1 files changed, 0 insertions, 120 deletions
diff --git a/src/kernel/fs/ata.c b/src/kernel/fs/ata.c
deleted file mode 100644
index 2e952a1..0000000
--- a/src/kernel/fs/ata.c
+++ /dev/null
@@ -1,120 +0,0 @@
-#include <fs/ata.h>
-#include <io/io.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <system.h>
-
-static u16 sel_base_port = 0;
-static u8 sel_master_or_slave = 0;
-
-static u32 max_sector;
-
-static u8 read_stat(u16 base)
-{
-	inb(base + COM_STAT);
-	inb(base + COM_STAT);
-	inb(base + COM_STAT);
-	inb(base + COM_STAT);
-
-	return inb(base + COM_STAT);
-}
-
-static void check_drive(u16 base, u8 master_or_slave)
-{
-	if (sel_base_port != 0)
-		return;
-
-	outb(base + DRIVE_SELECT, master_or_slave);
-
-	outb(base + SECTOR_COUNT, 0);
-	outb(base + LBA_LOW, 0);
-	outb(base + LBA_MID, 0);
-	outb(base + LBA_HIGH, 0);
-
-	outb(base + COM_STAT, IDENTIFY);
-	u8 stat = read_stat(base);
-
-	if (stat == 0)
-		return;
-
-	while ((stat & BSY) != 0)
-		stat = read_stat(base);
-
-	while ((stat & DRQ) == 0 && (stat & ERR) == 0)
-		stat = read_stat(base);
-
-	if ((stat & ERR) != 0)
-		return;
-
-	u16 drive_data[256];
-	for (u32 i = 0; i < 256; i++)
-		drive_data[i] = inw(base + DATA);
-
-	max_sector = drive_data[MAX_28LBA_SECTORS] | drive_data[MAX_28LBA_SECTORS + 1] << 16;
-
-	sel_base_port = base;
-	sel_master_or_slave = master_or_slave;
-}
-
-void ata_init()
-{
-	u8 pri_status = inb(PRIMARY_BASE + COM_STAT);
-	u8 sec_status = inb(SECONDARY_BASE + COM_STAT);
-	bool primary_floating = false;
-	bool secondary_floating = false;
-	if (pri_status == 0xFF)
-		primary_floating = true;
-	if (sec_status == 0xFF)
-		secondary_floating = true;
-
-	if (primary_floating && secondary_floating) {
-		log("No drives attached! What's going on?");
-		return;
-	}
-
-	check_drive(PRIMARY_BASE, SEL_MASTER);
-	check_drive(PRIMARY_BASE, SEL_SLAVE);
-	check_drive(SECONDARY_BASE, SEL_MASTER);
-	check_drive(SECONDARY_BASE, SEL_SLAVE);
-
-	if (sel_base_port == 0)
-		log("No drives attached! What's going on?");
-	else {
-		log("Found drive: Selecting %s on the %s bus",
-		    sel_master_or_slave == SEL_MASTER ? "master" : "slave",
-		    sel_base_port == PRIMARY_BASE ? "primary" : "secondary");
-		log("Max LBA value is %d", max_sector);
-	}
-}
-
-static void poll()
-{
-	u8 stat;
-
-	do
-		stat = read_stat(sel_base_port);
-	while ((stat & BSY) != 0);
-}
-
-void read_abs_sectors(u32 lba, u8 sector_count, u16 buf[])
-{
-	assert(lba >> LBA_BITS == 0);
-
-	outb(sel_base_port + DRIVE_SELECT, (lba >> (LBA_BITS - 4)) | sel_master_or_slave | 1 << 6);
-	outb(sel_base_port + SECTOR_COUNT, sector_count);
-
-	outb(sel_base_port + LBA_LOW, lba & 0xFF);
-	outb(sel_base_port + LBA_MID, (lba >> 8) & 0xFF);
-	outb(sel_base_port + LBA_HIGH, (lba >> 16) & 0xFF);
-
-	outb(sel_base_port + COM_STAT, READ_SECTORS);
-
-	u32 i = 0;
-	for (; sector_count > 0; sector_count--) {
-		poll();
-
-		asm("rep insw" ::"c"(SECTOR_SIZE / 2), "d"(sel_base_port + DATA), "D"(buf + i));
-		i += SECTOR_SIZE / 2;
-	}
-}
-\ No newline at end of file