diff options
Diffstat (limited to 'arch/powerpc/kexec/vmcore_info.c')
-rw-r--r-- | arch/powerpc/kexec/vmcore_info.c | 32 |
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 0000000000..2b65d2adca --- /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()); +} |