1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2000-2009 3*4882a593Smuzhiyun * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _BOOTM_H 9*4882a593Smuzhiyun #define _BOOTM_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <command.h> 12*4882a593Smuzhiyun #include <image.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define BOOTM_ERR_RESET (-1) 15*4882a593Smuzhiyun #define BOOTM_ERR_OVERLAP (-2) 16*4882a593Smuzhiyun #define BOOTM_ERR_UNIMPLEMENTED (-3) 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* 19*4882a593Smuzhiyun * Continue booting an OS image; caller already has: 20*4882a593Smuzhiyun * - copied image header to global variable `header' 21*4882a593Smuzhiyun * - checked header magic number, checksums (both header & image), 22*4882a593Smuzhiyun * - verified image architecture (PPC) and type (KERNEL or MULTI), 23*4882a593Smuzhiyun * - loaded (first part of) image to header load address, 24*4882a593Smuzhiyun * - disabled interrupts. 25*4882a593Smuzhiyun * 26*4882a593Smuzhiyun * @flag: Flags indicating what to do (BOOTM_STATE_...) 27*4882a593Smuzhiyun * @argc: Number of arguments. Note that the arguments are shifted down 28*4882a593Smuzhiyun * so that 0 is the first argument not processed by U-Boot, and 29*4882a593Smuzhiyun * argc is adjusted accordingly. This avoids confusion as to how 30*4882a593Smuzhiyun * many arguments are available for the OS. 31*4882a593Smuzhiyun * @images: Pointers to os/initrd/fdt 32*4882a593Smuzhiyun * @return 1 on error. On success the OS boots so this function does 33*4882a593Smuzhiyun * not return. 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun typedef int boot_os_fn(int flag, int argc, char * const argv[], 36*4882a593Smuzhiyun bootm_headers_t *images); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun extern boot_os_fn do_bootm_linux; 39*4882a593Smuzhiyun int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 40*4882a593Smuzhiyun void lynxkdi_boot(image_header_t *hdr); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun boot_os_fn *bootm_os_get_boot_func(int os); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun int bootm_host_load_images(const void *fit, int cfg_noffset, int is_spl); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun int boot_selected_os(int argc, char * const argv[], int state, 47*4882a593Smuzhiyun bootm_headers_t *images, boot_os_fn *boot_fn); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun ulong bootm_disable_interrupts(void); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /* This is a special function used by booti/bootz */ 52*4882a593Smuzhiyun int bootm_find_images(int flag, int argc, char * const argv[]); 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], 55*4882a593Smuzhiyun int states, bootm_headers_t *images, int boot_progress); 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun void arch_preboot_os(uint32_t bootm_state, bootm_headers_t *images); 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun int board_do_bootm(int argc, char * const argv[]); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun /** 62*4882a593Smuzhiyun * bootm_decomp_image() - decompress the operating system 63*4882a593Smuzhiyun * 64*4882a593Smuzhiyun * @comp: Compression algorithm that is used (IH_COMP_...) 65*4882a593Smuzhiyun * @load: Destination load address in U-Boot memory 66*4882a593Smuzhiyun * @image_start Image start address (where we are decompressing from) 67*4882a593Smuzhiyun * @type: OS type (IH_OS_...) 68*4882a593Smuzhiyun * @load_bug: Place to decompress to 69*4882a593Smuzhiyun * @image_buf: Address to decompress from 70*4882a593Smuzhiyun * @image_len: Number of bytes in @image_buf to decompress 71*4882a593Smuzhiyun * @unc_len: Available space for decompression 72*4882a593Smuzhiyun * @return 0 if OK, -ve on error (BOOTM_ERR_...) 73*4882a593Smuzhiyun */ 74*4882a593Smuzhiyun int bootm_decomp_image(int comp, ulong load, ulong image_start, int type, 75*4882a593Smuzhiyun void *load_buf, void *image_buf, ulong image_len, 76*4882a593Smuzhiyun uint unc_len, ulong *load_end); 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun #endif 79