diff options
Diffstat (limited to 'arch/riscv/kernel/vmcore_info.c')
| -rw-r--r-- | arch/riscv/kernel/vmcore_info.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/riscv/kernel/vmcore_info.c b/arch/riscv/kernel/vmcore_info.c new file mode 100644 index 000000000000..d5e448aa90e7 --- /dev/null +++ b/arch/riscv/kernel/vmcore_info.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/vmcore_info.h> +#include <linux/pagemap.h> + +void arch_crash_save_vmcoreinfo(void) +{ + VMCOREINFO_NUMBER(phys_ram_base); + + vmcoreinfo_append_str("NUMBER(PAGE_OFFSET)=0x%lx\n", PAGE_OFFSET); + vmcoreinfo_append_str("NUMBER(VMALLOC_END)=0x%lx\n", VMALLOC_END); +#ifdef CONFIG_MMU + VMCOREINFO_NUMBER(VA_BITS); + vmcoreinfo_append_str("NUMBER(VMEMMAP_START)=0x%lx\n", VMEMMAP_START); + vmcoreinfo_append_str("NUMBER(VMEMMAP_END)=0x%lx\n", VMEMMAP_END); +#ifdef CONFIG_64BIT + vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR); + vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END); +#endif +#endif + vmcoreinfo_append_str("NUMBER(KERNEL_LINK_ADDR)=0x%lx\n", KERNEL_LINK_ADDR); +#ifdef CONFIG_XIP_KERNEL + /* TODO: Communicate with crash-utility developers on the information to + * export. The XIP case is more complicated, because the virtual-physical + * address offset depends on whether the address is in ROM or in RAM. + */ +#else + vmcoreinfo_append_str("NUMBER(va_kernel_pa_offset)=0x%lx\n", + kernel_map.va_kernel_pa_offset); +#endif +} |