| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved.
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #ifndef CR_UNPACK_H
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| 8 | #define CR_UNPACK_H
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| 9 |
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| 10 | #include "cr_compiler.h"
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| 11 | #include "cr_spu.h"
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| 12 | #include "cr_protocol.h"
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| 13 | #include "cr_mem.h"
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| 14 | #include "cr_opcodes.h"
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| 15 |
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| 16 | #include <iprt/types.h>
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| 17 |
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| 18 | #ifdef __cplusplus
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| 19 | extern "C" {
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| 20 | #endif
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| 21 |
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| 22 | extern SPUDispatchTable cr_unpackDispatch;
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| 23 | /*extern DLLDATA(const unsigned char *) cr_unpackData;*/
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| 24 | extern DECLEXPORT(const unsigned char *) cr_unpackData;
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| 25 | extern DECLEXPORT(const unsigned char *) cr_unpackDataEnd;
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| 26 |
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| 27 | DECLEXPORT(void) crUnpackSetReturnPointer( CRNetworkPointer *ptr );
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| 28 | DECLEXPORT(void) crUnpackSetWritebackPointer( CRNetworkPointer *ptr );
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| 29 | DECLEXPORT(void) crUnpack( const void *data, const void *data_end, const void *opcodes, unsigned int num_opcodes, SPUDispatchTable *table );
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| 30 | DECLEXPORT(void) crUnpackPush(void);
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| 31 | DECLEXPORT(void) crUnpackPop(void);
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| 32 |
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| 33 | typedef enum
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| 34 | {
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| 35 | CR_UNPACK_BUFFER_TYPE_GENERIC = 0,
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| 36 | CR_UNPACK_BUFFER_TYPE_CMDBLOCK_BEGIN,
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| 37 | CR_UNPACK_BUFFER_TYPE_CMDBLOCK_FLUSH,
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| 38 | CR_UNPACK_BUFFER_TYPE_CMDBLOCK_END
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| 39 | } CR_UNPACK_BUFFER_TYPE;
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| 40 |
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| 41 | DECLEXPORT(CR_UNPACK_BUFFER_TYPE) crUnpackGetBufferType(const void *opcodes, unsigned int num_opcodes);
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| 42 |
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| 43 | extern CRNetworkPointer * return_ptr;
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| 44 | extern CRNetworkPointer * writeback_ptr;
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| 45 |
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| 46 | #if defined(LINUX) || defined(WINDOWS)
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| 47 | #define CR_UNALIGNED_ACCESS_OKAY
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| 48 | #else
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| 49 | #undef CR_UNALIGNED_ACCESS_OKAY
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| 50 | #endif
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| 51 | DECLEXPORT(double) crReadUnalignedDouble( const void *buffer );
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| 52 |
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| 53 | #define READ_DATA( offset, type ) \
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| 54 | *( (const type *) (cr_unpackData + (offset)))
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| 55 |
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| 56 | #ifdef CR_UNALIGNED_ACCESS_OKAY
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| 57 | #define READ_DOUBLE( offset ) \
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| 58 | READ_DATA( offset, GLdouble )
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| 59 | #else
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| 60 | #define READ_DOUBLE( offset ) \
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| 61 | crReadUnalignedDouble( cr_unpackData + (offset) )
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| 62 | #endif
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| 63 |
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| 64 | #define READ_NETWORK_POINTER( offset ) \
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| 65 | ( cr_unpackData + (offset) )
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| 66 |
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| 67 | /* XXX make this const */
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| 68 | #define DATA_POINTER( offset, type ) \
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| 69 | ( (type *) (cr_unpackData + (offset)) )
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| 70 |
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| 71 | #define DATA_POINTER_CHECK( offset ) \
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| 72 | ( (cr_unpackDataEnd >= cr_unpackData) && (size_t)(cr_unpackDataEnd - cr_unpackData) >= (size_t)(offset) )
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| 73 |
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| 74 | #define INCR_DATA_PTR( delta ) \
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| 75 | cr_unpackData += (delta)
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| 76 |
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| 77 | #define INCR_DATA_PTR_NO_ARGS() \
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| 78 | INCR_DATA_PTR( 4 )
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| 79 |
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| 80 | #define INCR_VAR_PTR() \
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| 81 | INCR_DATA_PTR( *((int *) cr_unpackData ) )
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| 82 |
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| 83 | #define SET_RETURN_PTR( offset ) do { \
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| 84 | CRDBGPTR_CHECKZ(return_ptr); \
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| 85 | if (!DATA_POINTER_CHECK(offset + sizeof(*return_ptr))) \
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| 86 | { \
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| 87 | crError("%s: SET_RETURN_PTR(%u) offset out of bounds\n", __FUNCTION__, offset); \
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| 88 | return; \
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| 89 | } \
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| 90 | crMemcpy( return_ptr, cr_unpackData + (offset), sizeof( *return_ptr ) ); \
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| 91 | } while (0);
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| 92 |
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| 93 |
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| 94 | #define SET_WRITEBACK_PTR( offset ) do { \
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| 95 | CRDBGPTR_CHECKZ(writeback_ptr); \
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| 96 | if (!DATA_POINTER_CHECK(offset + sizeof(*writeback_ptr))) \
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| 97 | { \
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| 98 | crError("%s: SET_WRITEBACK_PTR(%u) offset out of bounds\n", __FUNCTION__, offset); \
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| 99 | return; \
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| 100 | } \
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| 101 | crMemcpy( writeback_ptr, cr_unpackData + (offset), sizeof( *writeback_ptr ) ); \
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| 102 | } while (0);
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| 103 |
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| 104 | #ifdef __cplusplus
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| 105 | }
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| 106 | #endif
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| 107 |
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| 108 | #endif /* CR_UNPACK_H */
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