236 lines
8.7 KiB
Plaintext
236 lines
8.7 KiB
Plaintext
/* ARM assembly AARCH64 Raspberry PI 3B */
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/* program defqueue64.s */
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/*******************************************/
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/* Constantes file */
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/*******************************************/
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/* for this file see task include a file in language AArch64 assembly*/
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.include "../includeConstantesARM64.inc"
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.equ NBMAXIELEMENTS, 100
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/*******************************************/
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/* Structures */
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/********************************************/
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/* example structure for value of item */
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.struct 0
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value_ident: // ident
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.struct value_ident + 8
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value_value1: // value 1
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.struct value_value1 + 8
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value_value2: // value 2
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.struct value_value2 + 8
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value_fin:
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/* example structure for queue */
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.struct 0
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queue_ptdeb: // begin pointer of item
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.struct queue_ptdeb + 8
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queue_ptfin: // end pointer of item
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.struct queue_ptfin + 8
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queue_stvalue: // structure of value item
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.struct queue_stvalue + (value_fin * NBMAXIELEMENTS)
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queue_fin:
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/*********************************/
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/* Initialized data */
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/*********************************/
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.data
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szMessEmpty: .asciz "Empty queue. \n"
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szMessNotEmpty: .asciz "Not empty queue. \n"
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szMessError: .asciz "Error detected !!!!. \n"
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szMessResult: .asciz "Ident : @ value 1 : @ value 2 : @ \n" // message result
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szCarriageReturn: .asciz "\n"
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/*********************************/
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/* UnInitialized data */
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/*********************************/
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.bss
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.align 4
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Queue1: .skip queue_fin // queue memory place
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stItem: .skip value_fin // value item memory place
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sZoneConv: .skip 100
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/*********************************/
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/* code section */
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/*********************************/
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.text
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.global main
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main: // entry of program
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ldr x0,qAdrQueue1 // queue structure address
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bl isEmpty
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cmp x0,#0
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beq 1f
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ldr x0,qAdrszMessEmpty
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bl affichageMess // display message empty
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b 2f
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1:
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ldr x0,qAdrszMessNotEmpty
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bl affichageMess // display message not empty
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2:
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// init item 1
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ldr x0,qAdrstItem
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mov x1,#1
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str x1,[x0,#value_ident]
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mov x1,#11
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str x1,[x0,#value_value1]
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mov x1,#12
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str x1,[x0,#value_value2]
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ldr x0,qAdrQueue1 // queue structure address
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ldr x1,qAdrstItem
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bl pushQueue // add item in queue
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cmp x0,#-1 // error ?
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beq 99f
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// init item 2
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ldr x0,qAdrstItem
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mov x1,#2
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str x1,[x0,#value_ident]
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mov x1,#21
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str x1,[x0,#value_value1]
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mov x1,#22
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str x1,[x0,#value_value2]
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ldr x0,qAdrQueue1 // queue structure address
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ldr x1,qAdrstItem
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bl pushQueue // add item in queue
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cmp x0,#-1
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beq 99f
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ldr x0,qAdrQueue1 // queue structure address
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bl isEmpty
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cmp x0,#0 // not empty
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beq 3f
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ldr x0,qAdrszMessEmpty
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bl affichageMess // display message empty
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b 4f
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3:
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ldr x0,qAdrszMessNotEmpty
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bl affichageMess // display message not empty
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4:
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ldr x0,qAdrQueue1 // queue structure address
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bl popQueue // return address item
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cmp x0,#-1 // error ?
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beq 99f
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mov x2,x0 // save item pointer
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ldr x0,[x2,#value_ident]
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ldr x1,qAdrsZoneConv // conversion ident
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bl conversion10S // decimal conversion
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ldr x0,qAdrszMessResult
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ldr x1,qAdrsZoneConv
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bl strInsertAtCharInc // insert result at first @ character
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mov x5,x0
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ldr x0,[x2,#value_value1]
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ldr x1,qAdrsZoneConv // conversion value 1
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bl conversion10S // decimal conversion
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mov x0,x5
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ldr x1,qAdrsZoneConv
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bl strInsertAtCharInc // insert result at Second @ character
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mov x5,x0
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ldr x0,[x2,#value_value2]
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ldr x1,qAdrsZoneConv // conversion value 2
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bl conversion10S // decimal conversion
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mov x0,x5
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ldr x1,qAdrsZoneConv
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bl strInsertAtCharInc // insert result at third @ character
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bl affichageMess // display message final
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b 4b // loop
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99: // error
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ldr x0,qAdrszMessError
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bl affichageMess
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100: // standard end of the program
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mov x0,0 // return code
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mov x8,EXIT // request to exit program
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svc 0 // perform the system call
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qAdrQueue1: .quad Queue1
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qAdrstItem: .quad stItem
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qAdrszMessError: .quad szMessError
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qAdrszMessEmpty: .quad szMessEmpty
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qAdrszMessNotEmpty: .quad szMessNotEmpty
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qAdrszMessResult: .quad szMessResult
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qAdrszCarriageReturn: .quad szCarriageReturn
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qAdrsZoneConv: .quad sZoneConv
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/******************************************************************/
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/* test if queue empty */
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/******************************************************************/
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/* x0 contains the address of queue structure */
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/* x0 returns 0 if not empty, 1 if empty */
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isEmpty:
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stp x1,lr,[sp,-16]! // save registers
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stp x2,x3,[sp,-16]! // save registers
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ldr x1,[x0,#queue_ptdeb] // begin pointer
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ldr x2,[x0,#queue_ptfin] // begin pointer
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cmp x1,x2
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bne 1f
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mov x0,#1 // empty queue
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b 2f
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1:
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mov x0,#0 // not empty
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2:
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ldp x2,x3,[sp],16 // restaur 2 registers
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ldp x1,lr,[sp],16 // restaur 2 registers
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ret // return to address lr x30
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/******************************************************************/
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/* add item in queue */
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/******************************************************************/
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/* x0 contains the address of queue structure */
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/* x1 contains the address of item */
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pushQueue:
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stp x1,lr,[sp,-16]! // save registers
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stp x2,x3,[sp,-16]! // save registers
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add x2,x0,#queue_stvalue // address of values structure
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ldr x3,[x0,#queue_ptfin] // end pointer
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add x2,x2,x3 // free address of queue
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ldr x4,[x1,#value_ident] // load ident item
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str x4,[x2,#value_ident] // and store in queue
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ldr x4,[x1,#value_value1] // idem
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str x4,[x2,#value_value1]
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ldr x4,[x1,#value_value2]
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str x4,[x2,#value_value2]
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add x3,x3,#value_fin
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cmp x3,#value_fin * NBMAXIELEMENTS
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beq 99f
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str x3,[x0,#queue_ptfin] // store new end pointer
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b 100f
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99:
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mov x0,#-1 // error
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100:
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ldp x2,x3,[sp],16 // restaur 2 registers
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ldp x1,lr,[sp],16 // restaur 2 registers
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ret // return to address lr x30
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/******************************************************************/
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/* pop queue */
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/******************************************************************/
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/* x0 contains the address of queue structure */
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popQueue:
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stp x1,lr,[sp,-16]! // save registers
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stp x2,x3,[sp,-16]! // save registers
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mov x1,x0 // control if empty queue
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bl isEmpty
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cmp x0,#1 // yes -> error
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beq 99f
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mov x0,x1
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ldr x1,[x0,#queue_ptdeb] // begin pointer
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add x2,x0,#queue_stvalue // address of begin values item
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add x2,x2,x1 // address of item
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add x1,x1,#value_fin
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str x1,[x0,#queue_ptdeb] // store nex begin pointer
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mov x0,x2 // return pointer item
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b 100f
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99:
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mov x0,#-1 // error
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100:
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ldp x2,x3,[sp],16 // restaur 2 registers
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ldp x1,lr,[sp],16 // restaur 2 registers
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ret // return to address lr x30
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/********************************************************/
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/* File Include fonctions */
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/********************************************************/
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/* for this file see task include a file in language AArch64 assembly */
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.include "../includeARM64.inc"
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