33 * This file contains the functionality that mimics the boot operations
34 * on SPARC systems or the old boot.bin/multiboot programs on x86 systems.
35 * The x86 kernel now does everything on its own.
36 */
37
38 #include <sys/types.h>
39 #include <sys/bootconf.h>
40 #include <sys/bootsvcs.h>
41 #include <sys/bootinfo.h>
42 #include <sys/multiboot.h>
43 #include <sys/multiboot2.h>
44 #include <sys/multiboot2_impl.h>
45 #include <sys/bootvfs.h>
46 #include <sys/bootprops.h>
47 #include <sys/varargs.h>
48 #include <sys/param.h>
49 #include <sys/machparam.h>
50 #include <sys/machsystm.h>
51 #include <sys/archsystm.h>
52 #include <sys/boot_console.h>
53 #include <sys/cmn_err.h>
54 #include <sys/systm.h>
55 #include <sys/promif.h>
56 #include <sys/archsystm.h>
57 #include <sys/x86_archext.h>
58 #include <sys/kobj.h>
59 #include <sys/privregs.h>
60 #include <sys/sysmacros.h>
61 #include <sys/ctype.h>
62 #include <sys/fastboot.h>
63 #ifdef __xpv
64 #include <sys/hypervisor.h>
65 #include <net/if.h>
66 #endif
67 #include <vm/kboot_mmu.h>
68 #include <vm/hat_pte.h>
69 #include <sys/kobj.h>
70 #include <sys/kobj_lex.h>
71 #include <sys/pci_cfgspace_impl.h>
72 #include <sys/fastboot_impl.h>
73 #include <sys/acpi/acconfig.h>
74 #include <sys/acpi/acpi.h>
75
76 static int have_console = 0; /* set once primitive console is initialized */
77 static char *boot_args = "";
78
79 /*
80 * Debugging macros
81 */
82 static uint_t kbm_debug = 0;
83 #define DBG_MSG(s) { if (kbm_debug) bop_printf(NULL, "%s", s); }
84 #define DBG(x) { if (kbm_debug) \
85 bop_printf(NULL, "%s is %" PRIx64 "\n", #x, (uint64_t)(x)); \
86 }
87
88 #define PUT_STRING(s) { \
89 char *cp; \
90 for (cp = (s); *cp; ++cp) \
91 bcons_putchar(*cp); \
92 }
93
94 bootops_t bootop; /* simple bootops we'll pass on to kernel */
95 struct bsys_mem bm;
96
97 /*
98 * Boot info from "glue" code in low memory. xbootp is used by:
99 * do_bop_phys_alloc(), do_bsys_alloc() and boot_prop_finish().
100 */
101 static struct xboot_info *xbootp;
102 static uintptr_t next_virt; /* next available virtual address */
103 static paddr_t next_phys; /* next available physical address from dboot */
104 static paddr_t high_phys = -(paddr_t)1; /* last used physical address */
105
106 /*
107 * buffer for vsnprintf for console I/O
108 */
109 #define BUFFERSIZE 512
110 static char buffer[BUFFERSIZE];
111
112 /*
113 * stuff to store/report/manipulate boot property settings.
114 */
115 typedef struct bootprop {
116 struct bootprop *bp_next;
117 char *bp_name;
118 uint_t bp_vlen;
119 char *bp_value;
120 } bootprop_t;
121
122 static bootprop_t *bprops = NULL;
123 static char *curr_page = NULL; /* ptr to avail bprop memory */
124 static int curr_space = 0; /* amount of memory at curr_page */
125
126 #ifdef __xpv
127 start_info_t *xen_info;
128 shared_info_t *HYPERVISOR_shared_info;
129 #endif
130
131 /*
132 * some allocator statistics
133 */
134 static ulong_t total_bop_alloc_scratch = 0;
135 static ulong_t total_bop_alloc_kernel = 0;
136
137 static void build_firmware_properties(struct xboot_info *);
138
335 do_bsys_free(bootops_t *bop, caddr_t virt, size_t size)
336 {
337 bop_printf(NULL, "do_bsys_free(virt=0x%p, size=0x%lx) ignored\n",
338 (void *)virt, size);
339 }
340
341 /*
342 * Old interface
343 */
344 /*ARGSUSED*/
345 static caddr_t
346 do_bsys_ealloc(bootops_t *bop, caddr_t virthint, size_t size,
347 int align, int flags)
348 {
349 prom_panic("unsupported call to BOP_EALLOC()\n");
350 return (0);
351 }
352
353
354 static void
355 bsetprop(char *name, int nlen, void *value, int vlen)
356 {
357 uint_t size;
358 uint_t need_size;
359 bootprop_t *b;
360
361 /*
362 * align the size to 16 byte boundary
363 */
364 size = sizeof (bootprop_t) + nlen + 1 + vlen;
365 size = (size + 0xf) & ~0xf;
366 if (size > curr_space) {
367 need_size = (size + (MMU_PAGEOFFSET)) & MMU_PAGEMASK;
368 curr_page = do_bsys_alloc(NULL, 0, need_size, MMU_PAGESIZE);
369 curr_space = need_size;
370 }
371
372 /*
373 * use a bootprop_t at curr_page and link into list
374 */
375 b = (bootprop_t *)curr_page;
376 curr_page += sizeof (bootprop_t);
377 curr_space -= sizeof (bootprop_t);
378 b->bp_next = bprops;
379 bprops = b;
380
381 /*
382 * follow by name and ending zero byte
383 */
384 b->bp_name = curr_page;
385 bcopy(name, curr_page, nlen);
386 curr_page += nlen;
387 *curr_page++ = 0;
388 curr_space -= nlen + 1;
389
390 /*
391 * copy in value, but no ending zero byte
392 */
393 b->bp_value = curr_page;
394 b->bp_vlen = vlen;
395 if (vlen > 0) {
396 bcopy(value, curr_page, vlen);
397 curr_page += vlen;
398 curr_space -= vlen;
399 }
400
401 /*
402 * align new values of curr_page, curr_space
403 */
404 while (curr_space & 0xf) {
405 ++curr_page;
406 --curr_space;
407 }
408 }
409
410 static void
411 bsetprops(char *name, char *value)
412 {
413 bsetprop(name, strlen(name), value, strlen(value) + 1);
414 }
415
416 static void
417 bsetprop64(char *name, uint64_t value)
418 {
419 bsetprop(name, strlen(name), (void *)&value, sizeof (value));
420 }
421
422 static void
423 bsetpropsi(char *name, int value)
424 {
425 char prop_val[32];
426
427 (void) snprintf(prop_val, sizeof (prop_val), "%d", value);
428 bsetprops(name, prop_val);
429 }
430
431 /*
432 * to find the size of the buffer to allocate
433 */
434 /*ARGSUSED*/
435 int
436 do_bsys_getproplen(bootops_t *bop, const char *name)
437 {
438 bootprop_t *b;
439
440 for (b = bprops; b; b = b->bp_next) {
441 if (strcmp(name, b->bp_name) != 0)
442 continue;
443 return (b->bp_vlen);
444 }
445 return (-1);
446 }
447
448 /*
449 * get the value associated with this name
450 */
451 /*ARGSUSED*/
551
552 for (i = 0; i < size; i++) {
553 if (value[i] == '\0')
554 return (i != (size - 1));
555
556 if (!isprint(value[i]))
557 return (B_TRUE);
558 }
559 return (B_FALSE);
560 }
561
562 /*
563 * Print out information about all boot properties.
564 * buffer is pointer to pre-allocated space to be used as temporary
565 * space for property values.
566 */
567 static void
568 boot_prop_display(char *buffer)
569 {
570 char *name = "";
571 int i, len;
572
573 bop_printf(NULL, "\nBoot properties:\n");
574
575 while ((name = do_bsys_nextprop(NULL, name)) != NULL) {
576 bop_printf(NULL, "\t0x%p %s = ", (void *)name, name);
577 (void) do_bsys_getprop(NULL, name, buffer);
578 len = do_bsys_getproplen(NULL, name);
579 bop_printf(NULL, "len=%d ", len);
580 if (!unprintable(buffer, len)) {
581 buffer[len] = 0;
582 bop_printf(NULL, "%s\n", buffer);
583 continue;
584 }
585 for (i = 0; i < len; i++) {
586 bop_printf(NULL, "%02x", buffer[i] & 0xff);
587 if (i < len - 1)
588 bop_printf(NULL, ".");
589 }
590 bop_printf(NULL, "\n");
591 }
592 }
593
594 /*
595 * 2nd part of building the table of boot properties. This includes:
596 * - values from /boot/solaris/bootenv.rc (ie. eeprom(1m) values)
597 *
598 * lines look like one of:
599 * ^$
600 * ^# comment till end of line
601 * setprop name 'value'
602 * setprop name value
603 * setprop name "value"
604 *
605 * we do single character I/O since this is really just looking at memory
606 */
607 void
608 boot_prop_finish(void)
609 {
697 }
698 name[n_len] = 0;
699 if (v_len > 0)
700 value[v_len] = 0;
701 else
702 continue;
703
704 /*
705 * ignore "boot-file" property, it's now meaningless
706 */
707 if (strcmp(name, "boot-file") == 0)
708 continue;
709 if (strcmp(name, "boot-args") == 0 &&
710 strlen(boot_args) > 0)
711 continue;
712
713 /*
714 * If a property was explicitly set on the command line
715 * it will override a setting in bootenv.rc
716 */
717 if (do_bsys_getproplen(NULL, name) > 0)
718 continue;
719
720 bsetprop(name, n_len, value, v_len + 1);
721 }
722 done:
723 if (fd >= 0)
724 (void) BRD_CLOSE(bfs_ops, fd);
725
726 /*
727 * Check if we have to limit the boot time allocator
728 */
729 if (do_bsys_getproplen(NULL, "physmem") != -1 &&
730 do_bsys_getprop(NULL, "physmem", line) >= 0 &&
731 parse_value(line, &lvalue) != -1) {
732 if (0 < lvalue && (lvalue < physmem || physmem == 0)) {
733 physmem = (pgcnt_t)lvalue;
734 DBG(physmem);
735 }
736 }
737 early_allocation = 0;
738
739 /*
740 * check to see if we have to override the default value of the console
974
975 DBG_MSG("VBD bootpath set to ");
976 DBG_MSG(vbdpath);
977 DBG_MSG("\n");
978 }
979
980 /*
981 * parse the xpv-nfsroot property to create properties used by
982 * nfs_mountroot.
983 */
984 static void
985 xen_nfsroot_props(char *s)
986 {
987 char *prop_map[] = {
988 BP_SERVER_IP, /* server IP address */
989 BP_SERVER_NAME, /* server hostname */
990 BP_SERVER_PATH, /* root path */
991 };
992 int n_prop = sizeof (prop_map) / sizeof (prop_map[0]);
993
994 bsetprop("fstype", 6, "nfs", 4);
995
996 xen_parse_props(s, prop_map, n_prop);
997
998 /*
999 * If a server name wasn't specified, use a default.
1000 */
1001 if (do_bsys_getproplen(NULL, BP_SERVER_NAME) == -1)
1002 bsetprops(BP_SERVER_NAME, "unknown");
1003 }
1004
1005 /*
1006 * Extract our IP address, etc. from the "xpv-ip" property.
1007 */
1008 static void
1009 xen_ip_props(char *s)
1010 {
1011 char *prop_map[] = {
1012 BP_HOST_IP, /* IP address */
1013 NULL, /* NFS server IP address (ignored in */
1014 /* favour of xpv-nfsroot) */
1340 #ifndef __xpv
1341 static int stdout_val = 0;
1342 uchar_t boot_device;
1343 char str[3];
1344 #endif
1345
1346 /*
1347 * These have to be done first, so that kobj_mount_root() works
1348 */
1349 DBG_MSG("Building boot properties\n");
1350 propbuf = do_bsys_alloc(NULL, NULL, MMU_PAGESIZE, 0);
1351 DBG((uintptr_t)propbuf);
1352 if (xbp->bi_module_cnt > 0) {
1353 bm = xbp->bi_modules;
1354 rdbm = NULL;
1355 for (midx = i = 0; i < xbp->bi_module_cnt; i++) {
1356 if (bm[i].bm_type == BMT_ROOTFS) {
1357 rdbm = &bm[i];
1358 continue;
1359 }
1360 if (bm[i].bm_type == BMT_HASH || bm[i].bm_name == NULL)
1361 continue;
1362
1363 if (bm[i].bm_type == BMT_ENV) {
1364 if (benv == NULL)
1365 benv = &bm[i];
1366 else
1367 continue;
1368 }
1369
1370 (void) snprintf(modid, sizeof (modid),
1371 "module-name-%u", midx);
1372 bsetprops(modid, (char *)bm[i].bm_name);
1373 (void) snprintf(modid, sizeof (modid),
1374 "module-addr-%u", midx);
1375 bsetprop64(modid, (uint64_t)(uintptr_t)bm[i].bm_addr);
1376 (void) snprintf(modid, sizeof (modid),
1377 "module-size-%u", midx);
1378 bsetprop64(modid, (uint64_t)bm[i].bm_size);
1379 ++midx;
1380 }
1555
1556 /*
1557 * In the quote accept any character,
1558 * but look for ending quote.
1559 */
1560 if (quoted) {
1561 if (value[value_len] == quoted)
1562 quoted = 0;
1563 continue;
1564 }
1565
1566 /*
1567 * a comma or white space ends the value
1568 */
1569 if (value[value_len] == ',' ||
1570 ISSPACE(value[value_len]))
1571 break;
1572 }
1573
1574 if (value_len == 0) {
1575 bsetprop(name, name_len, "true", 5);
1576 } else {
1577 char *v = value;
1578 int l = value_len;
1579 if (v[0] == v[l - 1] &&
1580 (v[0] == '\'' || v[0] == '"')) {
1581 ++v;
1582 l -= 2;
1583 }
1584 bcopy(v, propbuf, l);
1585 propbuf[l] = '\0';
1586 bsetprop(name, name_len, propbuf,
1587 l + 1);
1588 }
1589 name = value + value_len;
1590 while (*name == ',')
1591 ++name;
1592 }
1593 }
1594
1595 /*
1596 * set boot-args property
1597 * 1275 name is bootargs, so set
1598 * that too
1599 */
1600 bsetprops("boot-args", boot_args);
1601 bsetprops("bootargs", boot_args);
1602
1603 process_boot_environment(benv);
1604
1605 #ifndef __xpv
1606 /*
1607 * Build boot command line for Fast Reboot
1626 if (mbi != NULL && mbi->flags & MB_INFO_BOOTDEV) {
1627 boot_device = mbi->boot_device >> 24;
1628 if (boot_device == 0x20)
1629 netboot++;
1630 str[0] = (boot_device >> 4) + '0';
1631 str[1] = (boot_device & 0xf) + '0';
1632 str[2] = 0;
1633 bsetprops("bios-boot-device", str);
1634 } else {
1635 netboot = 1;
1636 }
1637
1638 /*
1639 * In the netboot case, drives_info is overloaded with the
1640 * dhcp ack. This is not multiboot compliant and requires
1641 * special pxegrub!
1642 */
1643 if (netboot && mbi->drives_length != 0) {
1644 sip = (struct sol_netinfo *)(uintptr_t)mbi->drives_addr;
1645 if (sip->sn_infotype == SN_TYPE_BOOTP)
1646 bsetprop("bootp-response",
1647 sizeof ("bootp-response"),
1648 (void *)(uintptr_t)mbi->drives_addr,
1649 mbi->drives_length);
1650 else if (sip->sn_infotype == SN_TYPE_RARP)
1651 setup_rarp_props(sip);
1652 }
1653 } else {
1654 multiboot2_info_header_t *mbi = xbp->bi_mb_info;
1655 multiboot_tag_bootdev_t *bootdev = NULL;
1656 multiboot_tag_network_t *netdev = NULL;
1657
1658 if (mbi != NULL) {
1659 bootdev = dboot_multiboot2_find_tag(mbi,
1660 MULTIBOOT_TAG_TYPE_BOOTDEV);
1661 netdev = dboot_multiboot2_find_tag(mbi,
1662 MULTIBOOT_TAG_TYPE_NETWORK);
1663 }
1664 if (bootdev != NULL) {
1665 DBG(bootdev->mb_biosdev);
1666 boot_device = bootdev->mb_biosdev;
1667 str[0] = (boot_device >> 4) + '0';
1668 str[1] = (boot_device & 0xf) + '0';
1669 str[2] = 0;
1670 bsetprops("bios-boot-device", str);
1671 }
1672 if (netdev != NULL) {
1673 bsetprop("bootp-response", sizeof ("bootp-response"),
1674 (void *)(uintptr_t)netdev->mb_dhcpack,
1675 netdev->mb_size -
1676 sizeof (multiboot_tag_network_t));
1677 }
1678 }
1679
1680 bsetprop("stdout", strlen("stdout"),
1681 &stdout_val, sizeof (stdout_val));
1682 #endif /* __xpv */
1683
1684 /*
1685 * more conjured up values for made up things....
1686 */
1687 #if defined(__xpv)
1688 bsetprops("mfg-name", "i86xpv");
1689 bsetprops("impl-arch-name", "i86xpv");
1690 #else
1691 bsetprops("mfg-name", "i86pc");
1692 bsetprops("impl-arch-name", "i86pc");
1693 #endif
1694
1695 /*
1696 * Build firmware-provided system properties
1697 */
1698 build_firmware_properties(xbp);
1699
1700 /*
1701 * XXPV
2012 bops->bsys_ealloc = do_bsys_ealloc;
2013
2014 #ifdef __xpv
2015 /*
2016 * On domain 0 we need to free up some physical memory that is
2017 * usable for DMA. Since GRUB loaded the boot_archive, it is
2018 * sitting in low MFN memory. We'll relocated the boot archive
2019 * pages to high PFN memory.
2020 */
2021 if (DOMAIN_IS_INITDOMAIN(xen_info))
2022 relocate_boot_archive(xbp);
2023 #endif
2024
2025 #ifndef __xpv
2026 /*
2027 * Install an IDT to catch early pagefaults (shouldn't have any).
2028 * Also needed for kmdb.
2029 */
2030 bop_idt_init();
2031 #endif
2032
2033 /*
2034 * Start building the boot properties from the command line
2035 */
2036 DBG_MSG("Initializing boot properties:\n");
2037 build_boot_properties(xbp);
2038
2039 if (find_boot_prop("prom_debug") || kbm_debug) {
2040 char *value;
2041
2042 value = do_bsys_alloc(NULL, NULL, MMU_PAGESIZE, MMU_PAGESIZE);
2043 boot_prop_display(value);
2044 }
2045
2046 /*
2047 * jump into krtld...
2048 */
2049 _kobj_boot(&bop_sysp, NULL, bops, NULL);
2050 }
2051
2291 }
2292 }
2293 return (NULL);
2294 }
2295
2296 static void
2297 process_mcfg(ACPI_TABLE_MCFG *tp)
2298 {
2299 ACPI_MCFG_ALLOCATION *cfg_baap;
2300 char *cfg_baa_endp;
2301 int64_t ecfginfo[4];
2302
2303 cfg_baap = (ACPI_MCFG_ALLOCATION *)((uintptr_t)tp + sizeof (*tp));
2304 cfg_baa_endp = ((char *)tp) + tp->Header.Length;
2305 while ((char *)cfg_baap < cfg_baa_endp) {
2306 if (cfg_baap->Address != 0 && cfg_baap->PciSegment == 0) {
2307 ecfginfo[0] = cfg_baap->Address;
2308 ecfginfo[1] = cfg_baap->PciSegment;
2309 ecfginfo[2] = cfg_baap->StartBusNumber;
2310 ecfginfo[3] = cfg_baap->EndBusNumber;
2311 bsetprop(MCFG_PROPNAME, strlen(MCFG_PROPNAME),
2312 ecfginfo, sizeof (ecfginfo));
2313 break;
2314 }
2315 cfg_baap++;
2316 }
2317 }
2318
2319 #ifndef __xpv
2320 static void
2321 process_madt_entries(ACPI_TABLE_MADT *tp, uint32_t *cpu_countp,
2322 uint32_t *cpu_possible_countp, uint32_t *cpu_apicid_array)
2323 {
2324 ACPI_SUBTABLE_HEADER *item, *end;
2325 uint32_t cpu_count = 0;
2326 uint32_t cpu_possible_count = 0;
2327
2328 /*
2329 * Determine number of CPUs and keep track of "final" APIC ID
2330 * for each CPU by walking through ACPI MADT processor list
2331 */
2379 uint32_t cpu_count = 0;
2380 uint32_t cpu_possible_count = 0;
2381 uint32_t *cpu_apicid_array; /* x2APIC ID is 32bit! */
2382
2383 if (tp != NULL) {
2384 /* count cpu's */
2385 process_madt_entries(tp, &cpu_count, &cpu_possible_count, NULL);
2386
2387 cpu_apicid_array = (uint32_t *)do_bsys_alloc(NULL, NULL,
2388 cpu_count * sizeof (*cpu_apicid_array), MMU_PAGESIZE);
2389 if (cpu_apicid_array == NULL)
2390 bop_panic("Not enough memory for APIC ID array");
2391
2392 /* copy IDs */
2393 process_madt_entries(tp, NULL, NULL, cpu_apicid_array);
2394
2395 /*
2396 * Make boot property for array of "final" APIC IDs for each
2397 * CPU
2398 */
2399 bsetprop(BP_CPU_APICID_ARRAY, strlen(BP_CPU_APICID_ARRAY),
2400 cpu_apicid_array, cpu_count * sizeof (*cpu_apicid_array));
2401 }
2402
2403 /*
2404 * Check whether property plat-max-ncpus is already set.
2405 */
2406 if (do_bsys_getproplen(NULL, PLAT_MAX_NCPUS_NAME) < 0) {
2407 /*
2408 * Set plat-max-ncpus to number of maximum possible CPUs given
2409 * in MADT if it hasn't been set.
2410 * There's no formal way to detect max possible CPUs supported
2411 * by platform according to ACPI spec3.0b. So current CPU
2412 * hotplug implementation expects that all possible CPUs will
2413 * have an entry in MADT table and set plat-max-ncpus to number
2414 * of entries in MADT.
2415 * With introducing of ACPI4.0, Maximum System Capability Table
2416 * (MSCT) provides maximum number of CPUs supported by platform.
2417 * If MSCT is unavailable, fall back to old way.
2418 */
2419 if (tp != NULL)
2472
2473 proc_num = mem_num = 0;
2474 end = (ACPI_SUBTABLE_HEADER *)(tp->Header.Length + (uintptr_t)tp);
2475 item = (ACPI_SUBTABLE_HEADER *)((uintptr_t)tp + sizeof (*tp));
2476 while (item < end) {
2477 switch (item->Type) {
2478 case ACPI_SRAT_TYPE_CPU_AFFINITY: {
2479 ACPI_SRAT_CPU_AFFINITY *cpu =
2480 (ACPI_SRAT_CPU_AFFINITY *) item;
2481
2482 if (!(cpu->Flags & ACPI_SRAT_CPU_ENABLED))
2483 break;
2484 processor.domain = cpu->ProximityDomainLo;
2485 for (i = 0; i < 3; i++)
2486 processor.domain +=
2487 cpu->ProximityDomainHi[i] << ((i + 1) * 8);
2488 processor.apic_id = cpu->ApicId;
2489 processor.sapic_id = cpu->LocalSapicEid;
2490 (void) snprintf(prop_name, 30, "acpi-srat-processor-%d",
2491 proc_num);
2492 bsetprop(prop_name, strlen(prop_name), &processor,
2493 sizeof (processor));
2494 proc_num++;
2495 break;
2496 }
2497 case ACPI_SRAT_TYPE_MEMORY_AFFINITY: {
2498 ACPI_SRAT_MEM_AFFINITY *mem =
2499 (ACPI_SRAT_MEM_AFFINITY *)item;
2500
2501 if (!(mem->Flags & ACPI_SRAT_MEM_ENABLED))
2502 break;
2503 memory.domain = mem->ProximityDomain;
2504 memory.addr = mem->BaseAddress;
2505 memory.length = mem->Length;
2506 memory.flags = mem->Flags;
2507 (void) snprintf(prop_name, 30, "acpi-srat-memory-%d",
2508 mem_num);
2509 bsetprop(prop_name, strlen(prop_name), &memory,
2510 sizeof (memory));
2511 if ((mem->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) &&
2512 (memory.addr + memory.length > maxmem)) {
2513 maxmem = memory.addr + memory.length;
2514 }
2515 mem_num++;
2516 break;
2517 }
2518 case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY: {
2519 ACPI_SRAT_X2APIC_CPU_AFFINITY *x2cpu =
2520 (ACPI_SRAT_X2APIC_CPU_AFFINITY *) item;
2521
2522 if (!(x2cpu->Flags & ACPI_SRAT_CPU_ENABLED))
2523 break;
2524 x2apic.domain = x2cpu->ProximityDomain;
2525 x2apic.x2apic_id = x2cpu->ApicId;
2526 (void) snprintf(prop_name, 30, "acpi-srat-processor-%d",
2527 proc_num);
2528 bsetprop(prop_name, strlen(prop_name), &x2apic,
2529 sizeof (x2apic));
2530 proc_num++;
2531 break;
2532 }
2533 default:
2534 if (kbm_debug)
2535 bop_printf(NULL, "SRAT type %d\n", item->Type);
2536 break;
2537 }
2538
2539 item = (ACPI_SUBTABLE_HEADER *)
2540 (item->Length + (uintptr_t)item);
2541 }
2542
2543 /*
2544 * The maximum physical address calculated from the SRAT table is more
2545 * accurate than that calculated from the MSCT table.
2546 */
2547 if (maxmem != 0) {
2548 plat_dr_physmax = btop(maxmem);
2549 }
2550 }
2551
2552 static void
2553 process_slit(ACPI_TABLE_SLIT *tp)
2554 {
2555
2556 /*
2557 * Check the number of localities; if it's too huge, we just
2558 * return and locality enumeration code will handle this later,
2559 * if possible.
2560 *
2561 * Note that the size of the table is the square of the
2562 * number of localities; if the number of localities exceeds
2563 * UINT16_MAX, the table size may overflow an int when being
2564 * passed to bsetprop() below.
2565 */
2566 if (tp->LocalityCount >= SLIT_LOCALITIES_MAX)
2567 return;
2568
2569 bsetprop(SLIT_NUM_PROPNAME, strlen(SLIT_NUM_PROPNAME),
2570 &tp->LocalityCount, sizeof (tp->LocalityCount));
2571 bsetprop(SLIT_PROPNAME, strlen(SLIT_PROPNAME), &tp->Entry,
2572 tp->LocalityCount * tp->LocalityCount);
2573 }
2574
2575 static ACPI_TABLE_MSCT *
2576 process_msct(ACPI_TABLE_MSCT *tp)
2577 {
2578 int last_seen = 0;
2579 int proc_num = 0;
2580 ACPI_MSCT_PROXIMITY *item, *end;
2581 extern uint64_t plat_dr_options;
2582
2583 ASSERT(tp != NULL);
2584
2585 end = (ACPI_MSCT_PROXIMITY *)(tp->Header.Length + (uintptr_t)tp);
2586 for (item = (void *)((uintptr_t)tp + tp->ProximityOffset);
2587 item < end;
2588 item = (void *)(item->Length + (uintptr_t)item)) {
2589 /*
2590 * Sanity check according to section 5.2.19.1 of ACPI 4.0.
2591 * Revision 1
2743 enumerate_xen_cpus();
2744 if (DOMAIN_IS_INITDOMAIN(xen_info))
2745 tp = find_fw_table(ACPI_SIG_MCFG);
2746 #endif /* __xpv */
2747 if (tp != NULL)
2748 process_mcfg((ACPI_TABLE_MCFG *)tp);
2749 }
2750
2751 /*
2752 * fake up a boot property for deferred early console output
2753 * this is used by both graphical boot and the (developer only)
2754 * USB serial console
2755 */
2756 void *
2757 defcons_init(size_t size)
2758 {
2759 static char *p = NULL;
2760
2761 p = do_bsys_alloc(NULL, NULL, size, MMU_PAGESIZE);
2762 *p = 0;
2763 bsetprop("deferred-console-buf", strlen("deferred-console-buf") + 1,
2764 &p, sizeof (p));
2765 return (p);
2766 }
2767
2768 /*ARGSUSED*/
2769 int
2770 boot_compinfo(int fd, struct compinfo *cbp)
2771 {
2772 cbp->iscmp = 0;
2773 cbp->blksize = MAXBSIZE;
2774 return (0);
2775 }
2776
2777 #define BP_MAX_STRLEN 32
2778
2779 /*
2780 * Get value for given boot property
2781 */
2782 int
2783 bootprop_getval(const char *prop_name, u_longlong_t *prop_value)
2784 {
|
33 * This file contains the functionality that mimics the boot operations
34 * on SPARC systems or the old boot.bin/multiboot programs on x86 systems.
35 * The x86 kernel now does everything on its own.
36 */
37
38 #include <sys/types.h>
39 #include <sys/bootconf.h>
40 #include <sys/bootsvcs.h>
41 #include <sys/bootinfo.h>
42 #include <sys/multiboot.h>
43 #include <sys/multiboot2.h>
44 #include <sys/multiboot2_impl.h>
45 #include <sys/bootvfs.h>
46 #include <sys/bootprops.h>
47 #include <sys/varargs.h>
48 #include <sys/param.h>
49 #include <sys/machparam.h>
50 #include <sys/machsystm.h>
51 #include <sys/archsystm.h>
52 #include <sys/boot_console.h>
53 #include <sys/framebuffer.h>
54 #include <sys/cmn_err.h>
55 #include <sys/systm.h>
56 #include <sys/promif.h>
57 #include <sys/archsystm.h>
58 #include <sys/x86_archext.h>
59 #include <sys/kobj.h>
60 #include <sys/privregs.h>
61 #include <sys/sysmacros.h>
62 #include <sys/ctype.h>
63 #include <sys/fastboot.h>
64 #ifdef __xpv
65 #include <sys/hypervisor.h>
66 #include <net/if.h>
67 #endif
68 #include <vm/kboot_mmu.h>
69 #include <vm/hat_pte.h>
70 #include <sys/kobj.h>
71 #include <sys/kobj_lex.h>
72 #include <sys/pci_cfgspace_impl.h>
73 #include <sys/fastboot_impl.h>
74 #include <sys/acpi/acconfig.h>
75 #include <sys/acpi/acpi.h>
76 #include <sys/ddipropdefs.h> /* For DDI prop types */
77
78 static int have_console = 0; /* set once primitive console is initialized */
79 static char *boot_args = "";
80
81 /*
82 * Debugging macros
83 */
84 static uint_t kbm_debug = 0;
85 #define DBG_MSG(s) { if (kbm_debug) bop_printf(NULL, "%s", s); }
86 #define DBG(x) { if (kbm_debug) \
87 bop_printf(NULL, "%s is %" PRIx64 "\n", #x, (uint64_t)(x)); \
88 }
89
90 #define PUT_STRING(s) { \
91 char *cp; \
92 for (cp = (s); *cp; ++cp) \
93 bcons_putchar(*cp); \
94 }
95
96 /* callback to boot_fb to set shadow frame buffer */
97 extern void boot_fb_shadow_init(bootops_t *);
98
99 bootops_t bootop; /* simple bootops we'll pass on to kernel */
100 struct bsys_mem bm;
101
102 /*
103 * Boot info from "glue" code in low memory. xbootp is used by:
104 * do_bop_phys_alloc(), do_bsys_alloc() and boot_prop_finish().
105 */
106 static struct xboot_info *xbootp;
107 static uintptr_t next_virt; /* next available virtual address */
108 static paddr_t next_phys; /* next available physical address from dboot */
109 static paddr_t high_phys = -(paddr_t)1; /* last used physical address */
110
111 /*
112 * buffer for vsnprintf for console I/O
113 */
114 #define BUFFERSIZE 512
115 static char buffer[BUFFERSIZE];
116
117 /*
118 * stuff to store/report/manipulate boot property settings.
119 */
120 typedef struct bootprop {
121 struct bootprop *bp_next;
122 char *bp_name;
123 int bp_flags; /* DDI prop type */
124 uint_t bp_vlen; /* 0 for boolean */
125 char *bp_value;
126 } bootprop_t;
127
128 static bootprop_t *bprops = NULL;
129 static char *curr_page = NULL; /* ptr to avail bprop memory */
130 static int curr_space = 0; /* amount of memory at curr_page */
131
132 #ifdef __xpv
133 start_info_t *xen_info;
134 shared_info_t *HYPERVISOR_shared_info;
135 #endif
136
137 /*
138 * some allocator statistics
139 */
140 static ulong_t total_bop_alloc_scratch = 0;
141 static ulong_t total_bop_alloc_kernel = 0;
142
143 static void build_firmware_properties(struct xboot_info *);
144
341 do_bsys_free(bootops_t *bop, caddr_t virt, size_t size)
342 {
343 bop_printf(NULL, "do_bsys_free(virt=0x%p, size=0x%lx) ignored\n",
344 (void *)virt, size);
345 }
346
347 /*
348 * Old interface
349 */
350 /*ARGSUSED*/
351 static caddr_t
352 do_bsys_ealloc(bootops_t *bop, caddr_t virthint, size_t size,
353 int align, int flags)
354 {
355 prom_panic("unsupported call to BOP_EALLOC()\n");
356 return (0);
357 }
358
359
360 static void
361 bsetprop(int flags, char *name, int nlen, void *value, int vlen)
362 {
363 uint_t size;
364 uint_t need_size;
365 bootprop_t *b;
366
367 /*
368 * align the size to 16 byte boundary
369 */
370 size = sizeof (bootprop_t) + nlen + 1 + vlen;
371 size = (size + 0xf) & ~0xf;
372 if (size > curr_space) {
373 need_size = (size + (MMU_PAGEOFFSET)) & MMU_PAGEMASK;
374 curr_page = do_bsys_alloc(NULL, 0, need_size, MMU_PAGESIZE);
375 curr_space = need_size;
376 }
377
378 /*
379 * use a bootprop_t at curr_page and link into list
380 */
381 b = (bootprop_t *)curr_page;
382 curr_page += sizeof (bootprop_t);
383 curr_space -= sizeof (bootprop_t);
384 b->bp_next = bprops;
385 bprops = b;
386
387 /*
388 * follow by name and ending zero byte
389 */
390 b->bp_name = curr_page;
391 bcopy(name, curr_page, nlen);
392 curr_page += nlen;
393 *curr_page++ = 0;
394 curr_space -= nlen + 1;
395
396 /*
397 * set the property type
398 */
399 b->bp_flags = flags & DDI_PROP_TYPE_MASK;
400
401 /*
402 * copy in value, but no ending zero byte
403 */
404 b->bp_value = curr_page;
405 b->bp_vlen = vlen;
406 if (vlen > 0) {
407 bcopy(value, curr_page, vlen);
408 curr_page += vlen;
409 curr_space -= vlen;
410 }
411
412 /*
413 * align new values of curr_page, curr_space
414 */
415 while (curr_space & 0xf) {
416 ++curr_page;
417 --curr_space;
418 }
419 }
420
421 static void
422 bsetprops(char *name, char *value)
423 {
424 bsetprop(DDI_PROP_TYPE_STRING, name, strlen(name),
425 value, strlen(value) + 1);
426 }
427
428 static void
429 bsetprop32(char *name, uint32_t value)
430 {
431 bsetprop(DDI_PROP_TYPE_INT, name, strlen(name),
432 (void *)&value, sizeof (value));
433 }
434
435 static void
436 bsetprop64(char *name, uint64_t value)
437 {
438 bsetprop(DDI_PROP_TYPE_INT64, name, strlen(name),
439 (void *)&value, sizeof (value));
440 }
441
442 static void
443 bsetpropsi(char *name, int value)
444 {
445 char prop_val[32];
446
447 (void) snprintf(prop_val, sizeof (prop_val), "%d", value);
448 bsetprops(name, prop_val);
449 }
450
451 /*
452 * to find the type of the value associated with this name
453 */
454 /*ARGSUSED*/
455 int
456 do_bsys_getproptype(bootops_t *bop, const char *name)
457 {
458 bootprop_t *b;
459
460 for (b = bprops; b; b = b->bp_next) {
461 if (strcmp(name, b->bp_name) != 0)
462 continue;
463 return (b->bp_flags);
464 }
465 return (-1);
466 }
467
468 /*
469 * to find the size of the buffer to allocate
470 */
471 /*ARGSUSED*/
472 int
473 do_bsys_getproplen(bootops_t *bop, const char *name)
474 {
475 bootprop_t *b;
476
477 for (b = bprops; b; b = b->bp_next) {
478 if (strcmp(name, b->bp_name) != 0)
479 continue;
480 return (b->bp_vlen);
481 }
482 return (-1);
483 }
484
485 /*
486 * get the value associated with this name
487 */
488 /*ARGSUSED*/
588
589 for (i = 0; i < size; i++) {
590 if (value[i] == '\0')
591 return (i != (size - 1));
592
593 if (!isprint(value[i]))
594 return (B_TRUE);
595 }
596 return (B_FALSE);
597 }
598
599 /*
600 * Print out information about all boot properties.
601 * buffer is pointer to pre-allocated space to be used as temporary
602 * space for property values.
603 */
604 static void
605 boot_prop_display(char *buffer)
606 {
607 char *name = "";
608 int i, len, flags, *buf32;
609 uint64_t *buf64;
610
611 bop_printf(NULL, "\nBoot properties:\n");
612
613 while ((name = do_bsys_nextprop(NULL, name)) != NULL) {
614 bop_printf(NULL, "\t0x%p %s = ", (void *)name, name);
615 (void) do_bsys_getprop(NULL, name, buffer);
616 len = do_bsys_getproplen(NULL, name);
617 flags = do_bsys_getproptype(NULL, name);
618 bop_printf(NULL, "len=%d ", len);
619
620 switch (flags) {
621 case DDI_PROP_TYPE_INT:
622 len = len / sizeof (int);
623 buf32 = (int *)buffer;
624 for (i = 0; i < len; i++) {
625 bop_printf(NULL, "%08x", buf32[i]);
626 if (i < len - 1)
627 bop_printf(NULL, ".");
628 }
629 break;
630 case DDI_PROP_TYPE_STRING:
631 bop_printf(NULL, buffer);
632 break;
633 case DDI_PROP_TYPE_INT64:
634 len = len / sizeof (uint64_t);
635 buf64 = (uint64_t *)buffer;
636 for (i = 0; i < len; i++) {
637 bop_printf(NULL, "%016" PRIx64, buf64[i]);
638 if (i < len - 1)
639 bop_printf(NULL, ".");
640 }
641 break;
642 default:
643 if (!unprintable(buffer, len)) {
644 buffer[len] = 0;
645 bop_printf(NULL, "%s", buffer);
646 break;
647 }
648 for (i = 0; i < len; i++) {
649 bop_printf(NULL, "%02x", buffer[i] & 0xff);
650 if (i < len - 1)
651 bop_printf(NULL, ".");
652 }
653 break;
654 }
655 bop_printf(NULL, "\n");
656 }
657 }
658
659 /*
660 * 2nd part of building the table of boot properties. This includes:
661 * - values from /boot/solaris/bootenv.rc (ie. eeprom(1m) values)
662 *
663 * lines look like one of:
664 * ^$
665 * ^# comment till end of line
666 * setprop name 'value'
667 * setprop name value
668 * setprop name "value"
669 *
670 * we do single character I/O since this is really just looking at memory
671 */
672 void
673 boot_prop_finish(void)
674 {
762 }
763 name[n_len] = 0;
764 if (v_len > 0)
765 value[v_len] = 0;
766 else
767 continue;
768
769 /*
770 * ignore "boot-file" property, it's now meaningless
771 */
772 if (strcmp(name, "boot-file") == 0)
773 continue;
774 if (strcmp(name, "boot-args") == 0 &&
775 strlen(boot_args) > 0)
776 continue;
777
778 /*
779 * If a property was explicitly set on the command line
780 * it will override a setting in bootenv.rc
781 */
782 if (do_bsys_getproplen(NULL, name) >= 0)
783 continue;
784
785 bsetprops(name, value);
786 }
787 done:
788 if (fd >= 0)
789 (void) BRD_CLOSE(bfs_ops, fd);
790
791 /*
792 * Check if we have to limit the boot time allocator
793 */
794 if (do_bsys_getproplen(NULL, "physmem") != -1 &&
795 do_bsys_getprop(NULL, "physmem", line) >= 0 &&
796 parse_value(line, &lvalue) != -1) {
797 if (0 < lvalue && (lvalue < physmem || physmem == 0)) {
798 physmem = (pgcnt_t)lvalue;
799 DBG(physmem);
800 }
801 }
802 early_allocation = 0;
803
804 /*
805 * check to see if we have to override the default value of the console
1039
1040 DBG_MSG("VBD bootpath set to ");
1041 DBG_MSG(vbdpath);
1042 DBG_MSG("\n");
1043 }
1044
1045 /*
1046 * parse the xpv-nfsroot property to create properties used by
1047 * nfs_mountroot.
1048 */
1049 static void
1050 xen_nfsroot_props(char *s)
1051 {
1052 char *prop_map[] = {
1053 BP_SERVER_IP, /* server IP address */
1054 BP_SERVER_NAME, /* server hostname */
1055 BP_SERVER_PATH, /* root path */
1056 };
1057 int n_prop = sizeof (prop_map) / sizeof (prop_map[0]);
1058
1059 bsetprops("fstype", "nfs");
1060
1061 xen_parse_props(s, prop_map, n_prop);
1062
1063 /*
1064 * If a server name wasn't specified, use a default.
1065 */
1066 if (do_bsys_getproplen(NULL, BP_SERVER_NAME) == -1)
1067 bsetprops(BP_SERVER_NAME, "unknown");
1068 }
1069
1070 /*
1071 * Extract our IP address, etc. from the "xpv-ip" property.
1072 */
1073 static void
1074 xen_ip_props(char *s)
1075 {
1076 char *prop_map[] = {
1077 BP_HOST_IP, /* IP address */
1078 NULL, /* NFS server IP address (ignored in */
1079 /* favour of xpv-nfsroot) */
1405 #ifndef __xpv
1406 static int stdout_val = 0;
1407 uchar_t boot_device;
1408 char str[3];
1409 #endif
1410
1411 /*
1412 * These have to be done first, so that kobj_mount_root() works
1413 */
1414 DBG_MSG("Building boot properties\n");
1415 propbuf = do_bsys_alloc(NULL, NULL, MMU_PAGESIZE, 0);
1416 DBG((uintptr_t)propbuf);
1417 if (xbp->bi_module_cnt > 0) {
1418 bm = xbp->bi_modules;
1419 rdbm = NULL;
1420 for (midx = i = 0; i < xbp->bi_module_cnt; i++) {
1421 if (bm[i].bm_type == BMT_ROOTFS) {
1422 rdbm = &bm[i];
1423 continue;
1424 }
1425 if (bm[i].bm_type == BMT_HASH ||
1426 bm[i].bm_type == BMT_FONT ||
1427 bm[i].bm_name == NULL)
1428 continue;
1429
1430 if (bm[i].bm_type == BMT_ENV) {
1431 if (benv == NULL)
1432 benv = &bm[i];
1433 else
1434 continue;
1435 }
1436
1437 (void) snprintf(modid, sizeof (modid),
1438 "module-name-%u", midx);
1439 bsetprops(modid, (char *)bm[i].bm_name);
1440 (void) snprintf(modid, sizeof (modid),
1441 "module-addr-%u", midx);
1442 bsetprop64(modid, (uint64_t)(uintptr_t)bm[i].bm_addr);
1443 (void) snprintf(modid, sizeof (modid),
1444 "module-size-%u", midx);
1445 bsetprop64(modid, (uint64_t)bm[i].bm_size);
1446 ++midx;
1447 }
1622
1623 /*
1624 * In the quote accept any character,
1625 * but look for ending quote.
1626 */
1627 if (quoted) {
1628 if (value[value_len] == quoted)
1629 quoted = 0;
1630 continue;
1631 }
1632
1633 /*
1634 * a comma or white space ends the value
1635 */
1636 if (value[value_len] == ',' ||
1637 ISSPACE(value[value_len]))
1638 break;
1639 }
1640
1641 if (value_len == 0) {
1642 bsetprop(DDI_PROP_TYPE_ANY, name, name_len,
1643 NULL, 0);
1644 } else {
1645 char *v = value;
1646 int l = value_len;
1647 if (v[0] == v[l - 1] &&
1648 (v[0] == '\'' || v[0] == '"')) {
1649 ++v;
1650 l -= 2;
1651 }
1652 bcopy(v, propbuf, l);
1653 propbuf[l] = '\0';
1654 bsetprop(DDI_PROP_TYPE_STRING, name, name_len,
1655 propbuf, l + 1);
1656 }
1657 name = value + value_len;
1658 while (*name == ',')
1659 ++name;
1660 }
1661 }
1662
1663 /*
1664 * set boot-args property
1665 * 1275 name is bootargs, so set
1666 * that too
1667 */
1668 bsetprops("boot-args", boot_args);
1669 bsetprops("bootargs", boot_args);
1670
1671 process_boot_environment(benv);
1672
1673 #ifndef __xpv
1674 /*
1675 * Build boot command line for Fast Reboot
1694 if (mbi != NULL && mbi->flags & MB_INFO_BOOTDEV) {
1695 boot_device = mbi->boot_device >> 24;
1696 if (boot_device == 0x20)
1697 netboot++;
1698 str[0] = (boot_device >> 4) + '0';
1699 str[1] = (boot_device & 0xf) + '0';
1700 str[2] = 0;
1701 bsetprops("bios-boot-device", str);
1702 } else {
1703 netboot = 1;
1704 }
1705
1706 /*
1707 * In the netboot case, drives_info is overloaded with the
1708 * dhcp ack. This is not multiboot compliant and requires
1709 * special pxegrub!
1710 */
1711 if (netboot && mbi->drives_length != 0) {
1712 sip = (struct sol_netinfo *)(uintptr_t)mbi->drives_addr;
1713 if (sip->sn_infotype == SN_TYPE_BOOTP)
1714 bsetprop(DDI_PROP_TYPE_BYTE,
1715 "bootp-response",
1716 sizeof ("bootp-response"),
1717 (void *)(uintptr_t)mbi->drives_addr,
1718 mbi->drives_length);
1719 else if (sip->sn_infotype == SN_TYPE_RARP)
1720 setup_rarp_props(sip);
1721 }
1722 } else {
1723 multiboot2_info_header_t *mbi = xbp->bi_mb_info;
1724 multiboot_tag_bootdev_t *bootdev = NULL;
1725 multiboot_tag_network_t *netdev = NULL;
1726
1727 if (mbi != NULL) {
1728 bootdev = dboot_multiboot2_find_tag(mbi,
1729 MULTIBOOT_TAG_TYPE_BOOTDEV);
1730 netdev = dboot_multiboot2_find_tag(mbi,
1731 MULTIBOOT_TAG_TYPE_NETWORK);
1732 }
1733 if (bootdev != NULL) {
1734 DBG(bootdev->mb_biosdev);
1735 boot_device = bootdev->mb_biosdev;
1736 str[0] = (boot_device >> 4) + '0';
1737 str[1] = (boot_device & 0xf) + '0';
1738 str[2] = 0;
1739 bsetprops("bios-boot-device", str);
1740 }
1741 if (netdev != NULL) {
1742 bsetprop(DDI_PROP_TYPE_BYTE,
1743 "bootp-response", sizeof ("bootp-response"),
1744 (void *)(uintptr_t)netdev->mb_dhcpack,
1745 netdev->mb_size -
1746 sizeof (multiboot_tag_network_t));
1747 }
1748 }
1749
1750 bsetprop32("stdout", stdout_val);
1751 #endif /* __xpv */
1752
1753 /*
1754 * more conjured up values for made up things....
1755 */
1756 #if defined(__xpv)
1757 bsetprops("mfg-name", "i86xpv");
1758 bsetprops("impl-arch-name", "i86xpv");
1759 #else
1760 bsetprops("mfg-name", "i86pc");
1761 bsetprops("impl-arch-name", "i86pc");
1762 #endif
1763
1764 /*
1765 * Build firmware-provided system properties
1766 */
1767 build_firmware_properties(xbp);
1768
1769 /*
1770 * XXPV
2081 bops->bsys_ealloc = do_bsys_ealloc;
2082
2083 #ifdef __xpv
2084 /*
2085 * On domain 0 we need to free up some physical memory that is
2086 * usable for DMA. Since GRUB loaded the boot_archive, it is
2087 * sitting in low MFN memory. We'll relocated the boot archive
2088 * pages to high PFN memory.
2089 */
2090 if (DOMAIN_IS_INITDOMAIN(xen_info))
2091 relocate_boot_archive(xbp);
2092 #endif
2093
2094 #ifndef __xpv
2095 /*
2096 * Install an IDT to catch early pagefaults (shouldn't have any).
2097 * Also needed for kmdb.
2098 */
2099 bop_idt_init();
2100 #endif
2101 /* Set up the shadow fb for framebuffer console */
2102 boot_fb_shadow_init(bops);
2103
2104 /*
2105 * Start building the boot properties from the command line
2106 */
2107 DBG_MSG("Initializing boot properties:\n");
2108 build_boot_properties(xbp);
2109
2110 if (find_boot_prop("prom_debug") || kbm_debug) {
2111 char *value;
2112
2113 value = do_bsys_alloc(NULL, NULL, MMU_PAGESIZE, MMU_PAGESIZE);
2114 boot_prop_display(value);
2115 }
2116
2117 /*
2118 * jump into krtld...
2119 */
2120 _kobj_boot(&bop_sysp, NULL, bops, NULL);
2121 }
2122
2362 }
2363 }
2364 return (NULL);
2365 }
2366
2367 static void
2368 process_mcfg(ACPI_TABLE_MCFG *tp)
2369 {
2370 ACPI_MCFG_ALLOCATION *cfg_baap;
2371 char *cfg_baa_endp;
2372 int64_t ecfginfo[4];
2373
2374 cfg_baap = (ACPI_MCFG_ALLOCATION *)((uintptr_t)tp + sizeof (*tp));
2375 cfg_baa_endp = ((char *)tp) + tp->Header.Length;
2376 while ((char *)cfg_baap < cfg_baa_endp) {
2377 if (cfg_baap->Address != 0 && cfg_baap->PciSegment == 0) {
2378 ecfginfo[0] = cfg_baap->Address;
2379 ecfginfo[1] = cfg_baap->PciSegment;
2380 ecfginfo[2] = cfg_baap->StartBusNumber;
2381 ecfginfo[3] = cfg_baap->EndBusNumber;
2382 bsetprop(DDI_PROP_TYPE_INT64,
2383 MCFG_PROPNAME, strlen(MCFG_PROPNAME),
2384 ecfginfo, sizeof (ecfginfo));
2385 break;
2386 }
2387 cfg_baap++;
2388 }
2389 }
2390
2391 #ifndef __xpv
2392 static void
2393 process_madt_entries(ACPI_TABLE_MADT *tp, uint32_t *cpu_countp,
2394 uint32_t *cpu_possible_countp, uint32_t *cpu_apicid_array)
2395 {
2396 ACPI_SUBTABLE_HEADER *item, *end;
2397 uint32_t cpu_count = 0;
2398 uint32_t cpu_possible_count = 0;
2399
2400 /*
2401 * Determine number of CPUs and keep track of "final" APIC ID
2402 * for each CPU by walking through ACPI MADT processor list
2403 */
2451 uint32_t cpu_count = 0;
2452 uint32_t cpu_possible_count = 0;
2453 uint32_t *cpu_apicid_array; /* x2APIC ID is 32bit! */
2454
2455 if (tp != NULL) {
2456 /* count cpu's */
2457 process_madt_entries(tp, &cpu_count, &cpu_possible_count, NULL);
2458
2459 cpu_apicid_array = (uint32_t *)do_bsys_alloc(NULL, NULL,
2460 cpu_count * sizeof (*cpu_apicid_array), MMU_PAGESIZE);
2461 if (cpu_apicid_array == NULL)
2462 bop_panic("Not enough memory for APIC ID array");
2463
2464 /* copy IDs */
2465 process_madt_entries(tp, NULL, NULL, cpu_apicid_array);
2466
2467 /*
2468 * Make boot property for array of "final" APIC IDs for each
2469 * CPU
2470 */
2471 bsetprop(DDI_PROP_TYPE_INT,
2472 BP_CPU_APICID_ARRAY, strlen(BP_CPU_APICID_ARRAY),
2473 cpu_apicid_array, cpu_count * sizeof (*cpu_apicid_array));
2474 }
2475
2476 /*
2477 * Check whether property plat-max-ncpus is already set.
2478 */
2479 if (do_bsys_getproplen(NULL, PLAT_MAX_NCPUS_NAME) < 0) {
2480 /*
2481 * Set plat-max-ncpus to number of maximum possible CPUs given
2482 * in MADT if it hasn't been set.
2483 * There's no formal way to detect max possible CPUs supported
2484 * by platform according to ACPI spec3.0b. So current CPU
2485 * hotplug implementation expects that all possible CPUs will
2486 * have an entry in MADT table and set plat-max-ncpus to number
2487 * of entries in MADT.
2488 * With introducing of ACPI4.0, Maximum System Capability Table
2489 * (MSCT) provides maximum number of CPUs supported by platform.
2490 * If MSCT is unavailable, fall back to old way.
2491 */
2492 if (tp != NULL)
2545
2546 proc_num = mem_num = 0;
2547 end = (ACPI_SUBTABLE_HEADER *)(tp->Header.Length + (uintptr_t)tp);
2548 item = (ACPI_SUBTABLE_HEADER *)((uintptr_t)tp + sizeof (*tp));
2549 while (item < end) {
2550 switch (item->Type) {
2551 case ACPI_SRAT_TYPE_CPU_AFFINITY: {
2552 ACPI_SRAT_CPU_AFFINITY *cpu =
2553 (ACPI_SRAT_CPU_AFFINITY *) item;
2554
2555 if (!(cpu->Flags & ACPI_SRAT_CPU_ENABLED))
2556 break;
2557 processor.domain = cpu->ProximityDomainLo;
2558 for (i = 0; i < 3; i++)
2559 processor.domain +=
2560 cpu->ProximityDomainHi[i] << ((i + 1) * 8);
2561 processor.apic_id = cpu->ApicId;
2562 processor.sapic_id = cpu->LocalSapicEid;
2563 (void) snprintf(prop_name, 30, "acpi-srat-processor-%d",
2564 proc_num);
2565 bsetprop(DDI_PROP_TYPE_INT,
2566 prop_name, strlen(prop_name), &processor,
2567 sizeof (processor));
2568 proc_num++;
2569 break;
2570 }
2571 case ACPI_SRAT_TYPE_MEMORY_AFFINITY: {
2572 ACPI_SRAT_MEM_AFFINITY *mem =
2573 (ACPI_SRAT_MEM_AFFINITY *)item;
2574
2575 if (!(mem->Flags & ACPI_SRAT_MEM_ENABLED))
2576 break;
2577 memory.domain = mem->ProximityDomain;
2578 memory.addr = mem->BaseAddress;
2579 memory.length = mem->Length;
2580 memory.flags = mem->Flags;
2581 (void) snprintf(prop_name, 30, "acpi-srat-memory-%d",
2582 mem_num);
2583 bsetprop(DDI_PROP_TYPE_INT,
2584 prop_name, strlen(prop_name), &memory,
2585 sizeof (memory));
2586 if ((mem->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) &&
2587 (memory.addr + memory.length > maxmem)) {
2588 maxmem = memory.addr + memory.length;
2589 }
2590 mem_num++;
2591 break;
2592 }
2593 case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY: {
2594 ACPI_SRAT_X2APIC_CPU_AFFINITY *x2cpu =
2595 (ACPI_SRAT_X2APIC_CPU_AFFINITY *) item;
2596
2597 if (!(x2cpu->Flags & ACPI_SRAT_CPU_ENABLED))
2598 break;
2599 x2apic.domain = x2cpu->ProximityDomain;
2600 x2apic.x2apic_id = x2cpu->ApicId;
2601 (void) snprintf(prop_name, 30, "acpi-srat-processor-%d",
2602 proc_num);
2603 bsetprop(DDI_PROP_TYPE_INT,
2604 prop_name, strlen(prop_name), &x2apic,
2605 sizeof (x2apic));
2606 proc_num++;
2607 break;
2608 }
2609 default:
2610 if (kbm_debug)
2611 bop_printf(NULL, "SRAT type %d\n", item->Type);
2612 break;
2613 }
2614
2615 item = (ACPI_SUBTABLE_HEADER *)
2616 (item->Length + (uintptr_t)item);
2617 }
2618
2619 /*
2620 * The maximum physical address calculated from the SRAT table is more
2621 * accurate than that calculated from the MSCT table.
2622 */
2623 if (maxmem != 0) {
2624 plat_dr_physmax = btop(maxmem);
2625 }
2626 }
2627
2628 static void
2629 process_slit(ACPI_TABLE_SLIT *tp)
2630 {
2631
2632 /*
2633 * Check the number of localities; if it's too huge, we just
2634 * return and locality enumeration code will handle this later,
2635 * if possible.
2636 *
2637 * Note that the size of the table is the square of the
2638 * number of localities; if the number of localities exceeds
2639 * UINT16_MAX, the table size may overflow an int when being
2640 * passed to bsetprop() below.
2641 */
2642 if (tp->LocalityCount >= SLIT_LOCALITIES_MAX)
2643 return;
2644
2645 bsetprop64(SLIT_NUM_PROPNAME, tp->LocalityCount);
2646 bsetprop(DDI_PROP_TYPE_BYTE,
2647 SLIT_PROPNAME, strlen(SLIT_PROPNAME), &tp->Entry,
2648 tp->LocalityCount * tp->LocalityCount);
2649 }
2650
2651 static ACPI_TABLE_MSCT *
2652 process_msct(ACPI_TABLE_MSCT *tp)
2653 {
2654 int last_seen = 0;
2655 int proc_num = 0;
2656 ACPI_MSCT_PROXIMITY *item, *end;
2657 extern uint64_t plat_dr_options;
2658
2659 ASSERT(tp != NULL);
2660
2661 end = (ACPI_MSCT_PROXIMITY *)(tp->Header.Length + (uintptr_t)tp);
2662 for (item = (void *)((uintptr_t)tp + tp->ProximityOffset);
2663 item < end;
2664 item = (void *)(item->Length + (uintptr_t)item)) {
2665 /*
2666 * Sanity check according to section 5.2.19.1 of ACPI 4.0.
2667 * Revision 1
2819 enumerate_xen_cpus();
2820 if (DOMAIN_IS_INITDOMAIN(xen_info))
2821 tp = find_fw_table(ACPI_SIG_MCFG);
2822 #endif /* __xpv */
2823 if (tp != NULL)
2824 process_mcfg((ACPI_TABLE_MCFG *)tp);
2825 }
2826
2827 /*
2828 * fake up a boot property for deferred early console output
2829 * this is used by both graphical boot and the (developer only)
2830 * USB serial console
2831 */
2832 void *
2833 defcons_init(size_t size)
2834 {
2835 static char *p = NULL;
2836
2837 p = do_bsys_alloc(NULL, NULL, size, MMU_PAGESIZE);
2838 *p = 0;
2839 bsetprop32("deferred-console-buf", (uint32_t)((uintptr_t)&p));
2840 return (p);
2841 }
2842
2843 /*ARGSUSED*/
2844 int
2845 boot_compinfo(int fd, struct compinfo *cbp)
2846 {
2847 cbp->iscmp = 0;
2848 cbp->blksize = MAXBSIZE;
2849 return (0);
2850 }
2851
2852 #define BP_MAX_STRLEN 32
2853
2854 /*
2855 * Get value for given boot property
2856 */
2857 int
2858 bootprop_getval(const char *prop_name, u_longlong_t *prop_value)
2859 {
|