arch, crash: move arch_crash_save_vmcoreinfo() out to file vmcore_info.c

[linux-2.6-microblaze.git] / arch / s390 / kernel / vmcore_info.c

diff --git a/arch/s390/kernel/vmcore_info.c b/arch/s390/kernel/vmcore_info.c
new file mode 100644 (file)
index 0000000..d296dfc
--- /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);
+}