diff options
Diffstat (limited to 'arch/s390/kernel/vmcore_info.c')
| -rw-r--r-- | arch/s390/kernel/vmcore_info.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/s390/kernel/vmcore_info.c b/arch/s390/kernel/vmcore_info.c new file mode 100644 index 000000000000..d296dfc22191 --- /dev/null +++ b/arch/s390/kernel/vmcore_info.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/vmcore_info.h> +#include <asm/abs_lowcore.h> +#include <linux/mm.h> +#include <asm/setup.h> + +void arch_crash_save_vmcoreinfo(void) +{ + struct lowcore *abs_lc; + + VMCOREINFO_SYMBOL(lowcore_ptr); + VMCOREINFO_SYMBOL(high_memory); + VMCOREINFO_LENGTH(lowcore_ptr, NR_CPUS); + vmcoreinfo_append_str("SAMODE31=%lx\n", (unsigned long)__samode31); + vmcoreinfo_append_str("EAMODE31=%lx\n", (unsigned long)__eamode31); + vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset()); + abs_lc = get_abs_lowcore(); + abs_lc->vmcore_info = paddr_vmcoreinfo_note(); + put_abs_lowcore(abs_lc); +} |