184c57dbdSJames Morse // SPDX-License-Identifier: GPL-2.0
284c57dbdSJames Morse /*
384c57dbdSJames Morse * Copyright (C) Linaro.
484c57dbdSJames Morse * Copyright (C) Huawei Futurewei Technologies.
584c57dbdSJames Morse */
684c57dbdSJames Morse
784c57dbdSJames Morse #include <linux/crash_core.h>
8203b1152SAmit Daniel Kachhap #include <asm/cpufeature.h>
984c57dbdSJames Morse #include <asm/memory.h>
10bbdbc118SBhupesh Sharma #include <asm/pgtable-hwdef.h>
11*de1702f6SMark Rutland #include <asm/pointer_auth.h>
12bbdbc118SBhupesh Sharma
13bbdbc118SBhupesh Sharma static inline u64 get_tcr_el1_t1sz(void);
14bbdbc118SBhupesh Sharma
get_tcr_el1_t1sz(void)15bbdbc118SBhupesh Sharma static inline u64 get_tcr_el1_t1sz(void)
16bbdbc118SBhupesh Sharma {
17bbdbc118SBhupesh Sharma return (read_sysreg(tcr_el1) & TCR_T1SZ_MASK) >> TCR_T1SZ_OFFSET;
18bbdbc118SBhupesh Sharma }
1984c57dbdSJames Morse
arch_crash_save_vmcoreinfo(void)2084c57dbdSJames Morse void arch_crash_save_vmcoreinfo(void)
2184c57dbdSJames Morse {
2284c57dbdSJames Morse VMCOREINFO_NUMBER(VA_BITS);
2384c57dbdSJames Morse /* Please note VMCOREINFO_NUMBER() uses "%d", not "%x" */
242369f171SHuang Shijie vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR);
252369f171SHuang Shijie vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END);
262369f171SHuang Shijie vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0x%lx\n", VMALLOC_START);
272369f171SHuang Shijie vmcoreinfo_append_str("NUMBER(VMALLOC_END)=0x%lx\n", VMALLOC_END);
282369f171SHuang Shijie vmcoreinfo_append_str("NUMBER(VMEMMAP_START)=0x%lx\n", VMEMMAP_START);
292369f171SHuang Shijie vmcoreinfo_append_str("NUMBER(VMEMMAP_END)=0x%lx\n", VMEMMAP_END);
3084c57dbdSJames Morse vmcoreinfo_append_str("NUMBER(kimage_voffset)=0x%llx\n",
3184c57dbdSJames Morse kimage_voffset);
3284c57dbdSJames Morse vmcoreinfo_append_str("NUMBER(PHYS_OFFSET)=0x%llx\n",
3384c57dbdSJames Morse PHYS_OFFSET);
34bbdbc118SBhupesh Sharma vmcoreinfo_append_str("NUMBER(TCR_EL1_T1SZ)=0x%llx\n",
35bbdbc118SBhupesh Sharma get_tcr_el1_t1sz());
3684c57dbdSJames Morse vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
37203b1152SAmit Daniel Kachhap vmcoreinfo_append_str("NUMBER(KERNELPACMASK)=0x%llx\n",
38203b1152SAmit Daniel Kachhap system_supports_address_auth() ?
39203b1152SAmit Daniel Kachhap ptrauth_kernel_pac_mask() : 0);
4084c57dbdSJames Morse }
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