Changes in boot/arch/mips32/src/asm.S [4872160:a2da43c] in mainline
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
boot/arch/mips32/src/asm.S
r4872160 ra2da43c 36 36 .global start 37 37 .global halt 38 .global memcpy39 38 .global jump_to_kernel 40 39 … … 127 126 nop 128 127 129 memcpy:130 addiu $v0, $a1, 3131 li $v1, -4132 and $v0, $v0, $v1133 beq $a1, $v0, 3f134 move $t0, $a0135 move $t2, $a0136 137 0:138 beq $a2, $zero, 2f139 move $a3, $zero140 141 1:142 addu $v0, $a1, $a3143 lbu $a0, 0($v0)144 addu $v1, $t0, $a3145 addiu $a3, $a3, 1146 bne $a3, $a2, 1b147 sb $a0, 0($v1)148 149 2:150 jr $ra151 move $v0, $t2152 153 3:154 addiu $v0, $a0, 3155 and $v0, $v0, $v1156 bne $a0, $v0, 0b157 srl $t1, $a2, 2158 159 beq $t1, $zero, 5f160 move $a3, $zero161 162 move $a3, $zero163 move $a0, $zero164 165 4:166 addu $v0, $a1, $a0167 lw $v1, 0($v0)168 addiu $a3, $a3, 1169 addu $v0, $t0, $a0170 sw $v1, 0($v0)171 bne $a3, $t1, 4b172 addiu $a0, $a0, 4173 174 5:175 andi $a2, $a2, 0x3176 beq $a2, $zero, 2b177 nop178 179 sll $v0, $a3, 2180 addu $t1, $v0, $t0181 move $a3, $zero182 addu $t0, $v0, $a1183 184 6:185 addu $v0, $t0, $a3186 lbu $a0, 0($v0)187 addu $v1, $t1, $a3188 addiu $a3, $a3, 1189 bne $a3, $a2, 6b190 sb $a0, 0($v1)191 192 jr $ra193 move $v0, $t2194 195 128 jump_to_kernel: 196 129 #
Note:
See TracChangeset
for help on using the changeset viewer.