kolibri-acpi: futex_wait_timeout

git-svn-id: svn://kolibrios.org@5599 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2015-07-23 06:55:21 +00:00
parent 4e9602a915
commit f5f30ba226
4 changed files with 95 additions and 24 deletions

View File

@ -16,7 +16,8 @@ $Revision$
align 32
irq0:
pushad
Mov ds, ax, app_data
mov ax, app_data
mov ds, ax
mov es, ax
inc [timer_ticks]
mov eax, [timer_ticks]
@ -101,8 +102,10 @@ do_change_task:
mov [esi+APPDATA.saved_esp], esp
mov esp, [ebx+APPDATA.saved_esp]
; set new thread io-map
Mov dword [page_tabs+((tss._io_map_0 and -4096) shr 10)],eax,[ebx+APPDATA.io_map]
Mov dword [page_tabs+((tss._io_map_1 and -4096) shr 10)],eax,[ebx+APPDATA.io_map+4]
mov eax, [ebx+APPDATA.io_map]
mov dword [page_tabs+((tss._io_map_0 and -4096) shr 10)], eax
mov eax, [ebx+APPDATA.io_map+4]
mov dword [page_tabs+((tss._io_map_1 and -4096) shr 10)], eax
; set new thread memory-map
mov eax, [ebx+APPDATA.process]
cmp eax, [current_process]
@ -113,7 +116,8 @@ do_change_task:
@@:
; set tss.esp0
Mov [tss._esp0],eax,[ebx+APPDATA.saved_esp0]
mov eax, [ebx+APPDATA.saved_esp0]
mov [tss._esp0], eax
mov edx, [ebx+APPDATA.tls_base]
@ -126,7 +130,8 @@ do_change_task:
mov fs, dx
; set gs selector unconditionally
Mov gs,ax,graph_data
Mov ax, graph_data
Mov gs, ax
; set CR0.TS
cmp bh, byte[fpu_owner] ;bh == incoming task (new)
clts ;clear a task switch flag
@ -280,7 +285,7 @@ proc find_next_task
call [ebx+APPDATA.wait_test]
mov [esp+28], eax
popad
or eax, eax
test eax, eax
jnz @f
; testing for timeout
mov eax, [timer_ticks]

View File

@ -86,12 +86,12 @@ f77:
cmp ecx, (PROC.pdt_0 - PROC.htab)/4
jae .fail
mov esi, [current_process]
mov edi, [esi+PROC.htab+ecx*4]
mov edi, [current_process]
mov ebp, [edi+PROC.htab+ecx*4]
cmp [edi+FUTEX.magic], 'FUTX'
cmp [ebp+FUTEX.magic], 'FUTX'
jne .fail
cmp [edi+FUTEX.handle], ecx
cmp [ebp+FUTEX.handle], ecx
jne .fail
jmp dword [f77call+ebx*4]
@ -113,21 +113,24 @@ align 4
align 4
;ecx futex handle
;esi current process
;edi futex object
;edi current process
;ebp futex object
.futex_destroy:
mov ecx, edi
mov ecx, ebp
call destroy_futex
mov [esp+SYSCALL_STACK._eax], eax
ret
align 4
;ecx futex handle
;esi current process
;edi futex object
;edx control value
;esi timeout
;edi current process
;ebp futex object
.futex_wait:
mov ecx, [edi+FUTEX.pointer]
test esi, esi
jnz .futex_wait_timeout
mov ecx, [ebp+FUTEX.pointer]
mov eax, edx
lock cmpxchg [ecx], edx ;wait until old_value == new_value
jz .wait_slow
@ -143,7 +146,7 @@ align 4
mov ebx, [TASK_BASE]
mov [ebx+TASKDATA.state], 1
mov [esp+MUTEX_WAITER.task], ebx
lea esi, [edi+FUTEX.wait_list]
lea esi, [ebp+FUTEX.wait_list]
list_add_tail esp, esi ;esp= new waiter, esi= list head
@ -160,6 +163,72 @@ align 4
mov [esp+SYSCALL_STACK._eax], 0
ret
align 4
;ecx futex handle
;edx control value
;esi timeout
;edi current process
;ebp futex object
.futex_wait_timeout:
mov ecx, [ebp+FUTEX.pointer]
mov eax, edx
lock cmpxchg [ecx], edx ;wait until old_value == new_value
jz .wait_slow_timeout
mov [esp+SYSCALL_STACK._eax], 0
ret
align 4
.wait_test:
xor eax, eax
ret
.wait_slow_timeout:
pushfd
cli
sub esp, sizeof.MUTEX_WAITER
mov ebx, [current_slot]
mov [ebx+APPDATA.wait_test], f77.wait_test
mov [ebx+APPDATA.wait_timeout], esi
mov [ebx+APPDATA.wait_param], ebp
mov eax, [timer_ticks]
mov [ebx+APPDATA.wait_begin], eax
mov eax, [TASK_BASE]
mov [eax+TASKDATA.state], 5
mov [esp+MUTEX_WAITER.task], ebx
lea esi, [ebp+FUTEX.wait_list]
list_add_tail esp, esi ;esp= new waiter, esi= list head
.again_timeout:
call change_task
mov eax, [ebx+APPDATA.wait_param]
test eax, eax
jz .timeout
lock cmpxchg [ecx], edx
jz .again_timeout
@@:
list_del esp
add esp, sizeof.MUTEX_WAITER
popfd
mov [esp+SYSCALL_STACK._eax], 0
ret
.timeout:
list_del esp
add esp, sizeof.MUTEX_WAITER
popfd
mov [esp+SYSCALL_STACK._eax], -1
ret
align 4
;ecx futex handle
;esi current process

View File

@ -104,7 +104,8 @@ align 4
mov [eax+EVENT.state], ecx
mov [eax+EVENT.pid], edx
inc [event_uid]
Mov [eax+EVENT.id],edx,[event_uid]
mov edx, [event_uid]
mov [eax+EVENT.id], edx
or esi, esi
jz RemoveEventTo
lea edi, [eax+EVENT.code]
@ -277,7 +278,8 @@ Wait_events_ex:
jnz @f ;RET
mov [esi+APPDATA.wait_test], edx
mov [esi+APPDATA.wait_timeout], ebx
Mov [esi+APPDATA.wait_begin],eax,[timer_ticks]
mov eax, [timer_ticks]
mov [esi+APPDATA.wait_begin], eax
mov eax, [TASK_BASE]
mov [eax+TASKDATA.state], 5
call change_task

View File

@ -83,11 +83,6 @@ end if
}
; \end{diamond}[29.09.2006]
macro Mov op1,op2,op3 ; op1 = op2 = op3
{
mov op2, op3
mov op1, op2
}
macro list_init head
{