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081cc19747
Export this function for testing. Also add a parameter so that values other than CONFIG_SYS_BOOTM_LEN can be used for the maximum uncompressed size. Signed-off-by: Simon Glass <sjg@chromium.org>
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*
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* (C) Copyright 2000-2009
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _BOOTM_H
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#define _BOOTM_H
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#include <command.h>
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#include <image.h>
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#define BOOTM_ERR_RESET (-1)
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#define BOOTM_ERR_OVERLAP (-2)
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#define BOOTM_ERR_UNIMPLEMENTED (-3)
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/*
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* Continue booting an OS image; caller already has:
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* - copied image header to global variable `header'
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* - checked header magic number, checksums (both header & image),
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* - verified image architecture (PPC) and type (KERNEL or MULTI),
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* - loaded (first part of) image to header load address,
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* - disabled interrupts.
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*
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* @flag: Flags indicating what to do (BOOTM_STATE_...)
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* @argc: Number of arguments. Note that the arguments are shifted down
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* so that 0 is the first argument not processed by U-Boot, and
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* argc is adjusted accordingly. This avoids confusion as to how
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* many arguments are available for the OS.
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* @images: Pointers to os/initrd/fdt
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* @return 1 on error. On success the OS boots so this function does
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* not return.
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*/
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typedef int boot_os_fn(int flag, int argc, char * const argv[],
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bootm_headers_t *images);
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extern boot_os_fn do_bootm_linux;
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int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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void lynxkdi_boot(image_header_t *hdr);
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boot_os_fn *bootm_os_get_boot_func(int os);
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int bootm_host_load_images(const void *fit, int cfg_noffset);
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int boot_selected_os(int argc, char * const argv[], int state,
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bootm_headers_t *images, boot_os_fn *boot_fn);
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ulong bootm_disable_interrupts(void);
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/* This is a special function used by booti/bootz */
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int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[]);
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int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
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int states, bootm_headers_t *images, int boot_progress);
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void arch_preboot_os(void);
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/**
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* bootm_decomp_image() - decompress the operating system
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*
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* @comp: Compression algorithm that is used (IH_COMP_...)
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* @load: Destination load address in U-Boot memory
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* @image_start Image start address (where we are decompressing from)
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* @type: OS type (IH_OS_...)
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* @load_bug: Place to decompress to
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* @image_buf: Address to decompress from
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* @image_len: Number of bytes in @image_buf to decompress
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* @unc_len: Available space for decompression
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* @return 0 if OK, -ve on error (BOOTM_ERR_...)
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*/
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int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
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void *load_buf, void *image_buf, ulong image_len,
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uint unc_len, ulong *load_end);
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#endif
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