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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * (C) Copyright 2000-2009
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- */
- #ifndef _BOOTM_H
- #define _BOOTM_H
- #include <image.h>
- struct cmd_tbl;
- #define BOOTM_ERR_RESET (-1)
- #define BOOTM_ERR_OVERLAP (-2)
- #define BOOTM_ERR_UNIMPLEMENTED (-3)
- /*
- * Continue booting an OS image; caller already has:
- * - copied image header to global variable `header'
- * - checked header magic number, checksums (both header & image),
- * - verified image architecture (PPC) and type (KERNEL or MULTI),
- * - loaded (first part of) image to header load address,
- * - disabled interrupts.
- *
- * @flag: Flags indicating what to do (BOOTM_STATE_...)
- * @argc: Number of arguments. Note that the arguments are shifted down
- * so that 0 is the first argument not processed by U-Boot, and
- * argc is adjusted accordingly. This avoids confusion as to how
- * many arguments are available for the OS.
- * @images: Pointers to os/initrd/fdt
- * Return: 1 on error. On success the OS boots so this function does
- * not return.
- */
- typedef int boot_os_fn(int flag, int argc, char *const argv[],
- bootm_headers_t *images);
- extern boot_os_fn do_bootm_linux;
- extern boot_os_fn do_bootm_vxworks;
- int do_bootelf(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
- boot_os_fn *bootm_os_get_boot_func(int os);
- #if defined(CONFIG_FIT_SIGNATURE)
- int bootm_host_load_images(const void *fit, int cfg_noffset);
- #endif
- int boot_selected_os(int argc, char *const argv[], int state,
- bootm_headers_t *images, boot_os_fn *boot_fn);
- ulong bootm_disable_interrupts(void);
- /* This is a special function used by booti/bootz */
- int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
- ulong size);
- int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[], int states, bootm_headers_t *images,
- int boot_progress);
- void arch_preboot_os(void);
- /*
- * boards should define this to disable devices when EFI exits from boot
- * services.
- *
- * TODO(sjg@chromium.org>): Update this to use driver model's device_remove().
- */
- void board_quiesce_devices(void);
- /**
- * switch_to_non_secure_mode() - switch to non-secure mode
- */
- void switch_to_non_secure_mode(void);
- /* Flags to control bootm_process_cmdline() */
- enum bootm_cmdline_t {
- BOOTM_CL_SILENT = 1 << 0, /* Do silent console processing */
- BOOTM_CL_SUBST = 1 << 1, /* Do substitution */
- BOOTM_CL_ALL = 3, /* All substitutions */
- };
- /**
- * arch_preboot_os() - arch specific configuration before booting
- */
- void arch_preboot_os(void);
- /**
- * board_preboot_os() - board specific configuration before booting
- */
- void board_preboot_os(void);
- /*
- * bootm_process_cmdline() - Process fix-ups for the command line
- *
- * This handles:
- *
- * - making Linux boot silently if requested ('silent_linux' envvar)
- * - performing substitutions in the command line ('bootargs_subst' envvar)
- *
- * @maxlen must provide enough space for the string being processed plus the
- * resulting string
- *
- * @buf: buffer holding commandline string to adjust
- * @maxlen: Maximum length of buffer at @buf (including \0)
- * @flags: Flags to control what happens (see bootm_cmdline_t)
- * Return: 0 if OK, -ENOMEM if out of memory, -ENOSPC if the commandline is too
- * long
- */
- int bootm_process_cmdline(char *buf, int maxlen, int flags);
- /**
- * bootm_process_cmdline_env() - Process fix-ups for the command line
- *
- * Updates the 'bootargs' envvar as required. This handles:
- *
- * - making Linux boot silently if requested ('silent_linux' envvar)
- * - performing substitutions in the command line ('bootargs_subst' envvar)
- *
- * @flags: Flags to control what happens (see bootm_cmdline_t)
- * Return: 0 if OK, -ENOMEM if out of memory
- */
- int bootm_process_cmdline_env(int flags);
- #endif
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