5 if (keybuf_c < KEYBUFSIZ) {
8 keybuf_w = (keybuf_w + 1) & (KEYBUFSIZ - 1);
13 int osecpuMain(int argc, char **argv)
15 unsigned char *appbin = malloc(APPSIZ1), *up;
16 unsigned char *jitbuf = mallocRWE(1024 * 1024); /* とりあえず1MBで */
17 //unsigned char *sysjit0 = mallocRWE(SJITSIZ1), *sysjit1 = sysjit0, *sysjit00 = sysjit0;
19 // syslib.oseのjitc結果を格納する領域を確保。
20 unsigned char *sysjit00 = mallocRWE(SJITSIZ1);
22 // 現在の、jitc結果を格納するメモリへの書き込み位置のアドレス
23 unsigned char *sysjit = sysjit00;
25 unsigned char *systmp0 = malloc(SYSTMP0SIZ);
26 unsigned char *systmp1 = malloc(SYSTMP1SIZ);
27 unsigned char *systmp2 = malloc(1024 * 1024), *opTbl = malloc(256);
28 struct LabelTable *label = malloc(JITC_MAXLABELS * sizeof (struct LabelTable));
29 int level = JITC_LV_SLOWEST, tmpsiz, i;
30 keybuf = malloc(KEYBUFSIZ * sizeof (int));
31 keybuf_r = keybuf_w = keybuf_c = 0;
34 struct PtrCtrl *ptrCtrl = malloc(PTRCTRLSIZ * sizeof (struct PtrCtrl));
36 randStatInit((unsigned int)time(NULL));
37 for (i = 0; i < PTRCTRLSIZ; i++) {
38 ptrCtrl[i].liveSign = 0;
44 unsigned char *syslib = malloc(SYSLIBSIZ1);
46 FILE *fp = fopen(SYSLIB_OSE, "rb");
49 strcpy(syslib + 1, argv[0]);
51 while (*up != '¥0') up++;
52 while (*up != '/' && *up != 0x5c) up--;
54 strcpy(up, SYSLIB_OSE);
55 fp = fopen(syslib + 1, "rb");
58 fputs("syslib-file fopen error.¥n", stderr);
61 appsiz0 = fread(syslib, 1, SYSLIBSIZ1 - 4, fp);
63 if (appsiz0 >= SYSLIBSIZ1 - 4) {
64 fputs("syslib-file too large.¥n", stderr);
67 if (syslib[0] == 0x05 && syslib[1] == 0xc1) {
69 // 一体この部分ではなにをやっているのだろう?
70 // OSECPUに0x05, 0x1bという命令はないが... ヘッダ?
71 // どうせ初めからの32バイトは無視されるのだろうに...
73 memcpy(systmp0, syslib, appsiz0);
74 ComLib_main(systmp0 + 2, syslib + 2);
79 FILE *fp2 = fopen("syslib_dbg.ose", "wb");
80 fwrite(syslib, 1, SYSLIBSIZ1, fp2);
83 // jutc.cのerrHndl()をCALLするネィティブコードを挿入。
84 // sysjitの値は次の書き込み位置へずらされる。
85 // 元々のsysjitはsysjit00へ保存されている。
86 sysjit = jitCompInit(sysjit);
88 // sysjit (アドレス変数)は下の関数の実行で変更される(だから参照渡し)
89 // もちろんsysjitの値は次の書き込み位置へずらされる。
90 // labelはjitc0()内で初期化される。
91 i = jitc0(&sysjit, sysjit00 + SJITSIZ1, syslib + 32, syslib + SYSLIBSIZ1, JITC_LV_FASTEST, label);
93 fputs("syslib-file JITC error.¥n", stderr);
97 // エラー時にデバッグ用に表示する変数を加算
101 if (argc <= 1) { return 0; }
102 const unsigned char *argv1 = argv[1];
103 if (argv1[0] == ':' && argv1[2] == ':') {
104 level = argv1[1] - '0';
105 if (level < 0 || level > 9)
106 level = JITC_LV_SLOWEST;
109 fp = fopen(argv1, "rb");
111 fputs("app-file load error.¥n", stderr);
114 appsiz1 = appsiz0 = fread(appbin, 1, APPSIZ1 - 4, fp);
116 if (appsiz0 >= APPSIZ1 - 4) {
117 fputs("app-file too large.¥n", stderr);
122 fputs("app-file header error.¥n", stderr);
126 tm0 = clock() / (double)CLOCKS_PER_SEC;
128 if (appbin[2] == 0xf0) {
130 appsiz1 = tek5Decomp(appbin + 2, appbin + appsiz0, systmp0) + 2;
135 fputs("unsupported-format(tek5)¥n", stderr);
140 int argDebug = 0, stacksiz = 1;
141 const unsigned char *cp = searchArg(argc, argv, "debug:", 0);
142 if (cp != NULL) argDebug = *cp - '0';
143 cp = searchArg(argc, argv, "stack:", 0);
144 if (cp != NULL) stacksiz = strtol(cp, NULL, 0);
147 void(*jitfunc)(char *);
148 unsigned char *jp = jitbuf; /* JIT-pointer */
150 /* フロントエンドコードをバックエンドコードに変換する */
151 if ((appbin[2] & 0xf0) != 0) {
152 systmp0[0] = appbin[0];
153 systmp0[1] = appbin[1];
154 regs.preg[2].p = systmp0 + 2;
155 regs.preg[3].p = systmp0 + SYSTMP0SIZ;
156 regs.preg[4].p = appbin + 2;
157 regs.preg[5].p = appbin + appsiz1;
158 regs.preg[6].p = systmp1;
159 regs.preg[7].p = systmp1 + SYSTMP1SIZ;
160 regs.preg[10].p = systmp2;
161 int pxxFlag[64], typLabel[4096];
162 regs.preg[0x0b].p = (void *)pxxFlag;
163 regs.preg[0x0c].p = (void *)typLabel;
164 regs.preg[0x0d].p = opTbl;
165 jitfunc = (void *)sysjit;
166 (*jitfunc)(((char *)®s) + 128); /* サイズを節約するためにEBPを128バイトずらす */
167 if (regs.ireg[0] != 0) {
168 jp = regs.preg[2].p - 1;
169 fprintf(stderr, "unpack error: %02X (at %06X) (R00=%d)¥n", *jp, jp - systmp0, regs.ireg[0]);
170 if ((argDebug & 2) != 0) {
171 fp = fopen("debug2.bin", "wb");
172 fwrite(systmp0, 1, jp - systmp0 + 16, fp);
177 tmpsiz = regs.preg[2].p - systmp0;
180 memcpy(systmp0, appbin, appsiz1);
184 if ((argDebug & 2) != 0) {
185 fp = fopen("debug2.bin", "wb");
186 fwrite(systmp0, 1, tmpsiz, fp);
190 i = jitc0(&jp, jitbuf + 1024 * 1024, systmp0, systmp0 + tmpsiz, level, label);
191 if (i == 1) goto header_error;
192 if (i != 0) return 1;
195 int appsiz2 = jp - jitbuf;
197 unsigned char *p28 = jp;
198 jp = jitCompCallFunc(jp, &devFunc);
200 tm1 = clock() / (double)CLOCKS_PER_SEC;
203 for (i = 0; i < 64; i++)
205 for (i = 0; i < 64; i++) {
206 regs.preg[i].p = NULL;
207 regs.preg[i].typ = -1;
208 regs.preg[i].p0 = NULL;
209 regs.preg[i].p1 = NULL;
214 regs.buf0 = regs.buf1 = NULL;
215 regs.preg[0x28].p = p28;
216 regs.preg[0x28].typ = 0; // TYP_CODE
217 regs.preg[0x28].p0 = p28;
218 regs.preg[0x28].p1 = p28 + 1;
219 // regs.preg[0x00].p = malloc(1024 * 1024) + (1024 * 1024 - 32);
220 regs.junkStack = malloc(stacksiz << 20);
221 regs.junkStack1 = regs.junkStack + (stacksiz << 20);
224 regs.setjmpEnv = &setjmpEnv;
225 regs.lastConsoleChar = '¥n';
228 regs.maxLabels = JITC_MAXLABELS;
230 regs.jitbuf1 = jitbuf + 1024 * 1024;
231 regs.errHndl = &errorHandler;
233 if (searchArg(argc, argv, "dbgr:1", 0) != NULL) regs.dbgr = 1;
235 if ((argDebug & 1) != 0) {
236 fp = fopen("debug1.bin", "wb");
237 fwrite(jitbuf, 1, jp - jitbuf, fp);
242 jitfunc = (void *)jitbuf;
243 if (setjmp(setjmpEnv) == 0)
244 (*jitfunc)(((char *)®s) + 128); /* サイズを節約するためにEBPを128バイトずらす */
245 if (regs.autoSleep != 0) {
247 drv_flshWin(v_xsiz, v_ysiz, 0, 0);
248 while (regs.winClosed == 0)
251 if (regs.lastConsoleChar != '¥n')
254 tm2 = clock() / (double)CLOCKS_PER_SEC;
256 /* 実行結果確認のためのレジスタダンプ */
257 if (searchArg(argc, argv, "verbose:1", 0) != NULL) {
258 printf("time: JITC=%.3f[sec], exec=%.3f[sec]¥n", tm1 - tm0, tm2 - tm1);
259 printf("size: OSECPU=%d, decomp=%d, tmp=%d, native=%d¥n", appsiz0, appsiz1, tmpsiz, appsiz2);
261 printf("R00:0x%08X R01:0x%08X R02:0x%08X R03:0x%08X¥n", regs.ireg[0], regs.ireg[1], regs.ireg[2], regs.ireg[3]);
263 #if (USE_DEBUGGER != 0)
269 int main(int argc, char **argv)
271 // Program entry point
273 return osecpuMain(argc, argv);