}

static void		static void
pmap_kenter_temporary(vm_offset_t va, vm_paddr_t pa)		pmap_kenter_temporary(vm_offset_t va, vm_paddr_t pa)
{		{
pmap_kremove(va);		pmap_kremove(va);
pmap_kenter(va, pa);		pmap_kenter(va, pa);
}		}

static void		static void
▲ Show 20 Lines • Show All 154 Lines • ▼ Show 20 Lines	retry:
/* 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(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 (vm_phys_is_dumpable(pa))
dumpsize += PAGE_SIZE;		dumpsize += PAGE_SIZE;
else		else
dump_drop_page(pa);		dump_drop_page(pa);
}		}
progress = dumpsize;		progress = dumpsize;

/* Initialize mdhdr */		/* Initialize mdhdr */
bzero(&mdhdr, sizeof(mdhdr));		bzero(&mdhdr, sizeof(mdhdr));
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