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Differential D11722 Diff 31604 sys/arm/arm/minidump_machdep.c

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sys/arm/arm/minidump_machdep.c

Show First 20 Lines • Show All 52 Lines • ▼ Show 20 Lines
CTASSERT(sizeof(struct kerneldumpheader) == 512); CTASSERT(sizeof(struct kerneldumpheader) == 512);
uint32_t *vm_page_dump; uint32_t *vm_page_dump;
int vm_page_dump_size; int vm_page_dump_size;
static struct kerneldumpheader kdh; static struct kerneldumpheader kdh;
static off_t dumplo;
/* Handle chunked writes. */ /* Handle chunked writes. */
static size_t fragsz; static size_t fragsz;
static void *dump_va; static void *dump_va;
static uint64_t counter, progress; static uint64_t counter, progress;
CTASSERT(sizeof(*vm_page_dump) == 4); CTASSERT(sizeof(*vm_page_dump) == 4);
static int static int
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static int static int
blk_flush(struct dumperinfo *di) blk_flush(struct dumperinfo *di)
{ {
int error; int error;
if (fragsz == 0) if (fragsz == 0)
return (0); return (0);
error = dump_write(di, dump_va, 0, dumplo, fragsz); error = dump_append(di, dump_va, 0, fragsz);
dumplo += fragsz;
fragsz = 0; fragsz = 0;
return (error); return (error);
} }
static int static int
blk_write(struct dumperinfo *di, char *ptr, vm_paddr_t pa, size_t sz) blk_write(struct dumperinfo *di, char *ptr, vm_paddr_t pa, size_t sz)
{ {
size_t len; size_t len;
Show All 34 Lines if (counter >> 22) {
printf(" %lld", PG2MB(progress >> PAGE_SHIFT)); printf(" %lld", PG2MB(progress >> PAGE_SHIFT));
counter &= (1<<22) - 1; counter &= (1<<22) - 1;
} }
#ifdef SW_WATCHDOG #ifdef SW_WATCHDOG
wdog_kern_pat(WD_LASTVAL); wdog_kern_pat(WD_LASTVAL);
#endif #endif
if (ptr) { if (ptr) {
error = dump_write(di, ptr, 0, dumplo, len); error = dump_append(di, ptr, 0, len);
if (error) if (error)
return (error); return (error);
dumplo += len;
ptr += len; ptr += len;
sz -= len; sz -= len;
} else { } else {
for (i = 0; i < len; i += PAGE_SIZE) for (i = 0; i < len; i += PAGE_SIZE)
dump_va = pmap_kenter_temporary(pa + i, dump_va = pmap_kenter_temporary(pa + i,
(i + fragsz) >> PAGE_SHIFT); (i + fragsz) >> PAGE_SHIFT);
fragsz += len; fragsz += len;
pa += len; pa += len;
▲ Show 20 Lines • Show All 90 Lines • ▼ Show 20 Lines#else
mdhdr.mmuformat = MINIDUMP_MMU_FORMAT_V4; mdhdr.mmuformat = MINIDUMP_MMU_FORMAT_V4;
#endif #endif
dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_ARM_VERSION, dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_ARM_VERSION,
dumpsize); dumpsize);
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);
error = dump_start(di, &kdh, &dumplo); error = dump_start(di, &kdh);
if (error != 0) if (error != 0)
goto fail; goto fail;
/* 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)
▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines if (count) {
count = 0; count = 0;
prev_pa = 0; prev_pa = 0;
} }
error = blk_flush(di); error = blk_flush(di);
if (error) if (error)
goto fail; goto fail;
error = dump_finish(di, &kdh, dumplo); error = dump_finish(di, &kdh);
if (error != 0) if (error != 0)
goto fail; goto fail;
printf("\nDump complete\n"); printf("\nDump complete\n");
return (0); return (0);
fail: fail:
if (error < 0) if (error < 0)
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