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33 lines
952 B
33 lines
952 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (C) Linaro. |
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* Copyright (C) Huawei Futurewei Technologies. |
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*/ |
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#include <linux/crash_core.h> |
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#include <asm/cpufeature.h> |
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#include <asm/memory.h> |
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#include <asm/pgtable-hwdef.h> |
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static inline u64 get_tcr_el1_t1sz(void); |
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static inline u64 get_tcr_el1_t1sz(void) |
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{ |
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return (read_sysreg(tcr_el1) & TCR_T1SZ_MASK) >> TCR_T1SZ_OFFSET; |
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} |
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void arch_crash_save_vmcoreinfo(void) |
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{ |
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VMCOREINFO_NUMBER(VA_BITS); |
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/* Please note VMCOREINFO_NUMBER() uses "%d", not "%x" */ |
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vmcoreinfo_append_str("NUMBER(kimage_voffset)=0x%llx\n", |
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kimage_voffset); |
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vmcoreinfo_append_str("NUMBER(PHYS_OFFSET)=0x%llx\n", |
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PHYS_OFFSET); |
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vmcoreinfo_append_str("NUMBER(TCR_EL1_T1SZ)=0x%llx\n", |
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get_tcr_el1_t1sz()); |
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vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset()); |
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vmcoreinfo_append_str("NUMBER(KERNELPACMASK)=0x%llx\n", |
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system_supports_address_auth() ? |
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ptrauth_kernel_pac_mask() : 0); |
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}
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