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add task to ARM64 assembly Raspberry Pi
(Add task to ARM assembly Raspberry pi) |
(add task to ARM64 assembly Raspberry Pi) |
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</lang>
The 'drop' removes the result (true or false, indicating success or failure). It is not strictly necessary to do so, but it keeps the stack clean.
=={{header|AArch64 Assembly}}==
{{works with|as|Raspberry Pi 3B version Buster 64 bits}}
<lang AArch64 Assembly>
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program deleteFic64.s */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
.equ UNLINK, 35
.equ AT_REMOVEDIR, 0x200 // flag for delete directory
/******************************************/
/* Initialized data */
/******************************************/
.data
szMessDeleteDirOk: .asciz "Delete directory Ok.\n"
szMessErrDeleteDir: .asciz "Unable delete dir. \n"
szMessDeleteFileOk: .asciz "Delete file Ok.\n"
szMessErrDeleteFile: .asciz "Unable delete file. \n"
szNameDir: .asciz "Docs"
szNameFile: .asciz "input.txt"
/******************************************/
/* UnInitialized data */
/******************************************/
.bss
/******************************************/
/* code section */
/******************************************/
.text
.global main
main: // entry of program
// delete file
mov x0,AT_FDCWD // current directory
ldr x1,qAdrszNameFile // file name
mov x8,UNLINK // code call system delete file
svc 0 // call systeme
cmp x0,0 // error ?
blt 99f
ldr x0,qAdrszMessDeleteFileOk // delete file OK
bl affichageMess
// delete directory
mov x0,AT_FDCWD // current directory
ldr x1,qAdrszNameDir // directory name
mov x2,AT_REMOVEDIR
mov x8,UNLINK // code call system delete directory
svc 0 // call systeme
cmp x0,0 // error ?
blt 98f
ldr x0,qAdrszMessDeleteDirOk // display message ok directory
bl affichageMess
// end Ok
b 100f
98: // display error message delete directory
ldr x0,qAdrszMessErrDeleteDir
bl affichageMess
b 100f
99: // display error message delete file
ldr x0,qAdrszMessErrDeleteFile
bl affichageMess
b 100f
100: // standard end of the program
mov x0,0 // return code
mov x8,EXIT // request to exit program
svc 0 // perform the system call
qAdrszMessDeleteDirOk: .quad szMessDeleteDirOk
qAdrszMessErrDeleteDir: .quad szMessErrDeleteDir
qAdrszMessDeleteFileOk: .quad szMessDeleteFileOk
qAdrszNameFile: .quad szNameFile
qAdrszMessErrDeleteFile: .quad szMessErrDeleteFile
qAdrszNameDir: .quad szNameDir
/********************************************************/
/* File Include fonctions */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"
</lang>
=={{header|Ada}}==
<lang ada>with Ada.Directories; use Ada.Directories;</lang>
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