LXR uboot/include/bootm.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * (C) Copyright 2000-2009
   4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5 */
   6
   7#ifndef _BOOTM_H
   8#define _BOOTM_H
   9
  10#include <command.h>
  11#include <image.h>
  12
  13#define BOOTM_ERR_RESET         (-1)
  14#define BOOTM_ERR_OVERLAP               (-2)
  15#define BOOTM_ERR_UNIMPLEMENTED (-3)
  16
  17/*
  18 *  Continue booting an OS image; caller already has:
  19 *  - copied image header to global variable `header'
  20 *  - checked header magic number, checksums (both header & image),
  21 *  - verified image architecture (PPC) and type (KERNEL or MULTI),
  22 *  - loaded (first part of) image to header load address,
  23 *  - disabled interrupts.
  24 *
  25 * @flag: Flags indicating what to do (BOOTM_STATE_...)
  26 * @argc: Number of arguments. Note that the arguments are shifted down
  27 *       so that 0 is the first argument not processed by U-Boot, and
  28 *       argc is adjusted accordingly. This avoids confusion as to how
  29 *       many arguments are available for the OS.
  30 * @images: Pointers to os/initrd/fdt
  31 * @return 1 on error. On success the OS boots so this function does
  32 * not return.
  33 */
  34typedef int boot_os_fn(int flag, int argc, char * const argv[],
  35                        bootm_headers_t *images);
  36
  37extern boot_os_fn do_bootm_linux;
  38extern boot_os_fn do_bootm_vxworks;
  39
  40int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
  41void lynxkdi_boot(image_header_t *hdr);
  42
  43boot_os_fn *bootm_os_get_boot_func(int os);
  44
  45#if defined(CONFIG_FIT_SIGNATURE)
  46int bootm_host_load_images(const void *fit, int cfg_noffset);
  47#endif
  48
  49int boot_selected_os(int argc, char * const argv[], int state,
  50                     bootm_headers_t *images, boot_os_fn *boot_fn);
  51
  52ulong bootm_disable_interrupts(void);
  53
  54/* This is a special function used by booti/bootz */
  55int bootm_find_images(int flag, int argc, char * const argv[]);
  56
  57int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
  58                    int states, bootm_headers_t *images, int boot_progress);
  59
  60void arch_preboot_os(void);
  61
  62/**
  63 * bootm_decomp_image() - decompress the operating system
  64 *
  65 * @comp:       Compression algorithm that is used (IH_COMP_...)
  66 * @load:       Destination load address in U-Boot memory
  67 * @image_start Image start address (where we are decompressing from)
  68 * @type:       OS type (IH_OS_...)
  69 * @load_bug:   Place to decompress to
  70 * @image_buf:  Address to decompress from
  71 * @image_len:  Number of bytes in @image_buf to decompress
  72 * @unc_len:    Available space for decompression
  73 * @return 0 if OK, -ve on error (BOOTM_ERR_...)
  74 */
  75int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
  76                       void *load_buf, void *image_buf, ulong image_len,
  77                       uint unc_len, ulong *load_end);
  78
  79/*
  80 * boards should define this to disable devices when EFI exits from boot
  81 * services.
  82 *
  83 * TODO(sjg@chromium.org>): Update this to use driver model's device_remove().
  84 */
  85void board_quiesce_devices(void);
  86
  87/**
  88 * switch_to_non_secure_mode() - switch to non-secure mode
  89 */
  90void switch_to_non_secure_mode(void);
  91
  92#endif
  93