| 77 | } |
| 78 | |
| 79 | u32 floppy_sendbyte( u32 value ) |
| 80 | { |
| 81 | u8 stat, i; |
| 82 | |
| 83 | for ( i = 0; i < 128; i++ ) { |
| 84 | stat = inb( FD_STATUS ) & (STATUS_READY|STATUS_DIR); //读取状态寄存器 |
| 85 | if ( stat == STATUS_READY ) |
| 86 | { |
| 87 | OUTB( value ,FD_DATA); //将参数写入数据寄存器 |
| 88 | return 1; |
| 89 | } |
| 90 | io_delay(); // 作一些延迟 |
| 91 | } |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | |
| 96 | u32 floppy_getbyte(void) |
no test coverage detected