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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /kernel/trunk/core/syscall.inc @ 374

  → /kernel/trunk/core/syscall.inc @ 375

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Regard whitespace Rev 374 → Rev 375

/kernel/trunk/core/syscall.inc
35,6 → 35,101
iretd
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; SYSENTER ENTRY ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
uglobal
times 100 db ?
sysenter_stack:
endg
align 32
SYSENTER_VAR equ 0
sysenter_entry:
; Íàñòðàèâàåì ñòåê
cli
push eax
mov eax, [ss:CURRENT_TASK]
shl eax, 8
mov eax, [ss:PROC_BASE + eax + APPDATA.pl0_stack]
lea esp, [ss:eax + RING0_STACK_SIZE] ; configure ESP
mov eax, [ss:sysenter_stack - 4] ; eax - original eax, from app
sti
;------------------
push ds es
pushad
cld
mov ax, word os_data
mov ds, ax
mov es, ax
mov eax, ebx
mov ebx, ecx
mov ecx, edx
mov edx, esi
mov esi, edi
mov edi, [esp + 28]
push eax
and edi, 0xff
call dword [servetable + edi * 4]
pop eax
popad
pop es ds
;------------------
mov edx, [SYSENTER_VAR] ; eip
mov ecx, [SYSENTER_VAR + 4] ; esp
sysexit
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; SYSCALL ENTRY ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 32
syscall_entry:
cli
xchg ecx, [esp]
mov [SYSENTER_VAR + 4], esp
mov [ss:sysenter_stack - 4], eax
mov eax, [ss:CURRENT_TASK]
shl eax, 8
mov eax, [ss:PROC_BASE + eax + APPDATA.pl0_stack]
lea esp, [ss:eax + RING0_STACK_SIZE] ; configure ESP
mov eax, [ss:sysenter_stack - 4] ; eax - original eax, from app
sti
;------------------
push ds es
pushad
cld
mov ax, word os_data
mov ds, ax
mov es, ax
mov eax, ebx
mov ebx, ecx
mov ecx, edx
mov edx, esi
mov esi, edi
mov edi, [esp + 28]
push eax
and edi, 0xff
call dword [servetable + edi * 4]
pop eax
popad
pop es ds
;------------------
mov esp, [SYSENTER_VAR + 4]
xchg ecx, [esp]
sysret
iglobal
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; SYSTEM FUNCTIONS TABLE ;;
62,7 → 157,7
dd sys_cachetodiskette ; 16-FlushFloppyCache
dd sys_getbutton ; 17-GetButton
dd sys_system ; 18-System Services
dd undefined_syscall ; 19-reserved
dd paleholder;undefined_syscall ; 19-reserved
dd sys_midi ; 20-ResetMidi and OutputMidi
dd sys_setup ; 21-SetMidiBase,SetKeymap,SetShiftKeymap,.
dd sys_settime ; 22-setting date,time,clock and alarm-clock