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378e32aa81
This is a preparatory rework to allow uncoupling virtual and physical addresses spaces. The virtual memory layout is needed for address translation by crash tool when /proc/kcore device is used as the memory image. Acked-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
24 lines
758 B
C
24 lines
758 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/vmcore_info.h>
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#include <asm/abs_lowcore.h>
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#include <linux/mm.h>
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#include <asm/setup.h>
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void arch_crash_save_vmcoreinfo(void)
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{
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struct lowcore *abs_lc;
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VMCOREINFO_SYMBOL(lowcore_ptr);
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VMCOREINFO_SYMBOL(high_memory);
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VMCOREINFO_LENGTH(lowcore_ptr, NR_CPUS);
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vmcoreinfo_append_str("SAMODE31=%lx\n", (unsigned long)__samode31);
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vmcoreinfo_append_str("EAMODE31=%lx\n", (unsigned long)__eamode31);
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vmcoreinfo_append_str("IDENTITYBASE=%lx\n", __identity_base);
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vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
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vmcoreinfo_append_str("KERNELOFFPHYS=%lx\n", __kaslr_offset_phys);
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abs_lc = get_abs_lowcore();
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abs_lc->vmcore_info = paddr_vmcoreinfo_note();
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put_abs_lowcore(abs_lc);
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}
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