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7c656faa36
In order to allow installing only a list-directed ipl entry, remove the last-table/number-of-tables logic which always required a legacy program table. With the new code there's no longer a loop in prepare_bootloader() which requires a certain start index or order of tables. Signed-off-by: Eduard Shishkin <edward6@linux.ibm.com> Acked-by: Stefan Haberland <sth@linux.ibm.com> Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
/*
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* s390-tools/zipl/include/install.h
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* Functions handling the installation of the boot loader code onto disk.
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*
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* Copyright IBM Corp. 2001, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*
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*/
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#ifndef INSTALL_H
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#define INSTALL_H
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#include "disk.h"
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#include "job.h"
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#include "zipl.h"
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#include "boot/boot_defs.h"
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#define NR_PROGRAM_TABLES NR_BLKPTR_FORMATS
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enum program_component_id {
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COMPONENT_ID_HEAP_AREA,
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COMPONENT_ID_STACK_AREA,
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COMPONENT_ID_LOADER_SIGNATURE,
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COMPONENT_ID_LOADER,
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COMPONENT_ID_PARAMETERS,
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COMPONENT_ID_IMAGE_SIGNATURE,
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COMPONENT_ID_KERNEL_IMAGE,
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COMPONENT_ID_PARMLINE,
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COMPONENT_ID_RAMDISK_SIGNATURE,
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COMPONENT_ID_RAMDISK,
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COMPONENT_ID_ENVBLK,
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COMPONENT_ID_SEGMENT_FILE,
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NR_PROGRAM_COMPONENTS
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};
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struct component_loc {
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address_t addr;
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size_t size;
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};
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struct component_footer {
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component_type type;
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const char *desc;
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};
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struct program_component {
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struct component_loc loc;
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disk_blockptr_t *list;
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blocknum_t count;
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};
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struct program_table {
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disk_blockptr_t table;
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disk_blockptr_t *stage1b_list;
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blocknum_t stage1b_count;
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};
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/* Bootloader Installation Set */
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struct install_set {
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struct program_table tables[NR_PROGRAM_TABLES];
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struct program_component *components[NR_PROGRAM_COMPONENTS];
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int nr_menu_entries;
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int fd;
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char *device;
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char *filename;
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char *dump_mount_point;
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unsigned int dump_tmp_dir_created:1;
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unsigned int dump_mounted:1;
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unsigned int skip_prepare:1;
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unsigned int print_details:1;
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struct disk_info *info;
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disk_blockptr_t scsi_dump_sb_blockptr;
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};
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extern struct component_footer component_footers[NR_PROGRAM_COMPONENTS];
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static inline component_type component_type_by_id(enum program_component_id id)
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{
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return component_footers[id].type;
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}
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static inline const char *component_desc_by_id(enum program_component_id id)
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{
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return component_footers[id].desc;
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}
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static inline struct program_component *get_component(struct install_set *bis,
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int i, int j)
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{
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return bis->components[i] + j;
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}
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int prepare_bootloader(struct job_data *job, struct install_set *bis);
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int install_bootloader(struct job_data *job, struct install_set *bis);
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void free_bootloader(struct install_set *bis);
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int install_tapeloader(const char* device, const char* image,
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const char* parmline, const char* ramdisk,
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address_t image_addr, address_t parm_addr,
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address_t initrd_addr);
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int install_dump(const char* device, struct job_target_data* target,
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uint64_t mem);
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int install_mvdump(char* const device[], struct job_target_data* target,
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int device_count, uint64_t mem, uint8_t force);
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int install_fba_stage1b(int fd, disk_blockptr_t **stage1b_list,
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blocknum_t *stage1b_count, disk_blockptr_t *stage2_list,
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blocknum_t stage2_count, struct disk_info *info);
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int install_eckd_stage1b(int fd, disk_blockptr_t **stage1b_list,
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blocknum_t *stage1b_count,
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disk_blockptr_t *stage2_list,
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blocknum_t stage2_count, struct disk_info *info);
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int rewind_tape(int fd);
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#endif /* INSTALL_H */
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