EFI_STATUS main(int argc, CHAR16 *argv[]) { char var[128]; EFI_LOADED_IMAGE *img; EFI_GUID *guid; int i, j, vargood; /* * XXX Chicken-and-egg problem; we want to have console output * early, but some console attributes may depend on reading from * eg. the boot device, which we can't do yet. We can use * printf() etc. once this is done. */ cons_probe(); /* * Loop through the args, and for each one that contains an '=' that is * not the first character, add it to the environment. This allows * loader and kernel env vars to be passed on the command line. Convert * args from UCS-2 to ASCII (16 to 8 bit) as they are copied. */ for (i = 1; i < argc; i++) { vargood = 0; for (j = 0; argv[i][j] != 0; j++) { if (j == sizeof(var)) { vargood = 0; break; } if (j > 0 && argv[i][j] == '=') vargood = 1; var[j] = (char)argv[i][j]; } if (vargood) { var[j] = 0; putenv(var); } } if (efi_copy_init()) { printf("failed to allocate staging area\n"); return (EFI_BUFFER_TOO_SMALL); } /* * March through the device switch probing for things. */ for (i = 0; devsw[i] != NULL; i++) if (devsw[i]->dv_init != NULL) (devsw[i]->dv_init)(); /* Get our loaded image protocol interface structure. */ BS->HandleProtocol(IH, &imgid, (VOID**)&img); printf("Image base: 0x%lx\n", (u_long)img->ImageBase); printf("EFI version: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff); printf("EFI Firmware: "); /* printf doesn't understand EFI Unicode */ ST->ConOut->OutputString(ST->ConOut, ST->FirmwareVendor); printf(" (rev %d.%02d)\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff); printf("\n"); printf("%s, Revision %s\n", bootprog_name, bootprog_rev); printf("(%s, %s)\n", bootprog_maker, bootprog_date); efi_handle_lookup(img->DeviceHandle, &currdev.d_dev, &currdev.d_unit); currdev.d_type = currdev.d_dev->dv_type; /* * Disable the watchdog timer. By default the boot manager sets * the timer to 5 minutes before invoking a boot option. If we * want to return to the boot manager, we have to disable the * watchdog timer and since we're an interactive program, we don't * want to wait until the user types "quit". The timer may have * fired by then. We don't care if this fails. It does not prevent * normal functioning in any way... */ BS->SetWatchdogTimer(0, 0, 0, NULL); env_setenv("currdev", EV_VOLATILE, efi_fmtdev(&currdev), efi_setcurrdev, env_nounset); env_setenv("loaddev", EV_VOLATILE, efi_fmtdev(&currdev), env_noset, env_nounset); setenv("LINES", "24", 1); /* optional */ archsw.arch_autoload = efi_autoload; archsw.arch_getdev = efi_getdev; archsw.arch_copyin = efi_copyin; archsw.arch_copyout = efi_copyout; archsw.arch_readin = efi_readin; for (i = 0; i < ST->NumberOfTableEntries; i++) { guid = &ST->ConfigurationTable[i].VendorGuid; if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) { smbios_detect(ST->ConfigurationTable[i].VendorTable); break; } } interact(NULL); /* doesn't return */ return (EFI_SUCCESS); /* keep compiler happy */ }
EFI_STATUS main(int argc, CHAR16 *argv[]) { char var[128]; EFI_LOADED_IMAGE *img; EFI_GUID *guid; int i, j, vargood, unit, howto; struct devsw *dev; uint64_t pool_guid; UINTN k; int has_kbd; archsw.arch_autoload = efi_autoload; archsw.arch_getdev = efi_getdev; archsw.arch_copyin = efi_copyin; archsw.arch_copyout = efi_copyout; archsw.arch_readin = efi_readin; #ifdef EFI_ZFS_BOOT /* Note this needs to be set before ZFS init. */ archsw.arch_zfs_probe = efi_zfs_probe; #endif has_kbd = has_keyboard(); /* * XXX Chicken-and-egg problem; we want to have console output * early, but some console attributes may depend on reading from * eg. the boot device, which we can't do yet. We can use * printf() etc. once this is done. */ cons_probe(); /* * Initialise the block cache. Set the upper limit. */ bcache_init(32768, 512); /* * Parse the args to set the console settings, etc * boot1.efi passes these in, if it can read /boot.config or /boot/config * or iPXE may be setup to pass these in. * * Loop through the args, and for each one that contains an '=' that is * not the first character, add it to the environment. This allows * loader and kernel env vars to be passed on the command line. Convert * args from UCS-2 to ASCII (16 to 8 bit) as they are copied. */ howto = 0; for (i = 1; i < argc; i++) { if (argv[i][0] == '-') { for (j = 1; argv[i][j] != 0; j++) { int ch; ch = argv[i][j]; switch (ch) { case 'a': howto |= RB_ASKNAME; break; case 'd': howto |= RB_KDB; break; case 'D': howto |= RB_MULTIPLE; break; case 'h': howto |= RB_SERIAL; break; case 'm': howto |= RB_MUTE; break; case 'p': howto |= RB_PAUSE; break; case 'P': if (!has_kbd) howto |= RB_SERIAL | RB_MULTIPLE; break; case 'r': howto |= RB_DFLTROOT; break; case 's': howto |= RB_SINGLE; break; case 'S': if (argv[i][j + 1] == 0) { if (i + 1 == argc) { setenv("comconsole_speed", "115200", 1); } else { cp16to8(&argv[i + 1][0], var, sizeof(var)); setenv("comconsole_speedspeed", var, 1); } i++; break; } else { cp16to8(&argv[i][j + 1], var, sizeof(var)); setenv("comconsole_speed", var, 1); break; } case 'v': howto |= RB_VERBOSE; break; } } } else { vargood = 0; for (j = 0; argv[i][j] != 0; j++) { if (j == sizeof(var)) { vargood = 0; break; } if (j > 0 && argv[i][j] == '=') vargood = 1; var[j] = (char)argv[i][j]; } if (vargood) { var[j] = 0; putenv(var); } } } for (i = 0; howto_names[i].ev != NULL; i++) if (howto & howto_names[i].mask) setenv(howto_names[i].ev, "YES", 1); if (howto & RB_MULTIPLE) { if (howto & RB_SERIAL) setenv("console", "comconsole efi" , 1); else setenv("console", "efi comconsole" , 1); } else if (howto & RB_SERIAL) { setenv("console", "comconsole" , 1); } if (efi_copy_init()) { printf("failed to allocate staging area\n"); return (EFI_BUFFER_TOO_SMALL); } /* * March through the device switch probing for things. */ for (i = 0; devsw[i] != NULL; i++) if (devsw[i]->dv_init != NULL) (devsw[i]->dv_init)(); /* Get our loaded image protocol interface structure. */ BS->HandleProtocol(IH, &imgid, (VOID**)&img); printf("Command line arguments:"); for (i = 0; i < argc; i++) { printf(" "); print_str16(argv[i]); } printf("\n"); printf("Image base: 0x%lx\n", (u_long)img->ImageBase); printf("EFI version: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff); printf("EFI Firmware: "); /* printf doesn't understand EFI Unicode */ ST->ConOut->OutputString(ST->ConOut, ST->FirmwareVendor); printf(" (rev %d.%02d)\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff); printf("\n"); printf("%s, Revision %s\n", bootprog_name, bootprog_rev); printf("(%s, %s)\n", bootprog_maker, bootprog_date); /* * Disable the watchdog timer. By default the boot manager sets * the timer to 5 minutes before invoking a boot option. If we * want to return to the boot manager, we have to disable the * watchdog timer and since we're an interactive program, we don't * want to wait until the user types "quit". The timer may have * fired by then. We don't care if this fails. It does not prevent * normal functioning in any way... */ BS->SetWatchdogTimer(0, 0, 0, NULL); if (efi_handle_lookup(img->DeviceHandle, &dev, &unit, &pool_guid) != 0) return (EFI_NOT_FOUND); switch (dev->dv_type) { #ifdef EFI_ZFS_BOOT case DEVT_ZFS: { struct zfs_devdesc currdev; currdev.d_dev = dev; currdev.d_unit = unit; currdev.d_type = currdev.d_dev->dv_type; currdev.d_opendata = NULL; currdev.pool_guid = pool_guid; currdev.root_guid = 0; env_setenv("currdev", EV_VOLATILE, efi_fmtdev(&currdev), efi_setcurrdev, env_nounset); env_setenv("loaddev", EV_VOLATILE, efi_fmtdev(&currdev), env_noset, env_nounset); init_zfs_bootenv(zfs_fmtdev(&currdev)); break; } #endif default: { struct devdesc currdev; currdev.d_dev = dev; currdev.d_unit = unit; currdev.d_opendata = NULL; currdev.d_type = currdev.d_dev->dv_type; env_setenv("currdev", EV_VOLATILE, efi_fmtdev(&currdev), efi_setcurrdev, env_nounset); env_setenv("loaddev", EV_VOLATILE, efi_fmtdev(&currdev), env_noset, env_nounset); break; } } setenv("LINES", "24", 1); /* optional */ for (k = 0; k < ST->NumberOfTableEntries; k++) { guid = &ST->ConfigurationTable[k].VendorGuid; if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) { smbios_detect(ST->ConfigurationTable[k].VendorTable); break; } } interact(NULL); /* doesn't return */ return (EFI_SUCCESS); /* keep compiler happy */ }
int main(void) { char *memend; int i; WDEBUG_INIT(); WDEBUG('X'); /* Pick up arguments */ kargs = (void *)__args; initial_howto = kargs->howto; initial_bootdev = kargs->bootdev; initial_bootinfo = kargs->bootinfo ? (struct bootinfo *)PTOV(kargs->bootinfo) : NULL; #ifdef COMCONSOLE_DEBUG printf("args at %p initial_howto = %08x bootdev = %08x bootinfo = %p\n", kargs, initial_howto, initial_bootdev, initial_bootinfo); #endif /* Initialize the v86 register set to a known-good state. */ bzero(&v86, sizeof(v86)); v86.efl = PSL_RESERVED_DEFAULT | PSL_I; /* * Initialize the heap as early as possible. Once this is done, * malloc() is usable. * * Don't include our stack in the heap. If the stack is in low * user memory use {end,bios_basemem}. If the stack is in high * user memory but not extended memory then don't let the heap * overlap the stack. If the stack is in extended memory limit * the heap to bios_basemem. * * Be sure to use the virtual bios_basemem address rather then * the physical bios_basemem address or we may overwrite BIOS * data. */ bios_getmem(); memend = (char *)&memend - 0x8000; /* space for stack (16K) */ memend = (char *)((uintptr_t)memend & ~(uintptr_t)(0x1000 - 1)); /* * For day to day usage simple memend setup is more than engouh, * but bigger heap is a must for loading bzipp'ed kernel/modules * "bzf_read: BZ2_bzDecompress returned -3" */ #if defined(LOADER_BZIP2_SUPPORT) if (high_heap_size > 0) { heap_top = PTOV(high_heap_base + high_heap_size); heap_bottom = PTOV(high_heap_base); if (high_heap_base < memtop_copyin) memtop_copyin = high_heap_base; } else #endif if (memend < (char *)_end) { heap_top = PTOV(bios_basemem); heap_bottom = (void *)_end; } else { if (memend > (char *)PTOV(bios_basemem)) memend = (char *)PTOV(bios_basemem); heap_top = memend; heap_bottom = (void *)_end; } setheap(heap_bottom, heap_top); /* * XXX Chicken-and-egg problem; we want to have console output early, * but some console attributes may depend on reading from eg. the boot * device, which we can't do yet. * * We can use printf() etc. once this is done. The previous boot stage * might have requested a video or serial preference, in which case we * set it. */ bi_setboothowto(initial_howto); if (initial_howto & RB_MUTE) { setenv("console", "nullconsole", 1); } else if ((initial_howto & (RB_VIDEO|RB_SERIAL)) == (RB_VIDEO|RB_SERIAL)) { setenv("console", "vidconsole comconsole", 1); } else if (initial_howto & RB_VIDEO) { setenv("console", "vidconsole", 1); } else if (initial_howto & RB_SERIAL) { setenv("console", "comconsole", 1); } else { /* XXX leave to cons_probe() */ } cons_probe(); /* * Initialise the block cache */ bcache_init(32, 512); /* 16k cache XXX tune this */ /* * Special handling for PXE and CD booting. */ if (kargs->bootinfo == 0) { /* * We only want the PXE disk to try to init itself in the below * walk through devsw if we actually booted off of PXE. */ if (kargs->bootflags & KARGS_FLAGS_PXE) pxe_enable(kargs->pxeinfo ? PTOV(kargs->pxeinfo) : NULL); else if (kargs->bootflags & KARGS_FLAGS_CD) bc_add(initial_bootdev); } archsw.arch_autoload = i386_autoload; archsw.arch_getdev = i386_getdev; archsw.arch_copyin = i386_copyin; archsw.arch_copyout = i386_copyout; archsw.arch_readin = i386_readin; archsw.arch_isainb = isa_inb; archsw.arch_isaoutb = isa_outb; /* * March through the device switch probing for things. */ for (i = 0; devsw[i] != NULL; i++) { WDEBUG('M' + i); if (devsw[i]->dv_init != NULL) (devsw[i]->dv_init)(); WDEBUG('M' + i); } printf("BIOS %dkB/%dkB available memory\n", bios_basemem / 1024, bios_extmem / 1024); if (initial_bootinfo != NULL) { initial_bootinfo->bi_basemem = bios_basemem / 1024; initial_bootinfo->bi_extmem = bios_extmem / 1024; } /* detect ACPI for future reference */ biosacpi_detect(); /* detect SMBIOS for future reference */ smbios_detect(NULL); /* detect PCI BIOS for future reference */ biospci_detect(); /* enable EHCI */ setenv("ehci_load", "YES", 1); /* enable XHCI */ setenv("xhci_load", "YES", 1); printf("\n"); printf("%s, Revision %s\n", bootprog_name, bootprog_rev); printf("(%s, %s)\n", bootprog_maker, bootprog_date); extract_currdev(); /* set $currdev and $loaddev */ setenv("LINES", "24", 1); /* optional */ bios_getsmap(); interact(); /* doesn't return */ /* if we ever get here, it is an error */ return (1); }