ps2mouse: disable mouse before system shutdown

git-svn-id: svn://kolibrios.org@6241 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2016-02-17 14:20:47 +00:00
parent 6e1bd6d91d
commit a73038cb78
2 changed files with 17 additions and 7 deletions

View File

@ -70,10 +70,13 @@ mouse_cmd:
cmp ah, 1
je .fail
cmp [mouse_cmd_byte], 0xF5
je .ok
call mouse_read
cmp al, 0xFA
jne .noack
.ok:
clc
ret
.noack:

View File

@ -22,7 +22,10 @@ entry START
proc START c, state:dword, cmdline:dword
cmp [state], DRV_ENTRY
jne .nothing
je .init
cmp [state], DRV_EXIT
je .fini
jmp .nothing
.init:
; disable keyboard and mouse interrupts
; keyboard IRQ handler can interfere badly otherwise
@ -89,6 +92,10 @@ proc START c, state:dword, cmdline:dword
.nothing:
xor eax, eax
ret
.fini:
mov al, 0xF5
call mouse_cmd
ret
.exit:
mov bl, 0xA7 ; disable mouse interface