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\"\"<\/div><\/figure>\n\n\n\n

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PBL->SBL1->TZ\/LK->KERNEL
PBL\u662f\u9ad8\u901a\u7684BOOTROM
\u800cSBL1 TZ \u5305\u62ec9008\u7684firehose\u662f\u5728EL3\u4e0b\u8fd0\u884c\u7684
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\u6709 https:\/\/github.com\/msm8916-mainline\/qtestsign<\/p>\n\n\n\n

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firehose\u8fd0\u884c\u5728EL3\uff0c\u800c\u4e14\u9ad8\u901a\u5728PBL\u9636\u6bb5\u5c31\u4f7f\u7528\u4e3bCPU\u6709MMU
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\u5f53\u7136\u8fd9\u91cc\u9762\u5904\u7406\u7684\u4e3b\u8981\u662f\u4e00\u4e9bEMMC\u521d\u59cb\u5316\u95ee\u9898
https:\/\/alephsecurity.com\/2018\/01\/22\/qualcomm-edl-1\/
\u7136\u540e\u6709\u4e00\u4e9bfirehose\u662f64\u4f4d\u7684\u4f46\u662fPBL\u662f32\u4f4d\u7684\uff0c\u4ece64\u4f4d\u5207\u6362\u56de32\u4f4d\u6bd4\u8f83\u56f0\u96be\u3002
\u7136\u540efxsheep\u5b9e\u73b0\u4e86 https:\/\/github.com\/fxsheep\/firehorse_land\/ \uff08fxsheep\u662f\u8d85\u7ea7\u5de8\u4f6ctql\uff09
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\u5f53\u7136OEM\u4fee\u590d\u8fd9\u4e2a\u6f0f\u6d1e\u65b9\u6cd5\u6bd4\u8f83\u6781\u7aef\uff0c\u5c0f\u7c73\u5c31\u662f\u91c7\u53d6\u4e86RSA\u7b7e\u540d\u9a8c\u8bc1\u7684\u673a\u5236\uff0c\u800c\u4e14\u6bcf\u6b21\u5f00\u673a\u90fd\u4f1a\u9a8c\u8bc1\u7b7e\u540d\uff0c\u539f\u59cb\u7684token\u662f\u548ccpuid\u6709\u5173\uff0c\u6240\u4ee5\u522b\u7684\u673a\u5b50\u7684\u89e3\u9501\u7684\u5206\u533a\u5237\u8fdb\u6765\u662f\u6ca1\u6709\u7528\u7684\u3002\u90a3\u4e48\u8fd9\u65f6\u5019\u5373\u4f7f\u6709\u4e34\u65f6\u5b89\u5168\u542f\u52a8\u7ed5\u8fc7\u4e5f\u4e0d\u80fd\u89e3\u9501BL\u3002<\/p>\n\n\n\n

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\u63a5\u4e0b\u6765\u5c31\u662fpentestpartner\u7684\u5927\u540d\u9f0e\u9f0e\u7684CVE-2021-1931,\u4e5f\u5c31\u662fABL\u7684USB\u534f\u8bae\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u53ef\u4ee5\u8986\u76d6ABL\u4ee3\u7801\u672c\u8eab\uff0c\u8fd9\u6837\u76f4\u63a5\u5f3a\u884c\u6267\u884c\u89e3\u9501\u51fd\u6570\u751a\u81f3\u662f\u4e34\u65f6\u7ed5\u8fc7\u5b89\u5168\u542f\u52a8\u3002
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\u6240\u4ee5\u8bf4\uff0c\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2asahara\u6f0f\u6d1e\u90a3\u4e48\u6211\u4eec\u5c31\u80fd\u4ee5EL3\u7684\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u63a5\u7ba1\u6574\u4e2a\u542f\u52a8\u94fe\uff01<\/p>\n\n\n\n

\u90a3\u4e48\u6211\u4eec\u7ee7\u7eed\u641c\u7d22\u53d1\u73b0\u67d0\u89c6\u9891\u7f51\u7ad9\u4e0a\u6709\u4e00\u4e2ahexacon2023\u7684\u5f55\u50cf\uff0c\u91cc\u9762\u8bb2\u7684\u662f there is a hole in sahara
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\"\"<\/div><\/figure>\n\n\n\n

<\/p>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

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\u4e3a\u4ec0\u4e48\u89e3\u9501\u72b6\u6001\u5fc5\u987b\u5728ABL\u65f6\u5019\u8c03\u7528\u51fd\u6570\u5199\u5165\uff1f\u540c\u6837\u662fEL1\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u5728\u5185\u6838\u91cc\u8c03\u7528\uff1f
\u5982\u679c\u6211\u4eec\u80fd\u591f\u52a0\u8f7d\u4efb\u610f\u7684UEFI App\uff0c\u90a3\u4e48\u80fd\u4e0d\u80fd\u76f4\u63a5\u8c03\u7528ABL\u7684\u89e3\u9501\u51fd\u6570\uff1f\u4e5f\u5c31\u662f\u8bf4\uff0cuefi\u5185\u90e8\u7684\u51fd\u6570\u8c03\u7528\u7684\u903b\u8f91\u662f\u600e\u6837\u7684\uff1f
ABL\u7684\u52a0\u8f7d\u5730\u5740\u662f\u4ec0\u4e48\uff1f<\/p>\n\n\n\n

\u90a3\u4e48\u6211\u4eec\u5f00\u59cb\u4e00\u70b9\u4e00\u70b9\u62c6\u89e3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n\n\n\n

\u9996\u5148\u6211\u4eec\u8981\u5148\u9006\u5411ABL\u770b\u5230GBL\u76f8\u5173\u7684\u52a0\u8f7d\u903b\u8f91
\u6211\u4eec\u4f7f\u7528UEFITOOL<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u89e3\u538b\u51falinuxloader.efi\u4e4b\u540e
\u6211\u4eec\u53ef\u4ee5\u770b\u5230GBL\u7684\u52a0\u8f7d\u903b\u8f91<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u5c31\u662f\u65e0\u8bba\u5982\u4f55GBL\u90fd\u4f1a\u52a0\u8f7d\uff0c\u5e76\u4e0d\u4f1a\u5728\u522b\u7684\u5206\u533a\u8bfb\u53d6\u4ec0\u4e48\u6807\u5fd7\u4f4d
\u800c\u5982\u679c\u52a0\u8f7d\u5931\u8d25\u5c31\u7ee7\u7eed\u540e\u7eed\u7684\u6b63\u5e38\u542f\u52a8
\u800c\u4e14\u53ef\u4ee5\u770b\u5230\u5b57\u7b26\u4e32efisp
\u90a3\u4e48\u53ef\u80fd\u5728efisp efisp_a efisp_b\u7b49\u5206\u533a\u52a0\u8f7dGBL
sub_1b568\u662fGetBlkIOHandles
\u539f\u578b\u662f(\u901a\u8fc7\u7f51\u4e0a\u516c\u5f00\u7684\u6bd4\u8f83\u53e4\u8001\u7684\u56fa\u4ef6\u5f97\u5230\uff09\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

PartitionLabel\u662f\u5206\u533a\u540d\uff0c\u4e5f\u5c31\u662fv658[3]
v678\u662fefisp
\u7b2c\u4e00\u4e2a\u53c2\u6570526\u662f0x20E<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5c31\u662f\u6309\u7167\u5206\u533a\u540d\u67e5\u627e\uff0c\u67e5\u627egpt\u6216\u8005mbr\u7684\uff0c\u8fd9\u4e2a\u5206\u533a\u662f\u4e0d\u53ef\u79fb\u52a8\u4ecb\u8d28\u3002
\u4f46\u662f\u540e\u9762\u662f\u600e\u4e48\u4ece\u5206\u533a\u52a0\u8f7duefi app\u4e0d\u662f\u5f88\u6e05\u6670
\u7136\u540e\u52a0\u8f7d\u955c\u50cf
\u90a3\u4e48\u52a0\u8f7d\u8c03\u7528\u7684\u662fgBS->LoadImage\uff0c\u8fd9\u4e2a\u4f1a\u8fdb\u884cuefi\u7684\u7b7e\u540d\u9a8c\u8bc1
\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u5206\u6790\u4e00\u4e9bLoadImage\u51fd\u6570
\u5b83\u7684\u5b9e\u73b0\u4e00\u5f00\u59cb\u6211\u8fd8\u6ca1\u627e\u5230
\u5b9e\u9645\u4e0a\u5728<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7b7e\u540d\u9a8c\u8bc1\u662f\u8fd9\u4e2a\u51fd\u6570<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u4e2a\u51fd\u6570\u8981\u6c42\u914d\u7f6egSecurity\u548cgSecurity2<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u800c\u8fd9\u4e9b\u4f9d\u8d56\u4e8e\u82e5\u5e72\u7ec4\u4ef6\uff0c\u4f46\u662f\u6838\u5fc3\u662fUEFI secure boot
\u5982\u679cUEFI secure boot\u6ca1\u6709\u5f00\u542f\u5c31\u4e0d\u4f1a\u8fdb\u884c\u7b7e\u540d\u9a8c\u8bc1\uff0c\u8fd9\u91cc\u662f\u4ece\u54ea\u91cc\u770b\u51fa\u6765\u7684\u5462\uff0c\u662f\u9a8c\u8bc1\u7684\u4e3b\u51fd\u6570DxeImageVerificationLib<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u800cuefi\u7684\u7b7e\u540d\u9a8c\u8bc1\u662fuefi\u81ea\u5df1\u7684\u6807\u51c6\uff0c\u5bf9efi\u6587\u4ef6\u8fdb\u884c\u7b7e\u540d\u9a8c\u8bc1
\u800c\u8fd9\u91cc\u9700\u8981db\/dbx\u63d0\u4f9b\u7b7e\u540d\u7684\u767d\u540d\u5355\/\u9ed1\u540d\u5355\u5217\u8868
\u800cefi\u6587\u4ef6\u662f\u4e2aPE32\u53ef\u6267\u884c\u6587\u4ef6
\u4f46\u662f\u6211\u4eec\u53d1\u73b0UEFI\u52a0\u8f7dlinuxloader\u65f6\u5019\u4e5f\u662f\u8c03\u7528\u7684gBS->LoadImage\uff0c\u90a3\u4e48\u5bf9linuxloader.efi\u8fdb\u884c\u5206\u6790\u53d1\u73b0\u6ca1\u6709\u5e26\u989d\u5916\u7684\u7b7e\u540d
Get-AuthenticodeSignature “D:\\adb tools\\qualcomm-reverse\\Section_PE32_image_F536D559-459F-48FA-8BBC-43B554ECAE8D_LinuxLoader_body.efi”<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4ee5\u8bf4\u6211\u4eec\u57fa\u672c\u4e0a\u65ad\u5b9aloadimage\u4e0d\u4f1a\u8fdb\u884c\u7b7e\u540d\u9a8c\u8bc1\u3002\u4f46\u662fedk2\u4ee3\u7801\u7684\u903b\u8f91\u91cc\u9762\u662f\u6709\u7b7e\u540d\u9a8c\u8bc1\u7684\u51fd\u6570\u7684\uff0c\u4f46\u662f\u8fd9\u9700\u8981UEFI secureboot\u5f00\u542f\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u51e0\u4e4e\u53ef\u4ee5\u65ad\u5b9a\uff0c\u5728\u9ad8\u901a\u5e73\u53f0\u4e0a\uff0cUEFI secure boot\u6ca1\u6709\u5f00\u542f\u3002
\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u8bf4\u5462\uff1f
\u6211\u4eec\u627e\u4e00\u4efd\u5f88\u53e4\u8001\u7684\u9ad8\u901a\u7684uefi\u7684\u4ee3\u7801\uff0c\u663e\u7136\u8fd9\u4efd\u4ee3\u7801\u91cc\u9762\u6ca1\u6709GBL\u76f8\u5173\u3002<\/p>\n\n\n\n

\u6211\u4eec\u6765\u5206\u6790AuthVariableLib<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5982\u679cplatform key\u4e0d\u5b58\u5728\u90a3\u4e48\u662fsetup mode<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u53ea\u6709\u662fuser mode\u624d\u4f1a\u914d\u7f6esecure boot\u72b6\u6001
\u4f46\u662f\u6211\u4eec\u6ca1\u6709\u770b\u5230\u914d\u7f6eplatform key\u7684\u4ee3\u7801
\u53e6\u5916\uff0cSecurityPkg\/Library\/DxeImageVerificationLib\/DxeImageVerificationLib.inf\u8fd9\u4e2a\u6587\u4ef6\u538b\u6839\u6ca1\u6709\u88ab\u5176\u4ed6\u7684\u63cf\u8ff0\u6587\u4ef6\u5305\u542b
SecurityPkg\/Library\/AuthVariableLib\/AuthVariableLib.inf\u8fd9\u4e2a\u4e5f\u6ca1\u6709
\u6240\u4ee5\uff0c\u53ef\u4ee5\u65ad\u5b9a\u9ad8\u901a\u6ca1\u6709\u5f00\u542fUEFI secure boot<\/p>\n\n\n\n

\u786e\u8ba4\u4e86UEFI secure boot\u6ca1\u6709\u5f00\u542f\u4e4b\u540e\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u6211\u4eec\u7684GBL\u662f\u4e0d\u7ecf\u8fc7\u7b7e\u540d\u9a8c\u8bc1\u7684\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u5b9e\u73b0\u4e86EL1\u7684\u4ee3\u7801\u6267\u884c\u3002
gBS->StartImage\u662f\u52a0\u8f7d\u5df2\u7ecfload\u5b8c\u7684efi\u6587\u4ef6\uff0c\u4f46\u662f\u6267\u884c\u5b8c\u8fd8\u4f1a\u9000\u56delinuxloader\u7684\u6267\u884c\u3002<\/p>\n\n\n\n

\u4e0b\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u6211\u4e0d\u4f1a\u7f16\u8bd1uefi app\u6765\u7740\uff0c\u800c\u4e14\u6c42\u52a9\u7fa4\u53cb\u8fd8\u88ab\u9a82\u4e86\u2026
\u7136\u540e\u6211\u4e5f\u4e0d\u77e5\u9053\u9ad8\u901a\u7684\u89e3\u9501\u72b6\u6001\u662f\u600e\u4e48\u5199\u5165\u7684\u3002
\u90a3\u4e48\u6211\u4eec\u63a5\u7740\u5206\u6790<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u52a0\u8f7d\u5730\u5740\uff0c\u90a3\u4e48\u9ed8\u8ba4\u662f\u901a\u8fc7\u4e00\u4e2a\u5206\u914d\u5668\u6765\u5206\u914d\u5185\u5b58\uff0c\u4e5f\u5c31\u662f\u8bf4\u52a0\u8f7d\u5730\u5740\u4e0d\u662f\u56fa\u5b9a\u7684\u3002
\u800c\u6e90\u7801\u91cc\u9762\u4e5f\u7684\u786e\u6ca1\u6709\u660e\u786elinuxloader\u7684\u52a0\u8f7d\u5730\u5740\uff08\u4e5f\u53ef\u80fd\u6709\u4f46\u662f\u6211\u4eec\u5f97\u5230\u7684\u5185\u5bb9\u592a\u5c11\u4e86\u6bd5\u7adf\u8fc7\u65f6\u4e86\uff09
\u6240\u4ee5\u8fd9\u6761\u8def\u6b7b\u4e86\u2026
\u90a3\u4e48\u8fd8\u6709\u4e00\u6761\u8def\uff0c\u5c31\u662f\u6211\u4eec\u6a21\u4effabl\u8c03\u7528\u7684protocol\u6765\u5199\u5165\u89e3\u9501\u72b6\u6001
\u90a3\u8fd9\u6837\u5c31\uff0c\u6211\u4eec\u5c31\u9700\u8981\u5bf9\u8fd9\u5757\u8fdb\u884c\u4e86\u89e3\u3002<\/p>\n\n\n\n

\u7531\u4e8e\u6211\u4eec\u4e0d\u80fd\u7b80\u5355\u662f\u8c03\u7528\u89e3\u9501\u51fd\u6570\u4e86\uff0c\u8981\u6e05\u695a\u89e3\u9501\u72b6\u6001\u5177\u4f53\u662f\u600e\u4e48\u5199\u5165\u7684
\u6211\u4e4b\u524d\u60f3\u8d77\u6765\u6211\u770b\u8fc7\u4e00\u7bc7\u6587\u7ae0\u8bb2\u4e86\u9ad8\u901a\u7684\u89e3\u9501\u72b6\u6001\u5b58\u50a8\u5728devinfo\uff0c\u4e00\u65e6\u7194\u65addevinfo\u5b58\u50a8\u5728rpmb\u7684\u624d\u662f\u6709\u4ef7\u503c\u7684
\u800c\u6211\u4eec\u8fd9\u4e2a\u89e3\u9501\u51fd\u6570\u8c03\u7528\u4e86VBRwDevice<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u6839\u636e\u4ee3\u7801\u6211\u4eec\u80fd\u591f\u770b\u5230\u8fd9\u4e2a\u8c03\u7528\u4e86QCOM_VERIFIEDBOOT_PROTOCOL\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570\u662fVBRwDeviceState
\u8981\u8c03\u7528\u4e00\u4e2aprotocol\u9700\u8981\u4f7f\u7528\u5b83\u7684GUID\uff0c\u901a\u8fc7gBS->LocateProtocol\u6765\u5b9a\u4f4d\u534f\u8bae\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fGUID\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662fNULL\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u5b9a\u4f4d\u5230\u7684\u534f\u8bae\u5b58\u50a8\u7684\u5730\u5740
\u5b9a\u4f4d\u5230\u534f\u8bae\u4e4b\u540e\u5c31\u53ef\u4ee5\u8c03\u7528\u8fd9\u4e2a\u534f\u8bae\u7684\u6210\u5458\u548c\u6210\u5458\u51fd\u6570
\u5b9e\u9645\u4e0a\u662f\u6839\u636e\u504f\u79fb\u91cf\u6765\u533a\u5206\u51fd\u6570\u7684\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u5927\u7ed3\u6784\u4f53<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6211\u4eec\u76f4\u63a5\u8c03\u7528\u8fd9\u4e2a\u5199devinfo\u7684\u51fd\u6570
\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u534f\u8bae\u7684\u5730\u5740\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8bfb\u8fd8\u662f\u5199\uff0c\u8fd9\u91cc\u6211\u4eec\u662f\u5199\uff0c\u662fWRITE_CONFIG,\u7b2c\u4e09\u4e2a\u53c2\u6570\u662fdevinfo\u6240\u5728\u7684\u5185\u5b58\u5730\u5740\uff0c\u7b2c4\u4e2a\u53c2\u6570\u662fdevinfo\u7684\u957f\u5ea6
\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0cdevinfo\u7684\u683c\u5f0f\u662f\u600e\u4e48\u6837\u7684\u5462\uff1f
\u6211\u6700\u5f00\u59cb\u60f3\u7684\u662f\uff0c\u76f4\u63a5\u5728\u7b2c0\u5b57\u8282\u548c\u7b2c1\u5b57\u8282\u5206\u522b\u5199\u51651\u6216\u8005\u662f\u7b2c0\u5b57\u8282\u548c\u7b2c8\u5b57\u8282\u5199\u51651\uff08\u56e0\u4e3a\u662f\u5c0f\u7aef\u5e8f\uff09
\u7ed3\u679c\u4e0d\u884c\u3002
\u540e\u6765\u6211\u60f3\u8d77\u6765\u4e4b\u524d\u770b\u5230\u7684\u90a3\u7bc7\u6587\u7ae0
\u4e5f\u5c31\u662fdevinfo\u662f\u50a8\u5b58\u5f88\u591a\u72b6\u6001\u7684\uff0c\u662f\u4e00\u4e2a\u7ed3\u6784\u4f53\u5f62\u5f0f\u7684
\u7136\u540e\u6211\u4eec\u627e\u5230\u8fd9\u7bc7\u6587\u7ae0<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u90a3\u4e48\u6211\u4eec\u53ea\u4fee\u6539\u6307\u5b9a\u4f4d\u7f6e\u7684\u89e3\u9501\u4f4d
\u518d\u8bd5\u4e00\u6b21\uff0c\u53c8\u5931\u8d25\u4e86\u2026
\u8fd9\u65f6\u5019\u6211\u610f\u8bc6\u5230\u76f4\u63a5\u8fd9\u6837\u4fee\u6539\u4f1a\u8986\u76d6\u524d\u9762\u7684magic number
\u800cmagic number\u53c8\u4f1a\u88ab\u68c0\u67e5<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u90a3\u4e48\u6211\u4eec\u5e72\u8106\u63d0\u53d6\u8bbe\u5907\u7684devinfo\u5427
\u7136\u540edevinfo\u91cc\u9762\u975e\u7a7a\u5185\u5bb9\u7684\u957f\u5ea6\u521a\u597d\u662f3344<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u5c31\u975e\u5e38\u7684\u5408\u7406\u3002
\u6240\u4ee5\u8bf4\u6211\u4eec\u76f4\u63a5\u5bfc\u51fa\u6574\u4e2a3344\u957f\u5ea6\u7684devinfo\u4ee5char\u6570\u7ec4\u7684\u5f62\u5f0f\u7136\u540e\u4fee\u6539\u89e3\u9501\u4f4d\u7136\u540e\u5199\u5165
\u8fd9\u6837\u5c31\u5f97\u5230\u4e86\u6700\u7ec8\u7248\u672c\u7684\u4ee3\u7801
\u6211\u4eec\u4e3a\u4e86\u7a33\u5b9a\u5728\u6267\u884c\u5b8c\u5199\u5165devinfo\u4e4b\u540e\u52a0\u4e00\u4e2a\u6b7b\u5faa\u73af\u5361\u4f4f<\/p>\n\n\n\n

\u4e0b\u4e00\u6b65\u5c31\u662f\u5982\u4f55\u7f16\u8bd1\u4e86
\u6211\u4eec\u7531\u4e8e\u65b0\u52a0\u4e86\u4e00\u4e2auefi app\uff0c\u6211\u4eec\u662f\u628a\u4ed6\u585e\u5230QcomTestPkg\u91cc\u9762<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7136\u540e\u52a0\u4e00\u4e2ainf\u6587\u4ef6<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7136\u540e\u5728 boot\/QcomPkg\/QcomPkg.dec \u7684 [Includes.common] \u4e2d\u589e\u52a0\u4e86 QcomModulePkg\/Include\uff0c\u8fd9\u6837 #include \u80fd\u6b63\u786e\u89e3\u6790\u3002
\u63a5\u4e0b\u6765\u662f\u5982\u4f55\u7f16\u8bd1\u7684\u95ee\u9898
\u6700\u5f00\u59cb\u6211\u662f\u6253\u7b97\u5728windows\u5e73\u53f0\u4e0b\u7f16\u8bd1\u7ed3\u679c\u603b\u662f\u51fa\u5404\u79cd\u5947\u602a\u7684\u95ee\u9898
\u540e\u6765\u6211\u4eec\u6362\u5230\u4e86linux\u5e73\u53f0\u53bb\u7f16\u8bd1\u3002
\u6211\u4eec\u7684\u7f16\u8bd1\u547d\u4ee4
export WORKSPACE=”\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/edk2″ && export PYTHONPATH=”\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/edk2\/BaseTools\/Source\/Python” && export EDK_TOOLS_PATH=”\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/edk2\/BaseTools” && export PACKAGES_PATH=”\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/edk2:\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/boot:\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/sdk:\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/ssg” && export PATH=”$PATH:\/home\/hicode002\/qcomuefi\/boot_images\/boot_images\/edk2\/BaseTools\/BinWrappers\/PosixLike” && export GCC49_AARCH64_PREFIX=”aarch64-linux-gnu-” && python3 edk2\/BaseTools\/Source\/Python\/build\/build.py -p QcomPkg\/QcomTestPkg\/QcomTestPkg.dsc -a AARCH64 -b DEBUG -t GCC49 -m QcomPkg\/QcomTestPkg\/VbRwStateApp\/VbRwStateApp.inf
\u5982\u679c\u6211\u4eec\u4e0d\u6dfb\u52a0GCC49_AARCH64_PREFIX\u90a3\u4e48\u5c31\u4f1a\u62a5\u627e\u4e0d\u5230\u7f16\u8bd1\u5668\u7684\u9519\u8bef\uff0c\u8fd9\u91cc\u5361\u4f4f\u597d\u4e45
\u5982\u4f55\u5982\u679c\u4e0d\u6dfb\u52a0PATH\u90a3\u4e48posixlike\u8fd9\u91cc\u4f1a\u62a5\u9519
\u7136\u540e\u8fd8\u4f1a\u62a5\u5f88\u591a\u6587\u4ef6\u627e\u4e0d\u5230\u7684\u9519\u8bef\uff0c\u8fd9\u91cc\u6211\u4eec\u501f\u52a9AI\u4e00\u70b9\u70b9\u65b0\u5efa\u7a7a\u767d\u6587\u4ef6\u548c\u5bf9\u4ee3\u7801\u8fdb\u884c\u4fee\u8865\uff0c\u6700\u540e\u6210\u529f\u7684\u7f16\u8bd1\u51fa\u6765\u4e86\u3002
\u4f7f\u7528-m\u53c2\u6570\u662f\u6211\u4eec\u53ea\u60f3\u8981\u8fd9\u4e00\u4e2aUEFI app
\u4e0b\u4e00\u4e2a\u95ee\u9898\u662f\uff0cefisp\u7684\u5206\u533a\u683c\u5f0f\u662f\u4ec0\u4e48\uff0c\u600e\u4e48\u628aefi\u6587\u4ef6\u585e\u8fdb\u53bb\u3002
\u8fd9\u91cc\u662f\u8e29\u5927\u5751\u7684\u5730\u65b9\u3002\u7531\u4e8e\u6211\u5bf9UEFI\u5b8c\u5168\u4e0d\u719f\u6089\uff0c\u6839\u636e\u4e92\u8054\u7f51\u4e0a\u5173\u4e8eGBL\u7684\u6587\u6863\uff0c\u90fd\u662fuboot\u52a0\u8f7dgbl\uff0c\u90fd\u662f\u9700\u8981\u628aGBL\u585e\u5230\u4e00\u4e2avfat\u683c\u5f0f\u7684\u5206\u533a\uff0c\u6211\u4e5f\u8fd9\u4e48\u505a\u7684\u6700\u5f00\u59cb\uff0c\u4f46\u662f\u6ca1\u6709\u4efb\u4f55\u53cd\u5e94\u7cfb\u7edf\u6b63\u5e38\u542f\u52a8\u4e86\u3002\u90a3\u4e48\u8fd9\u65f6\u5019\u5c31\u6709\u4e24\u79cd\u60c5\u51b5
\u7b2c\u4e00\u79cd\u60c5\u51b5\u662f\u6211\u7684uefi app\u7f16\u8bd1\u7684\u6709\u95ee\u9898\uff0c\u6bd4\u5982\u8bf4\u4ee3\u7801\u5199\u7684\u6709\u95ee\u9898\uff0c\u90a3\u4e48\u8fd9\u79cd\u60c5\u51b5\u6211\u4eec\u76f4\u63a5\u5199\u5165\u4e00\u4e2a\u6b7b\u5faa\u73af\u6d4b\u8bd5\uff0c\u8fd8\u662f\u6b63\u5e38\u542f\u52a8\u6ca1\u6709\u5361\u4f4f
\u8bf4\u660egbl\u6839\u672c\u6ca1\u6709\u88ab\u52a0\u8f7d\uff01
\u90a3\u4e48\u5c31\u53ea\u5269\u4e0b\u7b2c\u4e8c\u79cd\u60c5\u51b5\uff0cGBL\u8fd9\u4e2aefi\u6587\u4ef6\u5728efisp\u653e\u7f6e\u7684\u683c\u5f0f\u4e0d\u6b63\u786e\u3002
\u6bd4\u5982\u8bf4\u5bf9\u8def\u5f84 \u5206\u533a\u683c\u5f0f \u6587\u4ef6\u540d\u6709\u8981\u6c42
\u5b9e\u8bdd\u8bf4\u8fd9\u5757\u4e00\u76f4\u6ca1\u6709\u60f3\u5230\uff0c\u4e00\u76f4\u89c9\u5f97execimgfromvolume\u662f\u8981\u6709\u5206\u533a\u683c\u5f0f\u7684\u3002
\u540e\u6765\u67d0\u5927\u4f6c\u8ddf\u6211\u8bf4\u4e0d\u9700\u8981\u5206\u533a\u683c\u5f0f\u628aefi\u6587\u4ef6\u76f4\u63a5\u585e\u8fdb\u53bb\u5c31\u53ef\u4ee5
\u73b0\u5728\u6211\u4eec\u60f3\u4e00\u60f3\uff0clinuxloader\u91cc\u9762\u6839\u672c\u6ca1\u6709\u4f20\u5165\u6709\u610f\u4e49\u7684path\u6240\u4ee5\u8bf4\u7684\u786e\u662f\u4e0d\u9700\u8981\u5206\u533a\u683c\u5f0f\u7684\u3002<\/p>\n\n\n\n

\u6240\u4ee5\u8bf4\uff0c\u6211\u4eec\u53ea\u9700\u8981\u628a\u6211\u4eec\u7f16\u8bd1\u597d\u7684efi\u6587\u4ef6\u585e\u8fdbefisp\u5206\u533a\u5c31\u597d\u4e86!
\u8fd9\u91cc\u53ef\u4ee5\u4f7f\u75289008\u5199\u5165\u4e5f\u53ef\u4ee5\u62c6\u673a\u901a\u8fc7\u7f16\u7a0b\u5668\u5199\u5165\u6216\u8005\u98de\u7ebf\u4e4b\u7c7b\u7684\u3002
\u7136\u540e\uff0c\u91cd\u542f\uff0c\u6211\u4eec\u7684\u6b7b\u5faa\u73af\u751f\u6548\u4e86\uff01
\u63a5\u7740\uff0c\u6539\u6210\u6211\u4eec\u5199\u5165\u89e3\u9501\u72b6\u6001\u7684efi\u6587\u4ef6\uff0c\u7136\u540e\uff0c\u91cd\u542f\u624b\u673a
\u6211\u4eec\u770b\u5230\u4e00\u884c\u4ee3\u7801\uff01<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7136\u540e\u91cd\u542f\u8981\u6c42\u5f3a\u5236\u6062\u590d\u51fa\u5382\uff01
\u770b\u5230\u8fd9\u91cc\uff0c\u57fa\u672c\u4e0a\u5c31\u7a33\u4e86\u3002
\u7136\u540e\u6211\u4eec\u5c31\u6709<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n


\u4e8e\u662f\u60a8\u5c31\u6709\u4e86\u89e3\u9501\u7684\u7ea2\u9b5411
\u90a3\u4e48\u540c\u6837\u7684\u9053\u7406\uff0c\u9002\u7528\u4e8e\u5c0f\u7c7317 \u5c0f\u7c7317pro k90promax \u52aa\u6bd4\u4e9az80\u7b498gen5\u7684\u8bbe\u5907
\u4f46\u662f\u6211\u4eec\u9700\u89819008\u5199\u5165\u5206\u533a\uff0c\u6216\u8005\u8bf4\u9700\u8981\u62c6\u673a\u5199\u5165\u5206\u533a\u3002<\/p>\n\n\n\n

\u5f53\u7136\uff0c\u8fd9\u4e2a\u6f0f\u6d1e\u7684\u5c40\u9650\u6027\u5f88\u5927\uff0c\u8981\u5199\u5165\u5206\u533a\uff0c\u800c\u4e14\u53ea\u67098e5\u624d\u80fd\u7528\uff0c\u90a3\u4e488e5\u4e4b\u524d\u8fd8\u6709\u5176\u4ed6\u7684\u6f0f\u6d1e\uff0c\u5927\u6982\u7387\u662f\u901a\u8fc7\u4e00\u4e9b\u6ea2\u51fa\u6765\u8fdb\u884c\u63d0\u6743
\u62ff\u5230\u5b8c\u6574\u7684ABL\u6743\u9650\uff0c\u7136\u540e\u8c03\u7528\u89e3\u9501\u51fd\u6570\u3002
\u90a3\u4e48\u5927\u6982\u7387\u662f\u901a\u8fc7fastboot\u4e0b\u7684\u4e00\u4e9b\u547d\u4ee4\u7684\u6ea2\u51fa\u5bfc\u81f4\u7684\u3002
\u5982\u679c\u80fd\u591f\u5728\u5185\u6838\u6001\u63d0\u6743\u5c31\u53ef\u4ee5\u514d\u62c6\u5199\u5165\u5206\u533a\uff0c\u8fd9\u662f\u540e\u7eed\u7684\u4e24\u4e2a\u7814\u7a76\u65b9\u5411\u3002\uff08\u6240\u4ee5\u8fd9\u662f\u4e2a\u5165\u95e8\u7ea7\u7684\u6f0f\u6d1e\uff09
\u53e6\u4e00\u4e2a\u89d2\u5ea6\u6765\u8bf4\uff0c\u5982\u679cov\u7b49\u5382\u5546\u91c7\u7528\u4e86oem\u7684\u89e3\u9501\u65b9\u5f0f\uff0c\u4f46\u662f\u5141\u8bb8\u52a0\u8f7d\u672a\u7b7e\u540d\u7684gbl\uff0c\u90a3\u4e48\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2acustom abl\u4ece\u800c\u76f4\u63a5\u89e3\u9501\u52a0\u8f7d\u672a\u7ecf\u7b7e\u540d\u7684kernel\uff01
\u6211\u4eec\u4f1a\u5c3d\u529b\u7684\u3002
\u6211\u4eec\u4e5f\u6b22\u8fce\u6240\u6709\u7684\u611f\u5174\u8da3\u5e76\u4e14\u6709\u4e00\u5b9a\u80fd\u529b\u7684\u6765\u8fdb\u884c\u4ea4\u6d41\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u8f83\u4e3a\u654f\u611f\u7684\u6f0f\u6d1e\u53ef\u4ee5\u8fdb\u884c\u4e00\u5b9a\u671f\u9650\u7684\u4fdd\u5bc6\u3002
\u53ef\u4ee5\u52a0\u5165QQ\u4ea4\u6d41\u7fa4972822667\uff0c\u4e2a\u4eba\u4e0d\u559c\u6b22\u641e\u6210\u996d\u5708\u7684\u6837\u5b50<\/p>\n\n\n\n

\u90a3\u4e48\u5c31\u5b8c\u7ed3\u6492\u82b1\u5427\uff01<\/p>\n\n\n\n

\u5c0f\u7c7317# #\u7ea2\u9b5411Pro<\/h1>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u539f\u4f5c\u8005\uff1a@\u9053\u53ef\u9053official \u672c\u6587\u4ec5\u4f9b\u5b66\u4e60\u7814\u7a76\u53c2\u8003\u4f7f\u7528\u8bf7\u52ff\u5e94\u7528\u975e\u6cd5\u7528\u9014\uff0c\u9020\u6210\u540e\u679c\u4e0e\u4f5c\u8005\u65e0\u5173\uff01\u672c\u6587\u6240\u6709\u8d44\u6599\u5747 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-70","post","type-post","status-publish","format-standard","hentry","category-learn"],"_links":{"self":[{"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/posts\/70","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/comments?post=70"}],"version-history":[{"count":3,"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/posts\/70\/revisions"}],"predecessor-version":[{"id":116,"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/posts\/70\/revisions\/116"}],"wp:attachment":[{"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/media?parent=70"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/categories?post=70"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nangao.site\/index.php\/wp-json\/wp\/v2\/tags?post=70"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}