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3c4b69650e
* JetHome: add basic files for JetHub D1/H1 boards Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> * JetHome: add uboot patches Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> * JetHome: add kernel patches for JetHub D1/H1 (backport from 5.16-dt kernel) Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> * JetHome: add bsp packages for JetHub D1/H1 Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> * JetHome: add kernel options for hardware JetHub D1/H1 Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> * JetHome: fix targets-cli-beta.conf for JetHub D1/H1 Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> * JetHome: add axg uboot creation function for JetHub D1 Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in>
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#include "jethub_get_cmdline_arg.h"
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void showUsage(const char *selfName) {
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std::cerr << "Utility to get key from kernel's command-line parameters.\n"
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<< "Only key=value parameters are parsed\n"
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<< '\n'
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<< "Usage: " << selfName << " <key>\n"
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<< '\n'
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<< " example 1:\n"
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<< selfName << " cpuid\n"
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<< " output:\n"
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<< "210da40001a64046fa79108b844fbb81\n"
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<< '\n'
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<< " example 2:\n"
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<< selfName << " mac\n"
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<< " output:\n"
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<< "10:27:be:08:00:37\n"
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<< std::endl;
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}
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int main(int argc, char* argv[]) {
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const uint8_t argumentsExpected = 1;
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const uint8_t noArgumentsArgc = 1;
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int returnCode = EXIT_SUCCESS;
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if (argc == noArgumentsArgc + argumentsExpected) {
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const std::string requestedKeyname(argv[1]);
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if (requestedKeyname.size() > 0) {
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returnCode = displayCmdlineArg(requestedKeyname);
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} else {
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std::cerr << "Empty keyname in argument" << std::endl;
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returnCode = EXIT_FAILURE;
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}
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} else {
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showUsage(argv[0]);
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returnCode = EXIT_FAILURE;
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}
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return returnCode;
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}
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