#define _GNU_SOURCE
#include <getopt.h>
-/* 指定されたファイルからCOMET II仮想メモリ(アセンブル結果)を読込 */
-bool inassemble(char *file) {
- FILE *fp;
- if((fp = fopen(file, "r")) == NULL) {
- perror(file);
- return false;
- }
- fread(memory, sizeof(WORD), MEMSIZE, fp);
- fclose(fp);
- return true;
-}
-
+/* comet2コマンドのオプション */
static struct option longopts[] = {
{"trace", no_argument, NULL, 't'},
{"tracearithmetic", no_argument, NULL, 't'},
{"tracelogical", no_argument, NULL, 'T'},
{"dump", no_argument, NULL, 'd'},
+ {"memorysize", required_argument, NULL, 'M'},
+ {"clocks", required_argument, NULL, 'C'},
{"help", no_argument, NULL, 'h'},
{0, 0, 0, 0}
};
+/* comet2のエラー定義 */
+CERR cerr_comet2[] = {
+ { 201, "load object file - full of COMET II memory" },
+ { 208, "object file is not specified" },
+};
+bool addcerrlist_comet2()
+{
+ return addcerrlist(ARRAYSIZE(cerr_comet2), cerr_comet2);
+}
+
+/* 指定されたファイルからアセンブル結果を読込 */
+bool loadassemble(char *file) {
+ FILE *fp;
+ bool status = true;
+
+ if((fp = fopen(file, "r")) == NULL) {
+ perror(file);
+ return false;
+ }
+ prog->end = prog->start +
+ fread(sys->memory, sizeof(WORD), sys->memsize - prog->start, fp);
+ if(prog->end == sys->memsize) {
+ setcerr(201, NULL); /* Load object file - full of COMET II memory */
+ fprintf(stderr, "Execute error - %d: %s\n", cerr->num, cerr->msg);
+ status = false;
+ }
+ fclose(fp);
+ return status;
+}
+
+/* comet2コマンド */
int main(int argc, char *argv[])
{
- int opt;
- const char *usage = "Usage: %s [-tTdh] FILE\n";
+ int memsize = DEFAULT_MEMSIZE, clocks = DEFAULT_CLOCKS;
+ int opt, status = 0;
+ const char *usage = "Usage: %s [-tTdh] [-M <MEMORYSIZE>] [-C <CLOCKS>] FILE\n";
- while((opt = getopt_long(argc, argv, "tTdh", longopts, NULL)) != -1) {
+ cerr_init();
+ addcerrlist_comet2();
+ /* オプションの処理 */
+ while((opt = getopt_long(argc, argv, "tTdM:C:h", longopts, NULL)) != -1) {
switch(opt) {
case 't':
- tracemode = true;
+ execmode.trace = true;
break;
case 'T':
- tracemode = true;
- logicalmode = true;
+ execmode.trace = true;
+ execmode.logical = true;
break;
case 'd':
- dumpmode = true;
+ execmode.dump = true;
+ break;
+ case 'M':
+ memsize = atoi(optarg);
+ break;
+ case 'C':
+ clocks = atoi(optarg);
break;
case 'h':
fprintf(stdout, usage, argv[0]);
- exit(-1);
+ return 0;
case '?':
fprintf(stderr, usage, argv[0]);
exit(-1);
}
}
- if(inassemble(argv[optind]) == true) {
- exec(); /* プログラム実行 */
- }
- if(cerrno > 0) {
- freecerr();
+ if(argv[optind] == NULL) {
+ setcerr(208, NULL); /* object file is not specified */
+ fprintf(stderr, "comet2 error - %d: %s\n", cerr->num, cerr->msg);
exit(-1);
}
- return 0;
+ /* COMET II仮想マシンのリセット */
+ reset(memsize, clocks);
+ prog->start = 0;
+ if(loadassemble(argv[optind]) == true) {
+ create_code_type(); /* 命令と命令タイプがキーのハッシュ表を作成 */
+ exec(); /* プログラム実行 */
+ free_code_type(); /* 命令と命令タイプがキーのハッシュ表を解放 */
+ }
+ /* COMET II仮想マシンのシャットダウン */
+ shutdown();
+ if(cerr->num > 0) {
+ status = -1;
+ }
+ /* エラーの解放 */
+ freecerr();
+ return status;
}