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Merge branch 'master' of
[email protected]
:acess2
[tpg/acess2.git]
/
Kernel
/
arch
/
x86
/
proc.asm
diff --git
a/Kernel/arch/x86/proc.asm
b/Kernel/arch/x86/proc.asm
index
87dcd61
..
944b24d
100644
(file)
--- a/
Kernel/arch/x86/proc.asm
+++ b/
Kernel/arch/x86/proc.asm
@@
-74,6
+74,10
@@
SchedulerBase:
push fs
push gs
push fs
push gs
+ pushf
+ and BYTE [esp+1], 0xFE ; Clear Trap Flag
+ popf
+
mov eax, dr0
push eax ; Debug Register 0, Current Thread
mov eax, dr0
push eax ; Debug Register 0, Current Thread
@@
-121,7
+125,7
@@
scheduler_return: ; Used by some hackery in Proc_DumpThreadCPUState
pop ds
popa
pop ds
popa
- add esp, 4
; CPU ID
+ add esp, 4
*2 ; CPU ID + Dummy error code
; No Error code / int num
iret
; No Error code / int num
iret
@@
-142,9
+146,10
@@
SpawnTask:
; In child, so now set up stack frame
mov ebx, [esp+4] ; Child Function
mov edx, [esp+8] ; Argument
; In child, so now set up stack frame
mov ebx, [esp+4] ; Child Function
mov edx, [esp+8] ; Argument
- ; Child
+ ; Child
Function
push edx ; Argument
call ebx ; Function
push edx ; Argument
call ebx ; Function
+ ; Kill thread once done
push eax ; Exit Code
push 0 ; Kill this thread
call Threads_Exit ; Kill Thread
push eax ; Exit Code
push 0 ; Kill this thread
call Threads_Exit ; Kill Thread
@@
-237,7
+242,7
@@
Proc_ReturnToUser:
.justKillIt:
xor eax, eax
xor ebx, ebx
.justKillIt:
xor eax, eax
xor ebx, ebx
- dec ebx
+ dec ebx
; EBX = -1
int 0xAC
[global GetCPUNum]
int 0xAC
[global GetCPUNum]
@@
-249,6
+254,15
@@
GetCPUNum: ; TODO: Store in debug registers
mov eax, dr1
ret
mov eax, dr1
ret
+[extern GetEIP]
+[global GetEIP_Sched]
+[global GetEIP_Sched_ret]
+GetEIP_Sched_ret equ GetEIP_Sched.ret
+GetEIP_Sched:
+ call GetEIP
+GetEIP_Sched.ret:
+ ret
+
; Usermode code exported by the kernel
[section .usertext]
; Export a place for the user to jump to to call a syscall
; Usermode code exported by the kernel
[section .usertext]
; Export a place for the user to jump to to call a syscall
UCC
git Repository :: git.ucc.asn.au