main.c revision 238851
1139738Simp/*- 284996Srobert * Initial implementation: 384996Srobert * Copyright (c) 2001 Robert Drehmel 484996Srobert * All rights reserved. 584996Srobert * 684996Srobert * As long as the above copyright statement and this notice remain 7181398Smarius * unchanged, you can do what ever you want with this file. 884996Srobert */ 9182916Smarius/*- 10238851Smarius * Copyright (c) 2008 - 2012 Marius Strobl <marius@FreeBSD.org> 11182916Smarius * All rights reserved. 12182916Smarius * 13182916Smarius * Redistribution and use in source and binary forms, with or without 14182916Smarius * modification, are permitted provided that the following conditions 15182916Smarius * are met: 16182916Smarius * 1. Redistributions of source code must retain the above copyright 17182916Smarius * notice, this list of conditions and the following disclaimer. 18182916Smarius * 2. Redistributions in binary form must reproduce the above copyright 19182916Smarius * notice, this list of conditions and the following disclaimer in the 20182916Smarius * documentation and/or other materials provided with the distribution. 21182916Smarius * 22182916Smarius * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23182916Smarius * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24182916Smarius * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25182916Smarius * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26182916Smarius * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27182916Smarius * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28182916Smarius * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29182916Smarius * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30182916Smarius * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31182916Smarius * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32182916Smarius * SUCH DAMAGE. 33182916Smarius */ 34124139Sobrien 35124139Sobrien#include <sys/cdefs.h> 36124139Sobrien__FBSDID("$FreeBSD: head/sys/boot/sparc64/loader/main.c 238851 2012-07-27 18:23:11Z marius $"); 37182020Smarius 3884996Srobert/* 3984996Srobert * FreeBSD/sparc64 kernel loader - machine dependent part 4084996Srobert * 4184996Srobert * - implements copyin and readin functions that map kernel 4284996Srobert * pages on demand. The machine independent code does not 4384996Srobert * know the size of the kernel early enough to pre-enter 4484996Srobert * TTEs and install just one 4MB mapping seemed to limiting 4584996Srobert * to me. 4684996Srobert */ 4791139Sjake 4884996Srobert#include <stand.h> 49203829Smarius#include <sys/param.h> 5084996Srobert#include <sys/exec.h> 51203829Smarius#include <sys/linker.h> 52102219Srobert#include <sys/queue.h> 53163145Skmacy#include <sys/types.h> 54234898Smarius#ifdef LOADER_ZFS_SUPPORT 55234898Smarius#include <sys/vtoc.h> 56235364Savg#include "../zfs/libzfs.h" 57234898Smarius#endif 5884996Srobert 59163145Skmacy#include <vm/vm.h> 6084996Srobert#include <machine/asi.h> 61203829Smarius#include <machine/cmt.h> 6291139Sjake#include <machine/cpufunc.h> 6384996Srobert#include <machine/elf.h> 64203829Smarius#include <machine/fireplane.h> 65203829Smarius#include <machine/jbus.h> 6691110Sjake#include <machine/lsu.h> 6791110Sjake#include <machine/metadata.h> 6884996Srobert#include <machine/tte.h> 69181398Smarius#include <machine/tlb.h> 7091139Sjake#include <machine/upa.h> 71182478Smarius#include <machine/ver.h> 72182877Smarius#include <machine/vmparam.h> 7384996Srobert 7484996Srobert#include "bootstrap.h" 7584996Srobert#include "libofw.h" 7685719Sjake#include "dev_net.h" 7784996Srobert 78170839Smariusextern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[]; 79170839Smarius 8084996Srobertenum { 8184996Srobert HEAPVA = 0x800000, 8284996Srobert HEAPSZ = 0x1000000, 8384996Srobert LOADSZ = 0x1000000 /* for kernel and modules */ 8484996Srobert}; 8584996Srobert 86203829Smarius/* At least Sun Fire V1280 require page sized allocations to be claimed. */ 87203829SmariusCTASSERT(HEAPSZ % PAGE_SIZE == 0); 88203829Smarius 89170839Smariusstatic struct mmu_ops { 90163145Skmacy void (*tlb_init)(void); 91163145Skmacy int (*mmu_mapin)(vm_offset_t va, vm_size_t len); 92163145Skmacy} *mmu_ops; 93163145Skmacy 9485719Sjaketypedef void kernel_entry_t(vm_offset_t mdp, u_long o1, u_long o2, u_long o3, 95170839Smarius void *openfirmware); 9685719Sjake 97223719Smariusstatic inline u_long dtlb_get_data_sun4u(u_int, u_int); 98203830Smariusstatic int dtlb_enter_sun4u(u_int, u_long data, vm_offset_t); 99181398Smariusstatic vm_offset_t dtlb_va_to_pa_sun4u(vm_offset_t); 100223719Smariusstatic inline u_long itlb_get_data_sun4u(u_int, u_int); 101203830Smariusstatic int itlb_enter_sun4u(u_int, u_long data, vm_offset_t); 102181398Smariusstatic vm_offset_t itlb_va_to_pa_sun4u(vm_offset_t); 103182916Smariusstatic void itlb_relocate_locked0_sun4u(void); 10485719Sjakeextern vm_offset_t md_load(char *, vm_offset_t *); 105170839Smariusstatic int sparc64_autoload(void); 106170839Smariusstatic ssize_t sparc64_readin(const int, vm_offset_t, const size_t); 107170839Smariusstatic ssize_t sparc64_copyin(const void *, vm_offset_t, size_t); 108170854Smariusstatic vm_offset_t claim_virt(vm_offset_t, size_t, int); 109170854Smariusstatic vm_offset_t alloc_phys(size_t, int); 110170854Smariusstatic int map_phys(int, size_t, vm_offset_t, vm_offset_t); 111170854Smariusstatic void release_phys(vm_offset_t, u_int); 112114386Speterstatic int __elfN(exec)(struct preloaded_file *); 113163145Skmacystatic int mmu_mapin_sun4u(vm_offset_t, vm_size_t); 114170839Smariusstatic vm_offset_t init_heap(void); 115203829Smariusstatic phandle_t find_bsp_sun4u(phandle_t, uint32_t); 116203829Smariusconst char *cpu_cpuid_prop_sun4u(void); 117203829Smariusuint32_t cpu_get_mid_sun4u(void); 118163145Skmacystatic void tlb_init_sun4u(void); 11984996Srobert 120181398Smarius#ifdef LOADER_DEBUG 121181398Smariustypedef u_int64_t tte_t; 122181398Smarius 123181398Smariusstatic void pmap_print_tlb_sun4u(void); 124181398Smariusstatic void pmap_print_tte_sun4u(tte_t, tte_t); 125181398Smarius#endif 126181398Smarius 127170839Smariusstatic struct mmu_ops mmu_ops_sun4u = { tlb_init_sun4u, mmu_mapin_sun4u }; 128163145Skmacy 129163145Skmacy/* sun4u */ 13097445Sjakestruct tlb_entry *dtlb_store; 13197445Sjakestruct tlb_entry *itlb_store; 132203829Smariusu_int dtlb_slot; 133203829Smariusu_int itlb_slot; 134204152Smariusstatic int cpu_impl; 135203829Smariusstatic u_int dtlb_slot_max; 136203829Smariusstatic u_int itlb_slot_max; 137223719Smariusstatic u_int tlb_locked; 13891139Sjake 139170839Smariusstatic vm_offset_t curkva = 0; 140170839Smariusstatic vm_offset_t heapva; 141163145Skmacy 142236581Smariusstatic char bootpath[64]; 143170854Smariusstatic phandle_t root; 14484996Srobert 14584996Srobert/* 14684996Srobert * Machine dependent structures that the machine independent 14784996Srobert * loader part uses. 14884996Srobert */ 14984996Srobertstruct devsw *devsw[] = { 15085719Sjake#ifdef LOADER_DISK_SUPPORT 15184996Srobert &ofwdisk, 15285719Sjake#endif 15385719Sjake#ifdef LOADER_NET_SUPPORT 15485719Sjake &netdev, 15585719Sjake#endif 156234898Smarius#ifdef LOADER_ZFS_SUPPORT 157235364Savg &zfs_dev, 158234898Smarius#endif 15984996Srobert 0 16084996Srobert}; 16184996Srobertstruct arch_switch archsw; 16284996Srobert 163170839Smariusstatic struct file_format sparc64_elf = { 164114386Speter __elfN(loadfile), 165114386Speter __elfN(exec) 16684996Srobert}; 16784996Srobertstruct file_format *file_formats[] = { 16884996Srobert &sparc64_elf, 16984996Srobert 0 17084996Srobert}; 171234898Smarius 17284996Srobertstruct fs_ops *file_system[] = { 17391110Sjake#ifdef LOADER_UFS_SUPPORT 17484996Srobert &ufs_fsops, 17585719Sjake#endif 17693606Stmm#ifdef LOADER_CD9660_SUPPORT 17793606Stmm &cd9660_fsops, 17893606Stmm#endif 179234898Smarius#ifdef LOADER_ZFS_SUPPORT 180234898Smarius &zfs_fsops, 181234898Smarius#endif 182108100Sjake#ifdef LOADER_ZIP_SUPPORT 183105065Sjake &zipfs_fsops, 184105065Sjake#endif 185108100Sjake#ifdef LOADER_GZIP_SUPPORT 186108100Sjake &gzipfs_fsops, 187108100Sjake#endif 188105065Sjake#ifdef LOADER_BZIP2_SUPPORT 189105065Sjake &bzipfs_fsops, 190105065Sjake#endif 191117448Stmm#ifdef LOADER_NFS_SUPPORT 19285719Sjake &nfs_fsops, 19385719Sjake#endif 19491110Sjake#ifdef LOADER_TFTP_SUPPORT 19591110Sjake &tftp_fsops, 19691110Sjake#endif 19784996Srobert 0 19884996Srobert}; 19985719Sjakestruct netif_driver *netif_drivers[] = { 20085719Sjake#ifdef LOADER_NET_SUPPORT 20185719Sjake &ofwnet, 20285719Sjake#endif 20385719Sjake 0 20485719Sjake}; 20584996Srobert 20684996Srobertextern struct console ofwconsole; 20784996Srobertstruct console *consoles[] = { 20884996Srobert &ofwconsole, 20984996Srobert 0 21084996Srobert}; 21184996Srobert 21291110Sjake#ifdef LOADER_DEBUG 21391110Sjakestatic int 21491110Sjakewatch_phys_set_mask(vm_offset_t pa, u_long mask) 21591110Sjake{ 21691110Sjake u_long lsucr; 21791110Sjake 21891110Sjake stxa(AA_DMMU_PWPR, ASI_DMMU, pa & (((2UL << 38) - 1) << 3)); 21991110Sjake lsucr = ldxa(0, ASI_LSU_CTL_REG); 22091110Sjake lsucr = ((lsucr | LSU_PW) & ~LSU_PM_MASK) | 22191110Sjake (mask << LSU_PM_SHIFT); 22291110Sjake stxa(0, ASI_LSU_CTL_REG, lsucr); 22391110Sjake return (0); 22491110Sjake} 22591110Sjake 22691110Sjakestatic int 22791110Sjakewatch_phys_set(vm_offset_t pa, int sz) 22891110Sjake{ 22991110Sjake u_long off; 23091110Sjake 23191110Sjake off = (u_long)pa & 7; 23291110Sjake /* Test for misaligned watch points. */ 23391110Sjake if (off + sz > 8) 23491110Sjake return (-1); 23591110Sjake return (watch_phys_set_mask(pa, ((1 << sz) - 1) << off)); 23691110Sjake} 23791110Sjake 23891110Sjake 23991110Sjakestatic int 24091110Sjakewatch_virt_set_mask(vm_offset_t va, u_long mask) 24191110Sjake{ 24291110Sjake u_long lsucr; 24391110Sjake 24491110Sjake stxa(AA_DMMU_VWPR, ASI_DMMU, va & (((2UL << 41) - 1) << 3)); 24591110Sjake lsucr = ldxa(0, ASI_LSU_CTL_REG); 24691110Sjake lsucr = ((lsucr | LSU_VW) & ~LSU_VM_MASK) | 24791110Sjake (mask << LSU_VM_SHIFT); 24891110Sjake stxa(0, ASI_LSU_CTL_REG, lsucr); 24991110Sjake return (0); 25091110Sjake} 25191110Sjake 25291110Sjakestatic int 25391110Sjakewatch_virt_set(vm_offset_t va, int sz) 25491110Sjake{ 25591110Sjake u_long off; 25691110Sjake 25791110Sjake off = (u_long)va & 7; 25891110Sjake /* Test for misaligned watch points. */ 25991110Sjake if (off + sz > 8) 26091110Sjake return (-1); 26191110Sjake return (watch_virt_set_mask(va, ((1 << sz) - 1) << off)); 26291110Sjake} 26391110Sjake#endif 26491110Sjake 26584996Srobert/* 26684996Srobert * archsw functions 26784996Srobert */ 26884996Srobertstatic int 26984996Srobertsparc64_autoload(void) 27084996Srobert{ 271170839Smarius 272170839Smarius return (0); 27384996Srobert} 27484996Srobert 27584996Srobertstatic ssize_t 27684996Srobertsparc64_readin(const int fd, vm_offset_t va, const size_t len) 27784996Srobert{ 278170839Smarius 279163145Skmacy mmu_ops->mmu_mapin(va, len); 280170839Smarius return (read(fd, (void *)va, len)); 28184996Srobert} 28284996Srobert 28384996Srobertstatic ssize_t 28484996Srobertsparc64_copyin(const void *src, vm_offset_t dest, size_t len) 28584996Srobert{ 286170839Smarius 287163145Skmacy mmu_ops->mmu_mapin(dest, len); 28884996Srobert memcpy((void *)dest, src, len); 289170839Smarius return (len); 29084996Srobert} 29184996Srobert 29284996Srobert/* 29384996Srobert * other MD functions 29484996Srobert */ 295170854Smariusstatic vm_offset_t 296170854Smariusclaim_virt(vm_offset_t virt, size_t size, int align) 297170854Smarius{ 298170854Smarius vm_offset_t mva; 299170854Smarius 300170854Smarius if (OF_call_method("claim", mmu, 3, 1, virt, size, align, &mva) == -1) 301170854Smarius return ((vm_offset_t)-1); 302170854Smarius return (mva); 303170854Smarius} 304170854Smarius 305170854Smariusstatic vm_offset_t 306170854Smariusalloc_phys(size_t size, int align) 307170854Smarius{ 308170854Smarius cell_t phys_hi, phys_low; 309170854Smarius 310170854Smarius if (OF_call_method("claim", memory, 2, 2, size, align, &phys_low, 311170854Smarius &phys_hi) == -1) 312170854Smarius return ((vm_offset_t)-1); 313170854Smarius return ((vm_offset_t)phys_hi << 32 | phys_low); 314170854Smarius} 315170854Smarius 31684996Srobertstatic int 317170854Smariusmap_phys(int mode, size_t size, vm_offset_t virt, vm_offset_t phys) 318170854Smarius{ 319170854Smarius 320170854Smarius return (OF_call_method("map", mmu, 5, 0, (uint32_t)phys, 321170854Smarius (uint32_t)(phys >> 32), virt, size, mode)); 322170854Smarius} 323170854Smarius 324170854Smariusstatic void 325170854Smariusrelease_phys(vm_offset_t phys, u_int size) 326170854Smarius{ 327170854Smarius 328170854Smarius (void)OF_call_method("release", memory, 3, 0, (uint32_t)phys, 329170854Smarius (uint32_t)(phys >> 32), size); 330170854Smarius} 331170854Smarius 332170854Smariusstatic int 333114386Speter__elfN(exec)(struct preloaded_file *fp) 33484996Srobert{ 33584996Srobert struct file_metadata *fmp; 33685719Sjake vm_offset_t mdp; 337116415Sjake Elf_Addr entry; 33891139Sjake Elf_Ehdr *e; 33985719Sjake int error; 34084996Srobert 341170839Smarius if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == 0) 342170839Smarius return (EFTYPE); 34391139Sjake e = (Elf_Ehdr *)&fmp->md_data; 34484996Srobert 34585719Sjake if ((error = md_load(fp->f_args, &mdp)) != 0) 346170839Smarius return (error); 34784996Srobert 34891139Sjake printf("jumping to kernel entry at %#lx.\n", e->e_entry); 349188455Smarius#ifdef LOADER_DEBUG 350181398Smarius pmap_print_tlb_sun4u(); 35184996Srobert#endif 35285719Sjake 353200946Smarius dev_cleanup(); 354200946Smarius 355116415Sjake entry = e->e_entry; 356116415Sjake 357165325Skmacy OF_release((void *)heapva, HEAPSZ); 358116415Sjake 359116415Sjake ((kernel_entry_t *)entry)(mdp, 0, 0, 0, openfirmware); 360116415Sjake 361170854Smarius panic("%s: exec returned", __func__); 36284996Srobert} 36384996Srobert 364182478Smariusstatic inline u_long 365223719Smariusdtlb_get_data_sun4u(u_int tlb, u_int slot) 366182478Smarius{ 367223719Smarius u_long data, pstate; 368182478Smarius 369223719Smarius slot = TLB_DAR_SLOT(tlb, slot); 370182478Smarius /* 371223719Smarius * We read ASI_DTLB_DATA_ACCESS_REG twice back-to-back in order to 372223719Smarius * work around errata of USIII and beyond. 373182478Smarius */ 374223719Smarius pstate = rdpr(pstate); 375223719Smarius wrpr(pstate, pstate & ~PSTATE_IE, 0); 376223719Smarius (void)ldxa(slot, ASI_DTLB_DATA_ACCESS_REG); 377223719Smarius data = ldxa(slot, ASI_DTLB_DATA_ACCESS_REG); 378223719Smarius wrpr(pstate, pstate, 0); 379223719Smarius return (data); 380182478Smarius} 381182478Smarius 382182478Smariusstatic inline u_long 383223719Smariusitlb_get_data_sun4u(u_int tlb, u_int slot) 384182478Smarius{ 385223719Smarius u_long data, pstate; 386182478Smarius 387223719Smarius slot = TLB_DAR_SLOT(tlb, slot); 388182478Smarius /* 389223719Smarius * We read ASI_DTLB_DATA_ACCESS_REG twice back-to-back in order to 390223719Smarius * work around errata of USIII and beyond. 391182478Smarius */ 392223719Smarius pstate = rdpr(pstate); 393223719Smarius wrpr(pstate, pstate & ~PSTATE_IE, 0); 394223719Smarius (void)ldxa(slot, ASI_ITLB_DATA_ACCESS_REG); 395223719Smarius data = ldxa(slot, ASI_ITLB_DATA_ACCESS_REG); 396223719Smarius wrpr(pstate, pstate, 0); 397223719Smarius return (data); 398182478Smarius} 399182478Smarius 400181398Smariusstatic vm_offset_t 401181398Smariusdtlb_va_to_pa_sun4u(vm_offset_t va) 402181398Smarius{ 403182766Smarius u_long pstate, reg; 404223719Smarius u_int i, tlb; 405181398Smarius 406182766Smarius pstate = rdpr(pstate); 407182766Smarius wrpr(pstate, pstate & ~PSTATE_IE, 0); 408181398Smarius for (i = 0; i < dtlb_slot_max; i++) { 409223719Smarius reg = ldxa(TLB_DAR_SLOT(tlb_locked, i), 410223719Smarius ASI_DTLB_TAG_READ_REG); 411181398Smarius if (TLB_TAR_VA(reg) != va) 412181398Smarius continue; 413223719Smarius reg = dtlb_get_data_sun4u(tlb_locked, i); 414182766Smarius wrpr(pstate, pstate, 0); 415191071Smarius reg >>= TD_PA_SHIFT; 416207537Smarius if (cpu_impl == CPU_IMPL_SPARC64V || 417207537Smarius cpu_impl >= CPU_IMPL_ULTRASPARCIII) 418191071Smarius return (reg & TD_PA_CH_MASK); 419191071Smarius return (reg & TD_PA_SF_MASK); 420181398Smarius } 421182766Smarius wrpr(pstate, pstate, 0); 422181398Smarius return (-1); 423181398Smarius} 424181398Smarius 425181398Smariusstatic vm_offset_t 426181398Smariusitlb_va_to_pa_sun4u(vm_offset_t va) 427181398Smarius{ 428182766Smarius u_long pstate, reg; 429181398Smarius int i; 430181398Smarius 431182766Smarius pstate = rdpr(pstate); 432182766Smarius wrpr(pstate, pstate & ~PSTATE_IE, 0); 433181398Smarius for (i = 0; i < itlb_slot_max; i++) { 434223719Smarius reg = ldxa(TLB_DAR_SLOT(tlb_locked, i), 435223719Smarius ASI_ITLB_TAG_READ_REG); 436181398Smarius if (TLB_TAR_VA(reg) != va) 437181398Smarius continue; 438223719Smarius reg = itlb_get_data_sun4u(tlb_locked, i); 439182766Smarius wrpr(pstate, pstate, 0); 440191071Smarius reg >>= TD_PA_SHIFT; 441207537Smarius if (cpu_impl == CPU_IMPL_SPARC64V || 442207537Smarius cpu_impl >= CPU_IMPL_ULTRASPARCIII) 443191071Smarius return (reg & TD_PA_CH_MASK); 444191071Smarius return (reg & TD_PA_SF_MASK); 445181398Smarius } 446182766Smarius wrpr(pstate, pstate, 0); 447181398Smarius return (-1); 448181398Smarius} 449181398Smarius 450203830Smariusstatic int 451203830Smariusdtlb_enter_sun4u(u_int index, u_long data, vm_offset_t virt) 452181398Smarius{ 453181398Smarius 454203830Smarius return (OF_call_method("SUNW,dtlb-load", mmu, 3, 0, index, data, 455203830Smarius virt)); 456181398Smarius} 457181398Smarius 458203830Smariusstatic int 459203830Smariusitlb_enter_sun4u(u_int index, u_long data, vm_offset_t virt) 460181398Smarius{ 461181398Smarius 462203830Smarius if (cpu_impl == CPU_IMPL_ULTRASPARCIIIp && index == 0 && 463203830Smarius (data & TD_L) != 0) 464203830Smarius panic("%s: won't enter locked TLB entry at index 0 on USIII+", 465203830Smarius __func__); 466203830Smarius return (OF_call_method("SUNW,itlb-load", mmu, 3, 0, index, data, 467203830Smarius virt)); 468181398Smarius} 469181398Smarius 470182916Smariusstatic void 471182916Smariusitlb_relocate_locked0_sun4u(void) 472182916Smarius{ 473182916Smarius u_long data, pstate, tag; 474182916Smarius int i; 475182916Smarius 476182916Smarius if (cpu_impl != CPU_IMPL_ULTRASPARCIIIp) 477182916Smarius return; 478182916Smarius 479182916Smarius pstate = rdpr(pstate); 480182916Smarius wrpr(pstate, pstate & ~PSTATE_IE, 0); 481182916Smarius 482223719Smarius data = itlb_get_data_sun4u(tlb_locked, 0); 483182916Smarius if ((data & (TD_V | TD_L)) != (TD_V | TD_L)) { 484182916Smarius wrpr(pstate, pstate, 0); 485182916Smarius return; 486182916Smarius } 487182916Smarius 488182916Smarius /* Flush the mapping of slot 0. */ 489223719Smarius tag = ldxa(TLB_DAR_SLOT(tlb_locked, 0), ASI_ITLB_TAG_READ_REG); 490182916Smarius stxa(TLB_DEMAP_VA(TLB_TAR_VA(tag)) | TLB_DEMAP_PRIMARY | 491182916Smarius TLB_DEMAP_PAGE, ASI_IMMU_DEMAP, 0); 492182916Smarius flush(0); /* The USIII-family ignores the address. */ 493182916Smarius 494182916Smarius /* 495182916Smarius * Search a replacement slot != 0 and enter the data and tag 496182916Smarius * that formerly were in slot 0. 497182916Smarius */ 498182916Smarius for (i = 1; i < itlb_slot_max; i++) { 499223719Smarius if ((itlb_get_data_sun4u(tlb_locked, i) & TD_V) != 0) 500182916Smarius continue; 501182916Smarius 502182916Smarius stxa(AA_IMMU_TAR, ASI_IMMU, tag); 503223719Smarius stxa(TLB_DAR_SLOT(tlb_locked, i), ASI_ITLB_DATA_ACCESS_REG, 504223719Smarius data); 505182916Smarius flush(0); /* The USIII-family ignores the address. */ 506182916Smarius break; 507182916Smarius } 508182916Smarius wrpr(pstate, pstate, 0); 509182916Smarius if (i == itlb_slot_max) 510182916Smarius panic("%s: could not find a replacement slot", __func__); 511182916Smarius} 512182916Smarius 51384996Srobertstatic int 514163145Skmacymmu_mapin_sun4u(vm_offset_t va, vm_size_t len) 51584996Srobert{ 51691110Sjake vm_offset_t pa, mva; 51797445Sjake u_long data; 518203830Smarius u_int index; 51984996Srobert 52084996Srobert if (va + len > curkva) 52184996Srobert curkva = va + len; 52284996Srobert 52391110Sjake pa = (vm_offset_t)-1; 52485719Sjake len += va & PAGE_MASK_4M; 52585719Sjake va &= ~PAGE_MASK_4M; 52684996Srobert while (len) { 527181398Smarius if (dtlb_va_to_pa_sun4u(va) == (vm_offset_t)-1 || 528181398Smarius itlb_va_to_pa_sun4u(va) == (vm_offset_t)-1) { 529182020Smarius /* Allocate a physical page, claim the virtual area. */ 53091110Sjake if (pa == (vm_offset_t)-1) { 531170854Smarius pa = alloc_phys(PAGE_SIZE_4M, PAGE_SIZE_4M); 53291110Sjake if (pa == (vm_offset_t)-1) 533170854Smarius panic("%s: out of memory", __func__); 534170854Smarius mva = claim_virt(va, PAGE_SIZE_4M, 0); 535170839Smarius if (mva != va) 536170854Smarius panic("%s: can't claim virtual page " 53791110Sjake "(wanted %#lx, got %#lx)", 538170854Smarius __func__, va, mva); 539182020Smarius /* 540182020Smarius * The mappings may have changed, be paranoid. 541182020Smarius */ 54291110Sjake continue; 54391110Sjake } 54493678Stmm /* 54593678Stmm * Actually, we can only allocate two pages less at 54693678Stmm * most (depending on the kernel TSB size). 54793678Stmm */ 54893678Stmm if (dtlb_slot >= dtlb_slot_max) 549170839Smarius panic("%s: out of dtlb_slots", __func__); 55093678Stmm if (itlb_slot >= itlb_slot_max) 551170839Smarius panic("%s: out of itlb_slots", __func__); 55297445Sjake data = TD_V | TD_4M | TD_PA(pa) | TD_L | TD_CP | 55391139Sjake TD_CV | TD_P | TD_W; 55497445Sjake dtlb_store[dtlb_slot].te_pa = pa; 55597445Sjake dtlb_store[dtlb_slot].te_va = va; 556203830Smarius index = dtlb_slot_max - dtlb_slot - 1; 557203830Smarius if (dtlb_enter_sun4u(index, data, va) < 0) 558203830Smarius panic("%s: can't enter dTLB slot %d data " 559203831Smarius "%#lx va %#lx", __func__, index, data, 560203831Smarius va); 561203830Smarius dtlb_slot++; 56297445Sjake itlb_store[itlb_slot].te_pa = pa; 56397445Sjake itlb_store[itlb_slot].te_va = va; 564203830Smarius index = itlb_slot_max - itlb_slot - 1; 565203830Smarius if (itlb_enter_sun4u(index, data, va) < 0) 566203830Smarius panic("%s: can't enter iTLB slot %d data " 567203831Smarius "%#lx va %#lxd", __func__, index, data, 568203831Smarius va); 56997445Sjake itlb_slot++; 57091110Sjake pa = (vm_offset_t)-1; 57184996Srobert } 57285719Sjake len -= len > PAGE_SIZE_4M ? PAGE_SIZE_4M : len; 57385719Sjake va += PAGE_SIZE_4M; 57484996Srobert } 57591110Sjake if (pa != (vm_offset_t)-1) 576170854Smarius release_phys(pa, PAGE_SIZE_4M); 577170839Smarius return (0); 57884996Srobert} 57984996Srobert 58084996Srobertstatic vm_offset_t 58184996Srobertinit_heap(void) 58284996Srobert{ 58384996Srobert 58484996Srobert /* There is no need for continuous physical heap memory. */ 58584996Srobert heapva = (vm_offset_t)OF_claim((void *)HEAPVA, HEAPSZ, 32); 586170839Smarius return (heapva); 58784996Srobert} 58884996Srobert 589203829Smariusstatic phandle_t 590203829Smariusfind_bsp_sun4u(phandle_t node, uint32_t bspid) 591203829Smarius{ 592203829Smarius char type[sizeof("cpu")]; 593203829Smarius phandle_t child; 594203829Smarius uint32_t cpuid; 595203829Smarius 596203829Smarius for (; node > 0; node = OF_peer(node)) { 597203829Smarius child = OF_child(node); 598203829Smarius if (child > 0) { 599203829Smarius child = find_bsp_sun4u(child, bspid); 600203829Smarius if (child > 0) 601203829Smarius return (child); 602203829Smarius } else { 603203829Smarius if (OF_getprop(node, "device_type", type, 604203829Smarius sizeof(type)) <= 0) 605203829Smarius continue; 606203829Smarius if (strcmp(type, "cpu") != 0) 607203829Smarius continue; 608203829Smarius if (OF_getprop(node, cpu_cpuid_prop_sun4u(), &cpuid, 609203829Smarius sizeof(cpuid)) <= 0) 610203829Smarius continue; 611203829Smarius if (cpuid == bspid) 612203829Smarius return (node); 613203829Smarius } 614203829Smarius } 615203829Smarius return (0); 616203829Smarius} 617203829Smarius 618203829Smariusconst char * 619203829Smariuscpu_cpuid_prop_sun4u(void) 620203829Smarius{ 621203829Smarius 622203829Smarius switch (cpu_impl) { 623203829Smarius case CPU_IMPL_SPARC64: 624207537Smarius case CPU_IMPL_SPARC64V: 625203829Smarius case CPU_IMPL_ULTRASPARCI: 626203829Smarius case CPU_IMPL_ULTRASPARCII: 627203829Smarius case CPU_IMPL_ULTRASPARCIIi: 628203829Smarius case CPU_IMPL_ULTRASPARCIIe: 629203829Smarius return ("upa-portid"); 630203829Smarius case CPU_IMPL_ULTRASPARCIII: 631203829Smarius case CPU_IMPL_ULTRASPARCIIIp: 632203829Smarius case CPU_IMPL_ULTRASPARCIIIi: 633203829Smarius case CPU_IMPL_ULTRASPARCIIIip: 634203829Smarius return ("portid"); 635203829Smarius case CPU_IMPL_ULTRASPARCIV: 636203829Smarius case CPU_IMPL_ULTRASPARCIVp: 637203829Smarius return ("cpuid"); 638203829Smarius default: 639203829Smarius return (""); 640203829Smarius } 641203829Smarius} 642203829Smarius 643203829Smariusuint32_t 644203829Smariuscpu_get_mid_sun4u(void) 645203829Smarius{ 646203829Smarius 647203829Smarius switch (cpu_impl) { 648203829Smarius case CPU_IMPL_SPARC64: 649207537Smarius case CPU_IMPL_SPARC64V: 650203829Smarius case CPU_IMPL_ULTRASPARCI: 651203829Smarius case CPU_IMPL_ULTRASPARCII: 652203829Smarius case CPU_IMPL_ULTRASPARCIIi: 653203829Smarius case CPU_IMPL_ULTRASPARCIIe: 654203829Smarius return (UPA_CR_GET_MID(ldxa(0, ASI_UPA_CONFIG_REG))); 655203829Smarius case CPU_IMPL_ULTRASPARCIII: 656203829Smarius case CPU_IMPL_ULTRASPARCIIIp: 657203829Smarius return (FIREPLANE_CR_GET_AID(ldxa(AA_FIREPLANE_CONFIG, 658203829Smarius ASI_FIREPLANE_CONFIG_REG))); 659203829Smarius case CPU_IMPL_ULTRASPARCIIIi: 660203829Smarius case CPU_IMPL_ULTRASPARCIIIip: 661203829Smarius return (JBUS_CR_GET_JID(ldxa(0, ASI_JBUS_CONFIG_REG))); 662203829Smarius case CPU_IMPL_ULTRASPARCIV: 663203829Smarius case CPU_IMPL_ULTRASPARCIVp: 664203829Smarius return (INTR_ID_GET_ID(ldxa(AA_INTR_ID, ASI_INTR_ID))); 665203829Smarius default: 666203829Smarius return (0); 667203829Smarius } 668203829Smarius} 669203829Smarius 67091139Sjakestatic void 671163145Skmacytlb_init_sun4u(void) 67291139Sjake{ 673203829Smarius phandle_t bsp; 67491139Sjake 675182478Smarius cpu_impl = VER_IMPL(rdpr(ver)); 676223719Smarius switch (cpu_impl) { 677223719Smarius case CPU_IMPL_SPARC64: 678223719Smarius case CPU_IMPL_ULTRASPARCI: 679223719Smarius case CPU_IMPL_ULTRASPARCII: 680223719Smarius case CPU_IMPL_ULTRASPARCIIi: 681223719Smarius case CPU_IMPL_ULTRASPARCIIe: 682223719Smarius tlb_locked = TLB_DAR_T32; 683223719Smarius break; 684223719Smarius case CPU_IMPL_ULTRASPARCIII: 685223719Smarius case CPU_IMPL_ULTRASPARCIIIp: 686223719Smarius case CPU_IMPL_ULTRASPARCIIIi: 687223719Smarius case CPU_IMPL_ULTRASPARCIIIip: 688223719Smarius case CPU_IMPL_ULTRASPARCIV: 689223719Smarius case CPU_IMPL_ULTRASPARCIVp: 690223719Smarius tlb_locked = TLB_DAR_T16; 691223719Smarius break; 692223719Smarius case CPU_IMPL_SPARC64V: 693223719Smarius tlb_locked = TLB_DAR_FTLB; 694223719Smarius break; 695223719Smarius } 696203829Smarius bsp = find_bsp_sun4u(OF_child(root), cpu_get_mid_sun4u()); 697203829Smarius if (bsp == 0) 698170839Smarius panic("%s: no node for bootcpu?!?!", __func__); 699182020Smarius 700203829Smarius if (OF_getprop(bsp, "#dtlb-entries", &dtlb_slot_max, 70191139Sjake sizeof(dtlb_slot_max)) == -1 || 702203829Smarius OF_getprop(bsp, "#itlb-entries", &itlb_slot_max, 70391139Sjake sizeof(itlb_slot_max)) == -1) 704170854Smarius panic("%s: can't get TLB slot max.", __func__); 705182916Smarius 706182916Smarius if (cpu_impl == CPU_IMPL_ULTRASPARCIIIp) { 707182916Smarius#ifdef LOADER_DEBUG 708182916Smarius printf("pre fixup:\n"); 709182916Smarius pmap_print_tlb_sun4u(); 710182916Smarius#endif 711182916Smarius 712182916Smarius /* 713182916Smarius * Relocate the locked entry in it16 slot 0 (if existent) 714182916Smarius * as part of working around Cheetah+ erratum 34. 715182916Smarius */ 716182916Smarius itlb_relocate_locked0_sun4u(); 717182916Smarius 718182916Smarius#ifdef LOADER_DEBUG 719182916Smarius printf("post fixup:\n"); 720182916Smarius pmap_print_tlb_sun4u(); 721182916Smarius#endif 722182916Smarius } 723182916Smarius 72491139Sjake dtlb_store = malloc(dtlb_slot_max * sizeof(*dtlb_store)); 72591139Sjake itlb_store = malloc(itlb_slot_max * sizeof(*itlb_store)); 72691139Sjake if (dtlb_store == NULL || itlb_store == NULL) 727170854Smarius panic("%s: can't allocate TLB store", __func__); 72891139Sjake} 72991139Sjake 730234898Smarius#ifdef LOADER_ZFS_SUPPORT 731235364Savgstatic void 732235364Savgsparc64_zfs_probe(void) 733234898Smarius{ 734234898Smarius struct vtoc8 vtoc; 735235364Savg struct zfs_devdesc zfs_currdev; 736238851Smarius char alias[64], devname[sizeof(alias) + sizeof(":x") - 1]; 737238851Smarius char type[sizeof("device_type")]; 738238851Smarius char *bdev, *dev, *odev; 739234898Smarius uint64_t guid; 740238851Smarius int fd, len, part; 741238851Smarius phandle_t aliases, options; 742234898Smarius 743235364Savg /* Get the GUID of the ZFS pool on the boot device. */ 744234898Smarius guid = 0; 745236581Smarius zfs_probe_dev(bootpath, &guid); 746234898Smarius 747238851Smarius /* 748238851Smarius * Get the GUIDs of the ZFS pools on any additional disks listed in 749238851Smarius * the boot-device environment variable. 750238851Smarius */ 751238851Smarius if ((aliases = OF_finddevice("/aliases")) == -1) 752238851Smarius goto out; 753238851Smarius options = OF_finddevice("/options"); 754238851Smarius len = OF_getproplen(options, "boot-device"); 755238851Smarius if (len <= 0) 756238851Smarius goto out; 757238851Smarius bdev = odev = malloc(len + 1); 758238851Smarius if (bdev == NULL) 759238851Smarius goto out; 760238851Smarius if (OF_getprop(options, "boot-device", bdev, len) <= 0) 761238851Smarius goto out; 762238851Smarius bdev[len] = '\0'; 763238851Smarius while ((dev = strsep(&bdev, " ")) != NULL) { 764238851Smarius if (*dev == '\0') 765238851Smarius continue; 766238851Smarius strcpy(alias, dev); 767238851Smarius (void)OF_getprop(aliases, dev, alias, sizeof(alias)); 768238851Smarius /* 769238851Smarius * Don't probe the boot disk twice. Note that bootpath 770238851Smarius * includes the partition specifier. 771238851Smarius */ 772238851Smarius if (strncmp(alias, bootpath, strlen(alias)) == 0) 773238851Smarius continue; 774238851Smarius if (OF_getprop(OF_finddevice(alias), "device_type", type, 775238851Smarius sizeof(type)) == -1) 776238851Smarius continue; 777238851Smarius if (strcmp(type, "block") != 0) 778238851Smarius continue; 779238851Smarius 780234898Smarius /* Find freebsd-zfs slices in the VTOC. */ 781238851Smarius fd = open(alias, O_RDONLY); 782234898Smarius if (fd == -1) 783234898Smarius continue; 784234898Smarius lseek(fd, 0, SEEK_SET); 785234898Smarius if (read(fd, &vtoc, sizeof(vtoc)) != sizeof(vtoc)) { 786234898Smarius close(fd); 787234898Smarius continue; 788234898Smarius } 789234898Smarius close(fd); 790234898Smarius 791234898Smarius for (part = 0; part < 8; part++) { 792234898Smarius if (part == 2 || vtoc.part[part].tag != 793236581Smarius VTOC_TAG_FREEBSD_ZFS) 794234898Smarius continue; 795238851Smarius (void)sprintf(devname, "%s:%c", alias, part + 'a'); 796235364Savg if (zfs_probe_dev(devname, NULL) == ENXIO) 797234898Smarius break; 798234898Smarius } 799234898Smarius } 800238851Smarius free(odev); 801234898Smarius 802238851Smarius out: 803234898Smarius if (guid != 0) { 804235364Savg zfs_currdev.pool_guid = guid; 805235364Savg zfs_currdev.root_guid = 0; 806235364Savg zfs_currdev.d_dev = &zfs_dev; 807235364Savg zfs_currdev.d_type = zfs_currdev.d_dev->dv_type; 808236581Smarius (void)strncpy(bootpath, zfs_fmtdev(&zfs_currdev), 809236581Smarius sizeof(bootpath) - 1); 810236581Smarius bootpath[sizeof(bootpath) - 1] = '\0'; 811234898Smarius } 812234898Smarius} 813234898Smarius#endif /* LOADER_ZFS_SUPPORT */ 814234898Smarius 81585719Sjakeint 81685719Sjakemain(int (*openfirm)(void *)) 81784996Srobert{ 818163145Skmacy char compatible[32]; 81984996Srobert struct devsw **dp; 82084996Srobert 82184996Srobert /* 822182020Smarius * Tell the Open Firmware functions where they find the OFW gate. 82384996Srobert */ 82485719Sjake OF_init(openfirm); 82584996Srobert 82684996Srobert archsw.arch_getdev = ofw_getdev; 82784996Srobert archsw.arch_copyin = sparc64_copyin; 82884996Srobert archsw.arch_copyout = ofw_copyout; 82984996Srobert archsw.arch_readin = sparc64_readin; 83084996Srobert archsw.arch_autoload = sparc64_autoload; 831235364Savg#ifdef LOADER_ZFS_SUPPORT 832235364Savg archsw.arch_zfs_probe = sparc64_zfs_probe; 833235364Savg#endif 83484996Srobert 835214526Smarius if (init_heap() == (vm_offset_t)-1) 836214526Smarius OF_exit(); 837214526Smarius setheap((void *)heapva, (void *)(heapva + HEAPSZ)); 838214526Smarius 83984996Srobert /* 84084996Srobert * Probe for a console. 84184996Srobert */ 84284996Srobert cons_probe(); 84384996Srobert 844170854Smarius if ((root = OF_peer(0)) == -1) 845170854Smarius panic("%s: can't get root phandle", __func__); 846170854Smarius OF_getprop(root, "compatible", compatible, sizeof(compatible)); 847221869Sattilio mmu_ops = &mmu_ops_sun4u; 84891139Sjake 849163145Skmacy mmu_ops->tlb_init(); 850163145Skmacy 85184996Srobert /* 85284996Srobert * Set up the current device. 85384996Srobert */ 854170854Smarius OF_getprop(chosen, "bootpath", bootpath, sizeof(bootpath)); 85584996Srobert 856106738Sjake /* 857106738Sjake * Sun compatible bootable CD-ROMs have a disk label placed 858106738Sjake * before the cd9660 data, with the actual filesystem being 859106738Sjake * in the first partition, while the other partitions contain 860106738Sjake * pseudo disk labels with embedded boot blocks for different 861106738Sjake * architectures, which may be followed by UFS filesystems. 862106738Sjake * The firmware will set the boot path to the partition it 863106738Sjake * boots from ('f' in the sun4u case), but we want the kernel 864106738Sjake * to be loaded from the cd9660 fs ('a'), so the boot path 865106738Sjake * needs to be altered. 866106738Sjake */ 867106738Sjake if (bootpath[strlen(bootpath) - 2] == ':' && 868234898Smarius bootpath[strlen(bootpath) - 1] == 'f' && 869236581Smarius strstr(bootpath, "cdrom") != NULL) { 870106738Sjake bootpath[strlen(bootpath) - 1] = 'a'; 871106738Sjake printf("Boot path set to %s\n", bootpath); 87284996Srobert } 87384996Srobert 874234898Smarius /* 875234898Smarius * Initialize devices. 876234898Smarius */ 877234898Smarius for (dp = devsw; *dp != 0; dp++) 878234898Smarius if ((*dp)->dv_init != 0) 879234898Smarius (*dp)->dv_init(); 880234898Smarius 881236581Smarius /* 882236581Smarius * Now that sparc64_zfs_probe() might have altered bootpath, 883236581Smarius * export it. 884236581Smarius */ 885236581Smarius env_setenv("currdev", EV_VOLATILE, bootpath, 886236581Smarius ofw_setcurrdev, env_nounset); 887236581Smarius env_setenv("loaddev", EV_VOLATILE, bootpath, 888236581Smarius env_noset, env_nounset); 889236581Smarius 890101287Sjake printf("\n"); 891101287Sjake printf("%s, Revision %s\n", bootprog_name, bootprog_rev); 892101287Sjake printf("(%s, %s)\n", bootprog_maker, bootprog_date); 89384996Srobert printf("bootpath=\"%s\"\n", bootpath); 89484996Srobert 89584996Srobert /* Give control to the machine independent loader code. */ 89684996Srobert interact(); 897170839Smarius return (1); 89884996Srobert} 89984996Srobert 900234897SmariusCOMMAND_SET(heap, "heap", "show heap usage", command_heap); 901234897Smarius 902234897Smariusstatic int 903234897Smariuscommand_heap(int argc, char *argv[]) 904234897Smarius{ 905234897Smarius 906234897Smarius mallocstats(); 907234897Smarius printf("heap base at %p, top at %p, upper limit at %p\n", heapva, 908234897Smarius sbrk(0), heapva + HEAPSZ); 909234897Smarius return(CMD_OK); 910234897Smarius} 911234897Smarius 91291110SjakeCOMMAND_SET(reboot, "reboot", "reboot the system", command_reboot); 91391110Sjake 91491110Sjakestatic int 91591110Sjakecommand_reboot(int argc, char *argv[]) 91691110Sjake{ 91791110Sjake int i; 91891110Sjake 91991110Sjake for (i = 0; devsw[i] != NULL; ++i) 92091110Sjake if (devsw[i]->dv_cleanup != NULL) 92191110Sjake (devsw[i]->dv_cleanup)(); 92291110Sjake 92391110Sjake printf("Rebooting...\n"); 92491110Sjake OF_exit(); 92591110Sjake} 92691110Sjake 92791110Sjake/* provide this for panic, as it's not in the startup code */ 92891110Sjakevoid 92991110Sjakeexit(int code) 93091110Sjake{ 931170839Smarius 93291110Sjake OF_exit(); 93391110Sjake} 93491110Sjake 93591110Sjake#ifdef LOADER_DEBUG 936188455Smariusstatic const char *const page_sizes[] = { 93784996Srobert " 8k", " 64k", "512k", " 4m" 93884996Srobert}; 93984996Srobert 94084996Srobertstatic void 941181398Smariuspmap_print_tte_sun4u(tte_t tag, tte_t tte) 94284996Srobert{ 943170839Smarius 94484996Srobert printf("%s %s ", 945191071Smarius page_sizes[(tte >> TD_SIZE_SHIFT) & TD_SIZE_MASK], 94684996Srobert tag & TD_G ? "G" : " "); 94784996Srobert printf(tte & TD_W ? "W " : " "); 94884996Srobert printf(tte & TD_P ? "\e[33mP\e[0m " : " "); 94984996Srobert printf(tte & TD_E ? "E " : " "); 95084996Srobert printf(tte & TD_CV ? "CV " : " "); 95184996Srobert printf(tte & TD_CP ? "CP " : " "); 95284996Srobert printf(tte & TD_L ? "\e[32mL\e[0m " : " "); 95384996Srobert printf(tte & TD_IE ? "IE " : " "); 95484996Srobert printf(tte & TD_NFO ? "NFO " : " "); 955181398Smarius printf("pa=0x%lx va=0x%lx ctx=%ld\n", 956181398Smarius TD_PA(tte), TLB_TAR_VA(tag), TLB_TAR_CTX(tag)); 95784996Srobert} 958181398Smarius 959181398Smariusstatic void 960181398Smariuspmap_print_tlb_sun4u(void) 96184996Srobert{ 962181398Smarius tte_t tag, tte; 963182478Smarius u_long pstate; 96484996Srobert int i; 96584996Srobert 966182478Smarius pstate = rdpr(pstate); 967181398Smarius for (i = 0; i < itlb_slot_max; i++) { 968182478Smarius wrpr(pstate, pstate & ~PSTATE_IE, 0); 969223719Smarius tte = itlb_get_data_sun4u(tlb_locked, i); 970182478Smarius wrpr(pstate, pstate, 0); 97184996Srobert if (!(tte & TD_V)) 97284996Srobert continue; 973223719Smarius tag = ldxa(TLB_DAR_SLOT(tlb_locked, i), 974223719Smarius ASI_ITLB_TAG_READ_REG); 975181398Smarius printf("iTLB-%2u: ", i); 976181398Smarius pmap_print_tte_sun4u(tag, tte); 97784996Srobert } 978181398Smarius for (i = 0; i < dtlb_slot_max; i++) { 979182478Smarius wrpr(pstate, pstate & ~PSTATE_IE, 0); 980223719Smarius tte = dtlb_get_data_sun4u(tlb_locked, i); 981182478Smarius wrpr(pstate, pstate, 0); 982181398Smarius if (!(tte & TD_V)) 983181398Smarius continue; 984223719Smarius tag = ldxa(TLB_DAR_SLOT(tlb_locked, i), 985223719Smarius ASI_DTLB_TAG_READ_REG); 986181398Smarius printf("dTLB-%2u: ", i); 987181398Smarius pmap_print_tte_sun4u(tag, tte); 988181398Smarius } 98984996Srobert} 99091110Sjake#endif 991