Changeset View
Changeset View
Standalone View
Standalone View
sys/arm/arm/minidump_machdep.c
| Show First 20 Lines • Show All 57 Lines • ▼ Show 20 Lines | |||||
| CTASSERT(sizeof(struct kerneldumpheader) == 512); | CTASSERT(sizeof(struct kerneldumpheader) == 512); | ||||
| static struct kerneldumpheader kdh; | static struct kerneldumpheader kdh; | ||||
| /* 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; | |||||
| #define PG2MB(pgs) (((pgs) + (1 << 8) - 1) >> 8) | |||||
| 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); | ||||
| Show All 32 Lines | if (ptr != NULL) { | ||||
| error = blk_flush(di); | error = blk_flush(di); | ||||
| if (error) | if (error) | ||||
| return (error); | return (error); | ||||
| } | } | ||||
| while (sz) { | while (sz) { | ||||
| len = maxdumpsz - fragsz; | len = maxdumpsz - fragsz; | ||||
| if (len > sz) | if (len > sz) | ||||
| len = sz; | len = sz; | ||||
| counter += len; | |||||
| progress -= len; | |||||
| if (counter >> 22) { | |||||
| printf(" %lld", PG2MB(progress >> PAGE_SHIFT)); | |||||
| counter &= (1<<22) - 1; | |||||
| } | |||||
| dumpsys_pb_progress(len); | |||||
| #ifdef SW_WATCHDOG | #ifdef SW_WATCHDOG | ||||
| wdog_kern_pat(WD_LASTVAL); | wdog_kern_pat(WD_LASTVAL); | ||||
| #endif | #endif | ||||
| if (ptr) { | if (ptr) { | ||||
| error = dump_append(di, ptr, 0, len); | error = dump_append(di, ptr, 0, len); | ||||
| if (error) | if (error) | ||||
| return (error); | return (error); | ||||
| ptr += len; | ptr += len; | ||||
| ▲ Show 20 Lines • Show All 44 Lines • ▼ Show 20 Lines | minidumpsys(struct dumperinfo *di) | ||||
| * the system shutdown or kernel debugger has called stop_cpus() to stop | * the system shutdown or kernel debugger has called stop_cpus() to stop | ||||
| * all cores other than this one. Part of the ARM handling of | * all cores other than this one. Part of the ARM handling of | ||||
| * stop_cpus() is to call wbinv_all() on that core's local L1 cache. So | * stop_cpus() is to call wbinv_all() on that core's local L1 cache. So | ||||
| * by time we get to here, all that remains is to flush the L1 for the | * by time we get to here, all that remains is to flush the L1 for the | ||||
| * current CPU, then the L2. | * current CPU, then the L2. | ||||
| */ | */ | ||||
| dcache_wbinv_poc_all(); | dcache_wbinv_poc_all(); | ||||
| counter = 0; | |||||
| /* Walk page table pages, set bits in vm_page_dump */ | /* Walk page table pages, set bits in vm_page_dump */ | ||||
| ptesize = 0; | ptesize = 0; | ||||
| for (va = KERNBASE; va < kernel_vm_end; va += PAGE_SIZE) { | for (va = KERNBASE; va < kernel_vm_end; va += PAGE_SIZE) { | ||||
| pa = pmap_dump_kextract(va, NULL); | pa = pmap_dump_kextract(va, NULL); | ||||
| if (pa != 0 && vm_phys_is_dumpable(pa)) | if (pa != 0 && vm_phys_is_dumpable(pa)) | ||||
| dump_add_page(pa); | dump_add_page(pa); | ||||
| ptesize += sizeof(pt2_entry_t); | ptesize += sizeof(pt2_entry_t); | ||||
| } | } | ||||
| /* Calculate dump size. */ | /* Calculate dump size. */ | ||||
| dumpsize = ptesize; | dumpsize = ptesize; | ||||
| dumpsize += round_page(msgbufp->msg_size); | dumpsize += round_page(msgbufp->msg_size); | ||||
| dumpsize += round_page(nitems(dump_avail) * sizeof(uint64_t)); | dumpsize += round_page(nitems(dump_avail) * sizeof(uint64_t)); | ||||
| dumpsize += round_page(BITSET_SIZE(vm_page_dump_pages)); | dumpsize += round_page(BITSET_SIZE(vm_page_dump_pages)); | ||||
| VM_PAGE_DUMP_FOREACH(pa) { | VM_PAGE_DUMP_FOREACH(pa) { | ||||
| /* Clear out undumpable pages now if needed */ | /* Clear out undumpable pages now if needed */ | ||||
| if (vm_phys_is_dumpable(pa)) | if (vm_phys_is_dumpable(pa)) | ||||
| dumpsize += PAGE_SIZE; | dumpsize += PAGE_SIZE; | ||||
| else | else | ||||
| dump_drop_page(pa); | dump_drop_page(pa); | ||||
| } | } | ||||
| dumpsize += PAGE_SIZE; | dumpsize += PAGE_SIZE; | ||||
| progress = dumpsize; | dumpsys_pb_init(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 = round_page(BITSET_SIZE(vm_page_dump_pages)); | mdhdr.bitmapsize = round_page(BITSET_SIZE(vm_page_dump_pages)); | ||||
| mdhdr.ptesize = ptesize; | mdhdr.ptesize = ptesize; | ||||
| ▲ Show 20 Lines • Show All 115 Lines • Show Last 20 Lines | |||||