arch/s390/kernel/vmcore_info.c

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