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annotate fuhtark_test/include/ddk/ioaccess.h @ 1500:91c8c3b7cbf0

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add: futhark tests for generating vulkan api
author sam <sam@basx.dev>
date Wed, 26 Nov 2025 21:36:48 +0700
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1 /*
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2 * ioaccess.h
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3 *
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4 * Windows Device Driver Kit
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5 *
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6 * This file is part of the w32api package.
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7 *
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8 * THIS SOFTWARE IS NOT COPYRIGHTED
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9 *
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10 * This source code is offered for use in the public domain. You may
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11 * use, modify or distribute it freely.
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12 *
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13 * This code is distributed in the hope that it will be useful but
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14 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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15 * DISCLAIMED. This includes but is not limited to warranties of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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17 *
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18 */
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19 #ifndef __IOACCESS_H
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20 #define __IOACCESS_H
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21
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22 #ifdef __cplusplus
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23 extern "C" {
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24 #endif
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25
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26 #define H2I(p) PtrToUshort(p)
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27
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28 #ifndef NO_PORT_MACROS
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29
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30 #if defined(_X86_) || defined(_M_AMD64)
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31 #define READ_REGISTER_UCHAR(r) (*(volatile UCHAR *)(r))
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32 #define READ_REGISTER_USHORT(r) (*(volatile USHORT *)(r))
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33 #define READ_REGISTER_ULONG(r) (*(volatile ULONG *)(r))
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34 #define WRITE_REGISTER_UCHAR(r, v) (*(volatile UCHAR *)(r) = (v))
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35 #define WRITE_REGISTER_USHORT(r, v) (*(volatile USHORT *)(r) = (v))
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36 #define WRITE_REGISTER_ULONG(r, v) (*(volatile ULONG *)(r) = (v))
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37 #define READ_PORT_UCHAR(p) (UCHAR)(__inbyte (H2I(p)))
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38 #define READ_PORT_USHORT(p) (USHORT)(__inword (H2I(p)))
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39 #define READ_PORT_ULONG(p) (ULONG)(__indword (H2I(p)))
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40 #define WRITE_PORT_UCHAR(p, v) __outbyte (H2I(p), (v))
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41 #define WRITE_PORT_USHORT(p, v) __outword (H2I(p), (v))
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42 #define WRITE_PORT_ULONG(p, v) __outdword (H2I(p), (v))
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43
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44 #elif defined(_PPC_) || defined(_MIPS_) || defined(_ARM_)
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45
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46 #define READ_REGISTER_UCHAR(r) (*(volatile UCHAR * const)(r))
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47 #define READ_REGISTER_USHORT(r) (*(volatile USHORT * const)(r))
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48 #define READ_REGISTER_ULONG(r) (*(volatile ULONG * const)(r))
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49 #define WRITE_REGISTER_UCHAR(r, v) (*(volatile UCHAR * const)(r) = (v))
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50 #define WRITE_REGISTER_USHORT(r, v) (*(volatile USHORT * const)(r) = (v))
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51 #define WRITE_REGISTER_ULONG(r, v) (*(volatile ULONG * const)(r) = (v))
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52 #define READ_PORT_UCHAR(r) READ_REGISTER_UCHAR(r)
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53 #define READ_PORT_USHORT(r) READ_REGISTER_USHORT(r)
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54 #define READ_PORT_ULONG(r) READ_REGISTER_ULONG(r)
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55 #define WRITE_PORT_UCHAR(p, v) WRITE_REGISTER_UCHAR(p, (UCHAR) (v))
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56 #define WRITE_PORT_USHORT(p, v) WRITE_REGISTER_USHORT(p, (USHORT) (v))
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57 #define WRITE_PORT_ULONG(p, v) WRITE_REGISTER_ULONG(p, (ULONG) (v))
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58
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59 #else
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60
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61 #error Unsupported architecture
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62
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63 #endif
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64
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65 #endif /* NO_PORT_MACROS */
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66 #endif /* __IOACCESS_H */