Adds prototype keyboard driver.
This commit is contained in:
Felix Queissner
parent
5b5b381a2c
commit
f1a85fac20
2 changed files with 315 additions and 44 deletions
109
scripts/main.cu
109
scripts/main.cu
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@ -16,6 +16,12 @@ NATIVE toUInt32(…) → UINT32;
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# NATIVE toBool(…) → BOOL;
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# NATIVE toText(…) → TEXT;
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TYPE CpuState IS
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eax : UINT32;
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ebx : UINT32;
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ecx : UINT32;
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END
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PRI sendCommand(cmd : UINT8)
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BEGIN
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# Warten bis die Tastatur bereit ist, und der Befehlspuffer leer ist
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@ -36,13 +42,18 @@ BEGIN
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# sendCommand(244u8);
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END
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PRI handleKeyPress(keycode : INT, released : BOOL)
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BEGIN
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IF released = FALSE THEN
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print("[keycode=", keycode, "]\n");
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END
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END
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PUB main() | i : INT
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BEGIN
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print("Initialize keyboard...\n");
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initKeyboard();
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print(toInt8(16), "\n");
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print("Hello World!\n");
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1 → i;
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WHILE i <= 5 DO
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@ -51,21 +62,83 @@ BEGIN
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END
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END
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TYPE CpuState IS
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eax : UINT32;
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ebx : UINT32;
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ecx : UINT32;
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# Status-Variablen fuer das Behandeln von e0- und e1-Scancodes
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VAR e0Code : BOOL;
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# Wird auf 1 gesetzt, sobald e1 gelesen wurde, und auf 2, sobald das erste
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# Datenbyte gelesen wurde
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VAR e1Code : INT;
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VAR e1Prev : UINT16;
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PRI translateKeyCode(extend : INT, scancode : INT) → keycode : INT
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BEGIN
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print("[extend=", extend, ",scancode=", scancode, "]\n");
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0 → keycode;
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IF extend = 0 THEN
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# LOTS OF CODE HERE. Maybe optimize this? :P
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IF scancode = 10 THEN 1 → keycode; RETURN; END
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END
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END
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PUB irq(id : INT, data : CpuState) | scancode : UINT8
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PRI handleKeyboardIRQ() | scancode : UINT8, keycode : INT, breakcode : BOOL
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BEGIN
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0 → keycode;
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FALSE → breakcode;
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inb(96u16) → scancode;
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# Um einen Breakcode handelt es sich, wenn das oberste Bit gesetzt ist und
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# es kein e0 oder e1 fuer einen Extended-scancode ist
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IF ((scancode & 0x80u8) =/= 0u8) & ((e1Code =/= 0) | (scancode =/= 0xE1u8)) & (e0Code | (scancode =/= 0xE0u8)) THEN
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TRUE → breakcode;
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(scancode & 127u8) → scancode;
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END
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# print("[scancode=", scancode, ",breakcode=", breakcode, "]");
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IF e0Code THEN
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# Fake shift abfangen und ignorieren
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IF (scancode = 0x2Au8) | (scancode = 0x36u8) THEN
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FALSE → e0Code;
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RETURN;
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END
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translateKeyCode(1, toInt32(scancode)) → keycode;
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FALSE → e0Code;
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ELSE
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IF e1Code = 2 THEN
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# Fertiger e1-Scancode
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# Zweiten Scancode in hoeherwertiges Byte packen
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(e1Prev | toUInt16(scancode * 256u8)) → e1Prev;
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translateKeyCode(2, toInt32(e1Prev)) → keycode;
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0 → e1Code;
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ELSE
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IF e1Code = 1 THEN
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# Erstes Byte fuer e1-Scancode
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toUInt16(scancode) → e1Prev;
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2 → e1Code;
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ELSE
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IF scancode = 0xE0u8 THEN
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TRUE → e0Code;
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ELSE
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IF scancode = 0xE1u8 THEN
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1 → e1Code;
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ELSE
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translateKeyCode(0, toInt32(scancode)) → keycode;
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END
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END
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END
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END
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END
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IF keycode =/= 0 THEN
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handleKeyPress(keycode, breakcode);
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END
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END
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PUB irq(id : INT, data : CpuState)
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BEGIN
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# print("irq:", id, ", ", data.eax, " ", data.ebx, "\n");
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IF id = 33 THEN
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inb(96u16) → scancode;
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print("keypress: ", scancode, "\n");
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IF scancode = 1u8 THEN
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shutdown();
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END
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handleKeyboardIRQ();
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END
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~data;
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END
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@ -81,8 +154,12 @@ Was noch gemacht werden muss, bis der Tastatur-Treiber funktionieren könnte:
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☑ Native function calls in Copper
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☑ Bitwise Operations
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☑ outb und inb
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☐ eventuell hex literals für Copper
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☐ NEW/DELETE
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☐ [TYPE] →
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☐ ~()
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☑ NEW/DELETE
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☑ [TYPE] →
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☑ ~()
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☑ hex literals für Copper
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☑ 'RETURN' für Copper
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Was noch gemacht werden muss, bis der Tastatur-Treiber schön aussieht:
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☐ ELSE-IF
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☐ ARRAYS
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!#
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@ -1,6 +1,6 @@
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; =============================================
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; compiled with Copper 1.0
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; 2015-10-13 14:57:24
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; 2015-10-13 17:50:36
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; =============================================
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; native method: print(…)
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@ -18,6 +18,10 @@
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ebx : UINT32;
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ecx : UINT32;
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}
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.global e0Code BOOL
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.global e1Code INT32
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.global e1Prev UINT16
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@ -70,6 +74,23 @@ _private_3:
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ret
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; end of initKeyboard
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; 0, handleKeyPress
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handleKeyPress:
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pushnil ; return value
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load -2
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pushi 6 0
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op2 5
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jmp_if_not _private_4
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pusht "]\n"
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load -1
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pusht "[keycode="
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calln print 3
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_private_4:
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ret
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; end of handleKeyPress
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; 1, main
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.export main
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main:
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@ -80,22 +101,17 @@ main:
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call initKeyboard 0
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pusht "\n"
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pushi 2 16
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callnr toInt8 1
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calln print 2
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pusht "Hello World!\n"
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calln print 1
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pushi 2 1
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store 1
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_private_4:
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_private_5:
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load 1
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pushi 2 5
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op2 8
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jmp_if_not _private_5
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jmp_if_not _private_6
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pusht "\n"
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load 1
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calln print 2
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@ -105,40 +121,218 @@ _private_4:
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op2 0
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store 1
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jmp _private_4
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_private_5:
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jmp _private_5
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_private_6:
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ret
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; end of main
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; 1, irq
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.export irq
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irq:
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; 0, translateKeyCode
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translateKeyCode:
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pushnil ; return value
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pusht "]\n"
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load -2
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pusht ",scancode="
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load -1
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pusht "[extend="
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calln print 5
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pushi 2 0
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store 0
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load -1
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pushi 2 0
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op2 5
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jmp_if_not _private_7
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load -2
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pushi 2 10
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op2 5
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jmp_if_not _private_8
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pushi 2 1
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store 0
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load 0
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retr
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_private_8:
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_private_7:
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load 0
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retr
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; end of translateKeyCode
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; 0, handleKeyboardIRQ
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handleKeyboardIRQ:
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pushnil ; return value
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pushnil ; scancode:UINT8
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load -1
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pushi 2 33
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op2 5
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jmp_if_not _private_6
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pushnil ; keycode:INT32
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pushnil ; breakcode:BOOL
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pushi 2 0
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store 2
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pushi 6 0
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store 3
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pushi 4 96
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callnr inb 1
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store 1
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pusht "\n"
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load 1
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pusht "keypress: "
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calln print 3
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pushi 3 128
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op2 12
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pushi 3 0
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op2 6
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loadg e1Code
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pushi 2 0
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op2 6
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load 1
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pushi 3 225
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op2 6
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op2 11
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loadg e0Code
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load 1
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pushi 3 224
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op2 6
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op2 11
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op2 12
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op2 12
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jmp_if_not _private_9
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pushi 6 1
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store 3
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load 1
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pushi 3 1
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pushi 3 127
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op2 12
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store 1
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_private_9:
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loadg e0Code
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jmp_if_not _private_10
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load 1
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pushi 3 42
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op2 5
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jmp_if_not _private_7
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calln shutdown 0
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load 1
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pushi 3 54
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op2 5
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op2 11
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jmp_if_not _private_12
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pushi 6 0
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storeg e0Code
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_private_7:
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ret
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_private_6:
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_private_12:
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load 1
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callnr toInt32 1
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pushi 2 1
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callr translateKeyCode 2
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store 2
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pushi 6 0
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storeg e0Code
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jmp _private_11
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_private_10:
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loadg e1Code
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pushi 2 2
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op2 5
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jmp_if_not _private_13
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loadg e1Prev
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load 1
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pushi 3 256
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op2 2
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callnr toUInt16 1
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op2 11
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storeg e1Prev
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loadg e1Prev
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callnr toInt32 1
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pushi 2 2
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callr translateKeyCode 2
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store 2
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pushi 2 0
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storeg e1Code
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jmp _private_14
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_private_13:
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loadg e1Code
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pushi 2 1
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op2 5
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jmp_if_not _private_15
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load 1
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callnr toUInt16 1
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storeg e1Prev
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pushi 2 2
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storeg e1Code
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jmp _private_16
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_private_15:
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load 1
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pushi 3 224
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op2 5
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jmp_if_not _private_17
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pushi 6 1
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storeg e0Code
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jmp _private_18
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_private_17:
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load 1
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pushi 3 225
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op2 5
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jmp_if_not _private_19
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pushi 2 1
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storeg e1Code
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jmp _private_20
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_private_19:
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load 1
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callnr toInt32 1
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pushi 2 0
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callr translateKeyCode 2
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store 2
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_private_20:
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_private_18:
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_private_16:
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_private_14:
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_private_11:
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load 2
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pushi 2 0
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op2 6
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jmp_if_not _private_21
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load 3
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load 2
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call handleKeyPress 2
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_private_21:
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ret
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; end of handleKeyboardIRQ
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; 1, irq
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.export irq
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irq:
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pushnil ; return value
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load -1
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pushi 2 33
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op2 5
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jmp_if_not _private_22
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call handleKeyboardIRQ 0
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_private_22:
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load -2
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destruct
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