summaryrefslogtreecommitdiff
path: root/kernel/drivers/ata.h
diff options
context:
space:
mode:
authorAnton Kling <anton@kling.gg>2023-10-30 22:12:14 +0100
committerAnton Kling <anton@kling.gg>2023-10-31 00:18:38 +0100
commit8a9208612eec8ddae4c418485d848ecfa0613699 (patch)
tree2f4b29200c2f0c19ae52f45bdb9b38a41b356e30 /kernel/drivers/ata.h
parentca76600acc8bf7a02346efa5bd8f17072210ec01 (diff)
Meta: Move kernel and userland to their own folders.
This is to allow both the kernel and the userland to share certain header files and to make the folder structure a bit more clear.
Diffstat (limited to 'kernel/drivers/ata.h')
-rw-r--r--kernel/drivers/ata.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/drivers/ata.h b/kernel/drivers/ata.h
new file mode 100644
index 0000000..3e88d7f
--- /dev/null
+++ b/kernel/drivers/ata.h
@@ -0,0 +1,16 @@
+#include "../cpu/idt.h"
+#include <stddef.h>
+
+#define SECTOR_SIZE 512
+
+void ata_init(void);
+
+void read_drive_chs(uint8_t head_index, uint8_t sector_count,
+ uint8_t sector_index, uint8_t cylinder_low_value,
+ uint8_t cylinder_high_value, void *address);
+void read_drive_lba(uint32_t lba, uint8_t sector_count, void *address);
+void read_lba(uint32_t lba, void *address, size_t size, size_t offset);
+void write_lba(uint32_t lba, volatile void *address, size_t size,
+ size_t offset);
+void ata_write_lba28(uint32_t lba, uint32_t sector_count,
+ volatile const uint8_t *buffer);