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| 2 | |
| 3 | * Copyright (C) Linaro.
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| 4 | * Copyright (C) Huawei Futurewei Technologies.
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| 5 |
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| 6 |
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| 7 | #include <linux/vmcore_info.h>
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| 8 | #include <asm/cpufeature.h>
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| 9 | #include <asm/memory.h>
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| 10 | #include <asm/pgtable-hwdef.h>
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| 11 | #include <asm/pointer_auth.h>
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| 12 |
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| 13 | static inline u64 get_tcr_el1_t1sz(void);
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| 14 |
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| 15 | static inline u64 get_tcr_el1_t1sz(void)
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| 16 | {
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| 17 | return (read_sysreg(tcr_el1) & TCR_EL1_T1SZ_MASK) >> TCR_EL1_T1SZ_SHIFT;
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| 18 | }
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| 19 |
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| 20 | void arch_crash_save_vmcoreinfo(void)
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| 21 | {
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| 22 | VMCOREINFO_NUMBER(VA_BITS);
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| 23 |
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| 24 | vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR);
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| 25 | vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END);
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| 26 | vmcoreinfo_append_str("NUMBER(VMALLOC_END)=0x%lx\n", VMALLOC_END);
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| 27 | vmcoreinfo_append_str("NUMBER(VMEMMAP_START)=0x%lx\n", VMEMMAP_START);
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| 28 | vmcoreinfo_append_str("NUMBER(VMEMMAP_END)=0x%lx\n", VMEMMAP_END);
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| 29 | vmcoreinfo_append_str("NUMBER(kimage_voffset)=0x%llx\n",
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| 30 | kimage_voffset);
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| 31 | vmcoreinfo_append_str("NUMBER(PHYS_OFFSET)=0x%llx\n",
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| 32 | PHYS_OFFSET);
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| 33 | vmcoreinfo_append_str("NUMBER(TCR_EL1_T1SZ)=0x%llx\n",
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| 34 | get_tcr_el1_t1sz());
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| 35 | vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
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| 36 | vmcoreinfo_append_str("NUMBER(KERNELPACMASK)=0x%llx\n",
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| 37 | system_supports_address_auth() ?
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| 38 | ptrauth_kernel_pac_mask() : 0);
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| 39 | }
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