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dm: use getopt_long instead of getopt to parse dm cmdline

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It will be easier if we want to add more command line options
with long options.

Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
This commit is contained in:
Yin Fengwei 2018-03-09 19:21:13 +08:00 committed by Jack Ren
parent 74e2bfc15f
commit f86d91e1e1
1 changed files with 35 additions and 1 deletions
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36
devicemodel/core/main.c
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@ -41,6 +41,7 @@
#include <pthread.h>
#include <sysexits.h>
#include <stdbool.h>
#include <getopt.h>
#include "types.h"
#include "vmm.h"
@ -546,6 +547,37 @@ sig_handler_term(int signo)
mevent_notify();
}
static struct option long_options[] = {
{"no_x2apic_mode", no_argument, 0, 'a' },
{"acpi", no_argument, 0, 'A' },
{"bvmcons", no_argument, 0, 'b' },
{"pincpu", required_argument, 0, 'p' },
{"ncpus", required_argument, 0, 'c' },
{"memflags_incore", no_argument, 0, 'C' },
{"gdb_port", required_argument, 0, 'g' },
{"lpc", required_argument, 0, 'l' },
{"pci_slot", required_argument, 0, 's' },
{"memflags_wired", no_argument, 0, 'S' },
{"memsize", required_argument, 0, 'm' },
{"ioapic", no_argument, 0, 'I' },
{"vmexit_pause", no_argument, 0, 'p' },
{"strictio", no_argument, 0, 'e' },
{"rtc_localtime", no_argument, 0, 'u' },
{"uuid", required_argument, 0, 'U' },
{"strictmsr", no_argument, 0, 'w' },
{"virtio_msix", no_argument, 0, 'W' },
{"x2apic_mode", no_argument, 0, 'x' },
{"mptgen", no_argument, 0, 'Y' },
{"kernel", required_argument, 0, 'k' },
{"ramdisk", required_argument, 0, 'r' },
{"bootargs", required_argument, 0, 'B' },
{"ptdev_msi", no_argument, 0, 'M' },
{"version", no_argument, 0, 'v' },
{"gvtargs", required_argument, 0, 'G' },
{"help", no_argument, 0, 'h' },
{0, 0, 0, 0 },
};
int
main(int argc, char *argv[])
{
@ -555,6 +587,7 @@ main(int argc, char *argv[])
struct vmctx *ctx;
size_t memsize;
char *optstr;
int option_idx = 0;
bvmcons = 0;
progname = basename(argv[0]);
@ -570,7 +603,8 @@ main(int argc, char *argv[])
fprintf(stderr, "cannot register handler for SIGINT\n");
optstr = "abehuwxACHIMPSWYvk:r:B:p:g:c:s:m:l:U:G:";
while ((c = getopt(argc, argv, optstr)) != -1) {
while ((c = getopt_long(argc, argv, optstr, long_options,
&option_idx)) != -1) {
switch (c) {
case 'a':
x2apic_mode = 0;