1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include <linux/vmcore_info.h> 4 #include <linux/pagemap.h> 5 6 void arch_crash_save_vmcoreinfo(void) 7 { 8 VMCOREINFO_NUMBER(phys_ram_base); 9 10 vmcoreinfo_append_str("NUMBER(PAGE_OFFSET)=0x%lx\n", PAGE_OFFSET); 11 vmcoreinfo_append_str("NUMBER(VMALLOC_END)=0x%lx\n", VMALLOC_END); 12 #ifdef CONFIG_MMU 13 VMCOREINFO_NUMBER(VA_BITS); 14 vmcoreinfo_append_str("NUMBER(VMEMMAP_START)=0x%lx\n", VMEMMAP_START); 15 vmcoreinfo_append_str("NUMBER(VMEMMAP_END)=0x%lx\n", VMEMMAP_END); 16 #ifdef CONFIG_64BIT 17 vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR); 18 vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END); 19 #endif 20 #endif 21 vmcoreinfo_append_str("NUMBER(KERNEL_LINK_ADDR)=0x%lx\n", KERNEL_LINK_ADDR); 22 #ifdef CONFIG_XIP_KERNEL 23 /* TODO: Communicate with crash-utility developers on the information to 24 * export. The XIP case is more complicated, because the virtual-physical 25 * address offset depends on whether the address is in ROM or in RAM. 26 */ 27 #else 28 vmcoreinfo_append_str("NUMBER(va_kernel_pa_offset)=0x%lx\n", 29 kernel_map.va_kernel_pa_offset); 30 #endif 31 } 32