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sys/kern/kern_dump.c
Show First 20 Lines • Show All 116 Lines • ▼ Show 20 Lines | dumpsys_buf_seek(struct dumperinfo *di, size_t sz) | ||||
size_t nbytes; | size_t nbytes; | ||||
int error; | int error; | ||||
bzero(buf, sizeof(buf)); | bzero(buf, sizeof(buf)); | ||||
while (sz > 0) { | while (sz > 0) { | ||||
nbytes = MIN(sz, sizeof(buf)); | nbytes = MIN(sz, sizeof(buf)); | ||||
error = dump_append(di, buf, 0, nbytes); | error = dump_append(di, buf, nbytes); | ||||
if (error) | if (error) | ||||
return (error); | return (error); | ||||
sz -= nbytes; | sz -= nbytes; | ||||
} | } | ||||
return (0); | return (0); | ||||
} | } | ||||
int | int | ||||
dumpsys_buf_write(struct dumperinfo *di, char *ptr, size_t sz) | dumpsys_buf_write(struct dumperinfo *di, char *ptr, size_t sz) | ||||
{ | { | ||||
size_t len; | size_t len; | ||||
int error; | int error; | ||||
while (sz) { | while (sz) { | ||||
len = di->blocksize - fragsz; | len = di->blocksize - fragsz; | ||||
if (len > sz) | if (len > sz) | ||||
len = sz; | len = sz; | ||||
memcpy((char *)di->blockbuf + fragsz, ptr, len); | memcpy((char *)di->blockbuf + fragsz, ptr, len); | ||||
fragsz += len; | fragsz += len; | ||||
ptr += len; | ptr += len; | ||||
sz -= len; | sz -= len; | ||||
if (fragsz == di->blocksize) { | if (fragsz == di->blocksize) { | ||||
error = dump_append(di, di->blockbuf, 0, di->blocksize); | error = dump_append(di, di->blockbuf, di->blocksize); | ||||
if (error) | if (error) | ||||
return (error); | return (error); | ||||
fragsz = 0; | fragsz = 0; | ||||
} | } | ||||
} | } | ||||
return (0); | return (0); | ||||
} | } | ||||
int | int | ||||
dumpsys_buf_flush(struct dumperinfo *di) | dumpsys_buf_flush(struct dumperinfo *di) | ||||
{ | { | ||||
int error; | int error; | ||||
if (fragsz == 0) | if (fragsz == 0) | ||||
return (0); | return (0); | ||||
error = dump_append(di, di->blockbuf, 0, di->blocksize); | error = dump_append(di, di->blockbuf, di->blocksize); | ||||
fragsz = 0; | fragsz = 0; | ||||
return (error); | return (error); | ||||
} | } | ||||
CTASSERT(PAGE_SHIFT < 20); | CTASSERT(PAGE_SHIFT < 20); | ||||
#define PG2MB(pgs) ((pgs + (1 << (20 - PAGE_SHIFT)) - 1) >> (20 - PAGE_SHIFT)) | #define PG2MB(pgs) ((pgs + (1 << (20 - PAGE_SHIFT)) - 1) >> (20 - PAGE_SHIFT)) | ||||
int | int | ||||
Show All 29 Lines | while (pgs) { | ||||
if (counter >> 24) { | if (counter >> 24) { | ||||
printf(" %ju", (uintmax_t)PG2MB(pgs)); | printf(" %ju", (uintmax_t)PG2MB(pgs)); | ||||
counter &= (1 << 24) - 1; | counter &= (1 << 24) - 1; | ||||
} | } | ||||
dumpsys_map_chunk(pa, chunk, &va); | dumpsys_map_chunk(pa, chunk, &va); | ||||
wdog_kern_pat(WD_LASTVAL); | wdog_kern_pat(WD_LASTVAL); | ||||
error = dump_append(di, va, 0, sz); | error = dump_append(di, va, sz); | ||||
dumpsys_unmap_chunk(pa, chunk, va); | dumpsys_unmap_chunk(pa, chunk, va); | ||||
if (error) | if (error) | ||||
break; | break; | ||||
pgs -= chunk; | pgs -= chunk; | ||||
pa += sz; | pa += sz; | ||||
/* Check for user abort. */ | /* Check for user abort. */ | ||||
c = cncheckc(); | c = cncheckc(); | ||||
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