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Differential D11584 Diff 31501 sys/sparc64/sparc64/dump_machdep.c

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sys/sparc64/sparc64/dump_machdep.c

Show First 20 Lines • Show All 72 Lines • ▼ Show 20 Linesreg_write(struct dumperinfo *di, vm_paddr_t pa, vm_size_t size)
return (dumpsys_buf_write(di, (char *)&r, sizeof(r))); return (dumpsys_buf_write(di, (char *)&r, sizeof(r)));
} }
int int
dumpsys(struct dumperinfo *di) dumpsys(struct dumperinfo *di)
{ {
static struct kerneldumpheader kdh; static struct kerneldumpheader kdh;
struct sparc64_dump_hdr hdr; struct sparc64_dump_hdr hdr;
vm_size_t size, totsize, hdrsize; vm_size_t size, hdrsize;
int error, i, nreg; int error, i, nreg;
/* Set up dump_map and calculate dump size. */ /* Set up dump_map and calculate dump size. */
size = 0; size = 0;
nreg = sparc64_nmemreg; nreg = sparc64_nmemreg;
memset(dump_map, 0, sizeof(dump_map)); memset(dump_map, 0, sizeof(dump_map));
for (i = 0; i < nreg; i++) { for (i = 0; i < nreg; i++) {
dump_map[i].pa_start = sparc64_memreg[i].mr_start; dump_map[i].pa_start = sparc64_memreg[i].mr_start;
size += dump_map[i].pa_size = sparc64_memreg[i].mr_size; size += dump_map[i].pa_size = sparc64_memreg[i].mr_size;
} }
/* Account for the header size. */ /* Account for the header size. */
hdrsize = roundup2(sizeof(hdr) + sizeof(struct sparc64_dump_reg) * nreg, hdrsize = roundup2(sizeof(hdr) + sizeof(struct sparc64_dump_reg) * nreg,
DEV_BSIZE); DEV_BSIZE);
size += hdrsize; size += hdrsize;
totsize = size + 2 * di->blocksize +
kerneldumpcrypto_dumpkeysize(di->kdc);
if (totsize > di->mediasize) {
printf("Insufficient space on device (need %ld, have %ld), "
"refusing to dump.\n", (long)totsize,
(long)di->mediasize);
error = ENOSPC;
goto fail;
}
/* Determine dump offset on device. */
dumplo = di->mediaoffset + di->mediasize - totsize;
/* Initialize kernel dump crypto. */
error = kerneldumpcrypto_init(di->kdc);
if (error)
goto fail;
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_SPARC64_VERSION, size, mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_SPARC64_VERSION, size,
kerneldumpcrypto_dumpkeysize(di->kdc), di->blocksize); kerneldumpcrypto_dumpkeysize(di->kdc), di->blocksize);
printf("Dumping %lu MB (%d chunks)\n", (u_long)(size >> 20), nreg); printf("Dumping %lu MB (%d chunks)\n", (u_long)(size >> 20), nreg);
/* Dump leader */ error = dump_start(di, &kdh, &dumplo);
error = dump_write_header(di, &kdh, 0, dumplo); if (error != 0)
if (error)
goto fail; goto fail;
dumplo += di->blocksize;
/* Dump key */
error = dump_write_key(di, 0, dumplo);
if (error)
goto fail;
dumplo += kerneldumpcrypto_dumpkeysize(di->kdc);
/* Dump the private header. */ /* Dump the private header. */
hdr.dh_hdr_size = hdrsize; hdr.dh_hdr_size = hdrsize;
hdr.dh_tsb_pa = tsb_kernel_phys; hdr.dh_tsb_pa = tsb_kernel_phys;
hdr.dh_tsb_size = tsb_kernel_size; hdr.dh_tsb_size = tsb_kernel_size;
hdr.dh_tsb_mask = tsb_kernel_mask; hdr.dh_tsb_mask = tsb_kernel_mask;
hdr.dh_nregions = nreg; hdr.dh_nregions = nreg;
if (dumpsys_buf_write(di, (char *)&hdr, sizeof(hdr)) != 0) if (dumpsys_buf_write(di, (char *)&hdr, sizeof(hdr)) != 0)
Show All 9 Linesdumpsys(struct dumperinfo *di)
} }
dumpsys_buf_flush(di); dumpsys_buf_flush(di);
/* Dump memory chunks. */ /* Dump memory chunks. */
error = dumpsys_foreach_chunk(dumpsys_cb_dumpdata, di); error = dumpsys_foreach_chunk(dumpsys_cb_dumpdata, di);
if (error < 0) if (error < 0)
goto fail; goto fail;
/* Dump trailer */ error = dump_finish(di, &kdh, dumplo);
error = dump_write_header(di, &kdh, 0, dumplo); if (error != 0)
if (error)
goto fail; goto fail;
dumplo += di->blocksize;
/* Signal completion, signoff and exit stage left. */
dump_write(di, NULL, 0, 0, 0);
printf("\nDump complete\n"); printf("\nDump complete\n");
return (0); return (0);
fail: fail:
if (error < 0) if (error < 0)
error = -error; error = -error;
/* XXX It should look more like VMS :-) */ /* XXX It should look more like VMS :-) */
printf("** DUMP FAILED (ERROR %d) **\n", error); printf("** DUMP FAILED (ERROR %d) **\n", error);
return (error); return (error);
} }