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1 /*
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2
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3 Package: dyncall
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4 Library: dyncall
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5 File: dyncall/dyncall_call_mips_n64.h
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6 Description: mips "n64" ABI call-kernel C interface.
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7 License:
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8
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281
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9 Copyright (c) 2007-2018 Daniel Adler <dadler@uni-goettingen.de>,
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10 Tassilo Philipp <tphilipp@potion-studios.com>
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11
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12 Permission to use, copy, modify, and distribute this software for any
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13 purpose with or without fee is hereby granted, provided that the above
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14 copyright notice and this permission notice appear in all copies.
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15
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16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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23
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24 */
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25
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26
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27
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28 #ifndef DYNCALL_CALL_MIPS_N64_H
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29 #define DYNCALL_CALL_MIPS_N64_H
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30
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31 #include "dyncall_types.h"
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32
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33 #ifdef __cplusplus
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34 extern "C" {
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35 #endif
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36
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37 /*
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38 two register-files for integer (promoted to 64-bit) and float (not promoted!)
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39 are used.
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40
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41 arguments are transfered in a free slot on the corresponding register file.
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42 the other register-file will be skipped by one.
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43
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44 float arguments are either loaded from single or double -
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45 a auto-conversion into double and then loaded as double precision
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46 turned out to fail for several tests.
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47
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48 therefore a union for storage of float or double is used instead.
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49 a bitmask (mUseDouble) records which type is used and will be
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50 interpreted in the call-kernel.
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51 */
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52
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53 struct DCRegData_mips_n64
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54 {
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131
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55 DClonglong mIntData[8];
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305
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56 #if defined(DC__ABI_HARDFLOAT)
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57 union { DCfloat f; DCdouble d; } mFloatData[8];
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131
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58 DClonglong mUseDouble; /* bitmask: lower 8 bits specify to use float or double from union array. */
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305
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59 #endif /* DC__ABI_HARDFLOAT */
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60 };
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61
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62 void dcCall_mips_n64(DCpointer target, struct DCRegData_mips_n64* regdata, DCsize stksize, DCpointer stkdata);
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63
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64 #ifdef __cplusplus
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65 }
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66 #endif
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67
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68
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69 #endif /* DYNCALL_CALL_MIPS_N64_H */
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70
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