1 | /* |
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2 | (C) Copyright IBM Corp. 2008 |
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3 | |
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4 | All rights reserved. |
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5 | |
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6 | Redistribution and use in source and binary forms, with or without |
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7 | modification, are permitted provided that the following conditions are met: |
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8 | |
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9 | * Redistributions of source code must retain the above copyright notice, |
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10 | this list of conditions and the following disclaimer. |
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11 | * Redistributions in binary form must reproduce the above copyright |
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12 | notice, this list of conditions and the following disclaimer in the |
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13 | documentation and/or other materials provided with the distribution. |
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14 | * Neither the name of IBM nor the names of its contributors may be |
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15 | used to endorse or promote products derived from this software without |
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16 | specific prior written permission. |
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17 | |
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18 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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19 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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20 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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21 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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22 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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23 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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24 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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25 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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26 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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27 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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28 | POSSIBILITY OF SUCH DAMAGE. |
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29 | |
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30 | Author: Ken Werner <ken.werner@de.ibm.com> |
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31 | */ |
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32 | |
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33 | #include "ea_internal.h" |
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34 | #include <ea.h> |
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35 | #include <spu_cache.h> |
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36 | #include "sys/linux_syscalls.h" |
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37 | |
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38 | extern void __cache_flush (void) __attribute__ ((weak)); |
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39 | |
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40 | |
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41 | COMPAT_EA_ALIAS (write_ea); |
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42 | |
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43 | ssize_ea_t |
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44 | write_ea (int fd, __ea const void *buf, size_ea_t count) |
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45 | { |
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46 | struct spu_syscall_block s = { |
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47 | __NR_write, |
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48 | { |
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49 | fd, |
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50 | (size_ea_t) buf, |
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51 | count, |
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52 | 0, |
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53 | 0, |
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54 | 0} |
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55 | }; |
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56 | /* Flush cache only if the application really uses the software cache. */ |
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57 | if (__cache_flush) |
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58 | __cache_flush (); |
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59 | return __linux_syscall (&s); |
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60 | } |
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