WhyCan Forum(哇酷开发者社区)

copy from `../output/xboot' [elf32-littlearm] to `../output/xboot.bin' [binary]
Make header information for brom booting
The bootloader head has been fixed, spl size is 32768 bytes.
Ecdsa256 public key:
        03cfd18e4a4b40d6529448aa2df8bbb677128258b8fbfc5b9e492fbbba4e84832f
Ecdsa256 private key:
        dc57b8a9e0e2b7f8b4c929bd8db2844e53f01f171bbcdf6e628908dbf2b2e6a9
Compressed 4595712 bytes into 2987194 bytes ==> 64.999591%

void test()
{
	sys_uart_putc('B');
	sys_uart_putc('o');
	sys_uart_putc('o');
	sys_uart_putc('t');
	sys_uart_putc(' ');
	sys_uart_putc('t');
	sys_uart_putc('o');
	sys_uart_putc(' ');
	sys_uart_putc('F');
	sys_uart_putc('E');
	sys_uart_putc('L');
	sys_uart_putc(' ');
	sys_uart_putc('m');
	sys_uart_putc('o');
	sys_uart_putc('d');
	sys_uart_putc('e');
	sys_uart_putc('\r');
	sys_uart_putc('\n');
}

void sys_copyself(void)
{
	int d = get_boot_device();
	test();
	if(d == BOOT_DEVICE_SPINOR)
	{
		struct zdesc_t * z = (struct zdesc_t *)__heap_start;
		void * mem = (void *)__image_start;
		void * tmp = (void *)z + sizeof(struct zdesc_t);
		uint32_t size = __image_end - __image_start;

		sys_mmu_init();
		sys_spinor_init();
		sys_spinor_read(65536, z, sizeof(struct zdesc_t));
		sys_spinor_exit();
		if((z->magic[0] == 'Z') && (z->magic[1] == 'B') && (z->magic[2] == 'L') && (z->magic[3] == '!'))
		{
			//if(sys_verify((char *)z->pubkey, (char *)z->sha256, (char *)z->signature))
			{
				uint32_t csize = (z->csize[0] << 24) | (z->csize[1] << 16) | (z->csize[2] << 8) | (z->csize[3] << 0);
				uint32_t dsize = (z->dsize[0] << 24) | (z->dsize[1] << 16) | (z->dsize[2] << 8) | (z->dsize[3] << 0);
				sys_spinor_init();
				sys_spinor_read(65536 + sizeof(struct zdesc_t), tmp, csize);
				sys_spinor_exit();
				//if(sys_hash((char *)(&z->majoy), (sizeof(struct zdesc_t) - 100) + csize, (char *)z->sha256))
				{
					sys_decompress(tmp, csize, mem, dsize);
				}
			}
		}
		else
		{
			sys_spinor_init();
			sys_spinor_read(0, mem, size);
			sys_spinor_exit();
		}
	}
	else if(d == BOOT_DEVICE_SPINAND)
	{
		struct zdesc_t * z = (struct zdesc_t *)__heap_start;
		void * mem = (void *)__image_start;
		void * tmp = (void *)z + sizeof(struct zdesc_t);
		uint32_t size = __image_end - __image_start;
		#if 0
		sys_mmu_init();
		sys_spinand_init();
		sys_spinand_read(1048576 + 65536, z, sizeof(struct zdesc_t));
		sys_spinand_exit();
		if((z->magic[0] == 'Z') && (z->magic[1] == 'B') && (z->magic[2] == 'L') && (z->magic[3] == '!'))
		{
			//if(sys_verify((char *)z->pubkey, (char *)z->sha256, (char *)z->signature))
			{
				uint32_t csize = (z->csize[0] << 24) | (z->csize[1] << 16) | (z->csize[2] << 8) | (z->csize[3] << 0);
				uint32_t dsize = (z->dsize[0] << 24) | (z->dsize[1] << 16) | (z->dsize[2] << 8) | (z->dsize[3] << 0);
				sys_spinand_init();
				sys_spinand_read(1048576 + 65536 + sizeof(struct zdesc_t), tmp, csize);
				sys_spinand_exit();
				//if(sys_hash((char *)(&z->majoy), (sizeof(struct zdesc_t) - 100) + csize, (char *)z->sha256))
				{
					sys_decompress(tmp, csize, mem, dsize);
				}
			}
		}
		else
		#endif
		{
			sys_spinand_init();
			sys_spinand_read(1048576, mem, size);
			sys_spinand_exit();
		}
	}
	else if(d == BOOT_DEVICE_SDCARD)
	{
	}
}