93 lines
3.7 KiB
Text
93 lines
3.7 KiB
Text
/* ARM assembly AARCH64 Raspberry PI 3B */
|
|
/* program terminalSize64.s */
|
|
|
|
/*******************************************/
|
|
/* Constantes file */
|
|
/*******************************************/
|
|
/* for this file see task include a file in language AArch64 assembly*/
|
|
.include "../includeConstantesARM64.inc"
|
|
|
|
.equ TIOCGWINSZ, 0x5413
|
|
.equ IOCTL, 0x1D // Linux syscall
|
|
/*******************************************/
|
|
/* Structures */
|
|
/********************************************/
|
|
/* structure terminal size */
|
|
.struct 0
|
|
term_s_lines: // input modes
|
|
.struct term_s_lines + 2
|
|
term_s_cols: // output modes
|
|
.struct term_s_cols + 2
|
|
term_s_filler: // control modes
|
|
.struct term_s_filler + 12
|
|
term_fin:
|
|
/*******************************************/
|
|
/* Initialized data */
|
|
/*******************************************/
|
|
.data
|
|
szMessStartPgm: .asciz "Program start \n"
|
|
szMessEndPgm: .asciz "Program normal end.\n"
|
|
szMessResult: .asciz "Terminal lines : @ cols : @ \n"
|
|
szMessErreur: .asciz "\033[31mError IOCTL.\n"
|
|
szCarriageReturn: .asciz "\n"
|
|
/*******************************************/
|
|
/* UnInitialized data */
|
|
/*******************************************/
|
|
.bss
|
|
.align 4
|
|
sZoneConv: .skip 24
|
|
stTerminal: .skip term_fin // structure terminal
|
|
/*******************************************/
|
|
/* code section */
|
|
/*******************************************/
|
|
.text
|
|
.global main
|
|
main:
|
|
ldr x0,qAdrszMessStartPgm //display start message
|
|
bl affichageMess
|
|
|
|
/* read terminal dimensions */
|
|
mov x0,STDIN // input console
|
|
mov x1,TIOCGWINSZ // code IOCTL
|
|
ldr x2,qAdrstTerminal // structure address
|
|
mov x8,IOCTL // call system Linux
|
|
svc 0
|
|
cbnz x0,98f // error ?
|
|
|
|
ldr x2,qAdrstTerminal
|
|
ldrh w0,[x2,term_s_lines] // load two bytes
|
|
ldr x1,qAdrsZoneConv
|
|
bl conversion10 // and decimal conversion
|
|
ldr x0,qAdrszMessResult
|
|
bl strInsertAtChar // and insertion in message
|
|
mov x5,x0 // save address of new message
|
|
ldrh w0,[x2,term_s_cols] // load two bytes
|
|
ldr x1,qAdrsZoneConv
|
|
bl conversion10 // and decimal conversion
|
|
mov x0,x5 // restaur address of message
|
|
bl strInsertAtChar // and insertion in message
|
|
bl affichageMess
|
|
|
|
ldr x0,qAdrszMessEndPgm //display end message
|
|
bl affichageMess
|
|
b 100f
|
|
98: // error display
|
|
ldr x0,qAdrszMessErreur
|
|
bl affichageMess
|
|
mov x0,-1
|
|
100: //standard end of the program
|
|
mov x0,0 //return code
|
|
mov x8,EXIT //request to exit program
|
|
svc 0 //perform system call
|
|
qAdrszMessStartPgm: .quad szMessStartPgm
|
|
qAdrszMessEndPgm: .quad szMessEndPgm
|
|
qAdrszMessErreur: .quad szMessErreur
|
|
qAdrszCarriageReturn: .quad szCarriageReturn
|
|
qAdrstTerminal: .quad stTerminal
|
|
qAdrszMessResult: .quad szMessResult
|
|
qAdrsZoneConv: .quad sZoneConv
|
|
/********************************************************/
|
|
/* File Include fonctions */
|
|
/********************************************************/
|
|
/* for this file see task include a file in language AArch64 assembly */
|
|
.include "../includeARM64.inc"
|