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Ignore whitespace Rev 1684 → Rev 1685

/boot/trunk/arch/mips32/loader/asm.S
35,12 → 35,76
.text
 
.global halt
.global memcpy
.global jump_to_kernel
 
halt:
b halt
nop
memcpy:
addiu $v0,$a1,3
li $v1,-4 # 0xfffffffffffffffc
and $v0,$v0,$v1
beq $a1,$v0,3f
move $t0,$a0
 
0:
beq $a2,$zero,2f
move $a3,$zero
 
1:
addu $v0,$a1,$a3
lbu $a0,0($v0)
addu $v1,$t0,$a3
addiu $a3,$a3,1
bne $a3,$a2,1b
sb $a0,0($v1)
 
2:
jr $ra
move $v0,$a1
 
3:
addiu $v0,$a0,3
and $v0,$v0,$v1
bne $a0,$v0,0b
srl $t1,$a2,2
 
beq $t1,$zero,5f
move $a3,$zero
 
move $a3,$zero
move $a0,$zero
4:
addu $v0,$a1,$a0
lw $v1,0($v0)
addiu $a3,$a3,1
addu $v0,$t0,$a0
sw $v1,0($v0)
bne $a3,$t1,4b
addiu $a0,$a0,4
 
5:
andi $a2,$a2,0x3
beq $a2,$zero,2b
nop
 
sll $v0,$a3,2
addu $t1,$v0,$t0
move $a3,$zero
addu $t0,$v0,$a1
6:
addu $v0,$t0,$a3
lbu $a0,0($v0)
addu $v1,$t1,$a3
addiu $a3,$a3,1
bne $a3,$a2,6b
sb $a0,0($v1)
 
jr $ra
move $v0,$a1
 
jump_to_kernel:
# .word 0x39
j $a0