Subversion Repositories HelenOS-historic

Rev

Rev 1293 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1293 Rev 1615
Line 64... Line 64...
64 
.global memcpy_from_uspace_failover_address
 64 
.global memcpy_from_uspace_failover_address
65 
.global memcpy_to_uspace_failover_address
 65 
.global memcpy_to_uspace_failover_address
66 
memcpy:
 66 
memcpy:
67 
memcpy_from_uspace:
 67 
memcpy_from_uspace:
68 
memcpy_to_uspace:
 68 
memcpy_to_uspace:
- 
 
 69 
	addiu	$v0,$a1,3
- 
 
 70 
	li	$v1,-4			# 0xfffffffffffffffc
- 
 
 71 
	and	$v0,$v0,$v1
- 
 
 72 
	beq	$a1,$v0,3f
- 
 
 73 
	move	$t0,$a0
- 
 
 74 
 
- 
 
 75 
0:
- 
 
 76 
	beq	$a2,$zero,2f
- 
 
 77 
	move	$a3,$zero
- 
 
 78 
 
- 
 
 79 
1:
- 
 
 80 
	addu	$v0,$a1,$a3
- 
 
 81 
	lbu	$a0,0($v0)
- 
 
 82 
	addu	$v1,$t0,$a3
- 
 
 83 
	addiu	$a3,$a3,1
- 
 
 84 
	bne	$a3,$a2,1b
- 
 
 85 
	sb	$a0,0($v1)
- 
 
 86 
 
- 
 
 87 
2:
- 
 
 88 
	jr	$ra
- 
 
 89 
	move	$v0,$a1
- 
 
 90 
 
- 
 
 91 
3:
- 
 
 92 
	addiu	$v0,$a0,3
- 
 
 93 
	and	$v0,$v0,$v1
- 
 
 94 
	bne	$a0,$v0,0b
69 
        srl     $t1,$a2,0x2
 95 
	srl	$t1,$a2,2
- 
 
 96 
 
70 
	beqz    $t1,1f
 97 
	beq	$t1,$zero,5f
71 
        move    $t0,$zero
 98 
	move	$a3,$zero
- 
 
 99 
 
72 
        move    $a3,$zero
 100 
	move	$a3,$zero
- 
 
 101 
	move	$a0,$zero
73 
2:
102 
4:
74 
        addu    $v0,$a1,$a3
 103 
	addu	$v0,$a1,$a0
75 
        lw      $v1,0($v0)
 104 
	lw	$v1,0($v0)
76 
        addiu   $t0,$t0,1
 105 
	addiu	$a3,$a3,1
77 
        addu    $v0,$a0,$a3
 106 
	addu	$v0,$t0,$a0
78 
        sw      $v1,0($v0)
 107 
	sw	$v1,0($v0)
79 
        bne     $t0,$t1,2b
 108 
	bne	$a3,$t1,4b
80 
        addiu   $a3,$a3,4
 109 
	addiu	$a0,$a0,4
- 
 
 110 
 
81 
1:
111 
5:
82 
        andi    $a2,$a2,0x3
 112 
	andi	$a2,$a2,0x3
83 
        beqz    $a2,3f
 113 
	beq	$a2,$zero,2b
84 
        move    $a3,$zero
 114 
	nop
- 
 
 115 
 
85 
        sll     $v0,$t0,0x2
 116 
	sll	$v0,$a3,2
86 
        addu    $t1,$a0,$v0
 117 
	addu	$t1,$v0,$t0
- 
 
 118 
	move	$a3,$zero
87 
        addu    $t0,$v0,$a1
 119 
	addu	$t0,$v0,$a1
88 
4:
120 
6:
89 
        addu    $v0,$t0,$a3
 121 
	addu	$v0,$t0,$a3
90 
        lbu     $a0,0($v0)
 122 
	lbu	$a0,0($v0)
91 
        addu    $v1,$t1,$a3
 123 
	addu	$v1,$t1,$a3
92 
        addiu   $a3,$a3,1
 124 
	addiu	$a3,$a3,1
93 
        bne     $a3,$a2,4b
 125 
	bne	$a3,$a2,6b
94 
        sb      $a0,0($v1)
 126 
	sb	$a0,0($v1)
95 
3:
127 
 
96 
        jr      $ra
 128 
	jr	$ra
97 
        move    $v0,$a1
 129 
	move	$v0,$a1
98 
 
 130 
 
99 
memcpy_from_uspace_failover_address:
 131 
memcpy_from_uspace_failover_address:
100 
memcpy_to_uspace_failover_address:
 132 
memcpy_to_uspace_failover_address:
101 
	jr	$ra
 133 
	jr	$ra
102 
	move	$v0, $zero
 134 
	move	$v0, $zero