source1.ucp

来自「Intel IXP1200开发指南. 包含IXP1200网络处理器PPT演示与」· UCP 代码 · 共 32 行

.line 1 "D:\yxp\ixp1200\讲座\Intel IXP1200开发指南\开发指南5之demo工程\开发指南(5)之demo工程\demo1\Source1.uc"
;Reference Instructions
;TA
;sram (sig_done & br_!signal)
.xfer_order $xfer0 $xfer1 $xfer2 $xfer3 ;allocate 4 continuous SRAM XEFERs 
immed[$xfer0,0xffff1111]
immed[$xfer1,0xffff2222]
immed[$xfer2,0xffff3333]
immed[$xfer3,0xffff4444]
immed[base,0]
immed[offset,0]
sram[write, $xfer0, base, offset, 4], sig_done ;write the 4 continuous SRAM XEFERs(starting at $xfer0) to SRAM (starting address is base+offset)
wait#:
br_!signal[sram, wait#], guess_branch,defer[1]
nop
self#:
br[self#]