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Diffstat (limited to 'arch/powerpc/kexec/vmcore_info.c')
-rw-r--r--arch/powerpc/kexec/vmcore_info.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/kexec/vmcore_info.c b/arch/powerpc/kexec/vmcore_info.c
new file mode 100644
index 000000000000..2b65d2adca5e
--- /dev/null
+++ b/arch/powerpc/kexec/vmcore_info.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/vmcore_info.h>
+#include <asm/pgalloc.h>
+
+void arch_crash_save_vmcoreinfo(void)
+{
+
+#ifdef CONFIG_NUMA
+ VMCOREINFO_SYMBOL(node_data);
+ VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
+#endif
+#ifndef CONFIG_NUMA
+ VMCOREINFO_SYMBOL(contig_page_data);
+#endif
+#if defined(CONFIG_PPC64) && defined(CONFIG_SPARSEMEM_VMEMMAP)
+ VMCOREINFO_SYMBOL(vmemmap_list);
+ VMCOREINFO_SYMBOL(mmu_vmemmap_psize);
+ VMCOREINFO_SYMBOL(mmu_psize_defs);
+ VMCOREINFO_STRUCT_SIZE(vmemmap_backing);
+ VMCOREINFO_OFFSET(vmemmap_backing, list);
+ VMCOREINFO_OFFSET(vmemmap_backing, phys);
+ VMCOREINFO_OFFSET(vmemmap_backing, virt_addr);
+ VMCOREINFO_STRUCT_SIZE(mmu_psize_def);
+ VMCOREINFO_OFFSET(mmu_psize_def, shift);
+#endif
+ VMCOREINFO_SYMBOL(cur_cpu_spec);
+ VMCOREINFO_OFFSET(cpu_spec, cpu_features);
+ VMCOREINFO_OFFSET(cpu_spec, mmu_features);
+ vmcoreinfo_append_str("NUMBER(RADIX_MMU)=%d\n", early_radix_enabled());
+ vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
+}