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Syncing net branch with trunk.

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git-svn-id: svn://kolibrios.org@3187 a494cfbc-eb01-0410-851d-a64ba20cac60
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hidnplayr
2013-01-21 20:59:27 +00:00
parent 575dd00f15
commit fbf1d3eec3
35 changed files with 5307 additions and 4931 deletions
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86
kernel/branches/net/blkdev/hd_drv.inc
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@@ -942,6 +942,86 @@ int13_call:
test byte [int13_regs_out+v86_regs.eflags], 1
jnz @f
mov edx, ecx
@@:
ret
; \end{diamond}
@@:
ret
; \end{diamond}
reserve_hd1:
cli
cmp [hd1_status], 0
je reserve_ok1
sti
call change_task
jmp reserve_hd1
reserve_ok1:
push eax
mov eax, [CURRENT_TASK]
shl eax, 5
mov eax, [eax+CURRENT_TASK+TASKDATA.pid]
mov [hd1_status], eax
pop eax
sti
ret
;********************************************
uglobal
hd_in_cache db ?
endg
reserve_hd_channel:
; BIOS disk accesses are protected with common mutex hd1_status
; This must be modified when hd1_status will not be valid!
cmp [hdpos], 0x80
jae .ret
cmp [hdbase], 0x1F0
jne .IDE_Channel_2
.IDE_Channel_1:
cli
cmp [IDE_Channel_1], 0
je .reserve_ok_1
sti
call change_task
jmp .IDE_Channel_1
.IDE_Channel_2:
cli
cmp [IDE_Channel_2], 0
je .reserve_ok_2
sti
call change_task
jmp .IDE_Channel_2
.reserve_ok_1:
mov [IDE_Channel_1], 1
push eax
mov al, 1
jmp @f
.reserve_ok_2:
mov [IDE_Channel_2], 1
push eax
mov al, 3
@@:
cmp [hdid], 1
sbb al, -1
mov [hd_in_cache], al
pop eax
sti
.ret:
ret
free_hd_channel:
; see comment at reserve_hd_channel
cmp [hdpos], 0x80
jae .ret
cmp [hdbase], 0x1F0
jne .IDE_Channel_2
.IDE_Channel_1:
mov [IDE_Channel_1], 0
.ret:
ret
.IDE_Channel_2:
mov [IDE_Channel_2], 0
ret
;********************************************