使用QEMU建立Mini2440的模拟环境(5)

355. - * it is not working perfectly as expected, so we cheat and load 356. - * it from nand directly relocated to 0x33f80000 and jump there 357. - */ 358. - if (mini2440_load_from_nand(s->nand, 0, S3C_RAM_BASE | 0x03f80000, 256*1024)> 0) { 359. - mini2440_printf(\); 360. - s->cpu->env->regs[15] = S3C_RAM_BASE | 0x03f80000; /* start address, u-boot already relocated * 361. - } 362. -#if 0 && defined(LATER) 363. - if (mini2440_load_from_nand(s->nand, 0, S3C_SRAM_BASE_NANDBOOT, S3C_SRAM_SIZE) > 0) { 364. - s->cpu->env->regs[15] = S3C_SRAM_BASE_NANDBOOT; /* start address, u-boot relocating code */ 365. - mini2440_printf(\); 366. - } 367. -#endif 368. - /* 369. - * if a u--boot is available as a file, we always use it 370. - */ 371. - { 372. - image_size = load_image(\, qemu_get_ram_ptr(0x03f80000)); 373. - if (image_size < 0) 374. - image_size = load_image(\, qemu_get_ram_ptr(0x03f80000)); 375. - if (image_size > 0) { 376. - if (image_size & (512 -1)) /* round size to a NAND block size */ 377. - image_size = (image_size + 512) & ~(512-1); 378. - mini2440_printf(\, image_size); 379. - s->cpu->env->regs[15] = S3C_RAM_BASE | 0x03f80000; /* start address, u-boot already reloca 380. - } 381. - } 382. - /* 383. - * if a kernel was explicitly specified, we load it too 384. - */ 385. - if (s->kernel) { 386. - image_size = load_image(s->kernel, qemu_get_ram_ptr(0x02000000)); 387. - if (image_size > 0) { 388. - if (image_size & (512 -1)) /* round size to a NAND block size */ 389. - image_size = (image_size + 512) & ~(512-1); 390. - mini2440_printf(\, s->kernel, image_size);