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minor sketch work for ata

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Able 2024-12-04 03:53:13 -06:00
parent 82b9cb1206
commit 559f25bb4e
2 changed files with 53 additions and 5 deletions
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54
sysdata/programs/diskio_driver/src/main.hb
View file

@ -1,4 +1,6 @@
.{memory, buffer} := @use("../../../libraries/stn/src/lib.hb")
.{memory, buffer, log} := @use("../../../libraries/stn/src/lib.hb")
// Influenced by https://github.com/levex/osdev/blob/master/drivers/ata.c
main := fn(): int {
// shuts down ableOS
@ -7,7 +9,53 @@ main := fn(): int {
a := memory.inb(0x4600)
b := memory.inb(0x4700)
c := buffer.search("XNumber\0")
// c := buffer.search("XNumber\0")
ata := ATA.new()
return 0
}
ATA_PRIMARY := @as(u8, @intcast(0x0))
ATA_PRIMARY_IO := @as(u8, @intcast(0x1F0))
ATA_REG_HDDEVSEL := @as(u8, @intcast(0x6))
ATA_MASTER := @as(u8, @intcast(0x0))
IDE := struct {}
ide_select_drive := fn(bus: u8, i: u8): void {
if bus == ATA_PRIMARY {
if i == ATA_MASTER {
// BUG: Causes qemu to crash
// memory.outb(ATA_PRIMARY_IO + ATA_REG_HDDEVSEL, 0xA0)
} else {
// outportb(ATA_PRIMARY_IO + ATA_REG_HDDEVSEL, 0xB0);
}
} else {
if i == ATA_MASTER {
// outportb(ATA_SECONDARY_IO + ATA_REG_HDDEVSEL, 0xA0);
} else {
// outportb(ATA_SECONDARY_IO + ATA_REG_HDDEVSEL, 0xB0)
}
}
}
identify := fn(bus: u8, drive: u8): bool {
io := 0
ide_select_drive(bus, drive)
if bus == ATA_PRIMARY {
io = ATA_PRIMARY_IO
}
return true
}
ata_probe := fn(): void {
if identify(ATA_PRIMARY, ATA_MASTER) {
}
}
ATA := struct {
new := fn(): void {
ata_probe()
}
}

4
sysdata/system_config.toml
View file

@ -25,8 +25,8 @@ resolution = "1024x768x24"
# [boot.limine.ableos.modules.render_example]
# path = "boot:///render_example.hbf"
# [boot.limine.ableos.modules.horizon]
# path = "boot:///horizon.hbf"
[boot.limine.ableos.modules.diskio_driver]
path = "boot:///diskio_driver.hbf"
[boot.limine.ableos.modules.ps2_mouse_driver]
path = "boot:///ps2_mouse_driver.hbf"