kolibrios/programs/system/shell/shell.inc

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SC_OK = 0
SC_EXIT = 1
SC_PUTC = 2
SC_PUTS = 3
SC_GETC = 4
SC_GETS = 5
SC_CLS = 6
SHM_WRITE = 0x01
SHM_OPEN_ALWAYS = 0x04
;============================
align 4
sc_name rb 64
sc_pid dd 0
sc_buffer dd 0
sc_process dd 0
;============================
align 4
_sc_pid2name:
push esp
push ebx
xor ecx, ecx
mov eax, [sc_pid]
mov ebx, 10
@@:
xor edx, edx
div ebx
push edx
inc ecx
test eax, eax
jnz @b
mov edi, sc_name
@@:
pop eax
add al, '0'
stosb
loop @b
mov al, '-'
stosb
mov al, 'S'
stosb
mov al, 'H'
stosb
mov al, 'E'
stosb
mov al, 'L'
stosb
mov al, 'L'
stosb
mov al, 0
stosb
pop ebx
pop esp
ret
;============================
align 4
; void __stdcall sc_init();
_sc_init:
push esp
push ebx
mov eax, 68
mov ebx, 11
int 0x40
mov eax, 68 ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mov ebx, 12
mov ecx, 1024
int 0x40
mov [sc_process], eax
mov eax, 9 ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mov ebx, [sc_process]
mov ecx, -1
int 0x40
mov dword eax, [ebx+30] ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PID ⥪饣<EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mov [sc_pid], eax
mov eax, 68 ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mov ebx, 13
mov ecx, [sc_process]
int 0x40
call _sc_pid2name
mov eax, 68 ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mov ebx, 22
mov dword ecx, sc_name
mov edx, 4096
mov esi, SHM_OPEN_ALWAYS or SHM_WRITE
int 0x40
mov [sc_buffer], eax
pop ebx
pop esp
ret
;============================
align 4
; void __stdcall sc_puts(char *str);
_sc_puts:
push esp
push ebx
mov esi, [esp+12]
mov edi, [sc_buffer]
mov al, SC_PUTS
stosb
@@:
lodsb
stosb
test al, al
jnz @b
mov ebx, [sc_buffer]
@@:
mov byte dl, [ebx]
test dl, dl
jz @f
push ebx
mov eax, 5
mov ebx, 5
int 0x40
pop ebx
jmp @b
@@:
pop ebx
pop esp
ret 4
;============================
align 4
; void __stdcall sc_exit();
_sc_exit:
push ebx
push esp
mov ebx, [sc_buffer]
mov byte [ebx], SC_EXIT
@@:
mov byte dl, [ebx]
test dl, dl
jz @f
push ebx
mov eax, 5
mov ebx, 5
int 0x40
pop ebx
jmp @b
@@:
mov eax, 68 ;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mov ebx, 23
mov dword ecx, sc_name
int 0x40
pop esp
pop ebx
ret
;============================
align 4
; void __stdcall sc_gets(char *str);
_sc_gets:
push esp
push ebx
mov edi, [esp+12]
mov ebx, [sc_buffer]
mov byte [ebx], SC_GETS
@@:
mov byte dl, [ebx]
test dl, dl
jz @f
push ebx
mov eax, 5
mov ebx, 5
int 0x40
pop ebx
jmp @b
@@:
mov esi, [sc_buffer]
inc esi
@@:
lodsb
stosb
test al, al
jnz @b
pop ebx
pop esp
ret 4
;============================