/* $NetBSD: exec.c,v 1.81 2024/09/11 20:15:36 andvar Exp $ */ /* * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1982, 1986, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)boot.c 8.1 (Berkeley) 6/10/93 */ /* * Copyright (c) 1996 * Matthias Drochner. All rights reserved. * Copyright (c) 1996 * Perry E. Metzger. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)boot.c 8.1 (Berkeley) 6/10/93 */ /* * Starts a NetBSD ELF kernel. The low level startup is done in startprog.S. */ #include #include #include #include #include "loadfile.h" #include "libi386.h" #include "bootinfo.h" #include "bootmod.h" #include "vbe.h" #ifdef SUPPORT_PS2 #include "biosmca.h" #endif #ifdef EFIBOOT #include "efiboot.h" #include "biosdisk.h" #include "efidisk.h" #undef DEBUG /* XXX */ #endif #define BOOT_NARGS 6 #ifndef PAGE_SIZE #define PAGE_SIZE 4096 #endif #define MODULE_WARNING_SEC 5 #define MAXMODNAME 32 /* from */ extern struct btinfo_console btinfo_console; extern struct btinfo_rootdevice bi_root; boot_module_t *boot_modules; bool boot_modules_enabled = true; bool kernel_loaded; typedef struct userconf_command { char *uc_text; size_t uc_len; struct userconf_command *uc_next; } userconf_command_t; userconf_command_t *userconf_commands = NULL; struct btinfo_framebuffer btinfo_framebuffer; struct btinfo_modulelist *btinfo_modulelist; static size_t btinfo_modulelist_size; static uint32_t image_end; static char module_base[64] = "/"; static int howto; static struct btinfo_userconfcommands *btinfo_userconfcommands = NULL; static size_t btinfo_userconfcommands_size = 0; static void module_init(const char *); static void module_add_common(const char *, uint8_t); static void userconf_init(void); static void extract_device(const char *, char *, size_t); static void module_base_path(char *, size_t, const char *); static int module_open(boot_module_t *, int, const char *, const char *, bool); void framebuffer_configure(struct btinfo_framebuffer *fb) { if (fb) btinfo_framebuffer = *fb; else { btinfo_framebuffer.physaddr = 0; btinfo_framebuffer.flags = 0; } } void module_add(char *name) { return module_add_common(name, BM_TYPE_KMOD); } void splash_add(char *name) { return module_add_common(name, BM_TYPE_IMAGE); } void rnd_add(char *name) { return module_add_common(name, BM_TYPE_RND); } void fs_add(char *name) { return module_add_common(name, BM_TYPE_FS); } /* * Add a /-separated list of module names to the boot list */ void module_add_split(const char *name, uint8_t type) { char mod_name[MAXMODNAME]; int i; const char *mp = name; char *ep; while (*mp) { /* scan list of module names */ i = MAXMODNAME; ep = mod_name; while (--i) { /* scan for end of first name */ *ep = *mp; if (*ep == '/') /* NUL-terminate the name */ *ep = '\0'; if (*ep == 0 ) { /* add non-empty name */ if (ep != mod_name) module_add_common(mod_name, type); break; } ep++; mp++; } if (*ep != 0) { printf("module name too long\n"); return; } if (*mp == '/') { /* skip separator if more */ mp++; } } } static void module_add_common(const char *name, uint8_t type) { boot_module_t *bm, *bmp; size_t len; char *str; while (*name == ' ' || *name == '\t') ++name; for (bm = boot_modules; bm != NULL; bm = bm->bm_next) if (bm->bm_type == type && strcmp(bm->bm_path, name) == 0) return; bm = alloc(sizeof(boot_module_t)); len = strlen(name) + 1; str = alloc(len); if (bm == NULL || str == NULL) { printf("couldn't allocate module\n"); return; } memcpy(str, name, len); bm->bm_path = str; bm->bm_next = NULL; bm->bm_type = type; if (boot_modules == NULL) boot_modules = bm; else { for (bmp = boot_modules; bmp->bm_next; bmp = bmp->bm_next) ; bmp->bm_next = bm; } } void userconf_add(char *cmd) { userconf_command_t *uc; size_t len; char *text; while (*cmd == ' ' || *cmd == '\t') ++cmd; uc = alloc(sizeof(*uc)); if (uc == NULL) { printf("couldn't allocate command\n"); return; } len = strlen(cmd) + 1; text = alloc(len); if (text == NULL) { dealloc(uc, sizeof(*uc)); printf("couldn't allocate command\n"); return; } memcpy(text, cmd, len); uc->uc_text = text; uc->uc_len = len; uc->uc_next = NULL; if (userconf_commands == NULL) userconf_commands = uc; else { userconf_command_t *ucp; for (ucp = userconf_commands; ucp->uc_next != NULL; ucp = ucp->uc_next) ; ucp->uc_next = uc; } } struct btinfo_prekern bi_prekern; int has_prekern = 0; static int common_load_prekern(const char *file, u_long *basemem, u_long *extmem, physaddr_t loadaddr, int floppy, u_long marks[MARK_MAX]) { paddr_t kernpa_start, kernpa_end; char prekernpath[] = "/prekern"; u_long prekern_start; int fd, flags; *extmem = getextmem(); *basemem = getbasemem(); marks[MARK_START] = loadaddr; /* Load the prekern (static) */ flags = LOAD_KERNEL & ~(LOAD_HDR|LOAD_SYM); if ((fd = loadfile(prekernpath, marks, flags)) == -1) return errno; close(fd); prekern_start = marks[MARK_START]; /* The kernel starts at 2MB. */ marks[MARK_START] = loadaddr; marks[MARK_END] = loadaddr + (1UL << 21); kernpa_start = (1UL << 21); /* Load the kernel (dynamic) */ flags = (LOAD_KERNEL | LOAD_DYN) & ~(floppy ? LOAD_BACKWARDS : 0); if ((fd = loadfile(file, marks, flags)) == -1) return errno; close(fd); kernpa_end = marks[MARK_END] - loadaddr; /* If the root fs type is unusual, load its module. */ if (fsmod != NULL) module_add_split(fsmod, BM_TYPE_KMOD); bi_prekern.kernpa_start = kernpa_start; bi_prekern.kernpa_end = kernpa_end; BI_ADD(&bi_prekern, BTINFO_PREKERN, sizeof(struct btinfo_prekern)); /* * Gather some information for the kernel. Do this after the * "point of no return" to avoid memory leaks. */ #ifdef PASS_BIOSGEOM bi_getbiosgeom(); #endif #ifdef PASS_MEMMAP bi_getmemmap(); #endif marks[MARK_START] = prekern_start; marks[MARK_END] = (((u_long)marks[MARK_END] + sizeof(int) - 1)) & (-sizeof(int)); image_end = marks[MARK_END]; kernel_loaded = true; return 0; } static int common_load_kernel(const char *file, u_long *basemem, u_long *extmem, physaddr_t loadaddr, int floppy, u_long marks[MARK_MAX]) { int fd; *extmem = getextmem(); *basemem = getbasemem(); marks[MARK_START] = loadaddr; if ((fd = loadfile(file, marks, LOAD_KERNEL & ~(floppy ? LOAD_BACKWARDS : 0))) == -1) return errno; close(fd); /* If the root fs type is unusual, load its module. */ if (fsmod != NULL) module_add_split(fsmod, BM_TYPE_KMOD); /* * Gather some information for the kernel. Do this after the * "point of no return" to avoid memory leaks. */ #ifdef PASS_BIOSGEOM bi_getbiosgeom(); #endif #ifdef PASS_MEMMAP bi_getmemmap(); #endif marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) & (-sizeof(int)); image_end = marks[MARK_END]; kernel_loaded = true; return 0; } int exec_netbsd(const char *file, physaddr_t loadaddr, int boothowto, int floppy, void (*callback)(void)) { uint32_t boot_argv[BOOT_NARGS]; u_long marks[MARK_MAX]; struct btinfo_symtab btinfo_symtab; u_long extmem; u_long basemem; u_long entry; int error; #ifdef EFIBOOT int i; #endif #ifdef DEBUG printf("exec: file=%s loadaddr=0x%lx\n", file ? file : "NULL", loadaddr); #endif BI_ALLOC(BTINFO_MAX); BI_ADD(&btinfo_console, BTINFO_CONSOLE, sizeof(struct btinfo_console)); if (bi_root.devname[0]) BI_ADD(&bi_root, BTINFO_ROOTDEVICE, sizeof(struct btinfo_rootdevice)); howto = boothowto; memset(marks, 0, sizeof(marks)); if (has_prekern) { error = common_load_prekern(file, &basemem, &extmem, loadaddr, floppy, marks); } else { error = common_load_kernel(file, &basemem, &extmem, loadaddr, floppy, marks); } if (error) { errno = error; goto out; } #ifdef EFIBOOT BI_ADD(&bi_disk, BTINFO_BOOTDISK, sizeof(bi_disk)); BI_ADD(&bi_wedge, BTINFO_BOOTWEDGE, sizeof(bi_wedge)); efidisk_getbiosgeom(); efi_load_start = marks[MARK_START]; /* adjust to the real load address */ marks[MARK_START] -= efi_loadaddr; marks[MARK_ENTRY] -= efi_loadaddr; marks[MARK_DATA] -= efi_loadaddr; /* MARK_NSYM */ marks[MARK_SYM] -= efi_loadaddr; marks[MARK_END] -= efi_loadaddr; #endif boot_argv[0] = boothowto; boot_argv[1] = 0; boot_argv[2] = vtophys(bootinfo); /* old cyl offset */ boot_argv[3] = marks[MARK_END]; boot_argv[4] = extmem; boot_argv[5] = basemem; /* pull in any modules if necessary */ if (boot_modules_enabled) { module_init(file); if (btinfo_modulelist) { #ifdef EFIBOOT /* convert module loaded address to paddr */ struct bi_modulelist_entry *bim; bim = (void *)(btinfo_modulelist + 1); for (i = 0; i < btinfo_modulelist->num; i++, bim++) bim->base -= efi_loadaddr; btinfo_modulelist->endpa -= efi_loadaddr; #endif BI_ADD(btinfo_modulelist, BTINFO_MODULELIST, btinfo_modulelist_size); } } userconf_init(); if (btinfo_userconfcommands != NULL) BI_ADD(btinfo_userconfcommands, BTINFO_USERCONFCOMMANDS, btinfo_userconfcommands_size); #ifdef DEBUG printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n", marks[MARK_ENTRY], marks[MARK_NSYM], marks[MARK_SYM], marks[MARK_END]); #endif btinfo_symtab.nsym = marks[MARK_NSYM]; btinfo_symtab.ssym = marks[MARK_SYM]; btinfo_symtab.esym = marks[MARK_END]; BI_ADD(&btinfo_symtab, BTINFO_SYMTAB, sizeof(struct btinfo_symtab)); /* set new video mode if necessary */ vbe_commit(); BI_ADD(&btinfo_framebuffer, BTINFO_FRAMEBUFFER, sizeof(struct btinfo_framebuffer)); if (callback != NULL) (*callback)(); entry = marks[MARK_ENTRY]; #ifdef EFIBOOT /* Copy bootinfo to safe arena. */ for (i = 0; i < bootinfo->nentries; i++) { struct btinfo_common *bi = (void *)(u_long)bootinfo->entry[i]; char *p = alloc(bi->len); memcpy(p, bi, bi->len); bootinfo->entry[i] = vtophys(p); } efi_kernel_start = marks[MARK_START]; efi_kernel_size = image_end - (efi_loadaddr + efi_kernel_start); switch (efi_reloc_type) { case RELOC_NONE: entry += (efi_load_start - efi_kernel_start); efi_kernel_start = efi_load_start; break; case RELOC_ADDR: entry += (efi_kernel_reloc - efi_kernel_start); efi_kernel_start = efi_kernel_reloc; break; case RELOC_DEFAULT: default: break; } #endif startprog(entry, BOOT_NARGS, boot_argv, x86_trunc_page(basemem * 1024)); panic("exec returned"); out: BI_FREE(); bootinfo = NULL; return -1; } static void extract_device(const char *path, char *buf, size_t buflen) { size_t i; if (strchr(path, ':') != NULL) { for (i = 0; i < buflen - 2 && path[i] != ':'; i++) buf[i] = path[i]; buf[i++] = ':'; buf[i] = '\0'; } else buf[0] = '\0'; } static const char * module_path(boot_module_t *bm, const char *kdev, const char *base_path) { static char buf[256]; char name_buf[256], dev_buf[64]; const char *name, *name2, *p; name = bm->bm_path; for (name2 = name; *name2; ++name2) { if (*name2 == ' ' || *name2 == '\t') { strlcpy(name_buf, name, sizeof(name_buf)); if ((uintptr_t)name2 - (uintptr_t)name < sizeof(name_buf)) name_buf[name2 - name] = '\0'; name = name_buf; break; } } if ((p = strchr(name, ':')) != NULL) { /* device specified, use it */ if (p[1] == '/') snprintf(buf, sizeof(buf), "%s", name); else { p++; extract_device(name, dev_buf, sizeof(dev_buf)); snprintf(buf, sizeof(buf), "%s%s/%s/%s.kmod", dev_buf, base_path, p, p); } } else { /* device not specified; load from kernel device if known */ if (name[0] == '/') snprintf(buf, sizeof(buf), "%s%s", kdev, name); else snprintf(buf, sizeof(buf), "%s%s/%s/%s.kmod", kdev, base_path, name, name); } return buf; } static int module_open(boot_module_t *bm, int mode, const char *kdev, const char *base_path, bool doload) { int fd; const char *path; /* check the expanded path first */ path = module_path(bm, kdev, base_path); fd = open(path, mode); if (fd != -1) { if ((howto & AB_SILENT) == 0 && doload) printf("Loading %s ", path); } else { /* now attempt the raw path provided */ fd = open(bm->bm_path, mode); if (fd != -1 && (howto & AB_SILENT) == 0 && doload) printf("Loading %s ", bm->bm_path); } if (!doload && fd == -1) { printf("WARNING: couldn't open %s", bm->bm_path); if (strcmp(bm->bm_path, path) != 0) printf(" (%s)", path); printf("\n"); } return fd; } static void module_base_path(char *buf, size_t bufsize, const char *kernel_path) { #ifdef KERNEL_DIR /* we cheat here, because %.* does not work with the mini printf */ char *ptr = strrchr(kernel_path, '/'); if (ptr) *ptr = '\0'; snprintf(buf, bufsize, "%s/modules", kernel_path); if (ptr) *ptr = '/'; #else const char *machine; switch (netbsd_elf_class) { case ELFCLASS32: machine = "i386"; break; case ELFCLASS64: machine = "amd64"; break; default: machine = "generic"; break; } if (netbsd_version / 1000000 % 100 == 99) { /* -current */ snprintf(buf, bufsize, "/stand/%s/%d.%d.%d/modules", machine, netbsd_version / 100000000, netbsd_version / 1000000 % 100, netbsd_version / 100 % 10000); } else if (netbsd_version != 0) { /* release */ snprintf(buf, bufsize, "/stand/%s/%d.%d/modules", machine, netbsd_version / 100000000, netbsd_version / 1000000 % 100); } #endif } static void module_init(const char *kernel_path) { struct bi_modulelist_entry *bi; struct stat st; char kdev[64]; char *buf; boot_module_t *bm; ssize_t len; off_t off; int err, fd, nfail = 0; extract_device(kernel_path, kdev, sizeof(kdev)); module_base_path(module_base, sizeof(module_base), kernel_path); /* First, see which modules are valid and calculate btinfo size */ len = sizeof(struct btinfo_modulelist); for (bm = boot_modules; bm; bm = bm->bm_next) { fd = module_open(bm, 0, kdev, module_base, false); if (fd == -1) { bm->bm_len = -1; ++nfail; continue; } err = fstat(fd, &st); if (err == -1 || st.st_size == -1) { printf("WARNING: couldn't stat %s\n", bm->bm_path); close(fd); bm->bm_len = -1; ++nfail; continue; } bm->bm_len = st.st_size; close(fd); len += sizeof(struct bi_modulelist_entry); } /* Allocate the module list */ btinfo_modulelist = alloc(len); if (btinfo_modulelist == NULL) { printf("WARNING: couldn't allocate module list\n"); wait_sec(MODULE_WARNING_SEC); return; } memset(btinfo_modulelist, 0, len); btinfo_modulelist_size = len; /* Fill in btinfo structure */ buf = (char *)btinfo_modulelist; btinfo_modulelist->num = 0; off = sizeof(struct btinfo_modulelist); for (bm = boot_modules; bm; bm = bm->bm_next) { if (bm->bm_len == -1) continue; fd = module_open(bm, 0, kdev, module_base, true); if (fd == -1) continue; image_end = (image_end + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1); len = pread(fd, (void *)(uintptr_t)image_end, SSIZE_MAX); if (len < bm->bm_len) { if ((howto & AB_SILENT) != 0) printf("Loading %s ", bm->bm_path); printf(" FAILED\n"); } else { btinfo_modulelist->num++; bi = (struct bi_modulelist_entry *)(buf + off); off += sizeof(struct bi_modulelist_entry); strncpy(bi->path, bm->bm_path, sizeof(bi->path) - 1); bi->base = image_end; bi->len = len; switch (bm->bm_type) { case BM_TYPE_KMOD: bi->type = BI_MODULE_ELF; break; case BM_TYPE_IMAGE: bi->type = BI_MODULE_IMAGE; break; case BM_TYPE_FS: bi->type = BI_MODULE_FS; break; case BM_TYPE_RND: default: /* safest -- rnd checks the sha1 */ bi->type = BI_MODULE_RND; break; } if ((howto & AB_SILENT) == 0) printf(" \n"); } if (len > 0) image_end += len; close(fd); } btinfo_modulelist->endpa = image_end; if (nfail > 0) { printf("WARNING: %d module%s failed to load\n", nfail, nfail == 1 ? "" : "s"); #if notyet wait_sec(MODULE_WARNING_SEC); #endif } } static void userconf_init(void) { size_t count, len; userconf_command_t *uc; char *buf; off_t off; /* Calculate the userconf commands list size */ count = 0; for (uc = userconf_commands; uc != NULL; uc = uc->uc_next) count++; len = sizeof(*btinfo_userconfcommands) + count * sizeof(struct bi_userconfcommand); /* Allocate the userconf commands list */ btinfo_userconfcommands = alloc(len); if (btinfo_userconfcommands == NULL) { printf("WARNING: couldn't allocate userconf commands list\n"); return; } memset(btinfo_userconfcommands, 0, len); btinfo_userconfcommands_size = len; /* Fill in btinfo structure */ buf = (char *)btinfo_userconfcommands; off = sizeof(*btinfo_userconfcommands); btinfo_userconfcommands->num = 0; for (uc = userconf_commands; uc != NULL; uc = uc->uc_next) { struct bi_userconfcommand *bi; bi = (struct bi_userconfcommand *)(buf + off); strncpy(bi->text, uc->uc_text, sizeof(bi->text) - 1); off += sizeof(*bi); btinfo_userconfcommands->num++; } } int exec_multiboot(const char *file, char *args) { physaddr_t loadaddr = 0; u_long marks[MARK_MAX]; u_long extmem; u_long basemem; struct multiboot_package *mbp = NULL; #ifndef NO_MULTIBOOT2 if ((mbp = probe_multiboot2(file)) != NULL) goto is_multiboot; #endif if ((mbp = probe_multiboot1(file)) != NULL) { #ifdef EFIBOOT printf("EFI boot requires multiboot 2 kernel\n"); goto out; #else goto is_multiboot; #endif } #ifndef NO_MULTIBOOT2 printf("%s is not a multiboot kernel\n", file); #else printf("%s is not a multiboot 1 kernel " "(multiboot 2 support is not built in)\n", file); #endif goto out; is_multiboot: #ifdef EFIBOOT loadaddr = efi_loadaddr; #endif if (common_load_kernel(file, &basemem, &extmem, loadaddr, 0, marks)) goto out; if (boot_modules_enabled) module_init(file); mbp->mbp_args = args; mbp->mbp_basemem = basemem; mbp->mbp_extmem = extmem; mbp->mbp_loadaddr = loadaddr; mbp->mbp_marks = marks; /* Only returns on error */ (void)mbp->mbp_exec(mbp); out: if (mbp != NULL) mbp->mbp_cleanup(mbp); return -1; } void x86_progress(const char *fmt, ...) { va_list ap; if ((howto & AB_SILENT) != 0) return; va_start(ap, fmt); vprintf(fmt, ap); va_end(ap); }