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.set noreorder
.set noat
.section .text
.global AddPrim
.type AddPrim, @function
AddPrim:
lw $v0, 0($a0) # Load OT entry
lw $v1, 0($a1) # Set packet length value (in words)
lui $at, 0x00ff
or $at, 0xffff
and $v0, $at # Mask off the upper 8 bits of OT entry
or $v1, $v0 # OR values together
sw $v1, 0($a1) # Store new address to primitive tag
lw $v0, 0($a0) # Load OT entry
and $a1, $at # Mask off the upper 8 bits of primitive tag
lui $at, 0xff00
and $v0, $at # Mask off the first 24 bits of OT entry
or $v0, $a1 # OR values together
jr $ra
sw $v0, 0($a0) # Store result to OT
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