119 lines
2.5 KiB
C
119 lines
2.5 KiB
C
#ifndef __BOOT_H
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#define __BOOT_H
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#include <image.h>
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#include <filetype.h>
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#include <of.h>
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#include <linux/list.h>
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#include <environment.h>
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struct bootm_data {
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const char *os_file;
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const char *initrd_file;
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const char *oftree_file;
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int verbose;
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bool verify;
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bool force;
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bool dryrun;
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unsigned long initrd_address;
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unsigned long os_address;
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unsigned long os_entry;
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};
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int bootm_boot(struct bootm_data *data);
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struct image_data {
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/* simplest case. barebox has already loaded the os here */
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struct resource *os_res;
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/* if os is an uImage this will be provided */
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struct uimage_handle *os;
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int os_num;
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/* otherwise only the filename will be provided */
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char *os_file;
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/*
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* The address the user wants to load the os image to.
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* May be UIMAGE_INVALID_ADDRESS to indicate that the
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* user has not specified any address. In this case the
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* handler may choose a suitable address
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*/
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unsigned long os_address;
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/* entry point to the os. relative to the start of the image */
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unsigned long os_entry;
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/* if initrd is already loaded this resource will be !NULL */
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struct resource *initrd_res;
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/* if initrd is an uImage this will be provided */
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struct uimage_handle *initrd;
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int initrd_num;
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/* otherwise only the filename will be provided */
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char *initrd_file;
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unsigned long initrd_address;
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char *oftree_file;
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int oftree_num;
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struct device_node *of_root_node;
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struct fdt_header *oftree;
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struct resource *oftree_res;
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int verify;
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int verbose;
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int force;
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int dryrun;
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};
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struct image_handler {
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const char *name;
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struct list_head list;
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int ih_os;
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enum filetype filetype;
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int (*bootm)(struct image_data *data);
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};
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int register_image_handler(struct image_handler *handle);
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#ifdef CONFIG_CMD_BOOTM_VERBOSE
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static inline int bootm_verbose(struct image_data *data)
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{
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return data->verbose;
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}
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#else
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static inline int bootm_verbose(struct image_data *data)
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{
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return 0;
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}
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#endif
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#ifdef CONFIG_FLEXIBLE_BOOTARGS
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const char *linux_bootargs_get(void);
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int linux_bootargs_overwrite(const char *bootargs);
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#else
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static inline const char *linux_bootargs_get(void)
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{
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return getenv("bootargs");
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}
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static inline int linux_bootargs_overwrite(const char *bootargs)
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{
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return setenv("bootargs", bootargs);
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}
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#endif
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int bootm_load_os(struct image_data *data, unsigned long load_address);
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int bootm_load_initrd(struct image_data *data, unsigned long load_address);
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int bootm_load_devicetree(struct image_data *data, unsigned long load_address);
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#define UIMAGE_SOME_ADDRESS (UIMAGE_INVALID_ADDRESS - 1)
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#endif /* __BOOT_H */
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