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

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sys/mips/mips/minidump_machdep.c

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#include <machine/cache.h>		#include <machine/cache.h>

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 uint64_t counter, progress, dumpsize;		static uint64_t counter, progress, dumpsize;
/* Just auxiliary bufffer */		/* Just auxiliary bufffer */
static char tmpbuffer[PAGE_SIZE];		static char tmpbuffer[PAGE_SIZE];

extern pd_entry_t *kernel_segmap;		extern pd_entry_t *kernel_segmap;

▲ Show 20 Lines • Show All 93 Lines • ▼ Show 20 Lines	while (sz) {
if (counter >> 22) {		if (counter >> 22) {
report_progress(progress, dumpsize);		report_progress(progress, dumpsize);
counter &= (1<<22) - 1;		counter &= (1<<22) - 1;
}		}

wdog_kern_pat(WD_LASTVAL);		wdog_kern_pat(WD_LASTVAL);

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 {
panic("pa is not supported");		panic("pa is not supported");
}		}

/* Check for user abort. */		/* Check for user abort. */
c = cncheckc();		c = cncheckc();
▲ Show 20 Lines • Show All 81 Lines • ▼ Show 20 Lines	minidumpsys(struct dumperinfo *di)
mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS;		mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS;

dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_MIPS_VERSION,		dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_MIPS_VERSION,
dumpsize);		dumpsize);

printf("Dumping %llu out of %ju MB:", (long long)dumpsize >> 20,		printf("Dumping %llu out of %ju MB:", (long long)dumpsize >> 20,
ptoa((uintmax_t)physmem) / 1048576);		ptoa((uintmax_t)physmem) / 1048576);

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(tmpbuffer, sizeof(tmpbuffer));		bzero(tmpbuffer, sizeof(tmpbuffer));
bcopy(&mdhdr, tmpbuffer, sizeof(mdhdr));		bcopy(&mdhdr, tmpbuffer, sizeof(mdhdr));
error = write_buffer(di, tmpbuffer, PAGE_SIZE);		error = write_buffer(di, tmpbuffer, PAGE_SIZE);
if (error)		if (error)
▲ Show 20 Lines • Show All 51 Lines • ▼ Show 20 Lines	while (bits) {
error = write_buffer(di, dump_va, PAGE_SIZE);		error = write_buffer(di, dump_va, PAGE_SIZE);
if (error)		if (error)
goto fail;		goto fail;
pmap_kenter_temporary_free(pa);		pmap_kenter_temporary_free(pa);
bits &= ~(1ul << bit);		bits &= ~(1ul << bit);
}		}
}		}

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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