diff options
Diffstat (limited to 'tools/firmware/hvmloader/acpi/mk_dsdt.c')
| -rw-r--r-- | tools/firmware/hvmloader/acpi/mk_dsdt.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/tools/firmware/hvmloader/acpi/mk_dsdt.c b/tools/firmware/hvmloader/acpi/mk_dsdt.c index f97da50e2f..2b21364902 100644 --- a/tools/firmware/hvmloader/acpi/mk_dsdt.c +++ b/tools/firmware/hvmloader/acpi/mk_dsdt.c @@ -1,6 +1,9 @@ #include <stdio.h> #include <stdarg.h> #include <stdint.h> +#include <string.h> +#include <getopt.h> +#include <stdlib.h> #include <xen/hvm/hvm_info_table.h> static unsigned int indent_level; @@ -71,12 +74,44 @@ static void decision_tree( pop_block(); } +static struct option options[] = { + { "maxcpu", 1, 0, 'c' }, + { 0, 0, 0, 0 } +}; + int main(int argc, char **argv) { unsigned int slot, dev, intx, link, cpu, max_cpus = HVM_MAX_VCPUS; - /* Extract optional maximum-cpu specification from invocation name. */ - sscanf(argv[0], "%*[^0-9]%u", &max_cpus); /* e.g., ./mk_dsdt15 */ + for ( ; ; ) + { + int opt = getopt_long(argc, argv, "", options, NULL); + if ( opt == -1 ) + break; + + switch ( opt ) + { + case 'c': { + long i = 0; + char *endptr; + + i = strtol(optarg, &endptr, 10); + if ( (*optarg != '\0') && (*endptr == '\0') && (i >= 0) ) + { + max_cpus = i; + } + else if ( !(strcmp(optarg, "any") == 0) ) + { + fprintf(stderr, "`%s' is not a number or is < 0.\n", optarg); + return -1; + } + break; + } + default: + fprintf(stderr, "options not supported.\n"); + return -1; + } + } /**** DSDT DefinitionBlock start ****/ /* (we append to existing DSDT definition block) */ |