1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (C) Linaro.
 4 * Copyright (C) Huawei Futurewei Technologies.
 5 */
 6
 7#include <linux/crash_core.h>
 8#include <asm/cpufeature.h>
 9#include <asm/memory.h>
10#include <asm/pgtable-hwdef.h>
11#include <asm/pointer_auth.h>
12
13static inline u64 get_tcr_el1_t1sz(void);
14
15static inline u64 get_tcr_el1_t1sz(void)
16{
17	return (read_sysreg(tcr_el1) & TCR_T1SZ_MASK) >> TCR_T1SZ_OFFSET;
18}
19
20void arch_crash_save_vmcoreinfo(void)
21{
22	VMCOREINFO_NUMBER(VA_BITS);
23	/* Please note VMCOREINFO_NUMBER() uses "%d", not "%x" */
24	vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR);
25	vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END);
26	vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0x%lx\n", VMALLOC_START);
27	vmcoreinfo_append_str("NUMBER(VMALLOC_END)=0x%lx\n", VMALLOC_END);
28	vmcoreinfo_append_str("NUMBER(VMEMMAP_START)=0x%lx\n", VMEMMAP_START);
29	vmcoreinfo_append_str("NUMBER(VMEMMAP_END)=0x%lx\n", VMEMMAP_END);
30	vmcoreinfo_append_str("NUMBER(kimage_voffset)=0x%llx\n",
31						kimage_voffset);
32	vmcoreinfo_append_str("NUMBER(PHYS_OFFSET)=0x%llx\n",
33						PHYS_OFFSET);
34	vmcoreinfo_append_str("NUMBER(TCR_EL1_T1SZ)=0x%llx\n",
35						get_tcr_el1_t1sz());
36	vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
37	vmcoreinfo_append_str("NUMBER(KERNELPACMASK)=0x%llx\n",
38						system_supports_address_auth() ?
39						ptrauth_kernel_pac_mask() : 0);
40}

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (C) Linaro.
 4 * Copyright (C) Huawei Futurewei Technologies.
 5 */
 6
 7#include <linux/crash_core.h>
 
 8#include <asm/memory.h>
 
 
 
 
 
 
 
 
 
 9
10void arch_crash_save_vmcoreinfo(void)
11{
12	VMCOREINFO_NUMBER(VA_BITS);
13	/* Please note VMCOREINFO_NUMBER() uses "%d", not "%x" */
 
 
 
 
 
 
14	vmcoreinfo_append_str("NUMBER(kimage_voffset)=0x%llx\n",
15						kimage_voffset);
16	vmcoreinfo_append_str("NUMBER(PHYS_OFFSET)=0x%llx\n",
17						PHYS_OFFSET);
 
 
18	vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
 
 
 
19}