1d3e1307bSJustin Hibbits /*- 2d3e1307bSJustin Hibbits * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 3d3e1307bSJustin Hibbits * All rights reserved. 4d3e1307bSJustin Hibbits * 5d3e1307bSJustin Hibbits * Redistribution and use in source and binary forms, with or without 6d3e1307bSJustin Hibbits * modification, are permitted provided that the following conditions 7d3e1307bSJustin Hibbits * are met: 8d3e1307bSJustin Hibbits * 1. Redistributions of source code must retain the above copyright 9d3e1307bSJustin Hibbits * notice, this list of conditions and the following disclaimer. 10d3e1307bSJustin Hibbits * 2. Redistributions in binary form must reproduce the above copyright 11d3e1307bSJustin Hibbits * notice, this list of conditions and the following disclaimer in the 12d3e1307bSJustin Hibbits * documentation and/or other materials provided with the distribution. 13d3e1307bSJustin Hibbits * 14d3e1307bSJustin Hibbits * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15d3e1307bSJustin Hibbits * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16d3e1307bSJustin Hibbits * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17d3e1307bSJustin Hibbits * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18d3e1307bSJustin Hibbits * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19d3e1307bSJustin Hibbits * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20d3e1307bSJustin Hibbits * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21d3e1307bSJustin Hibbits * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22d3e1307bSJustin Hibbits * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23d3e1307bSJustin Hibbits * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24d3e1307bSJustin Hibbits * SUCH DAMAGE. 25d3e1307bSJustin Hibbits * 26d3e1307bSJustin Hibbits * from: FreeBSD: src/sys/boot/sparc64/loader/metadata.c,v 1.6 27d3e1307bSJustin Hibbits */ 28d3e1307bSJustin Hibbits 29d3e1307bSJustin Hibbits #include <sys/cdefs.h> 30d3e1307bSJustin Hibbits __FBSDID("$FreeBSD$"); 31d3e1307bSJustin Hibbits 32d3e1307bSJustin Hibbits #include <stand.h> 33d3e1307bSJustin Hibbits #include <sys/param.h> 34d3e1307bSJustin Hibbits #include <sys/linker.h> 354569e913SWarner Losh #include <sys/boot.h> 3628ee318dSKyle Evans #include <sys/reboot.h> 37d3e1307bSJustin Hibbits #if defined(LOADER_FDT_SUPPORT) 38d3e1307bSJustin Hibbits #include <fdt_platform.h> 39d3e1307bSJustin Hibbits #endif 40d3e1307bSJustin Hibbits 414daa199dSKyle Evans #ifdef __arm__ 424daa199dSKyle Evans #include <machine/elf.h> 434daa199dSKyle Evans #endif 44d3e1307bSJustin Hibbits #include <machine/metadata.h> 45d3e1307bSJustin Hibbits 46d3e1307bSJustin Hibbits #include "bootstrap.h" 47d3e1307bSJustin Hibbits 48c1418270SIan Lepore #ifdef LOADER_GELI_SUPPORT 49c1418270SIan Lepore #include "geliboot.h" 50c1418270SIan Lepore #endif 51c1418270SIan Lepore 52dd5dbb31SMarius Strobl static int 53d3e1307bSJustin Hibbits md_getboothowto(char *kargs) 54d3e1307bSJustin Hibbits { 55d3e1307bSJustin Hibbits int howto; 56d3e1307bSJustin Hibbits 57d3e1307bSJustin Hibbits /* Parse kargs */ 584569e913SWarner Losh howto = boot_parse_cmdline(kargs); 59c96ac12eSWarner Losh howto |= boot_env_to_howto(); 60d3e1307bSJustin Hibbits if (!strcmp(getenv("console"), "comconsole")) 61d3e1307bSJustin Hibbits howto |= RB_SERIAL; 62d3e1307bSJustin Hibbits if (!strcmp(getenv("console"), "nullconsole")) 63d3e1307bSJustin Hibbits howto |= RB_MUTE; 64d3e1307bSJustin Hibbits return(howto); 65d3e1307bSJustin Hibbits } 66d3e1307bSJustin Hibbits 67d3e1307bSJustin Hibbits /* 68d3e1307bSJustin Hibbits * Copy the environment into the load area starting at (addr). 69d3e1307bSJustin Hibbits * Each variable is formatted as <name>=<value>, with a single nul 70d3e1307bSJustin Hibbits * separating each variable, and a double nul terminating the environment. 71d3e1307bSJustin Hibbits */ 72d3e1307bSJustin Hibbits static vm_offset_t 73d3e1307bSJustin Hibbits md_copyenv(vm_offset_t addr) 74d3e1307bSJustin Hibbits { 75d3e1307bSJustin Hibbits struct env_var *ep; 76d3e1307bSJustin Hibbits 77d3e1307bSJustin Hibbits /* traverse the environment */ 78d3e1307bSJustin Hibbits for (ep = environ; ep != NULL; ep = ep->ev_next) { 79d3e1307bSJustin Hibbits archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name)); 80d3e1307bSJustin Hibbits addr += strlen(ep->ev_name); 81d3e1307bSJustin Hibbits archsw.arch_copyin("=", addr, 1); 82d3e1307bSJustin Hibbits addr++; 83d3e1307bSJustin Hibbits if (ep->ev_value != NULL) { 84d3e1307bSJustin Hibbits archsw.arch_copyin(ep->ev_value, addr, strlen(ep->ev_value)); 85d3e1307bSJustin Hibbits addr += strlen(ep->ev_value); 86d3e1307bSJustin Hibbits } 87d3e1307bSJustin Hibbits archsw.arch_copyin("", addr, 1); 88d3e1307bSJustin Hibbits addr++; 89d3e1307bSJustin Hibbits } 90d3e1307bSJustin Hibbits archsw.arch_copyin("", addr, 1); 91d3e1307bSJustin Hibbits addr++; 92d3e1307bSJustin Hibbits return(addr); 93d3e1307bSJustin Hibbits } 94d3e1307bSJustin Hibbits 95d3e1307bSJustin Hibbits /* 96d3e1307bSJustin Hibbits * Copy module-related data into the load area, where it can be 97d3e1307bSJustin Hibbits * used as a directory for loaded modules. 98d3e1307bSJustin Hibbits * 99d3e1307bSJustin Hibbits * Module data is presented in a self-describing format. Each datum 100d3e1307bSJustin Hibbits * is preceded by a 32-bit identifier and a 32-bit size field. 101d3e1307bSJustin Hibbits * 102d3e1307bSJustin Hibbits * Currently, the following data are saved: 103d3e1307bSJustin Hibbits * 104d3e1307bSJustin Hibbits * MOD_NAME (variable) module name (string) 105d3e1307bSJustin Hibbits * MOD_TYPE (variable) module type (string) 106d3e1307bSJustin Hibbits * MOD_ARGS (variable) module parameters (string) 107d3e1307bSJustin Hibbits * MOD_ADDR sizeof(vm_offset_t) module load address 108d3e1307bSJustin Hibbits * MOD_SIZE sizeof(size_t) module size 109d3e1307bSJustin Hibbits * MOD_METADATA (variable) type-specific metadata 110d3e1307bSJustin Hibbits */ 111d3e1307bSJustin Hibbits 112d3e1307bSJustin Hibbits static int align; 113d3e1307bSJustin Hibbits 114d3e1307bSJustin Hibbits #define COPY32(v, a, c) { \ 11556e53cb8SWarner Losh uint32_t x = (v); \ 116d3e1307bSJustin Hibbits if (c) \ 117d3e1307bSJustin Hibbits archsw.arch_copyin(&x, a, sizeof(x)); \ 118d3e1307bSJustin Hibbits a += sizeof(x); \ 119d3e1307bSJustin Hibbits } 120d3e1307bSJustin Hibbits 121d3e1307bSJustin Hibbits #define MOD_STR(t, a, s, c) { \ 122d3e1307bSJustin Hibbits COPY32(t, a, c); \ 123d3e1307bSJustin Hibbits COPY32(strlen(s) + 1, a, c) \ 124d3e1307bSJustin Hibbits if (c) \ 125d3e1307bSJustin Hibbits archsw.arch_copyin(s, a, strlen(s) + 1);\ 126d3e1307bSJustin Hibbits a += roundup(strlen(s) + 1, align); \ 127d3e1307bSJustin Hibbits } 128d3e1307bSJustin Hibbits 129d3e1307bSJustin Hibbits #define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c) 130d3e1307bSJustin Hibbits #define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c) 131d3e1307bSJustin Hibbits #define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c) 132d3e1307bSJustin Hibbits 133d3e1307bSJustin Hibbits #define MOD_VAR(t, a, s, c) { \ 134d3e1307bSJustin Hibbits COPY32(t, a, c); \ 135d3e1307bSJustin Hibbits COPY32(sizeof(s), a, c); \ 136d3e1307bSJustin Hibbits if (c) \ 137d3e1307bSJustin Hibbits archsw.arch_copyin(&s, a, sizeof(s)); \ 138d3e1307bSJustin Hibbits a += roundup(sizeof(s), align); \ 139d3e1307bSJustin Hibbits } 140d3e1307bSJustin Hibbits 141d3e1307bSJustin Hibbits #define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c) 142d3e1307bSJustin Hibbits #define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c) 143d3e1307bSJustin Hibbits 144d3e1307bSJustin Hibbits #define MOD_METADATA(a, mm, c) { \ 145d3e1307bSJustin Hibbits COPY32(MODINFO_METADATA | mm->md_type, a, c);\ 146d3e1307bSJustin Hibbits COPY32(mm->md_size, a, c); \ 147d3e1307bSJustin Hibbits if (c) \ 148d3e1307bSJustin Hibbits archsw.arch_copyin(mm->md_data, a, mm->md_size);\ 149d3e1307bSJustin Hibbits a += roundup(mm->md_size, align); \ 150d3e1307bSJustin Hibbits } 151d3e1307bSJustin Hibbits 152d3e1307bSJustin Hibbits #define MOD_END(a, c) { \ 153d3e1307bSJustin Hibbits COPY32(MODINFO_END, a, c); \ 154d3e1307bSJustin Hibbits COPY32(0, a, c); \ 155d3e1307bSJustin Hibbits } 156d3e1307bSJustin Hibbits 157d3e1307bSJustin Hibbits static vm_offset_t 158d3e1307bSJustin Hibbits md_copymodules(vm_offset_t addr, int kern64) 159d3e1307bSJustin Hibbits { 160d3e1307bSJustin Hibbits struct preloaded_file *fp; 161d3e1307bSJustin Hibbits struct file_metadata *md; 162d3e1307bSJustin Hibbits uint64_t scratch64; 1637feea407SIan Lepore uint32_t scratch32; 164d3e1307bSJustin Hibbits int c; 165d3e1307bSJustin Hibbits 166d3e1307bSJustin Hibbits c = addr != 0; 167d3e1307bSJustin Hibbits /* start with the first module on the list, should be the kernel */ 168d3e1307bSJustin Hibbits for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) { 169d3e1307bSJustin Hibbits 170d3e1307bSJustin Hibbits MOD_NAME(addr, fp->f_name, c); /* this field must come first */ 171d3e1307bSJustin Hibbits MOD_TYPE(addr, fp->f_type, c); 172d3e1307bSJustin Hibbits if (fp->f_args) 173d3e1307bSJustin Hibbits MOD_ARGS(addr, fp->f_args, c); 174d3e1307bSJustin Hibbits if (kern64) { 175d3e1307bSJustin Hibbits scratch64 = fp->f_addr; 176d3e1307bSJustin Hibbits MOD_ADDR(addr, scratch64, c); 177d3e1307bSJustin Hibbits scratch64 = fp->f_size; 178d3e1307bSJustin Hibbits MOD_SIZE(addr, scratch64, c); 179d3e1307bSJustin Hibbits } else { 1807feea407SIan Lepore scratch32 = fp->f_addr; 1817feea407SIan Lepore #ifdef __arm__ 1827feea407SIan Lepore scratch32 -= __elfN(relocation_offset); 1837feea407SIan Lepore #endif 1847feea407SIan Lepore MOD_ADDR(addr, scratch32, c); 185d3e1307bSJustin Hibbits MOD_SIZE(addr, fp->f_size, c); 186d3e1307bSJustin Hibbits } 187d3e1307bSJustin Hibbits for (md = fp->f_metadata; md != NULL; md = md->md_next) { 188d3e1307bSJustin Hibbits if (!(md->md_type & MODINFOMD_NOCOPY)) { 189d3e1307bSJustin Hibbits MOD_METADATA(addr, md, c); 190d3e1307bSJustin Hibbits } 191d3e1307bSJustin Hibbits } 192d3e1307bSJustin Hibbits } 193d3e1307bSJustin Hibbits MOD_END(addr, c); 194d3e1307bSJustin Hibbits return(addr); 195d3e1307bSJustin Hibbits } 196d3e1307bSJustin Hibbits 197d3e1307bSJustin Hibbits /* 198d3e1307bSJustin Hibbits * Load the information expected by a kernel. 199d3e1307bSJustin Hibbits * 200d3e1307bSJustin Hibbits * - The 'boothowto' argument is constructed 201d3e1307bSJustin Hibbits * - The 'bootdev' argument is constructed 202d3e1307bSJustin Hibbits * - The kernel environment is copied into kernel space. 203d3e1307bSJustin Hibbits * - Module metadata are formatted and placed in kernel space. 204d3e1307bSJustin Hibbits */ 205dd5dbb31SMarius Strobl static int 206d3e1307bSJustin Hibbits md_load_dual(char *args, vm_offset_t *modulep, vm_offset_t *dtb, int kern64) 207d3e1307bSJustin Hibbits { 208d3e1307bSJustin Hibbits struct preloaded_file *kfp; 209d3e1307bSJustin Hibbits struct preloaded_file *xp; 210d3e1307bSJustin Hibbits struct file_metadata *md; 211d3e1307bSJustin Hibbits vm_offset_t kernend; 212d3e1307bSJustin Hibbits vm_offset_t addr; 213d3e1307bSJustin Hibbits vm_offset_t envp; 214d3e1307bSJustin Hibbits #if defined(LOADER_FDT_SUPPORT) 215d3e1307bSJustin Hibbits vm_offset_t fdtp; 216d3e1307bSJustin Hibbits #endif 217d3e1307bSJustin Hibbits vm_offset_t size; 218d3e1307bSJustin Hibbits uint64_t scratch64; 219d3e1307bSJustin Hibbits char *rootdevname; 220d3e1307bSJustin Hibbits int howto; 2214daa199dSKyle Evans #ifdef __arm__ 2224daa199dSKyle Evans vm_offset_t vaddr; 2234daa199dSKyle Evans int i; 2244daa199dSKyle Evans 2254daa199dSKyle Evans /* 2264daa199dSKyle Evans * These metadata addreses must be converted for kernel after 2274daa199dSKyle Evans * relocation. 2284daa199dSKyle Evans */ 2294daa199dSKyle Evans uint32_t mdt[] = { 2304daa199dSKyle Evans MODINFOMD_SSYM, MODINFOMD_ESYM, MODINFOMD_KERNEND, 2314daa199dSKyle Evans MODINFOMD_ENVP, 2324daa199dSKyle Evans #if defined(LOADER_FDT_SUPPORT) 2334daa199dSKyle Evans MODINFOMD_DTBP 2344daa199dSKyle Evans #endif 2354daa199dSKyle Evans }; 2364daa199dSKyle Evans #endif 237d3e1307bSJustin Hibbits 238d3e1307bSJustin Hibbits align = kern64 ? 8 : 4; 239d3e1307bSJustin Hibbits howto = md_getboothowto(args); 240d3e1307bSJustin Hibbits 241d3e1307bSJustin Hibbits /* 242d3e1307bSJustin Hibbits * Allow the environment variable 'rootdev' to override the supplied 243d3e1307bSJustin Hibbits * device. This should perhaps go to MI code and/or have $rootdev 244d3e1307bSJustin Hibbits * tested/set by MI code before launching the kernel. 245d3e1307bSJustin Hibbits */ 246d3e1307bSJustin Hibbits rootdevname = getenv("rootdev"); 247d3e1307bSJustin Hibbits if (rootdevname == NULL) 248d3e1307bSJustin Hibbits rootdevname = getenv("currdev"); 249d3e1307bSJustin Hibbits /* Try reading the /etc/fstab file to select the root device */ 250d3e1307bSJustin Hibbits getrootmount(rootdevname); 251d3e1307bSJustin Hibbits 252d3e1307bSJustin Hibbits /* Find the last module in the chain */ 253d3e1307bSJustin Hibbits addr = 0; 254d3e1307bSJustin Hibbits for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) { 255d3e1307bSJustin Hibbits if (addr < (xp->f_addr + xp->f_size)) 256d3e1307bSJustin Hibbits addr = xp->f_addr + xp->f_size; 257d3e1307bSJustin Hibbits } 258d3e1307bSJustin Hibbits /* Pad to a page boundary */ 259d3e1307bSJustin Hibbits addr = roundup(addr, PAGE_SIZE); 260d3e1307bSJustin Hibbits 261d3e1307bSJustin Hibbits /* Copy our environment */ 262d3e1307bSJustin Hibbits envp = addr; 263d3e1307bSJustin Hibbits addr = md_copyenv(addr); 264d3e1307bSJustin Hibbits 265d3e1307bSJustin Hibbits /* Pad to a page boundary */ 266d3e1307bSJustin Hibbits addr = roundup(addr, PAGE_SIZE); 267d3e1307bSJustin Hibbits 268d3e1307bSJustin Hibbits #if defined(LOADER_FDT_SUPPORT) 269d3e1307bSJustin Hibbits /* Copy out FDT */ 270d3e1307bSJustin Hibbits fdtp = 0; 271d3e1307bSJustin Hibbits #if defined(__powerpc__) 272d3e1307bSJustin Hibbits if (getenv("usefdt") != NULL) 273d3e1307bSJustin Hibbits #endif 274d3e1307bSJustin Hibbits { 275d3e1307bSJustin Hibbits size = fdt_copy(addr); 276d3e1307bSJustin Hibbits fdtp = addr; 277d3e1307bSJustin Hibbits addr = roundup(addr + size, PAGE_SIZE); 278d3e1307bSJustin Hibbits } 279d3e1307bSJustin Hibbits #endif 280d3e1307bSJustin Hibbits 281d3e1307bSJustin Hibbits kernend = 0; 282d3e1307bSJustin Hibbits kfp = file_findfile(NULL, kern64 ? "elf64 kernel" : "elf32 kernel"); 283d3e1307bSJustin Hibbits if (kfp == NULL) 284d3e1307bSJustin Hibbits kfp = file_findfile(NULL, "elf kernel"); 285d3e1307bSJustin Hibbits if (kfp == NULL) 286d3e1307bSJustin Hibbits panic("can't find kernel file"); 287d3e1307bSJustin Hibbits file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto); 288d3e1307bSJustin Hibbits if (kern64) { 289d3e1307bSJustin Hibbits scratch64 = envp; 290d3e1307bSJustin Hibbits file_addmetadata(kfp, MODINFOMD_ENVP, sizeof scratch64, &scratch64); 291d3e1307bSJustin Hibbits #if defined(LOADER_FDT_SUPPORT) 292d3e1307bSJustin Hibbits if (fdtp != 0) { 293d3e1307bSJustin Hibbits scratch64 = fdtp; 294d3e1307bSJustin Hibbits file_addmetadata(kfp, MODINFOMD_DTBP, sizeof scratch64, &scratch64); 295d3e1307bSJustin Hibbits } 296d3e1307bSJustin Hibbits #endif 297d3e1307bSJustin Hibbits scratch64 = kernend; 298d3e1307bSJustin Hibbits file_addmetadata(kfp, MODINFOMD_KERNEND, 299d3e1307bSJustin Hibbits sizeof scratch64, &scratch64); 300d3e1307bSJustin Hibbits } else { 301d3e1307bSJustin Hibbits file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp); 302d3e1307bSJustin Hibbits #if defined(LOADER_FDT_SUPPORT) 303d3e1307bSJustin Hibbits if (fdtp != 0) 304d3e1307bSJustin Hibbits file_addmetadata(kfp, MODINFOMD_DTBP, sizeof fdtp, &fdtp); 305d3e1307bSJustin Hibbits #endif 306d3e1307bSJustin Hibbits file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend); 307d3e1307bSJustin Hibbits } 308c1418270SIan Lepore #ifdef LOADER_GELI_SUPPORT 309c1418270SIan Lepore geli_export_key_metadata(kfp); 310c1418270SIan Lepore #endif 311d3e1307bSJustin Hibbits 312d3e1307bSJustin Hibbits *modulep = addr; 313d3e1307bSJustin Hibbits size = md_copymodules(0, kern64); 314d3e1307bSJustin Hibbits kernend = roundup(addr + size, PAGE_SIZE); 315d3e1307bSJustin Hibbits 316d3e1307bSJustin Hibbits md = file_findmetadata(kfp, MODINFOMD_KERNEND); 317d3e1307bSJustin Hibbits if (kern64) { 318d3e1307bSJustin Hibbits scratch64 = kernend; 319d3e1307bSJustin Hibbits bcopy(&scratch64, md->md_data, sizeof scratch64); 320d3e1307bSJustin Hibbits } else { 321d3e1307bSJustin Hibbits bcopy(&kernend, md->md_data, sizeof kernend); 322d3e1307bSJustin Hibbits } 323d3e1307bSJustin Hibbits 3244daa199dSKyle Evans #ifdef __arm__ 3254daa199dSKyle Evans /* Convert addresses to the final VA */ 3264daa199dSKyle Evans *modulep -= __elfN(relocation_offset); 3274daa199dSKyle Evans 3284daa199dSKyle Evans /* Do relocation fixup on metadata of each module. */ 3294daa199dSKyle Evans for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) { 3304daa199dSKyle Evans for (i = 0; i < nitems(mdt); i++) { 3314daa199dSKyle Evans md = file_findmetadata(xp, mdt[i]); 3324daa199dSKyle Evans if (md) { 3334daa199dSKyle Evans bcopy(md->md_data, &vaddr, sizeof vaddr); 3344daa199dSKyle Evans vaddr -= __elfN(relocation_offset); 3354daa199dSKyle Evans bcopy(&vaddr, md->md_data, sizeof vaddr); 3364daa199dSKyle Evans } 3374daa199dSKyle Evans } 3384daa199dSKyle Evans } 3394daa199dSKyle Evans #endif 3404daa199dSKyle Evans 341d3e1307bSJustin Hibbits (void)md_copymodules(addr, kern64); 342d3e1307bSJustin Hibbits #if defined(LOADER_FDT_SUPPORT) 343d3e1307bSJustin Hibbits if (dtb != NULL) 344d3e1307bSJustin Hibbits *dtb = fdtp; 345d3e1307bSJustin Hibbits #endif 346d3e1307bSJustin Hibbits 347d3e1307bSJustin Hibbits return(0); 348d3e1307bSJustin Hibbits } 349d3e1307bSJustin Hibbits 350d3e1307bSJustin Hibbits int 351d3e1307bSJustin Hibbits md_load(char *args, vm_offset_t *modulep, vm_offset_t *dtb) 352d3e1307bSJustin Hibbits { 353d3e1307bSJustin Hibbits return (md_load_dual(args, modulep, dtb, 0)); 354d3e1307bSJustin Hibbits } 355d3e1307bSJustin Hibbits 35620b23ae7SWarner Losh #if defined(__powerpc__) 357d3e1307bSJustin Hibbits int 358d3e1307bSJustin Hibbits md_load64(char *args, vm_offset_t *modulep, vm_offset_t *dtb) 359d3e1307bSJustin Hibbits { 360d3e1307bSJustin Hibbits return (md_load_dual(args, modulep, dtb, 1)); 361d3e1307bSJustin Hibbits } 362d3e1307bSJustin Hibbits #endif 363