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The util_arch module is supposed to provide general information about the underlying architecture of the machine in use. Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com> Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/**
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* util_arch_example - Example program for util_arch
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*
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* Copyright IBM Corp. 2021
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include <err.h>
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//! [code]
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#include "lib/util_arch.h"
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#include "lib/util_opt.h"
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#include "lib/util_prg.h"
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static const struct util_prg prg = {
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.desc = "Example for util_arch.",
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.copyright_vec = {
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{
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.owner = "IBM Corp.",
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.pub_first = 2021,
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.pub_last = 2021,
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},
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UTIL_PRG_COPYRIGHT_END
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}
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};
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static struct util_opt opt_vec[] = {
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UTIL_OPT_HELP,
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UTIL_OPT_VERSION,
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UTIL_OPT_END
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};
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int main(int argc, char *argv[])
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{
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int mach_type;
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unsigned long hsa_maxsize;
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util_prg_init(&prg);
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util_opt_init(opt_vec, NULL);
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while (1) {
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int opt = util_opt_getopt_long(argc, argv);
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if (opt == -1)
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break;
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switch (opt) {
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case 'h':
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util_prg_print_help();
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util_opt_print_help();
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exit(EXIT_SUCCESS);
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case 'v':
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util_prg_print_version();
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exit(EXIT_SUCCESS);
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case '?':
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default:
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fprintf(stderr, "Try '--help' for more information.\n");
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exit(EXIT_FAILURE);
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}
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}
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mach_type = util_arch_machine_type();
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hsa_maxsize = util_arch_hsa_maxsize();
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printf("Machine type: %s (%d)\n",
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util_arch_machine_type_to_str(mach_type), mach_type);
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printf("This machine type: %s\n", util_arch_machine_type_str());
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printf("HSA max. size: %lu MiB\n", hsa_maxsize / (1024 * 1024));
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return EXIT_SUCCESS;
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}
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//! [code]
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