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Code Pull Requests Activity

1)fixed bug with wrong lfb size on some old videocards

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2)set fpu/sse to default state for new thread
3)added driver sceletone

git-svn-id: svn://kolibrios.org@214 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2006-11-20 07:06:00 +00:00
parent 44a74d9138
commit 00b8fb388c
18 changed files with 1236 additions and 355 deletions
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57
kernel/trunk/core/sys32.inc
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@@ -192,63 +192,6 @@ exc_c:
restore_ring3_context
iretd
;;;;;;;;;;;;;;;;;;;;;;;
;; FPU ERROR HANDLER ;;
;;;;;;;;;;;;;;;;;;;;;;;
align 4
e7:
save_ring3_context
clts
mov ax, os_data
mov ds, ax
mov es, ax
mov ebx, [fpu_owner]
cmp ebx, [CURRENT_TASK]
je .exit
shl ebx, 8
mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
bt [cpu_caps], CAPS_FXSR
jnc .no_SSE
fxsave [eax]
mov ebx, [CURRENT_TASK]
mov [fpu_owner], ebx
shl ebx, 8
cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0
je .init
mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
fxrstor [eax]
restore_ring3_context
iret
.no_SSE:
fnsave [eax]
mov ebx, [CURRENT_TASK]
mov [fpu_owner], ebx
shl ebx, 8
cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0
je .ready
mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
frstor [eax]
restore_ring3_context
iret
.init:
fninit ;<EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD>㦭<EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>᪨஢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD>᪫<EFBFBD>祭<EFBFBD><EFBFBD>
.ready:
mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1
.exit:
restore_ring3_context
iret
iglobal
fpu_owner dd 1
endg
writehex:
pusha