17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*a85a6733Sjosephb * Common Development and Distribution License (the "License"). 6*a85a6733Sjosephb * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*a85a6733Sjosephb * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* 297c478bd9Sstevel@tonic-gate * This part of the file contains the mdb support for dcmds: 307c478bd9Sstevel@tonic-gate * ::memseg_list 317c478bd9Sstevel@tonic-gate * ::page_num2pp 327c478bd9Sstevel@tonic-gate * and walkers for: 337c478bd9Sstevel@tonic-gate * memseg - a memseg list walker for ::memseg_list 347c478bd9Sstevel@tonic-gate * 357c478bd9Sstevel@tonic-gate */ 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate #include <sys/types.h> 387c478bd9Sstevel@tonic-gate #include <sys/machparam.h> 397c478bd9Sstevel@tonic-gate #include <sys/controlregs.h> 407c478bd9Sstevel@tonic-gate #include <vm/as.h> 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #include <mdb/mdb_modapi.h> 437c478bd9Sstevel@tonic-gate #include <mdb/mdb_target.h> 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate #include <vm/page.h> 467c478bd9Sstevel@tonic-gate #include <vm/hat_i86.h> 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate struct pfn2pp { 497c478bd9Sstevel@tonic-gate pfn_t pfn; 507c478bd9Sstevel@tonic-gate page_t *pp; 517c478bd9Sstevel@tonic-gate }; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate static int do_va2pfn(uintptr_t, struct as *, int, physaddr_t *); 547c478bd9Sstevel@tonic-gate static void get_mmu(void); 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate int 577c478bd9Sstevel@tonic-gate platform_vtop(uintptr_t addr, struct as *asp, physaddr_t *pap) 587c478bd9Sstevel@tonic-gate { 597c478bd9Sstevel@tonic-gate if (asp == NULL) 607c478bd9Sstevel@tonic-gate return (DCMD_ERR); 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate /* 637c478bd9Sstevel@tonic-gate * The kernel has to at least have made it thru mmu_init() 647c478bd9Sstevel@tonic-gate */ 657c478bd9Sstevel@tonic-gate get_mmu(); 667c478bd9Sstevel@tonic-gate if (mmu.num_level == 0) 677c478bd9Sstevel@tonic-gate return (DCMD_ERR); 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate return (do_va2pfn(addr, asp, 0, pap)); 707c478bd9Sstevel@tonic-gate } 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 747c478bd9Sstevel@tonic-gate int 757c478bd9Sstevel@tonic-gate page_num2pp_cb(uintptr_t addr, void *ignored, uintptr_t *data) 767c478bd9Sstevel@tonic-gate { 777c478bd9Sstevel@tonic-gate struct memseg ms, *msp = &ms; 787c478bd9Sstevel@tonic-gate struct pfn2pp *p = (struct pfn2pp *)data; 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate if (mdb_vread(msp, sizeof (struct memseg), addr) == -1) { 817c478bd9Sstevel@tonic-gate mdb_warn("can't read memseg at %#lx", addr); 827c478bd9Sstevel@tonic-gate return (DCMD_ERR); 837c478bd9Sstevel@tonic-gate } 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate if (p->pfn >= msp->pages_base && p->pfn < msp->pages_end) { 867c478bd9Sstevel@tonic-gate p->pp = msp->pages + (p->pfn - msp->pages_base); 877c478bd9Sstevel@tonic-gate return (WALK_DONE); 887c478bd9Sstevel@tonic-gate } 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate return (WALK_NEXT); 917c478bd9Sstevel@tonic-gate } 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* 947c478bd9Sstevel@tonic-gate * ::page_num2pp dcmd 957c478bd9Sstevel@tonic-gate */ 967c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 977c478bd9Sstevel@tonic-gate int 987c478bd9Sstevel@tonic-gate page_num2pp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 997c478bd9Sstevel@tonic-gate { 1007c478bd9Sstevel@tonic-gate struct pfn2pp pfn2pp; 1017c478bd9Sstevel@tonic-gate page_t page; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) == 0) { 1047c478bd9Sstevel@tonic-gate mdb_warn("page frame number missing\n"); 1057c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 1067c478bd9Sstevel@tonic-gate } 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate pfn2pp.pfn = (pfn_t)addr; 1097c478bd9Sstevel@tonic-gate pfn2pp.pp = NULL; 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate if (mdb_walk("memseg", (mdb_walk_cb_t)page_num2pp_cb, 1127c478bd9Sstevel@tonic-gate (void *)&pfn2pp) == -1) { 1137c478bd9Sstevel@tonic-gate mdb_warn("can't walk memseg"); 1147c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1157c478bd9Sstevel@tonic-gate } 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate if (pfn2pp.pp == NULL) 1187c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate mdb_printf("%x has page at %p\n", pfn2pp.pfn, pfn2pp.pp); 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate if (mdb_vread(&page, sizeof (page_t), 1237c478bd9Sstevel@tonic-gate (uintptr_t)pfn2pp.pp) == -1) { 1247c478bd9Sstevel@tonic-gate mdb_warn("can't read page at %p", &page); 1257c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1267c478bd9Sstevel@tonic-gate } 1277c478bd9Sstevel@tonic-gate 1287c478bd9Sstevel@tonic-gate if (page.p_pagenum != pfn2pp.pfn) { 1297c478bd9Sstevel@tonic-gate mdb_warn("WARNING! Found page structure contains " 1307c478bd9Sstevel@tonic-gate "different pagenumber %x\n", page.p_pagenum); 1317c478bd9Sstevel@tonic-gate } 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate return (DCMD_OK); 1347c478bd9Sstevel@tonic-gate } 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate /* 1417c478bd9Sstevel@tonic-gate * ::memseg_list dcmd and walker to implement it. 1427c478bd9Sstevel@tonic-gate */ 1437c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1447c478bd9Sstevel@tonic-gate int 1457c478bd9Sstevel@tonic-gate memseg_list(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1467c478bd9Sstevel@tonic-gate { 1477c478bd9Sstevel@tonic-gate struct memseg ms; 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate if (!(flags & DCMD_ADDRSPEC)) { 1507c478bd9Sstevel@tonic-gate if (mdb_pwalk_dcmd("memseg", "memseg_list", 1517c478bd9Sstevel@tonic-gate 0, NULL, 0) == -1) { 1527c478bd9Sstevel@tonic-gate mdb_warn("can't walk memseg"); 1537c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1547c478bd9Sstevel@tonic-gate } 1557c478bd9Sstevel@tonic-gate return (DCMD_OK); 1567c478bd9Sstevel@tonic-gate } 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate if (DCMD_HDRSPEC(flags)) 1597c478bd9Sstevel@tonic-gate mdb_printf("%<u>%?s %?s %?s %?s %?s%</u>\n", "ADDR", 1607c478bd9Sstevel@tonic-gate "PAGES", "EPAGES", "BASE", "END"); 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate if (mdb_vread(&ms, sizeof (struct memseg), addr) == -1) { 1637c478bd9Sstevel@tonic-gate mdb_warn("can't read memseg at %#lx", addr); 1647c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1657c478bd9Sstevel@tonic-gate } 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate mdb_printf("%0?lx %0?lx %0?lx %0?lx %0?lx\n", addr, 1687c478bd9Sstevel@tonic-gate ms.pages, ms.epages, ms.pages_base, ms.pages_end); 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate return (DCMD_OK); 1717c478bd9Sstevel@tonic-gate } 1727c478bd9Sstevel@tonic-gate 1737c478bd9Sstevel@tonic-gate /* 1747c478bd9Sstevel@tonic-gate * walk the memseg structures 1757c478bd9Sstevel@tonic-gate */ 1767c478bd9Sstevel@tonic-gate int 1777c478bd9Sstevel@tonic-gate memseg_walk_init(mdb_walk_state_t *wsp) 1787c478bd9Sstevel@tonic-gate { 1797c478bd9Sstevel@tonic-gate if (wsp->walk_addr != NULL) { 1807c478bd9Sstevel@tonic-gate mdb_warn("memseg only supports global walks\n"); 1817c478bd9Sstevel@tonic-gate return (WALK_ERR); 1827c478bd9Sstevel@tonic-gate } 1837c478bd9Sstevel@tonic-gate 1847c478bd9Sstevel@tonic-gate if (mdb_readvar(&wsp->walk_addr, "memsegs") == -1) { 1857c478bd9Sstevel@tonic-gate mdb_warn("symbol 'memsegs' not found"); 1867c478bd9Sstevel@tonic-gate return (WALK_ERR); 1877c478bd9Sstevel@tonic-gate } 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate wsp->walk_data = mdb_alloc(sizeof (struct memseg), UM_SLEEP); 1907c478bd9Sstevel@tonic-gate return (WALK_NEXT); 1917c478bd9Sstevel@tonic-gate 1927c478bd9Sstevel@tonic-gate } 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate int 1957c478bd9Sstevel@tonic-gate memseg_walk_step(mdb_walk_state_t *wsp) 1967c478bd9Sstevel@tonic-gate { 1977c478bd9Sstevel@tonic-gate int status; 1987c478bd9Sstevel@tonic-gate 1997c478bd9Sstevel@tonic-gate if (wsp->walk_addr == 0) { 2007c478bd9Sstevel@tonic-gate return (WALK_DONE); 2017c478bd9Sstevel@tonic-gate } 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate if (mdb_vread(wsp->walk_data, sizeof (struct memseg), 2047c478bd9Sstevel@tonic-gate wsp->walk_addr) == -1) { 2057c478bd9Sstevel@tonic-gate mdb_warn("failed to read struct memseg at %p", wsp->walk_addr); 2067c478bd9Sstevel@tonic-gate return (WALK_DONE); 2077c478bd9Sstevel@tonic-gate } 2087c478bd9Sstevel@tonic-gate 2097c478bd9Sstevel@tonic-gate status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data, 2107c478bd9Sstevel@tonic-gate wsp->walk_cbdata); 2117c478bd9Sstevel@tonic-gate 2127c478bd9Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)(((struct memseg *)wsp->walk_data)->next); 2137c478bd9Sstevel@tonic-gate 2147c478bd9Sstevel@tonic-gate return (status); 2157c478bd9Sstevel@tonic-gate } 2167c478bd9Sstevel@tonic-gate 2177c478bd9Sstevel@tonic-gate void 2187c478bd9Sstevel@tonic-gate memseg_walk_fini(mdb_walk_state_t *wsp) 2197c478bd9Sstevel@tonic-gate { 2207c478bd9Sstevel@tonic-gate mdb_free(wsp->walk_data, sizeof (struct memseg)); 2217c478bd9Sstevel@tonic-gate } 2227c478bd9Sstevel@tonic-gate 2237c478bd9Sstevel@tonic-gate /* 2247c478bd9Sstevel@tonic-gate * HAT related dcmds: 2257c478bd9Sstevel@tonic-gate * 2267c478bd9Sstevel@tonic-gate * ::pte [-p XXXXXXXX] [-l 0/1/2/3] 2277c478bd9Sstevel@tonic-gate * 2287c478bd9Sstevel@tonic-gate * dcmd that interprets the -p argument as a page table entry and 2297c478bd9Sstevel@tonic-gate * prints it in more human readable form. The PTE is assumed to be in 2307c478bd9Sstevel@tonic-gate * a level 0 page table, unless -l specifies another level. 2317c478bd9Sstevel@tonic-gate * 2327c478bd9Sstevel@tonic-gate * ::vatopfn [-v] [-a as] 2337c478bd9Sstevel@tonic-gate * 2347c478bd9Sstevel@tonic-gate * Given a virtual address, returns the PFN, if any, mapped at the address. 2357c478bd9Sstevel@tonic-gate * -v shows the intermediate htable/page table entries used to resolve the 2367c478bd9Sstevel@tonic-gate * mapping. By default the virtual address is assumed to be in the kernel's 2377c478bd9Sstevel@tonic-gate * address space. -a is used to specify a different address space. 2387c478bd9Sstevel@tonic-gate */ 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate struct hat *khat; /* value of kas.a_hat */ 2417c478bd9Sstevel@tonic-gate struct hat_mmu_info mmu; 2427c478bd9Sstevel@tonic-gate uintptr_t kernelbase; 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate /* 2457c478bd9Sstevel@tonic-gate * read mmu parameters from kernel 2467c478bd9Sstevel@tonic-gate */ 2477c478bd9Sstevel@tonic-gate static void 2487c478bd9Sstevel@tonic-gate get_mmu(void) 2497c478bd9Sstevel@tonic-gate { 2507c478bd9Sstevel@tonic-gate struct as kas; 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate if (mmu.num_level != 0) 2537c478bd9Sstevel@tonic-gate return; 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate if (mdb_readsym(&mmu, sizeof (mmu), "mmu") == -1) 2567c478bd9Sstevel@tonic-gate mdb_warn("Can't use HAT information before mmu_init()\n"); 2577c478bd9Sstevel@tonic-gate if (mdb_readsym(&kas, sizeof (kas), "kas") == -1) 2587c478bd9Sstevel@tonic-gate mdb_warn("Couldn't find kas - kernel's struct as\n"); 2597c478bd9Sstevel@tonic-gate if (mdb_readsym(&kernelbase, sizeof (kernelbase), "kernelbase") == -1) 2607c478bd9Sstevel@tonic-gate mdb_warn("Couldn't find kernelbase\n"); 2617c478bd9Sstevel@tonic-gate khat = kas.a_hat; 2627c478bd9Sstevel@tonic-gate } 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate /* 2657c478bd9Sstevel@tonic-gate * Print a PTE in more human friendly way. The PTE is assumed to be in 2667c478bd9Sstevel@tonic-gate * a level 0 page table, unless -l specifies another level. 2677c478bd9Sstevel@tonic-gate * 2687c478bd9Sstevel@tonic-gate * The PTE value can be specified as the -p option, since on a 32 bit kernel 2697c478bd9Sstevel@tonic-gate * with PAE running it's larger than a uintptr_t. 2707c478bd9Sstevel@tonic-gate */ 2717c478bd9Sstevel@tonic-gate static int 2727c478bd9Sstevel@tonic-gate do_pte_dcmd(int level, uint64_t pte) 2737c478bd9Sstevel@tonic-gate { 2747c478bd9Sstevel@tonic-gate static char *attr[] = { 2757c478bd9Sstevel@tonic-gate "wrback", "wrthru", "uncached", "uncached", 2767c478bd9Sstevel@tonic-gate "wrback", "wrthru", "wrcombine", "uncached"}; 2777c478bd9Sstevel@tonic-gate int pat_index = 0; 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate mdb_printf("PTE=%llx: ", pte); 2807c478bd9Sstevel@tonic-gate if (PTE_GET(pte, mmu.pt_nx)) 2817c478bd9Sstevel@tonic-gate mdb_printf("noexec "); 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate mdb_printf("page=0x%llx ", PTE2PFN(pte, level)); 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_NOCONSIST)) 2867c478bd9Sstevel@tonic-gate mdb_printf("noconsist "); 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_NOSYNC)) 2897c478bd9Sstevel@tonic-gate mdb_printf("nosync "); 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate if (PTE_GET(pte, mmu.pt_global)) 2927c478bd9Sstevel@tonic-gate mdb_printf("global "); 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate if (level > 0 && PTE_GET(pte, PT_PAGESIZE)) 2957c478bd9Sstevel@tonic-gate mdb_printf("largepage "); 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate if (level > 0 && PTE_GET(pte, PT_MOD)) 2987c478bd9Sstevel@tonic-gate mdb_printf("mod "); 2997c478bd9Sstevel@tonic-gate 3007c478bd9Sstevel@tonic-gate if (level > 0 && PTE_GET(pte, PT_REF)) 3017c478bd9Sstevel@tonic-gate mdb_printf("ref "); 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_USER)) 3047c478bd9Sstevel@tonic-gate mdb_printf("user "); 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_WRITABLE)) 3077c478bd9Sstevel@tonic-gate mdb_printf("write "); 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate /* 3107c478bd9Sstevel@tonic-gate * Report non-standard cacheability 3117c478bd9Sstevel@tonic-gate */ 3127c478bd9Sstevel@tonic-gate pat_index = 0; 3137c478bd9Sstevel@tonic-gate if (level > 0) { 3147c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_PAGESIZE) && PTE_GET(pte, PT_PAT_LARGE)) 3157c478bd9Sstevel@tonic-gate pat_index += 4; 3167c478bd9Sstevel@tonic-gate } else { 3177c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_PAT_4K)) 3187c478bd9Sstevel@tonic-gate pat_index += 4; 3197c478bd9Sstevel@tonic-gate } 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_NOCACHE)) 3227c478bd9Sstevel@tonic-gate pat_index += 2; 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_WRITETHRU)) 3257c478bd9Sstevel@tonic-gate pat_index += 1; 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate if (pat_index != 0) 3287c478bd9Sstevel@tonic-gate mdb_printf("%s", attr[pat_index]); 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate if (PTE_GET(pte, PT_VALID) == 0) 3317c478bd9Sstevel@tonic-gate mdb_printf(" !VALID "); 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate mdb_printf("\n"); 3347c478bd9Sstevel@tonic-gate return (DCMD_OK); 3357c478bd9Sstevel@tonic-gate } 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate /* 3387c478bd9Sstevel@tonic-gate * Print a PTE in more human friendly way. The PTE is assumed to be in 3397c478bd9Sstevel@tonic-gate * a level 0 page table, unless -l specifies another level. 3407c478bd9Sstevel@tonic-gate * 3417c478bd9Sstevel@tonic-gate * The PTE value can be specified as the -p option, since on a 32 bit kernel 3427c478bd9Sstevel@tonic-gate * with PAE running it's larger than a uintptr_t. 3437c478bd9Sstevel@tonic-gate */ 3447c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 3457c478bd9Sstevel@tonic-gate int 3467c478bd9Sstevel@tonic-gate pte_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 3477c478bd9Sstevel@tonic-gate { 3487c478bd9Sstevel@tonic-gate int level = 0; 3497c478bd9Sstevel@tonic-gate uint64_t pte = 0; 3507c478bd9Sstevel@tonic-gate char *level_str = NULL; 3517c478bd9Sstevel@tonic-gate char *pte_str = NULL; 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate /* 3547c478bd9Sstevel@tonic-gate * The kernel has to at least have made it thru mmu_init() 3557c478bd9Sstevel@tonic-gate */ 3567c478bd9Sstevel@tonic-gate get_mmu(); 3577c478bd9Sstevel@tonic-gate if (mmu.num_level == 0) 3587c478bd9Sstevel@tonic-gate return (DCMD_ERR); 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate if (mdb_getopts(argc, argv, 3617c478bd9Sstevel@tonic-gate 'p', MDB_OPT_STR, &pte_str, 3627c478bd9Sstevel@tonic-gate 'l', MDB_OPT_STR, &level_str) != argc) 3637c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate /* 3667c478bd9Sstevel@tonic-gate * parse the PTE to decode, if it's 0, we don't do anything 3677c478bd9Sstevel@tonic-gate */ 3687c478bd9Sstevel@tonic-gate if (pte_str != NULL) { 3697c478bd9Sstevel@tonic-gate pte = mdb_strtoull(pte_str); 3707c478bd9Sstevel@tonic-gate } else { 3717c478bd9Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) == 0) 3727c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 3737c478bd9Sstevel@tonic-gate pte = addr; 3747c478bd9Sstevel@tonic-gate } 3757c478bd9Sstevel@tonic-gate if (pte == 0) 3767c478bd9Sstevel@tonic-gate return (DCMD_OK); 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate /* 3797c478bd9Sstevel@tonic-gate * parse the level if supplied 3807c478bd9Sstevel@tonic-gate */ 3817c478bd9Sstevel@tonic-gate if (level_str != NULL) { 3827c478bd9Sstevel@tonic-gate level = mdb_strtoull(level_str); 3837c478bd9Sstevel@tonic-gate if (level < 0 || level > mmu.max_level) 3847c478bd9Sstevel@tonic-gate return (DCMD_ERR); 3857c478bd9Sstevel@tonic-gate } 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate return (do_pte_dcmd(level, pte)); 3887c478bd9Sstevel@tonic-gate } 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate static int 3917c478bd9Sstevel@tonic-gate do_va2pfn(uintptr_t addr, struct as *asp, int print_level, physaddr_t *pap) 3927c478bd9Sstevel@tonic-gate { 3937c478bd9Sstevel@tonic-gate struct as as; 3947c478bd9Sstevel@tonic-gate struct hat *hatp; 3957c478bd9Sstevel@tonic-gate struct hat hat; 3967c478bd9Sstevel@tonic-gate htable_t *ht; 3977c478bd9Sstevel@tonic-gate htable_t htable; 3987c478bd9Sstevel@tonic-gate uintptr_t base; 3997c478bd9Sstevel@tonic-gate int h; 4007c478bd9Sstevel@tonic-gate int level; 4017c478bd9Sstevel@tonic-gate int found = 0; 4027c478bd9Sstevel@tonic-gate x86pte_t pte; 4037c478bd9Sstevel@tonic-gate x86pte_t buf; 4047c478bd9Sstevel@tonic-gate x86pte32_t *pte32 = (x86pte32_t *)&buf; 4057c478bd9Sstevel@tonic-gate physaddr_t paddr; 4067c478bd9Sstevel@tonic-gate size_t len; 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate if (asp != NULL) { 4097c478bd9Sstevel@tonic-gate if (mdb_vread(&as, sizeof (as), (uintptr_t)asp) == -1) { 4107c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read struct as\n"); 4117c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4127c478bd9Sstevel@tonic-gate } 4137c478bd9Sstevel@tonic-gate hatp = as.a_hat; 4147c478bd9Sstevel@tonic-gate } else { 4157c478bd9Sstevel@tonic-gate hatp = khat; 4167c478bd9Sstevel@tonic-gate } 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate /* 4197c478bd9Sstevel@tonic-gate * read the hat and its hash table 4207c478bd9Sstevel@tonic-gate */ 4217c478bd9Sstevel@tonic-gate if (mdb_vread(&hat, sizeof (hat), (uintptr_t)hatp) == -1) { 4227c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read struct hat\n"); 4237c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4247c478bd9Sstevel@tonic-gate } 4257c478bd9Sstevel@tonic-gate 4267c478bd9Sstevel@tonic-gate /* 4277c478bd9Sstevel@tonic-gate * read the htable hashtable 4287c478bd9Sstevel@tonic-gate */ 4297c478bd9Sstevel@tonic-gate *pap = 0; 4307c478bd9Sstevel@tonic-gate for (level = 0; level <= mmu.max_level; ++level) { 4317c478bd9Sstevel@tonic-gate if (level == mmu.max_level) 4327c478bd9Sstevel@tonic-gate base = 0; 4337c478bd9Sstevel@tonic-gate else 4347c478bd9Sstevel@tonic-gate base = addr & mmu.level_mask[level + 1]; 4357c478bd9Sstevel@tonic-gate 4367c478bd9Sstevel@tonic-gate for (h = 0; h < hat.hat_num_hash; ++h) { 4377c478bd9Sstevel@tonic-gate if (mdb_vread(&ht, sizeof (htable_t *), 4387c478bd9Sstevel@tonic-gate (uintptr_t)(hat.hat_ht_hash + h)) == -1) { 4397c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read htable\n"); 4407c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4417c478bd9Sstevel@tonic-gate } 4427c478bd9Sstevel@tonic-gate for (; ht != NULL; ht = htable.ht_next) { 4437c478bd9Sstevel@tonic-gate if (mdb_vread(&htable, sizeof (htable_t), 4447c478bd9Sstevel@tonic-gate (uintptr_t)ht) == -1) { 4457c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read htable\n"); 4467c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4477c478bd9Sstevel@tonic-gate } 4487c478bd9Sstevel@tonic-gate if (htable.ht_vaddr != base || 4497c478bd9Sstevel@tonic-gate htable.ht_level != level) 4507c478bd9Sstevel@tonic-gate continue; 4517c478bd9Sstevel@tonic-gate 4527c478bd9Sstevel@tonic-gate /* 4537c478bd9Sstevel@tonic-gate * found - read the page table entry 4547c478bd9Sstevel@tonic-gate */ 4557c478bd9Sstevel@tonic-gate paddr = htable.ht_pfn << MMU_PAGESHIFT; 4567c478bd9Sstevel@tonic-gate paddr += ((addr - base) >> 4577c478bd9Sstevel@tonic-gate mmu.level_shift[level]) << 4587c478bd9Sstevel@tonic-gate mmu.pte_size_shift; 4597c478bd9Sstevel@tonic-gate len = mdb_pread(&buf, mmu.pte_size, paddr); 4607c478bd9Sstevel@tonic-gate if (len != mmu.pte_size) 4617c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4627c478bd9Sstevel@tonic-gate if (mmu.pte_size == sizeof (x86pte_t)) 4637c478bd9Sstevel@tonic-gate pte = buf; 4647c478bd9Sstevel@tonic-gate else 4657c478bd9Sstevel@tonic-gate pte = *pte32; 4667c478bd9Sstevel@tonic-gate 4677c478bd9Sstevel@tonic-gate if (!found) { 4687c478bd9Sstevel@tonic-gate if (PTE_IS_LGPG(pte, level)) 4697c478bd9Sstevel@tonic-gate paddr = pte & PT_PADDR_LGPG; 4707c478bd9Sstevel@tonic-gate else 4717c478bd9Sstevel@tonic-gate paddr = pte & PT_PADDR; 4727c478bd9Sstevel@tonic-gate paddr += addr & mmu.level_offset[level]; 4737c478bd9Sstevel@tonic-gate *pap = paddr; 4747c478bd9Sstevel@tonic-gate found = 1; 4757c478bd9Sstevel@tonic-gate } 4767c478bd9Sstevel@tonic-gate if (print_level == 0) 4777c478bd9Sstevel@tonic-gate continue; 4787c478bd9Sstevel@tonic-gate mdb_printf("\tlevel=%d htable=%p pte=%llx\n", 4797c478bd9Sstevel@tonic-gate level, ht, pte); 4807c478bd9Sstevel@tonic-gate } 4817c478bd9Sstevel@tonic-gate } 4827c478bd9Sstevel@tonic-gate } 4837c478bd9Sstevel@tonic-gate 4847c478bd9Sstevel@tonic-gate done: 4857c478bd9Sstevel@tonic-gate if (!found) 4867c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4877c478bd9Sstevel@tonic-gate return (DCMD_OK); 4887c478bd9Sstevel@tonic-gate } 4897c478bd9Sstevel@tonic-gate 4907c478bd9Sstevel@tonic-gate int 4917c478bd9Sstevel@tonic-gate va2pfn_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 4927c478bd9Sstevel@tonic-gate { 4937c478bd9Sstevel@tonic-gate uintptr_t addrspace; 4947c478bd9Sstevel@tonic-gate char *addrspace_str = NULL; 4957c478bd9Sstevel@tonic-gate uint64_t physaddr; 4967c478bd9Sstevel@tonic-gate int rc; 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate /* 4997c478bd9Sstevel@tonic-gate * The kernel has to at least have made it thru mmu_init() 5007c478bd9Sstevel@tonic-gate */ 5017c478bd9Sstevel@tonic-gate get_mmu(); 5027c478bd9Sstevel@tonic-gate if (mmu.num_level == 0) 5037c478bd9Sstevel@tonic-gate return (DCMD_ERR); 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate if (mdb_getopts(argc, argv, 5067c478bd9Sstevel@tonic-gate 'a', MDB_OPT_STR, &addrspace_str) != argc) 5077c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 5087c478bd9Sstevel@tonic-gate 5097c478bd9Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) == 0) 5107c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 5117c478bd9Sstevel@tonic-gate 5127c478bd9Sstevel@tonic-gate /* 5137c478bd9Sstevel@tonic-gate * parse the address space 5147c478bd9Sstevel@tonic-gate */ 5157c478bd9Sstevel@tonic-gate if (addrspace_str != NULL) 5167c478bd9Sstevel@tonic-gate addrspace = mdb_strtoull(addrspace_str); 5177c478bd9Sstevel@tonic-gate else 5187c478bd9Sstevel@tonic-gate addrspace = 0; 5197c478bd9Sstevel@tonic-gate 5207c478bd9Sstevel@tonic-gate rc = do_va2pfn(addr, (struct as *)addrspace, 1, &physaddr); 5217c478bd9Sstevel@tonic-gate 5227c478bd9Sstevel@tonic-gate if (rc == DCMD_OK) 5237c478bd9Sstevel@tonic-gate mdb_printf("Virtual %p maps Physical %llx\n", addr, physaddr); 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate return (rc); 5267c478bd9Sstevel@tonic-gate } 5277c478bd9Sstevel@tonic-gate 5287c478bd9Sstevel@tonic-gate /* 5297c478bd9Sstevel@tonic-gate * Report all hat's that either use PFN as a page table or that map the page. 5307c478bd9Sstevel@tonic-gate */ 5317c478bd9Sstevel@tonic-gate static int 5327c478bd9Sstevel@tonic-gate do_report_maps(pfn_t pfn) 5337c478bd9Sstevel@tonic-gate { 534*a85a6733Sjosephb struct hat *hatp; 5357c478bd9Sstevel@tonic-gate struct hat hat; 5367c478bd9Sstevel@tonic-gate htable_t *ht; 5377c478bd9Sstevel@tonic-gate htable_t htable; 5387c478bd9Sstevel@tonic-gate uintptr_t base; 5397c478bd9Sstevel@tonic-gate int h; 5407c478bd9Sstevel@tonic-gate int level; 5417c478bd9Sstevel@tonic-gate int entry; 5427c478bd9Sstevel@tonic-gate x86pte_t pte; 5437c478bd9Sstevel@tonic-gate x86pte_t buf; 5447c478bd9Sstevel@tonic-gate x86pte32_t *pte32 = (x86pte32_t *)&buf; 5457c478bd9Sstevel@tonic-gate physaddr_t paddr; 5467c478bd9Sstevel@tonic-gate size_t len; 5477c478bd9Sstevel@tonic-gate 5487c478bd9Sstevel@tonic-gate /* 549*a85a6733Sjosephb * The hats are kept in a list with khat at the head. 5507c478bd9Sstevel@tonic-gate */ 551*a85a6733Sjosephb for (hatp = khat; hatp != NULL; hatp = hat.hat_next) { 5527c478bd9Sstevel@tonic-gate /* 5537c478bd9Sstevel@tonic-gate * read the hat and its hash table 5547c478bd9Sstevel@tonic-gate */ 5557c478bd9Sstevel@tonic-gate if (mdb_vread(&hat, sizeof (hat), (uintptr_t)hatp) == -1) { 5567c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read struct hat\n"); 5577c478bd9Sstevel@tonic-gate return (DCMD_ERR); 5587c478bd9Sstevel@tonic-gate } 5597c478bd9Sstevel@tonic-gate 5607c478bd9Sstevel@tonic-gate /* 5617c478bd9Sstevel@tonic-gate * read the htable hashtable 5627c478bd9Sstevel@tonic-gate */ 5637c478bd9Sstevel@tonic-gate paddr = 0; 5647c478bd9Sstevel@tonic-gate for (h = 0; h < hat.hat_num_hash; ++h) { 5657c478bd9Sstevel@tonic-gate if (mdb_vread(&ht, sizeof (htable_t *), 5667c478bd9Sstevel@tonic-gate (uintptr_t)(hat.hat_ht_hash + h)) == -1) { 5677c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read htable\n"); 5687c478bd9Sstevel@tonic-gate return (DCMD_ERR); 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate for (; ht != NULL; ht = htable.ht_next) { 5717c478bd9Sstevel@tonic-gate if (mdb_vread(&htable, sizeof (htable_t), 5727c478bd9Sstevel@tonic-gate (uintptr_t)ht) == -1) { 5737c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read htable\n"); 5747c478bd9Sstevel@tonic-gate return (DCMD_ERR); 5757c478bd9Sstevel@tonic-gate } 5767c478bd9Sstevel@tonic-gate 5777c478bd9Sstevel@tonic-gate /* 5787c478bd9Sstevel@tonic-gate * only report kernel addresses once 5797c478bd9Sstevel@tonic-gate */ 5807c478bd9Sstevel@tonic-gate if (hatp != khat && 5817c478bd9Sstevel@tonic-gate htable.ht_vaddr >= kernelbase) 5827c478bd9Sstevel@tonic-gate continue; 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate /* 5857c478bd9Sstevel@tonic-gate * Is the PFN a pagetable itself? 5867c478bd9Sstevel@tonic-gate */ 5877c478bd9Sstevel@tonic-gate if (htable.ht_pfn == pfn) { 5887c478bd9Sstevel@tonic-gate mdb_printf("Pagetable for " 5897c478bd9Sstevel@tonic-gate "hat=%p htable=%p\n", hatp, ht); 5907c478bd9Sstevel@tonic-gate continue; 5917c478bd9Sstevel@tonic-gate } 5927c478bd9Sstevel@tonic-gate 5937c478bd9Sstevel@tonic-gate /* 5947c478bd9Sstevel@tonic-gate * otherwise, examine page mappings 5957c478bd9Sstevel@tonic-gate */ 5967c478bd9Sstevel@tonic-gate level = htable.ht_level; 5977c478bd9Sstevel@tonic-gate if (level > mmu.max_page_level) 5987c478bd9Sstevel@tonic-gate continue; 5997c478bd9Sstevel@tonic-gate paddr = htable.ht_pfn << MMU_PAGESHIFT; 6007c478bd9Sstevel@tonic-gate for (entry = 0; entry < htable.ht_num_ptes; 6017c478bd9Sstevel@tonic-gate ++entry) { 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate base = htable.ht_vaddr + entry * 6047c478bd9Sstevel@tonic-gate mmu.level_size[level]; 6057c478bd9Sstevel@tonic-gate 6067c478bd9Sstevel@tonic-gate /* 6077c478bd9Sstevel@tonic-gate * only report kernel addresses once 6087c478bd9Sstevel@tonic-gate */ 6097c478bd9Sstevel@tonic-gate if (hatp != khat && 6107c478bd9Sstevel@tonic-gate base >= kernelbase) 6117c478bd9Sstevel@tonic-gate continue; 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate len = mdb_pread(&buf, mmu.pte_size, 6147c478bd9Sstevel@tonic-gate paddr + entry * mmu.pte_size); 6157c478bd9Sstevel@tonic-gate if (len != mmu.pte_size) 6167c478bd9Sstevel@tonic-gate return (DCMD_ERR); 6177c478bd9Sstevel@tonic-gate if (mmu.pte_size == sizeof (x86pte_t)) 6187c478bd9Sstevel@tonic-gate pte = buf; 6197c478bd9Sstevel@tonic-gate else 6207c478bd9Sstevel@tonic-gate pte = *pte32; 6217c478bd9Sstevel@tonic-gate 6227c478bd9Sstevel@tonic-gate if ((pte & PT_VALID) == 0) 6237c478bd9Sstevel@tonic-gate continue; 6247c478bd9Sstevel@tonic-gate if (level == 0 || !(pte & PT_PAGESIZE)) 6257c478bd9Sstevel@tonic-gate pte &= PT_PADDR; 6267c478bd9Sstevel@tonic-gate else 6277c478bd9Sstevel@tonic-gate pte &= PT_PADDR_LGPG; 6287c478bd9Sstevel@tonic-gate if ((pte >> MMU_PAGESHIFT) != pfn) 6297c478bd9Sstevel@tonic-gate continue; 6307c478bd9Sstevel@tonic-gate mdb_printf("hat=%p maps addr=%p\n", 6317c478bd9Sstevel@tonic-gate hatp, (caddr_t)base); 6327c478bd9Sstevel@tonic-gate } 6337c478bd9Sstevel@tonic-gate } 6347c478bd9Sstevel@tonic-gate } 6357c478bd9Sstevel@tonic-gate } 6367c478bd9Sstevel@tonic-gate 6377c478bd9Sstevel@tonic-gate done: 6387c478bd9Sstevel@tonic-gate return (DCMD_OK); 6397c478bd9Sstevel@tonic-gate } 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate /* 6427c478bd9Sstevel@tonic-gate * given a PFN as its address argument, prints out the uses of it 6437c478bd9Sstevel@tonic-gate */ 6447c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 6457c478bd9Sstevel@tonic-gate int 6467c478bd9Sstevel@tonic-gate report_maps_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 6477c478bd9Sstevel@tonic-gate { 6487c478bd9Sstevel@tonic-gate /* 6497c478bd9Sstevel@tonic-gate * The kernel has to at least have made it thru mmu_init() 6507c478bd9Sstevel@tonic-gate */ 6517c478bd9Sstevel@tonic-gate get_mmu(); 6527c478bd9Sstevel@tonic-gate if (mmu.num_level == 0) 6537c478bd9Sstevel@tonic-gate return (DCMD_ERR); 6547c478bd9Sstevel@tonic-gate 6557c478bd9Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) == 0) 6567c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate return (do_report_maps((pfn_t)addr)); 6597c478bd9Sstevel@tonic-gate } 6607c478bd9Sstevel@tonic-gate 6617c478bd9Sstevel@tonic-gate /* 6627c478bd9Sstevel@tonic-gate * Dump the page table at the given PFN 6637c478bd9Sstevel@tonic-gate */ 6647c478bd9Sstevel@tonic-gate static int 6657c478bd9Sstevel@tonic-gate do_ptable_dcmd(pfn_t pfn) 6667c478bd9Sstevel@tonic-gate { 667*a85a6733Sjosephb struct hat *hatp; 6687c478bd9Sstevel@tonic-gate struct hat hat; 6697c478bd9Sstevel@tonic-gate htable_t *ht; 6707c478bd9Sstevel@tonic-gate htable_t htable; 6717c478bd9Sstevel@tonic-gate uintptr_t base; 6727c478bd9Sstevel@tonic-gate int h; 6737c478bd9Sstevel@tonic-gate int level; 6747c478bd9Sstevel@tonic-gate int entry; 6757c478bd9Sstevel@tonic-gate uintptr_t pagesize; 6767c478bd9Sstevel@tonic-gate x86pte_t pte; 6777c478bd9Sstevel@tonic-gate x86pte_t buf; 6787c478bd9Sstevel@tonic-gate x86pte32_t *pte32 = (x86pte32_t *)&buf; 6797c478bd9Sstevel@tonic-gate physaddr_t paddr; 6807c478bd9Sstevel@tonic-gate size_t len; 6817c478bd9Sstevel@tonic-gate 6827c478bd9Sstevel@tonic-gate /* 683*a85a6733Sjosephb * The hats are kept in a list with khat at the head. 6847c478bd9Sstevel@tonic-gate */ 685*a85a6733Sjosephb for (hatp = khat; hatp != NULL; hatp = hat.hat_next) { 6867c478bd9Sstevel@tonic-gate /* 6877c478bd9Sstevel@tonic-gate * read the hat and its hash table 6887c478bd9Sstevel@tonic-gate */ 6897c478bd9Sstevel@tonic-gate if (mdb_vread(&hat, sizeof (hat), (uintptr_t)hatp) == -1) { 6907c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read struct hat\n"); 6917c478bd9Sstevel@tonic-gate return (DCMD_ERR); 6927c478bd9Sstevel@tonic-gate } 6937c478bd9Sstevel@tonic-gate 6947c478bd9Sstevel@tonic-gate /* 6957c478bd9Sstevel@tonic-gate * read the htable hashtable 6967c478bd9Sstevel@tonic-gate */ 6977c478bd9Sstevel@tonic-gate paddr = 0; 6987c478bd9Sstevel@tonic-gate for (h = 0; h < hat.hat_num_hash; ++h) { 6997c478bd9Sstevel@tonic-gate if (mdb_vread(&ht, sizeof (htable_t *), 7007c478bd9Sstevel@tonic-gate (uintptr_t)(hat.hat_ht_hash + h)) == -1) { 7017c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read htable\n"); 7027c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7037c478bd9Sstevel@tonic-gate } 7047c478bd9Sstevel@tonic-gate for (; ht != NULL; ht = htable.ht_next) { 7057c478bd9Sstevel@tonic-gate if (mdb_vread(&htable, sizeof (htable_t), 7067c478bd9Sstevel@tonic-gate (uintptr_t)ht) == -1) { 7077c478bd9Sstevel@tonic-gate mdb_warn("Couldn't read htable\n"); 7087c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7097c478bd9Sstevel@tonic-gate } 7107c478bd9Sstevel@tonic-gate 7117c478bd9Sstevel@tonic-gate /* 7127c478bd9Sstevel@tonic-gate * Is this the PFN for this htable 7137c478bd9Sstevel@tonic-gate */ 7147c478bd9Sstevel@tonic-gate if (htable.ht_pfn == pfn) 7157c478bd9Sstevel@tonic-gate goto found_it; 7167c478bd9Sstevel@tonic-gate } 7177c478bd9Sstevel@tonic-gate } 7187c478bd9Sstevel@tonic-gate } 7197c478bd9Sstevel@tonic-gate 7207c478bd9Sstevel@tonic-gate found_it: 7217c478bd9Sstevel@tonic-gate if (htable.ht_pfn == pfn) { 7227c478bd9Sstevel@tonic-gate mdb_printf("htable=%p\n", ht); 7237c478bd9Sstevel@tonic-gate level = htable.ht_level; 7247c478bd9Sstevel@tonic-gate base = htable.ht_vaddr; 7257c478bd9Sstevel@tonic-gate pagesize = mmu.level_size[level]; 7267c478bd9Sstevel@tonic-gate } else { 7277c478bd9Sstevel@tonic-gate mdb_printf("Unknown pagetable - assuming level/addr 0"); 7287c478bd9Sstevel@tonic-gate level = 0; /* assume level == 0 for PFN */ 7297c478bd9Sstevel@tonic-gate base = 0; 7307c478bd9Sstevel@tonic-gate pagesize = MMU_PAGESIZE; 7317c478bd9Sstevel@tonic-gate } 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate paddr = pfn << MMU_PAGESHIFT; 7347c478bd9Sstevel@tonic-gate for (entry = 0; entry < mmu.ptes_per_table; ++entry) { 7357c478bd9Sstevel@tonic-gate len = mdb_pread(&buf, mmu.pte_size, 7367c478bd9Sstevel@tonic-gate paddr + entry * mmu.pte_size); 7377c478bd9Sstevel@tonic-gate if (len != mmu.pte_size) 7387c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7397c478bd9Sstevel@tonic-gate if (mmu.pte_size == sizeof (x86pte_t)) 7407c478bd9Sstevel@tonic-gate pte = buf; 7417c478bd9Sstevel@tonic-gate else 7427c478bd9Sstevel@tonic-gate pte = *pte32; 7437c478bd9Sstevel@tonic-gate 7447c478bd9Sstevel@tonic-gate if (pte == 0) 7457c478bd9Sstevel@tonic-gate continue; 7467c478bd9Sstevel@tonic-gate 7477c478bd9Sstevel@tonic-gate mdb_printf("[%3d] va=%p ", entry, base + entry * pagesize); 7487c478bd9Sstevel@tonic-gate do_pte_dcmd(level, pte); 7497c478bd9Sstevel@tonic-gate } 7507c478bd9Sstevel@tonic-gate 7517c478bd9Sstevel@tonic-gate done: 7527c478bd9Sstevel@tonic-gate return (DCMD_OK); 7537c478bd9Sstevel@tonic-gate } 7547c478bd9Sstevel@tonic-gate 7557c478bd9Sstevel@tonic-gate /* 7567c478bd9Sstevel@tonic-gate * given a PFN as its address argument, prints out the uses of it 7577c478bd9Sstevel@tonic-gate */ 7587c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 7597c478bd9Sstevel@tonic-gate int 7607c478bd9Sstevel@tonic-gate ptable_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 7617c478bd9Sstevel@tonic-gate { 7627c478bd9Sstevel@tonic-gate /* 7637c478bd9Sstevel@tonic-gate * The kernel has to at least have made it thru mmu_init() 7647c478bd9Sstevel@tonic-gate */ 7657c478bd9Sstevel@tonic-gate get_mmu(); 7667c478bd9Sstevel@tonic-gate if (mmu.num_level == 0) 7677c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7687c478bd9Sstevel@tonic-gate 7697c478bd9Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) == 0) 7707c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 7717c478bd9Sstevel@tonic-gate 7727c478bd9Sstevel@tonic-gate return (do_ptable_dcmd((pfn_t)addr)); 7737c478bd9Sstevel@tonic-gate } 774