| /kernel/trunk/arch/mips32/src/asm.S |
|---|
| 66,36 → 66,68 |
| memcpy: |
| memcpy_from_uspace: |
| memcpy_to_uspace: |
| srl $t1,$a2,0x2 |
| beqz $t1,1f |
| move $t0,$zero |
| move $a3,$zero |
| 2: |
| addu $v0,$a1,$a3 |
| lw $v1,0($v0) |
| addiu $t0,$t0,1 |
| addu $v0,$a0,$a3 |
| sw $v1,0($v0) |
| bne $t0,$t1,2b |
| addiu $a3,$a3,4 |
| 1: |
| andi $a2,$a2,0x3 |
| beqz $a2,3f |
| move $a3,$zero |
| sll $v0,$t0,0x2 |
| addu $t1,$a0,$v0 |
| addu $t0,$v0,$a1 |
| 4: |
| addu $v0,$t0,$a3 |
| lbu $a0,0($v0) |
| addu $v1,$t1,$a3 |
| addiu $a3,$a3,1 |
| bne $a3,$a2,4b |
| sb $a0,0($v1) |
| 3: |
| jr $ra |
| move $v0,$a1 |
| 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 |
| memcpy_from_uspace_failover_address: |
| memcpy_to_uspace_failover_address: |
| jr $ra |