frater/bios-OS
Watch
1
0
Fork
You've already forked bios-OS
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

testing

Browse source
This commit is contained in:
Frater 2026-01-19 09:50:33 +01:00
commit 9cb9033a25
6 changed files with 220 additions and 358 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/drivers/mouse_ps2.asm
View file

@ -118,12 +118,12 @@ mouse_init:
; Activer le port souris (AUX)
call ps2_wait_ready_write
mov al, I8042_CMD_EN_AUX
out PS2_PORT_CTRL, al
out i8042_PS2_CTRL, al
; Lire command byte
call ps2_wait_ready_write
mov al, I8042_CMD_RD_CBYTE
out PS2_PORT_CTRL, al
out i8042_PS2_CTRL, al
call ps2_read ; AL = command byte
; Activer IRQ12 (bit 1)
@ -133,10 +133,10 @@ mouse_init:
; Réécrire command byte (commande 0x60 envoyée à 0x64)
call ps2_wait_ready_write
mov al, I8042_CMD_WR_CBYTE
out PS2_PORT_CTRL, al
out i8042_PS2_CTRL, al
call ps2_wait_ready_write
mov al, ah
out PS2_PORT_BUFFER, al
out i8042_PS2_DATA, al
call ps2_flush_output
@ -230,7 +230,7 @@ mouse_detect_packet_len:
; attendre que le 8042 soit pret a recevoir de l'information
ps2_wait_ready_write:
.wait:
in al, PS2_PORT_CTRL
in al, i8042_PS2_CTRL
test al, 02h ; IBF
jnz .wait
ret
@ -238,7 +238,7 @@ ps2_wait_ready_write:
; attendre que le 8042 soit pret a lire de l'information
ps2_wait_ready_read:
.wait:
in al, PS2_PORT_CTRL
in al, i8042_PS2_CTRL
test al, 01h ; OBF
jz .wait
ret
@ -246,16 +246,16 @@ ps2_wait_ready_read:
; lire de l'information depuis le 8042
ps2_read:
call ps2_wait_ready_read
in al, PS2_PORT_BUFFER
in al, i8042_PS2_DATA
ret
; vide le buffer interne du 8042 (information(s) ignorée(s))
ps2_flush_output:
.flush:
in al, PS2_PORT_CTRL
in al, i8042_PS2_CTRL
test al, 01h
jz .done
in al, PS2_PORT_BUFFER
in al, i8042_PS2_DATA
jmp .flush
.done:
ret
@ -271,11 +271,11 @@ mouse_sendcmd:
call ps2_wait_ready_write
mov al, I8042_CMD_WRITE_AUX
out PS2_PORT_CTRL, al
out i8042_PS2_CTRL, al
call ps2_wait_ready_write
mov al, bl
out PS2_PORT_BUFFER, al
out i8042_PS2_DATA, al
call ps2_read ; AL = réponse
cmp al, MOUSE_ACK
@ -309,7 +309,7 @@ mouse_handler:
push ds
; vider le byte qui a déclenché IRQ12
in al, PS2_PORT_BUFFER
in al, i8042_PS2_DATA
mov dx, 0xE9 ; debugcon
mov al, '*'
@ -324,10 +324,6 @@ mouse_handler:
popa
iret
; sauvegarder tout les registres
pusha
push ds
@ -338,7 +334,7 @@ mouse_handler:
; lire un octet depuis le contrôleur
; et le stocker dans le buffer
in al, PS2_PORT_BUFFER ; lire octet souris
in al, i8042_PS2_DATA ; lire octet souris
mov byte [BDA_MOUSE_BUFFER + BDA_MOUSE_IDX], al
inc byte [BDA_MOUSE_IDX]