C++ (Cpp) waitdisk示例

示例#1

文件： main.c 项目： AlexLiuyuren/myos

/* 读磁盘的一个扇区 */
void
readsect(void *dst, int offset) {
	int i;
	waitdisk();
	out_byte(0x1F2, 1);
	out_byte(0x1F3, offset);
	out_byte(0x1F4, offset >> 8);
	out_byte(0x1F5, offset >> 16);
	out_byte(0x1F6, (offset >> 24) | 0xE0);
	out_byte(0x1F7, 0x20);

	waitdisk();
	for (i = 0; i < SECTSIZE / 4; i ++) {
		((int *)dst)[i] = in_long(0x1F0);
	}
}

示例#2

文件： bootmain.c 项目： i/xv6

// Read a single sector at offset into dst.
void
readsect(void *dst, uint offset)
{
  // Issue command.
  waitdisk();
  outb(0x1F2, 1);   // count = 1
  outb(0x1F3, offset);
  outb(0x1F4, offset >> 8);
  outb(0x1F5, offset >> 16);
  outb(0x1F6, (offset >> 24) | 0xE0);
  outb(0x1F7, 0x20);  // cmd 0x20 - read sectors

  // Read data.
  waitdisk();
  insl(0x1F0, dst, SECTSIZE/4);
}

示例#3

文件： bootmain.c 项目： nwf/xv6-public

// Read a single sector at offset into dst.
void
readsect(void *dst, uint offset)
{
  // Issue command.
  waitdisk();
  outb(IDE_DATA_PRIMARY+IDE_REG_SECTORS, 1);
  outb(IDE_DATA_PRIMARY+IDE_REG_LBA0, offset & 0xff);
  outb(IDE_DATA_PRIMARY+IDE_REG_LBA1, (offset >> 8) & 0xff);
  outb(IDE_DATA_PRIMARY+IDE_REG_LBA2, (offset >> 16) & 0xff);
  outb(IDE_DATA_PRIMARY+IDE_REG_DISK,
    ((offset >> 24) & 0x0f) | IDE_DISK_LBA);
  outb(IDE_DATA_PRIMARY+IDE_REG_COMMAND, IDE_CMD_READ);

  // Read data.
  waitdisk();
  insl(IDE_DATA_PRIMARY+IDE_REG_DATA, dst, SECTOR_SIZE/4);
}

示例#4

文件： main.c 项目： AlexLiuyuren/myos

//write disk
void
writesect(void *src, int offset) {
	int i;
	waitdisk();
	out_byte(0x1F2, 1);
	out_byte(0x1F3, offset);
	out_byte(0x1F4, offset >> 8);
	out_byte(0x1F5, offset >> 16);
	out_byte(0x1F6, (offset >> 24) | 0xE0);
	out_byte(0x1F7, 0x20);

	waitdisk();
	for (i = 0; i < SECTSIZE / 4; i ++) {
		//((int *)dst)[i] = in_long(0x1F0);
		out_long(0x1F0,((unsigned int*)src)[i]);
	}
}

示例#5

文件： bootmain.c 项目： hjx1993/ucore_lab

/* readsect - read a single sector at @secno into @dst */
static void
readsect(void *dst, uint32_t secno) {
    // wait for disk to be ready
    waitdisk();

    outb(0x1F2, 1);                         // count = 1
    outb(0x1F3, secno & 0xFF);
    outb(0x1F4, (secno >> 8) & 0xFF);
    outb(0x1F5, (secno >> 16) & 0xFF);
    outb(0x1F6, ((secno >> 24) & 0xF) | 0xE0);
    outb(0x1F7, 0x20);                      // cmd 0x20 - read sectors

    // wait for disk to be ready
    waitdisk();

    // read a sector
    insl(0x1F0, dst, SECTSIZE / 4);
}

示例#6

文件： loader.c 项目： PierreBanwarth/M2M-First-step

static 
void readsect(void *dst, uint32_t offset) {
  // wait for disk to be ready
  waitdisk();
  
  outb(0x1F2, 1);		// count = 1
  outb(0x1F3, offset);
  outb(0x1F4, offset >> 8);
  outb(0x1F5, offset >> 16);
  outb(0x1F6, (offset >> 24) | 0xE0);
  outb(0x1F7, 0x20);		// cmd 0x20 - read sectors
  
  // wait for disk to be ready
  waitdisk();
  
  // read a sector
  insl(0x1F0, dst, SECTSIZE / 4);
}

示例#7

文件： disk.c 项目： darkzyy/nemu_2014_fall

static void
ide_prepare(uint32_t sector) {
	waitdisk();

//	out_byte(IDE_PORT_CTRL, 0);
	out_byte(IDE_PORT_BASE + 2, 1);
	out_byte(IDE_PORT_BASE + 3, sector & 0xFF);
	out_byte(IDE_PORT_BASE + 4, (sector >> 8) & 0xFF);
	out_byte(IDE_PORT_BASE + 5, (sector >> 16) & 0xFF);
	out_byte(IDE_PORT_BASE + 6, 0xE0 | ((sector >> 24) & 0xFF));
}

示例#8

文件： disk.c 项目： darkzyy/nemu_2014_fall

void
disk_do_read(void *buf, uint32_t sector) {
	int i;

	ide_prepare(sector);
	issue_read();

	waitdisk();
	for (i = 0; i < 512 / sizeof(uint32_t); i ++) {
		*(((uint32_t*)buf) + i) = in_long(IDE_PORT_BASE);
	}
}

示例#9

文件： ata.c 项目： archibate/Lake-OS

void ata_rwsects(int drv_slave, int rwtype,
		void *buf, lba_t lba, unsigned count)
{
	ATA_CRIT_BEGIN(1);
	ata_cmd_out(drv_slave, rwtype, lba, count);
	waitdisk();
	if (rwtype == ATA_READ) {
		ata_data_in(buf, count);
	} else if (rwtype == ATA_WRITE) {
		ata_data_out(buf, count);
	} else {
		assert(0);
	}
	ATA_CRIT_END(1);
}