forked from AbleOS/ableos
PS/2 driver going well (it still doesn't work)
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parent
98b15d4c10
commit
11976b752f
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@ -1,35 +1,52 @@
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.{memory, log} := @use("../../../libraries/stn/src/lib.hb");
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.{bit5} := @use("bits.hb")
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.{bit0, bit5} := @use("bits.hb")
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$disable_port1 := fn(): void memory.outb(0x64, 0xAD)
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$enable_port1 := fn(): void memory.outb(0x64, 0xAE)
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$disable_port2 := fn(): void memory.outb(0x64, 0xA7)
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$enable_port2 := fn(): void memory.outb(0x64, 0xA8)
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//TODO test functions
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/*test_port1 := fn(): bool {
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}*/
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get_config_byte := fn(): u8 {
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memory.outb(0x64, 0x20)
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loop if has_input(get_info()) break
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return memory.inb(0x60)
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}
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Info := struct {d: u8}
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$get_info := fn(): u8 return .(memory.inb(0x64))
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$has_input := fn(info: Info): bool return bit0(info.d)
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flush_input := fn(): void {
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loop if has_input(get_info()) == false break else memory.inb(0x60)
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}
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init := fn(): void {
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memory.outb(0x64, 0xAD)
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memory.outb(0x64, 0xA7)
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disable_port1()
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disable_port2()
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//Disables ports to make sure that they won't interfere with the setup process.
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loop if (memory.inb(0x64) & 1) == 0 break else memory.inb(0x60)
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//Flushes any output because apperantly that might interfere with stuff.
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flush_input()
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memory.outb(0x64, 0xA8)
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//Enables port 2.
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memory.outb(0x64, 0x20)
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//Gimme configuration byte.
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loop if (memory.inb(0x64) & 1) == 1 break
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ports[1].exists = bit5(memory.inb(0x60)) == false
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if ports[1].exists {
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memory.outb(0x64, 0xA7)
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}
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enable_port2()
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ports[1].exists = bit5(@inline(get_config_byte)) == false
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disable_port2()
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loop if (memory.inb(0x64) & 1) == 0 break else memory.inb(0x60)
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//Flushes any output because apperantly that might interfere with stuff.
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flush_input()
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memory.outb(0x64, 0xAB)
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loop if (memory.inb(0x64) & 1) == 1 break
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loop if has_input(get_info()) break
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ports[0].exists = memory.inb(0x60) == 0x0
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//Test port 1.
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if ports[1].exists {
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memory.outb(0x64, 0xA9)
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loop if (memory.inb(0x64) & 1) == 1 break
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loop if has_input(get_info()) break
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ports[1].exists = memory.inb(0x60) == 0x0
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}
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//Test port 2.
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@ -40,14 +57,12 @@ init := fn(): void {
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if ports[0].exists {
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log.info("Port 1 exists.\0")
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memory.outb(0x64, 0xAE)
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//Enables port 1.
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enable_port1()
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ports[0].commands_queued = 1
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}
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if ports[1].exists {
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log.info("Port 2 exists.\0")
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memory.outb(0x64, 0xA8)
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//Enables port 2.
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enable_port2()
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ports[1].commands_queued = 1
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}
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}
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12
sysdata/programs/ps2_driver/src/devices.hb
Normal file
12
sysdata/programs/ps2_driver/src/devices.hb
Normal file
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@ -0,0 +1,12 @@
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DeviceID := struct {value: u16}
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$Mouse3Button := DeviceID.(0x0)
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$MouseScrollwheel := DeviceID.(0x3)
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$Mouse5Button := DeviceID.(0x4)
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$Spacesaver := DeviceID.(0x84AB)
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$Keyboard122Key := DeviceID.(0x86AB)
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$KeyboardJapaneseG := DeviceID.(0x90AB)
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$KeyboardJapanesep := DeviceID.(0x91AB)
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$KeyboardJapaneseA := DeviceID.(0x92AB)
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$KeyboardNCDSun := DeviceID.(0xA1AC)
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$NoDevice := DeviceID.(0xFFFF)
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@ -1,3 +1,5 @@
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.{DeviceID} := @use("devices.hb")
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Port := struct {
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exists: bool
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device: DeviceID
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