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sys/amd64/amd64/minidump_machdep.c
| Show First 20 Lines • Show All 210 Lines • ▼ Show 20 Lines | |||||
| } | } | ||||
| /* A fake page table page, to avoid having to handle both 4K and 2M pages */ | /* A fake page table page, to avoid having to handle both 4K and 2M pages */ | ||||
| static pd_entry_t fakepd[NPDEPG]; | static pd_entry_t fakepd[NPDEPG]; | ||||
| int | int | ||||
| minidumpsys(struct dumperinfo *di) | minidumpsys(struct dumperinfo *di) | ||||
| { | { | ||||
| kpaddr_t *dump_avail_out; | |||||
| uint32_t pmapsize; | uint32_t pmapsize; | ||||
| vm_offset_t va; | vm_offset_t va; | ||||
| int error; | int error; | ||||
| uint64_t *pml4, *pdp, *pd, *pt, pa; | uint64_t *pml4, *pdp, *pd, *pt, pa; | ||||
| int i, ii, j, k, n, bit; | int i, ii, j, k, n, bit; | ||||
| int retry_count; | int retry_count; | ||||
| struct minidumphdr mdhdr; | struct minidumphdr mdhdr; | ||||
| ▲ Show 20 Lines • Show All 85 Lines • ▼ Show 20 Lines | retry: | ||||
| wdog_next = progress = dumpsize; | wdog_next = progress = dumpsize; | ||||
| /* Initialize mdhdr */ | /* Initialize mdhdr */ | ||||
| bzero(&mdhdr, sizeof(mdhdr)); | bzero(&mdhdr, sizeof(mdhdr)); | ||||
| strcpy(mdhdr.magic, MINIDUMP_MAGIC); | strcpy(mdhdr.magic, MINIDUMP_MAGIC); | ||||
| mdhdr.version = MINIDUMP_VERSION; | mdhdr.version = MINIDUMP_VERSION; | ||||
| mdhdr.msgbufsize = msgbufp->msg_size; | mdhdr.msgbufsize = msgbufp->msg_size; | ||||
| mdhdr.bitmapsize = BITSET_SIZE(vm_page_dump_pages); | mdhdr.bitmapsize = round_page(BITSET_SIZE(vm_page_dump_pages)); | ||||
| mdhdr.pmapsize = pmapsize; | mdhdr.pmapsize = pmapsize; | ||||
| mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS; | mdhdr.kernbase = VM_MIN_KERNEL_ADDRESS; | ||||
| mdhdr.dmapbase = DMAP_MIN_ADDRESS; | mdhdr.dmapbase = DMAP_MIN_ADDRESS; | ||||
| mdhdr.dmapend = DMAP_MAX_ADDRESS; | mdhdr.dmapend = DMAP_MAX_ADDRESS; | ||||
| dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_AMD64_VERSION, | dump_init_header(di, &kdh, KERNELDUMPMAGIC, KERNELDUMP_AMD64_VERSION, | ||||
| dumpsize); | dumpsize); | ||||
| error = dump_start(di, &kdh); | error = dump_start(di, &kdh); | ||||
| if (error != 0) | if (error != 0) | ||||
| goto fail; | goto fail; | ||||
| 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); | ||||
| /* Dump my header */ | /* Dump my header */ | ||||
| bzero(&fakepd, sizeof(fakepd)); | bzero(&fakepd, sizeof(fakepd)); | ||||
| bcopy(&mdhdr, &fakepd, sizeof(mdhdr)); | bcopy(&mdhdr, &fakepd, sizeof(mdhdr)); | ||||
| dump_avail_out = (kpaddr_t *)((char *)fakepd + sizeof(mdhdr)); | |||||
| for (i = 0; dump_avail[i + 1] != 0; i += 2) { | |||||
| dump_avail_out[i] = dump_avail[i]; | |||||
| dump_avail_out[i + 1] = dump_avail[i + 1]; | |||||
| } | |||||
| dump_avail_out[i] = dump_avail_out[i + 1] = 0; | |||||
| error = blk_write(di, (char *)&fakepd, 0, PAGE_SIZE); | error = blk_write(di, (char *)&fakepd, 0, PAGE_SIZE); | ||||
| if (error) | if (error) | ||||
| goto fail; | goto fail; | ||||
| /* Dump msgbuf up front */ | /* Dump msgbuf up front */ | ||||
| error = blk_write(di, (char *)msgbufp->msg_ptr, 0, round_page(msgbufp->msg_size)); | error = blk_write(di, (char *)msgbufp->msg_ptr, 0, round_page(msgbufp->msg_size)); | ||||
| if (error) | if (error) | ||||
| goto fail; | goto fail; | ||||
| ▲ Show 20 Lines • Show All 94 Lines • Show Last 20 Lines | |||||