4569e91328
Eliminate 4 of the copies of the arg parsing in /boot/laoder by using boot_parse_cmdline. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D16205
988 lines
25 KiB
C
988 lines
25 KiB
C
/*-
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* Copyright (c) 2008-2010 Rui Paulo
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* Copyright (c) 2006 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/disk.h>
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#include <sys/param.h>
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#include <sys/reboot.h>
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#include <stdint.h>
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#include <stand.h>
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#include <string.h>
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#include <setjmp.h>
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#include <disk.h>
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#include <efi.h>
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#include <efilib.h>
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#include <uuid.h>
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#include <bootstrap.h>
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#include <smbios.h>
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#ifdef EFI_ZFS_BOOT
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#include <libzfs.h>
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#include "efizfs.h"
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#endif
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#include "loader_efi.h"
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struct arch_switch archsw; /* MI/MD interface boundary */
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EFI_GUID acpi = ACPI_TABLE_GUID;
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EFI_GUID acpi20 = ACPI_20_TABLE_GUID;
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EFI_GUID devid = DEVICE_PATH_PROTOCOL;
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EFI_GUID imgid = LOADED_IMAGE_PROTOCOL;
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EFI_GUID mps = MPS_TABLE_GUID;
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EFI_GUID netid = EFI_SIMPLE_NETWORK_PROTOCOL;
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EFI_GUID smbios = SMBIOS_TABLE_GUID;
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EFI_GUID smbios3 = SMBIOS3_TABLE_GUID;
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EFI_GUID dxe = DXE_SERVICES_TABLE_GUID;
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EFI_GUID hoblist = HOB_LIST_TABLE_GUID;
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EFI_GUID lzmadecomp = LZMA_DECOMPRESSION_GUID;
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EFI_GUID mpcore = ARM_MP_CORE_INFO_TABLE_GUID;
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EFI_GUID esrt = ESRT_TABLE_GUID;
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EFI_GUID memtype = MEMORY_TYPE_INFORMATION_TABLE_GUID;
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EFI_GUID debugimg = DEBUG_IMAGE_INFO_TABLE_GUID;
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EFI_GUID fdtdtb = FDT_TABLE_GUID;
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EFI_GUID inputid = SIMPLE_TEXT_INPUT_PROTOCOL;
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/*
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* Number of seconds to wait for a keystroke before exiting with failure
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* in the event no currdev is found. -2 means always break, -1 means
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* never break, 0 means poll once and then reboot, > 0 means wait for
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* that many seconds. "fail_timeout" can be set in the environment as
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* well.
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*/
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static int fail_timeout = 5;
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static bool
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has_keyboard(void)
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{
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EFI_STATUS status;
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EFI_DEVICE_PATH *path;
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EFI_HANDLE *hin, *hin_end, *walker;
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UINTN sz;
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bool retval = false;
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/*
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* Find all the handles that support the SIMPLE_TEXT_INPUT_PROTOCOL and
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* do the typical dance to get the right sized buffer.
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*/
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sz = 0;
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hin = NULL;
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status = BS->LocateHandle(ByProtocol, &inputid, 0, &sz, 0);
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if (status == EFI_BUFFER_TOO_SMALL) {
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hin = (EFI_HANDLE *)malloc(sz);
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status = BS->LocateHandle(ByProtocol, &inputid, 0, &sz,
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hin);
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if (EFI_ERROR(status))
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free(hin);
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}
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if (EFI_ERROR(status))
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return retval;
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/*
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* Look at each of the handles. If it supports the device path protocol,
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* use it to get the device path for this handle. Then see if that
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* device path matches either the USB device path for keyboards or the
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* legacy device path for keyboards.
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*/
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hin_end = &hin[sz / sizeof(*hin)];
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for (walker = hin; walker < hin_end; walker++) {
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status = BS->HandleProtocol(*walker, &devid, (VOID **)&path);
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if (EFI_ERROR(status))
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continue;
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while (!IsDevicePathEnd(path)) {
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/*
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* Check for the ACPI keyboard node. All PNP3xx nodes
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* are keyboards of different flavors. Note: It is
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* unclear of there's always a keyboard node when
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* there's a keyboard controller, or if there's only one
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* when a keyboard is detected at boot.
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*/
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if (DevicePathType(path) == ACPI_DEVICE_PATH &&
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(DevicePathSubType(path) == ACPI_DP ||
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DevicePathSubType(path) == ACPI_EXTENDED_DP)) {
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ACPI_HID_DEVICE_PATH *acpi;
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acpi = (ACPI_HID_DEVICE_PATH *)(void *)path;
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if ((EISA_ID_TO_NUM(acpi->HID) & 0xff00) == 0x300 &&
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(acpi->HID & 0xffff) == PNP_EISA_ID_CONST) {
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retval = true;
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goto out;
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}
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/*
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* Check for USB keyboard node, if present. Unlike a
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* PS/2 keyboard, these definitely only appear when
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* connected to the system.
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*/
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} else if (DevicePathType(path) == MESSAGING_DEVICE_PATH &&
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DevicePathSubType(path) == MSG_USB_CLASS_DP) {
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USB_CLASS_DEVICE_PATH *usb;
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usb = (USB_CLASS_DEVICE_PATH *)(void *)path;
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if (usb->DeviceClass == 3 && /* HID */
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usb->DeviceSubClass == 1 && /* Boot devices */
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usb->DeviceProtocol == 1) { /* Boot keyboards */
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retval = true;
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goto out;
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}
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}
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path = NextDevicePathNode(path);
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}
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}
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out:
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free(hin);
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return retval;
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}
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static void
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set_currdev_devdesc(struct devdesc *currdev)
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{
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const char *devname;
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devname = efi_fmtdev(currdev);
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printf("Setting currdev to %s\n", devname);
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env_setenv("currdev", EV_VOLATILE, devname, efi_setcurrdev, env_nounset);
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env_setenv("loaddev", EV_VOLATILE, devname, env_noset, env_nounset);
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}
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static void
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set_currdev_devsw(struct devsw *dev, int unit)
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{
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struct devdesc currdev;
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currdev.d_dev = dev;
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currdev.d_unit = unit;
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set_currdev_devdesc(&currdev);
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}
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static void
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set_currdev_pdinfo(pdinfo_t *dp)
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{
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/*
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* Disks are special: they have partitions. if the parent
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* pointer is non-null, we're a partition not a full disk
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* and we need to adjust currdev appropriately.
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*/
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if (dp->pd_devsw->dv_type == DEVT_DISK) {
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struct disk_devdesc currdev;
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currdev.dd.d_dev = dp->pd_devsw;
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if (dp->pd_parent == NULL) {
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currdev.dd.d_unit = dp->pd_unit;
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currdev.d_slice = -1;
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currdev.d_partition = -1;
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} else {
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currdev.dd.d_unit = dp->pd_parent->pd_unit;
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currdev.d_slice = dp->pd_unit;
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currdev.d_partition = 255; /* Assumes GPT */
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}
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set_currdev_devdesc((struct devdesc *)&currdev);
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} else {
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set_currdev_devsw(dp->pd_devsw, dp->pd_unit);
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}
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}
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static bool
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sanity_check_currdev(void)
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{
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struct stat st;
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return (stat("/boot/defaults/loader.conf", &st) == 0 ||
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stat("/boot/kernel/kernel", &st) == 0);
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}
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#ifdef EFI_ZFS_BOOT
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static bool
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probe_zfs_currdev(uint64_t guid)
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{
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char *devname;
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struct zfs_devdesc currdev;
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currdev.dd.d_dev = &zfs_dev;
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currdev.dd.d_unit = 0;
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currdev.pool_guid = guid;
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currdev.root_guid = 0;
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set_currdev_devdesc((struct devdesc *)&currdev);
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devname = efi_fmtdev(&currdev);
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init_zfs_bootenv(devname);
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return (sanity_check_currdev());
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}
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#endif
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static bool
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try_as_currdev(pdinfo_t *hd, pdinfo_t *pp)
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{
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uint64_t guid;
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#ifdef EFI_ZFS_BOOT
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/*
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* If there's a zpool on this device, try it as a ZFS
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* filesystem, which has somewhat different setup than all
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* other types of fs due to imperfect loader integration.
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* This all stems from ZFS being both a device (zpool) and
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* a filesystem, plus the boot env feature.
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*/
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if (efizfs_get_guid_by_handle(pp->pd_handle, &guid))
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return (probe_zfs_currdev(guid));
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#endif
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/*
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* All other filesystems just need the pdinfo
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* initialized in the standard way.
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*/
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set_currdev_pdinfo(pp);
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return (sanity_check_currdev());
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}
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static int
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find_currdev(EFI_LOADED_IMAGE *img)
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{
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pdinfo_t *dp, *pp;
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EFI_DEVICE_PATH *devpath, *copy;
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EFI_HANDLE h;
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CHAR16 *text;
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struct devsw *dev;
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int unit;
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uint64_t extra;
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#ifdef EFI_ZFS_BOOT
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/*
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* Did efi_zfs_probe() detect the boot pool? If so, use the zpool
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* it found, if it's sane. ZFS is the only thing that looks for
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* disks and pools to boot. This may change in the future, however,
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* if we allow specifying which pool to boot from via UEFI variables
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* rather than the bootenv stuff that FreeBSD uses today.
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*/
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if (pool_guid != 0) {
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printf("Trying ZFS pool\n");
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if (probe_zfs_currdev(pool_guid))
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return (0);
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}
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#endif /* EFI_ZFS_BOOT */
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/*
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* Try to find the block device by its handle based on the
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* image we're booting. If we can't find a sane partition,
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* search all the other partitions of the disk. We do not
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* search other disks because it's a violation of the UEFI
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* boot protocol to do so. We fail and let UEFI go on to
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* the next candidate.
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*/
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dp = efiblk_get_pdinfo_by_handle(img->DeviceHandle);
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if (dp != NULL) {
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text = efi_devpath_name(dp->pd_devpath);
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if (text != NULL) {
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printf("Trying ESP: %S\n", text);
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efi_free_devpath_name(text);
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}
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set_currdev_pdinfo(dp);
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if (sanity_check_currdev())
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return (0);
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if (dp->pd_parent != NULL) {
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dp = dp->pd_parent;
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STAILQ_FOREACH(pp, &dp->pd_part, pd_link) {
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text = efi_devpath_name(pp->pd_devpath);
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if (text != NULL) {
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printf("And now the part: %S\n", text);
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efi_free_devpath_name(text);
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}
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/*
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* Roll up the ZFS special case
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* for those partitions that have
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* zpools on them
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*/
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if (try_as_currdev(dp, pp))
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return (0);
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}
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}
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} else {
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printf("Can't find device by handle\n");
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}
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/*
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* Try the device handle from our loaded image first. If that
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* fails, use the device path from the loaded image and see if
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* any of the nodes in that path match one of the enumerated
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* handles. Currently, this handle list is only for netboot.
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*/
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if (efi_handle_lookup(img->DeviceHandle, &dev, &unit, &extra) == 0) {
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set_currdev_devsw(dev, unit);
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if (sanity_check_currdev())
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return (0);
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}
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copy = NULL;
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devpath = efi_lookup_image_devpath(IH);
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while (devpath != NULL) {
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h = efi_devpath_handle(devpath);
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if (h == NULL)
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break;
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free(copy);
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copy = NULL;
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if (efi_handle_lookup(h, &dev, &unit, &extra) == 0) {
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set_currdev_devsw(dev, unit);
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if (sanity_check_currdev())
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return (0);
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}
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devpath = efi_lookup_devpath(h);
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if (devpath != NULL) {
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copy = efi_devpath_trim(devpath);
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devpath = copy;
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}
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}
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free(copy);
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return (ENOENT);
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}
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static bool
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interactive_interrupt(const char *msg)
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{
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time_t now, then, last;
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last = 0;
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now = then = getsecs();
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printf("%s\n", msg);
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if (fail_timeout == -2) /* Always break to OK */
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return (true);
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if (fail_timeout == -1) /* Never break to OK */
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return (false);
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do {
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if (last != now) {
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printf("press any key to interrupt reboot in %d seconds\r",
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fail_timeout - (int)(now - then));
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last = now;
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}
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/* XXX no pause or timeout wait for char */
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if (ischar())
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return (true);
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now = getsecs();
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} while (now - then < fail_timeout);
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return (false);
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}
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int
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parse_args(int argc, CHAR16 *argv[], bool has_kbd)
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{
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int i, j, howto;
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bool vargood;
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char var[128];
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/*
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* Parse the args to set the console settings, etc
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* boot1.efi passes these in, if it can read /boot.config or /boot/config
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* or iPXE may be setup to pass these in. Or the optional argument in the
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* boot environment was used to pass these arguments in (in which case
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* neither /boot.config nor /boot/config are consulted).
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*
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* Loop through the args, and for each one that contains an '=' that is
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* not the first character, add it to the environment. This allows
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* loader and kernel env vars to be passed on the command line. Convert
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* args from UCS-2 to ASCII (16 to 8 bit) as they are copied (though this
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* method is flawed for non-ASCII characters).
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*/
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howto = 0;
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for (i = 1; i < argc; i++) {
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cpy16to8(argv[i], var, sizeof(var));
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howto |= boot_parse_arg(var);
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}
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return (howto);
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}
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EFI_STATUS
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main(int argc, CHAR16 *argv[])
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{
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EFI_GUID *guid;
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int howto, i;
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UINTN k;
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bool has_kbd;
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char *s;
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EFI_DEVICE_PATH *imgpath;
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CHAR16 *text;
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EFI_STATUS status;
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UINT16 boot_current;
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size_t sz;
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UINT16 boot_order[100];
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EFI_LOADED_IMAGE *img;
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archsw.arch_autoload = efi_autoload;
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archsw.arch_getdev = efi_getdev;
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archsw.arch_copyin = efi_copyin;
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archsw.arch_copyout = efi_copyout;
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archsw.arch_readin = efi_readin;
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#ifdef EFI_ZFS_BOOT
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/* Note this needs to be set before ZFS init. */
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archsw.arch_zfs_probe = efi_zfs_probe;
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#endif
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/* Get our loaded image protocol interface structure. */
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BS->HandleProtocol(IH, &imgid, (VOID**)&img);
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#ifdef EFI_ZFS_BOOT
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/* Tell ZFS probe code where we booted from */
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efizfs_set_preferred(img->DeviceHandle);
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#endif
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/* Init the time source */
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efi_time_init();
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has_kbd = has_keyboard();
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/*
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* XXX Chicken-and-egg problem; we want to have console output
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* early, but some console attributes may depend on reading from
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* eg. the boot device, which we can't do yet. We can use
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* printf() etc. once this is done.
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*/
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cons_probe();
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/*
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* Initialise the block cache. Set the upper limit.
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*/
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bcache_init(32768, 512);
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howto = parse_args(argc, argv, has_kbd);
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bootenv_set(howto);
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/*
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* XXX we need fallback to this stuff after looking at the ConIn, ConOut and ConErr variables
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*/
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if (howto & RB_MULTIPLE) {
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if (howto & RB_SERIAL)
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setenv("console", "comconsole efi" , 1);
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else
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setenv("console", "efi comconsole" , 1);
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} else if (howto & RB_SERIAL) {
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setenv("console", "comconsole" , 1);
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} else
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setenv("console", "efi", 1);
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if (efi_copy_init()) {
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printf("failed to allocate staging area\n");
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return (EFI_BUFFER_TOO_SMALL);
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}
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if ((s = getenv("fail_timeout")) != NULL)
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fail_timeout = strtol(s, NULL, 10);
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/*
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* Scan the BLOCK IO MEDIA handles then
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* march through the device switch probing for things.
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*/
|
|
if ((i = efipart_inithandles()) == 0) {
|
|
for (i = 0; devsw[i] != NULL; i++)
|
|
if (devsw[i]->dv_init != NULL)
|
|
(devsw[i]->dv_init)();
|
|
} else
|
|
printf("efipart_inithandles failed %d, expect failures", i);
|
|
|
|
printf("Command line arguments:");
|
|
for (i = 0; i < argc; i++)
|
|
printf(" %S", 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: %S (rev %d.%02d)\n", ST->FirmwareVendor,
|
|
ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
|
|
|
|
printf("\n%s", bootprog_info);
|
|
|
|
/* Determine the devpath of our image so we can prefer it. */
|
|
text = efi_devpath_name(img->FilePath);
|
|
if (text != NULL) {
|
|
printf(" Load Path: %S\n", text);
|
|
efi_setenv_freebsd_wcs("LoaderPath", text);
|
|
efi_free_devpath_name(text);
|
|
}
|
|
|
|
status = BS->HandleProtocol(img->DeviceHandle, &devid, (void **)&imgpath);
|
|
if (status == EFI_SUCCESS) {
|
|
text = efi_devpath_name(imgpath);
|
|
if (text != NULL) {
|
|
printf(" Load Device: %S\n", text);
|
|
efi_setenv_freebsd_wcs("LoaderDev", text);
|
|
efi_free_devpath_name(text);
|
|
}
|
|
}
|
|
|
|
boot_current = 0;
|
|
sz = sizeof(boot_current);
|
|
efi_global_getenv("BootCurrent", &boot_current, &sz);
|
|
printf(" BootCurrent: %04x\n", boot_current);
|
|
|
|
sz = sizeof(boot_order);
|
|
efi_global_getenv("BootOrder", &boot_order, &sz);
|
|
printf(" BootOrder:");
|
|
for (i = 0; i < sz / sizeof(boot_order[0]); i++)
|
|
printf(" %04x%s", boot_order[i],
|
|
boot_order[i] == boot_current ? "[*]" : "");
|
|
printf("\n");
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/*
|
|
* Try and find a good currdev based on the image that was booted.
|
|
* It might be desirable here to have a short pause to allow falling
|
|
* through to the boot loader instead of returning instantly to follow
|
|
* the boot protocol and also allow an escape hatch for users wishing
|
|
* to try something different.
|
|
*/
|
|
if (find_currdev(img) != 0)
|
|
if (!interactive_interrupt("Failed to find bootable partition"))
|
|
return (EFI_NOT_FOUND);
|
|
|
|
efi_init_environment();
|
|
setenv("LINES", "24", 1); /* optional */
|
|
|
|
#if !defined(__arm__)
|
|
for (k = 0; k < ST->NumberOfTableEntries; k++) {
|
|
guid = &ST->ConfigurationTable[k].VendorGuid;
|
|
if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) {
|
|
char buf[40];
|
|
|
|
snprintf(buf, sizeof(buf), "%p",
|
|
ST->ConfigurationTable[k].VendorTable);
|
|
setenv("hint.smbios.0.mem", buf, 1);
|
|
smbios_detect(ST->ConfigurationTable[k].VendorTable);
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
interact(); /* doesn't return */
|
|
|
|
return (EFI_SUCCESS); /* keep compiler happy */
|
|
}
|
|
|
|
COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
|
|
|
|
static int
|
|
command_reboot(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; devsw[i] != NULL; ++i)
|
|
if (devsw[i]->dv_cleanup != NULL)
|
|
(devsw[i]->dv_cleanup)();
|
|
|
|
RS->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL);
|
|
|
|
/* NOTREACHED */
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
COMMAND_SET(quit, "quit", "exit the loader", command_quit);
|
|
|
|
static int
|
|
command_quit(int argc, char *argv[])
|
|
{
|
|
exit(0);
|
|
return (CMD_OK);
|
|
}
|
|
|
|
COMMAND_SET(memmap, "memmap", "print memory map", command_memmap);
|
|
|
|
static int
|
|
command_memmap(int argc, char *argv[])
|
|
{
|
|
UINTN sz;
|
|
EFI_MEMORY_DESCRIPTOR *map, *p;
|
|
UINTN key, dsz;
|
|
UINT32 dver;
|
|
EFI_STATUS status;
|
|
int i, ndesc;
|
|
char line[80];
|
|
static char *types[] = {
|
|
"Reserved",
|
|
"LoaderCode",
|
|
"LoaderData",
|
|
"BootServicesCode",
|
|
"BootServicesData",
|
|
"RuntimeServicesCode",
|
|
"RuntimeServicesData",
|
|
"ConventionalMemory",
|
|
"UnusableMemory",
|
|
"ACPIReclaimMemory",
|
|
"ACPIMemoryNVS",
|
|
"MemoryMappedIO",
|
|
"MemoryMappedIOPortSpace",
|
|
"PalCode"
|
|
};
|
|
|
|
sz = 0;
|
|
status = BS->GetMemoryMap(&sz, 0, &key, &dsz, &dver);
|
|
if (status != EFI_BUFFER_TOO_SMALL) {
|
|
printf("Can't determine memory map size\n");
|
|
return (CMD_ERROR);
|
|
}
|
|
map = malloc(sz);
|
|
status = BS->GetMemoryMap(&sz, map, &key, &dsz, &dver);
|
|
if (EFI_ERROR(status)) {
|
|
printf("Can't read memory map\n");
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
ndesc = sz / dsz;
|
|
snprintf(line, sizeof(line), "%23s %12s %12s %8s %4s\n",
|
|
"Type", "Physical", "Virtual", "#Pages", "Attr");
|
|
pager_open();
|
|
if (pager_output(line)) {
|
|
pager_close();
|
|
return (CMD_OK);
|
|
}
|
|
|
|
for (i = 0, p = map; i < ndesc;
|
|
i++, p = NextMemoryDescriptor(p, dsz)) {
|
|
printf("%23s %012jx %012jx %08jx ", types[p->Type],
|
|
(uintmax_t)p->PhysicalStart, (uintmax_t)p->VirtualStart,
|
|
(uintmax_t)p->NumberOfPages);
|
|
if (p->Attribute & EFI_MEMORY_UC)
|
|
printf("UC ");
|
|
if (p->Attribute & EFI_MEMORY_WC)
|
|
printf("WC ");
|
|
if (p->Attribute & EFI_MEMORY_WT)
|
|
printf("WT ");
|
|
if (p->Attribute & EFI_MEMORY_WB)
|
|
printf("WB ");
|
|
if (p->Attribute & EFI_MEMORY_UCE)
|
|
printf("UCE ");
|
|
if (p->Attribute & EFI_MEMORY_WP)
|
|
printf("WP ");
|
|
if (p->Attribute & EFI_MEMORY_RP)
|
|
printf("RP ");
|
|
if (p->Attribute & EFI_MEMORY_XP)
|
|
printf("XP ");
|
|
if (pager_output("\n"))
|
|
break;
|
|
}
|
|
|
|
pager_close();
|
|
return (CMD_OK);
|
|
}
|
|
|
|
COMMAND_SET(configuration, "configuration", "print configuration tables",
|
|
command_configuration);
|
|
|
|
static const char *
|
|
guid_to_string(EFI_GUID *guid)
|
|
{
|
|
static char buf[40];
|
|
|
|
sprintf(buf, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
|
|
guid->Data1, guid->Data2, guid->Data3, guid->Data4[0],
|
|
guid->Data4[1], guid->Data4[2], guid->Data4[3], guid->Data4[4],
|
|
guid->Data4[5], guid->Data4[6], guid->Data4[7]);
|
|
return (buf);
|
|
}
|
|
|
|
static int
|
|
command_configuration(int argc, char *argv[])
|
|
{
|
|
char line[80];
|
|
UINTN i;
|
|
|
|
snprintf(line, sizeof(line), "NumberOfTableEntries=%lu\n",
|
|
(unsigned long)ST->NumberOfTableEntries);
|
|
pager_open();
|
|
if (pager_output(line)) {
|
|
pager_close();
|
|
return (CMD_OK);
|
|
}
|
|
|
|
for (i = 0; i < ST->NumberOfTableEntries; i++) {
|
|
EFI_GUID *guid;
|
|
|
|
printf(" ");
|
|
guid = &ST->ConfigurationTable[i].VendorGuid;
|
|
if (!memcmp(guid, &mps, sizeof(EFI_GUID)))
|
|
printf("MPS Table");
|
|
else if (!memcmp(guid, &acpi, sizeof(EFI_GUID)))
|
|
printf("ACPI Table");
|
|
else if (!memcmp(guid, &acpi20, sizeof(EFI_GUID)))
|
|
printf("ACPI 2.0 Table");
|
|
else if (!memcmp(guid, &smbios, sizeof(EFI_GUID)))
|
|
printf("SMBIOS Table %p",
|
|
ST->ConfigurationTable[i].VendorTable);
|
|
else if (!memcmp(guid, &smbios3, sizeof(EFI_GUID)))
|
|
printf("SMBIOS3 Table");
|
|
else if (!memcmp(guid, &dxe, sizeof(EFI_GUID)))
|
|
printf("DXE Table");
|
|
else if (!memcmp(guid, &hoblist, sizeof(EFI_GUID)))
|
|
printf("HOB List Table");
|
|
else if (!memcmp(guid, &lzmadecomp, sizeof(EFI_GUID)))
|
|
printf("LZMA Compression");
|
|
else if (!memcmp(guid, &mpcore, sizeof(EFI_GUID)))
|
|
printf("ARM MpCore Information Table");
|
|
else if (!memcmp(guid, &esrt, sizeof(EFI_GUID)))
|
|
printf("ESRT Table");
|
|
else if (!memcmp(guid, &memtype, sizeof(EFI_GUID)))
|
|
printf("Memory Type Information Table");
|
|
else if (!memcmp(guid, &debugimg, sizeof(EFI_GUID)))
|
|
printf("Debug Image Info Table");
|
|
else if (!memcmp(guid, &fdtdtb, sizeof(EFI_GUID)))
|
|
printf("FDT Table");
|
|
else
|
|
printf("Unknown Table (%s)", guid_to_string(guid));
|
|
snprintf(line, sizeof(line), " at %p\n",
|
|
ST->ConfigurationTable[i].VendorTable);
|
|
if (pager_output(line))
|
|
break;
|
|
}
|
|
|
|
pager_close();
|
|
return (CMD_OK);
|
|
}
|
|
|
|
|
|
COMMAND_SET(mode, "mode", "change or display EFI text modes", command_mode);
|
|
|
|
static int
|
|
command_mode(int argc, char *argv[])
|
|
{
|
|
UINTN cols, rows;
|
|
unsigned int mode;
|
|
int i;
|
|
char *cp;
|
|
char rowenv[8];
|
|
EFI_STATUS status;
|
|
SIMPLE_TEXT_OUTPUT_INTERFACE *conout;
|
|
extern void HO(void);
|
|
|
|
conout = ST->ConOut;
|
|
|
|
if (argc > 1) {
|
|
mode = strtol(argv[1], &cp, 0);
|
|
if (cp[0] != '\0') {
|
|
printf("Invalid mode\n");
|
|
return (CMD_ERROR);
|
|
}
|
|
status = conout->QueryMode(conout, mode, &cols, &rows);
|
|
if (EFI_ERROR(status)) {
|
|
printf("invalid mode %d\n", mode);
|
|
return (CMD_ERROR);
|
|
}
|
|
status = conout->SetMode(conout, mode);
|
|
if (EFI_ERROR(status)) {
|
|
printf("couldn't set mode %d\n", mode);
|
|
return (CMD_ERROR);
|
|
}
|
|
sprintf(rowenv, "%u", (unsigned)rows);
|
|
setenv("LINES", rowenv, 1);
|
|
HO(); /* set cursor */
|
|
return (CMD_OK);
|
|
}
|
|
|
|
printf("Current mode: %d\n", conout->Mode->Mode);
|
|
for (i = 0; i <= conout->Mode->MaxMode; i++) {
|
|
status = conout->QueryMode(conout, i, &cols, &rows);
|
|
if (EFI_ERROR(status))
|
|
continue;
|
|
printf("Mode %d: %u columns, %u rows\n", i, (unsigned)cols,
|
|
(unsigned)rows);
|
|
}
|
|
|
|
if (i != 0)
|
|
printf("Select a mode with the command \"mode <number>\"\n");
|
|
|
|
return (CMD_OK);
|
|
}
|
|
|
|
#ifdef LOADER_FDT_SUPPORT
|
|
extern int command_fdt_internal(int argc, char *argv[]);
|
|
|
|
/*
|
|
* Since proper fdt command handling function is defined in fdt_loader_cmd.c,
|
|
* and declaring it as extern is in contradiction with COMMAND_SET() macro
|
|
* (which uses static pointer), we're defining wrapper function, which
|
|
* calls the proper fdt handling routine.
|
|
*/
|
|
static int
|
|
command_fdt(int argc, char *argv[])
|
|
{
|
|
|
|
return (command_fdt_internal(argc, argv));
|
|
}
|
|
|
|
COMMAND_SET(fdt, "fdt", "flattened device tree handling", command_fdt);
|
|
#endif
|
|
|
|
/*
|
|
* Chain load another efi loader.
|
|
*/
|
|
static int
|
|
command_chain(int argc, char *argv[])
|
|
{
|
|
EFI_GUID LoadedImageGUID = LOADED_IMAGE_PROTOCOL;
|
|
EFI_HANDLE loaderhandle;
|
|
EFI_LOADED_IMAGE *loaded_image;
|
|
EFI_STATUS status;
|
|
struct stat st;
|
|
struct devdesc *dev;
|
|
char *name, *path;
|
|
void *buf;
|
|
int fd;
|
|
|
|
if (argc < 2) {
|
|
command_errmsg = "wrong number of arguments";
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
name = argv[1];
|
|
|
|
if ((fd = open(name, O_RDONLY)) < 0) {
|
|
command_errmsg = "no such file";
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
if (fstat(fd, &st) < -1) {
|
|
command_errmsg = "stat failed";
|
|
close(fd);
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
status = BS->AllocatePool(EfiLoaderCode, (UINTN)st.st_size, &buf);
|
|
if (status != EFI_SUCCESS) {
|
|
command_errmsg = "failed to allocate buffer";
|
|
close(fd);
|
|
return (CMD_ERROR);
|
|
}
|
|
if (read(fd, buf, st.st_size) != st.st_size) {
|
|
command_errmsg = "error while reading the file";
|
|
(void)BS->FreePool(buf);
|
|
close(fd);
|
|
return (CMD_ERROR);
|
|
}
|
|
close(fd);
|
|
status = BS->LoadImage(FALSE, IH, NULL, buf, st.st_size, &loaderhandle);
|
|
(void)BS->FreePool(buf);
|
|
if (status != EFI_SUCCESS) {
|
|
command_errmsg = "LoadImage failed";
|
|
return (CMD_ERROR);
|
|
}
|
|
status = BS->HandleProtocol(loaderhandle, &LoadedImageGUID,
|
|
(void **)&loaded_image);
|
|
|
|
if (argc > 2) {
|
|
int i, len = 0;
|
|
CHAR16 *argp;
|
|
|
|
for (i = 2; i < argc; i++)
|
|
len += strlen(argv[i]) + 1;
|
|
|
|
len *= sizeof (*argp);
|
|
loaded_image->LoadOptions = argp = malloc (len);
|
|
loaded_image->LoadOptionsSize = len;
|
|
for (i = 2; i < argc; i++) {
|
|
char *ptr = argv[i];
|
|
while (*ptr)
|
|
*(argp++) = *(ptr++);
|
|
*(argp++) = ' ';
|
|
}
|
|
*(--argv) = 0;
|
|
}
|
|
|
|
if (efi_getdev((void **)&dev, name, (const char **)&path) == 0) {
|
|
#ifdef EFI_ZFS_BOOT
|
|
struct zfs_devdesc *z_dev;
|
|
#endif
|
|
struct disk_devdesc *d_dev;
|
|
pdinfo_t *hd, *pd;
|
|
|
|
switch (dev->d_dev->dv_type) {
|
|
#ifdef EFI_ZFS_BOOT
|
|
case DEVT_ZFS:
|
|
z_dev = (struct zfs_devdesc *)dev;
|
|
loaded_image->DeviceHandle =
|
|
efizfs_get_handle_by_guid(z_dev->pool_guid);
|
|
break;
|
|
#endif
|
|
case DEVT_NET:
|
|
loaded_image->DeviceHandle =
|
|
efi_find_handle(dev->d_dev, dev->d_unit);
|
|
break;
|
|
default:
|
|
hd = efiblk_get_pdinfo(dev);
|
|
if (STAILQ_EMPTY(&hd->pd_part)) {
|
|
loaded_image->DeviceHandle = hd->pd_handle;
|
|
break;
|
|
}
|
|
d_dev = (struct disk_devdesc *)dev;
|
|
STAILQ_FOREACH(pd, &hd->pd_part, pd_link) {
|
|
/*
|
|
* d_partition should be 255
|
|
*/
|
|
if (pd->pd_unit == (uint32_t)d_dev->d_slice) {
|
|
loaded_image->DeviceHandle =
|
|
pd->pd_handle;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
dev_cleanup();
|
|
status = BS->StartImage(loaderhandle, NULL, NULL);
|
|
if (status != EFI_SUCCESS) {
|
|
command_errmsg = "StartImage failed";
|
|
free(loaded_image->LoadOptions);
|
|
loaded_image->LoadOptions = NULL;
|
|
status = BS->UnloadImage(loaded_image);
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
return (CMD_ERROR); /* not reached */
|
|
}
|
|
|
|
COMMAND_SET(chain, "chain", "chain load file", command_chain);
|