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sys/mips/mips/minidump_machdep.c
| Show First 20 Lines • Show All 58 Lines • ▼ Show 20 Lines | |||||
| /* 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] __aligned(sizeof(uint64_t)); | static char tmpbuffer[PAGE_SIZE] __aligned(sizeof(uint64_t)); | ||||
| extern pd_entry_t *kernel_segmap; | extern pd_entry_t *kernel_segmap; | ||||
| static int | |||||
| is_dumpable(vm_paddr_t pa) | |||||
| { | |||||
| vm_page_t m; | |||||
| int i; | |||||
| if ((m = vm_phys_paddr_to_vm_page(pa)) != NULL) | |||||
| return ((m->flags & PG_NODUMP) == 0); | |||||
| for (i = 0; dump_avail[i] != 0 || dump_avail[i + 1] != 0; i += 2) { | |||||
| if (pa >= dump_avail[i] && pa < dump_avail[i + 1]) | |||||
| return (1); | |||||
| } | |||||
| return (0); | |||||
| } | |||||
| static struct { | static struct { | ||||
| int min_per; | int min_per; | ||||
| int max_per; | int max_per; | ||||
| int visited; | int visited; | ||||
| } progress_track[10] = { | } progress_track[10] = { | ||||
| { 0, 10, 0}, | { 0, 10, 0}, | ||||
| { 10, 20, 0}, | { 10, 20, 0}, | ||||
| { 20, 30, 0}, | { 20, 30, 0}, | ||||
| ▲ Show 20 Lines • Show All 94 Lines • ▼ Show 20 Lines | minidumpsys(struct dumperinfo *di) | ||||
| for (va = VM_MIN_KERNEL_ADDRESS; va < kernel_vm_end; va += NBPDR) { | for (va = VM_MIN_KERNEL_ADDRESS; va < kernel_vm_end; va += NBPDR) { | ||||
| ptesize += PAGE_SIZE; | ptesize += PAGE_SIZE; | ||||
| pte = pmap_pte(kernel_pmap, va); | pte = pmap_pte(kernel_pmap, va); | ||||
| KASSERT(pte != NULL, ("pte for %jx is NULL", (uintmax_t)va)); | KASSERT(pte != NULL, ("pte for %jx is NULL", (uintmax_t)va)); | ||||
| for (i = 0; i < NPTEPG; i++) { | for (i = 0; i < NPTEPG; i++) { | ||||
| if (pte_test(&pte[i], PTE_V)) { | if (pte_test(&pte[i], PTE_V)) { | ||||
| pa = TLBLO_PTE_TO_PA(pte[i]); | pa = TLBLO_PTE_TO_PA(pte[i]); | ||||
| if (is_dumpable(pa)) | if (vm_phys_is_dumpable(pa)) | ||||
| dump_add_page(pa); | dump_add_page(pa); | ||||
| } | } | ||||
| } | } | ||||
| } | } | ||||
| /* | /* | ||||
| * Now mark pages from 0 to phys_avail[0], that's where kernel | * Now mark pages from 0 to phys_avail[0], that's where kernel | ||||
| * and pages allocated by pmap_steal reside | * and pages allocated by pmap_steal reside | ||||
| */ | */ | ||||
| for (pa = 0; pa < phys_avail[0]; pa += PAGE_SIZE) { | for (pa = 0; pa < phys_avail[0]; pa += PAGE_SIZE) { | ||||
| if (is_dumpable(pa)) | if (vm_phys_is_dumpable(pa)) | ||||
| dump_add_page(pa); | dump_add_page(pa); | ||||
| } | } | ||||
| /* 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 (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; | progress = dumpsize; | ||||
| ▲ Show 20 Lines • Show All 114 Lines • Show Last 20 Lines | |||||