0,0 → 1,89 |
# |
# 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 <arch/asm/macro.h> |
|
.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 |
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addi r14, r3, -4 |
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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: |
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stbu r5, 1(r14) |
bdnz 8b |
|
blr |
|
memcpy: |
# TODO |
blr |