vmcore_info.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2
 3#include <linux/vmcore_info.h>
 4#include <linux/mm.h>
 5#include <asm/abs_lowcore.h>
 6#include <asm/sections.h>
 7#include <asm/setup.h>
 8
 9void arch_crash_save_vmcoreinfo(void)
10{
11	struct lowcore *abs_lc;
12
13	VMCOREINFO_SYMBOL(lowcore_ptr);
14	VMCOREINFO_SYMBOL(high_memory);
15	VMCOREINFO_LENGTH(lowcore_ptr, NR_CPUS);
16	vmcoreinfo_append_str("SAMODE31=%lx\n", (unsigned long)__samode31);
17	vmcoreinfo_append_str("EAMODE31=%lx\n", (unsigned long)__eamode31);
18	vmcoreinfo_append_str("IDENTITYBASE=%lx\n", __identity_base);
19	vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
20	vmcoreinfo_append_str("KERNELOFFPHYS=%lx\n", __kaslr_offset_phys);
21	abs_lc = get_abs_lowcore();
22	abs_lc->vmcore_info = paddr_vmcoreinfo_note();
23	put_abs_lowcore(abs_lc);
24}