# # Copyright (C) 2005 Martin Decky # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # - Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # - Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # - The name of the author may not be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # #include .text .global cpu_halt .global cpu_sleep .global memsetb .global memcpy cpu_halt: b cpu_halt cpu_sleep: b cpu_sleep memsetb: rlwimi r5, r5, 8, 16, 23 rlwimi r5, r5, 16, 0, 15 addi r14, r3, -4 cmplwi 0, r4, 4 blt 7f stwu r5, 4(r14) beqlr andi. r15, r14, 3 add r4, r15, r4 subf r14, r15, r14 srwi r15, r4, 2 mtctr r15 bdz 6f 1: stwu r5, 4(r14) bdnz 1b 6: andi. r4, r4, 3 7: cmpwi 0, r4, 0 beqlr mtctr r4 addi r6, r6, 3 8: stbu r5, 1(r14) bdnz 8b blr memcpy: # TODO blr