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This patch adds support for relocating the kernel to a random address. The random kernel offset is obtained from cpacf, using either TRNG, PRNO, or KMC_PRNG, depending on supported MSA level. KERNELOFFSET is added to vmcoreinfo, for crash --kaslr support. Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Reviewed-by: Philipp Rudo <prudo@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
18 lines
471 B
C
18 lines
471 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef BOOT_BOOT_H
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#define BOOT_BOOT_H
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void startup_kernel(void);
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void detect_memory(void);
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void store_ipl_parmblock(void);
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void setup_boot_command_line(void);
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void parse_boot_command_line(void);
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void setup_memory_end(void);
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void print_missing_facilities(void);
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unsigned long get_random_base(unsigned long safe_addr);
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extern int kaslr_enabled;
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unsigned long read_ipl_report(unsigned long safe_offset);
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#endif /* BOOT_BOOT_H */
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