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kdump.21349
kdump-aarch64.patch
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File kdump-aarch64.patch of Package kdump.21349
From: Matthias Brugger <mbrugger@suse.com> Date: Mon May 8 13:58:38 2017 +0200 Subject: kdumptool: add aarch64 References: bsc#1033464 Upstream: v0.8.17 Git-commit: 914c79f493c858e7ab2c07248c17f23f9195daa3 Git-commit: f43e30a71f294020817f0c4f35ea96931ea9ab93 Git-commit: e6afa41112b5ab4a961a595841f3d6b6751f99b4 Git-commit: a885ddf80fb2c6c2490f2550338042581bca6150 Add support for Aarch64. Signed-off-by: Matthias Brugger <mbrugger@suse.com> Acked-by: Petr Tesarik <ptesarik@suse.com> --- kdumptool/identifykernel.cc | 3 ++ kdumptool/kerneltool.cc | 47 +++++++++++++++++++++++++++++++++++++++++++- kdumptool/kerneltool.h | 9 ++++++++ kdumptool/savedump.cc | 7 ++++++ tests/identify_kernel.sh | 5 +++- 5 files changed, 69 insertions(+), 2 deletions(-) --- a/kdumptool/kerneltool.cc +++ b/kdumptool/kerneltool.cc @@ -130,6 +130,8 @@ list<string> KernelTool::imageNames(cons ret.push_back("vmlinuz"); } else if (arch == "s390x") { ret.push_back("image"); + } else if (arch == "aarch64") { + ret.push_back("Image"); } else { ret.push_back("vmlinux"); } @@ -181,6 +183,11 @@ KernelTool::KernelType KernelTool::getKe return KT_S390; else return KT_NONE; + } else if (Util::getArch() == "aarch64") { + if (isAarch64Kernel()) + return KT_AARCH64; + else + return KT_NONE; } else return KT_NONE; } @@ -201,6 +208,9 @@ bool KernelTool::isRelocatable() const case KernelTool::KT_S390: return true; + case KernelTool::KT_AARCH64: + return true; + default: throw KError("Invalid kernel type."); break; @@ -257,6 +267,39 @@ bool KernelTool::isS390Kernel() const } // ----------------------------------------------------------------------------- +bool KernelTool::isAarch64Kernel() const + throw (KError) +{ + struct { + uint32_t code0; /* Executable code */ + uint32_t code1; /* Executable code */ + uint64_t text_offset; /* Image load offset, little endian */ + uint64_t image_size; /* Effective Image size, little endian */ + uint64_t flags; /* kernel flags, little endian */ + uint64_t res2; /* reserved */ + uint64_t res3; /* reserved */ + uint64_t res4; /* reserved */ + uint32_t magic; /* Magic number, little endian, "ARM\x64" */ + uint32_t res5; /* reserved (used for PE COFF offset) */ + } buffer; + + /* check the magic number */ + if (lseek(m_fd, 0, SEEK_SET) == (off_t)-1) { + throw KSystemError("IdentifyKernel::isAarch64Kernel: lseek to " + "file start failed", errno); + } + + int ret = read(m_fd, &buffer, sizeof(buffer)); + if (ret < 0) { + throw KSystemError("IdentifyKernel::isAarch64Kernel: read of magic " + "start failed", errno); + } else if (ret < (int)sizeof(buffer)) + return false; + + return buffer.magic == 0x644d5241; /* little endian "ARM\x64" */ +} + +// ----------------------------------------------------------------------------- bool KernelTool::x86isRelocatable() const throw (KError) { @@ -390,7 +433,7 @@ bool KernelTool::elfIsRelocatable() cons bool KernelTool::isArchAlwaysRelocatable(const string &machine) const throw () { - return machine == "ia64"; + return machine == "ia64" || machine == "aarch64"; } // ----------------------------------------------------------------------------- @@ -426,6 +469,7 @@ string KernelTool::archFromElfMachine(un case EM_S390: return "s390"; case EM_IA_64: return "ia64"; case EM_X86_64: return "x86_64"; + case EM_AARCH64: return "aarch64"; default: return "unknown"; } } @@ -681,6 +725,7 @@ string KernelTool::extractKernelConfig() case KernelTool::KT_ELF: case KernelTool::KT_ELF_GZ: case KernelTool::KT_S390: + case KernelTool::KT_AARCH64: return extractKernelConfigELF(); case KernelTool::KT_X86: --- a/tests/identify_kernel.sh +++ b/tests/identify_kernel.sh @@ -28,18 +28,21 @@ KERNEL_IMAGES=("kernel-bzImage-x86_64" "kernel-ELFgz-ia64" "kernel-ELF-ia64" "kernel-ELF-ppc64" + "kernel-ELF-aarch64" ) RELOCATABLE=( 1 0 0 1 1 - 0 ) + 0 + 1 ) TYPE=( "x86" "ELF gzip" "ELF" "ELF gzip" "ELF" + "ELF" "ELF" ) # }}} --- a/kdumptool/savedump.cc +++ b/kdumptool/savedump.cc @@ -563,6 +563,13 @@ string SaveDump::findKernel() if (binaryroot.exists()) return binary; + // 5: Image + (binary = "/boot").appendPath("Image-" + m_crashrelease); + (binaryroot = m_rootdir).appendPath(binary); + Debug::debug()->dbg("Trying %s", binaryroot.c_str()); + if (binaryroot.exists()) + return binary; + FilePath fp = m_rootdir; fp.appendPath("/boot"); throw KError("No kernel image found in " + fp); --- a/kdumptool/identifykernel.cc +++ b/kdumptool/identifykernel.cc @@ -91,6 +91,9 @@ void IdentifyKernel::execute() case KernelTool::KT_S390: cout << "S390" << endl; break; + case KernelTool::KT_AARCH64: + cout << "Aarch64" << endl; + break; default: throw KError("The specified file is not a kernel image."); } --- a/kdumptool/kerneltool.h +++ b/kdumptool/kerneltool.h @@ -42,6 +42,7 @@ class KernelTool { KT_ELF_GZ, KT_X86, KT_S390, + KT_AARCH64, KT_NONE }; @@ -207,6 +208,14 @@ class KernelTool { throw (KError); /** + * Checks if the kernel is an Aarch64 kernel image. + * + * @return @c true if it's an Aarch64 kernel image, @c false otherwise. + */ + bool isAarch64Kernel() const + throw (KError); + + /** * Returns the architecture as string from the ELF machine type. * * @param[in] et_machine the ELF machine type such as EM_386
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