| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | ------------------------------------------------------------------------------- |
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| 4 | The macro `BITS64' can be defined to indicate that 64-bit integer types are |
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| 5 | supported by the compiler. |
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| 6 | ------------------------------------------------------------------------------- |
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| 7 | */ |
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| 8 | #define BITS64 |
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| 9 | |
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| 10 | /* |
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| 11 | ------------------------------------------------------------------------------- |
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| 12 | Each of the following `typedef's defines the most convenient type that holds |
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| 13 | integers of at least as many bits as specified. For example, `uint8' should |
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| 14 | be the most convenient type that can hold unsigned integers of as many as |
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| 15 | 8 bits. The `flag' type must be able to hold either a 0 or 1. For most |
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| 16 | implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed |
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| 17 | to the same as `int'. |
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| 18 | ------------------------------------------------------------------------------- |
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| 19 | */ |
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| 20 | typedef char flag; |
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| 21 | typedef unsigned char uint8; |
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| 22 | typedef signed char int8; |
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| 23 | typedef int uint16; |
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| 24 | typedef int int16; |
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| 25 | typedef unsigned int uint32; |
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| 26 | typedef signed int int32; |
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| 27 | #ifdef BITS64 |
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| 28 | typedef unsigned long long int bits64; |
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| 29 | typedef signed long long int sbits64; |
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| 30 | #endif |
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| 31 | |
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| 32 | /* |
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| 33 | ------------------------------------------------------------------------------- |
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| 34 | Each of the following `typedef's defines a type that holds integers |
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| 35 | of _exactly_ the number of bits specified. For instance, for most |
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| 36 | implementation of C, `bits16' and `sbits16' should be `typedef'ed to |
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| 37 | `unsigned short int' and `signed short int' (or `short int'), respectively. |
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| 38 | ------------------------------------------------------------------------------- |
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| 39 | */ |
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| 40 | typedef unsigned char bits8; |
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| 41 | typedef signed char sbits8; |
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| 42 | typedef unsigned short int bits16; |
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| 43 | typedef signed short int sbits16; |
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| 44 | typedef unsigned int bits32; |
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| 45 | typedef signed int sbits32; |
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| 46 | #ifdef BITS64 |
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| 47 | typedef unsigned long long int uint64; |
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| 48 | typedef signed long long int int64; |
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| 49 | #endif |
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| 50 | |
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| 51 | #ifdef BITS64 |
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| 52 | /* |
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| 53 | ------------------------------------------------------------------------------- |
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| 54 | The `LIT64' macro takes as its argument a textual integer literal and if |
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| 55 | necessary ``marks'' the literal as having a 64-bit integer type. For |
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| 56 | example, the Gnu C Compiler (`gcc') requires that 64-bit literals be |
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| 57 | appended with the letters `LL' standing for `long long', which is `gcc's |
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| 58 | name for the 64-bit integer type. Some compilers may allow `LIT64' to be |
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| 59 | defined as the identity macro: `#define LIT64( a ) a'. |
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| 60 | ------------------------------------------------------------------------------- |
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| 61 | */ |
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| 62 | #define LIT64( a ) a##LL |
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| 63 | #endif |
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| 64 | |
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| 65 | /* |
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| 66 | ------------------------------------------------------------------------------- |
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| 67 | The macro `INLINE' can be used before functions that should be inlined. If |
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| 68 | a compiler does not support explicit inlining, this macro should be defined |
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| 69 | to be `static'. |
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| 70 | ------------------------------------------------------------------------------- |
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| 71 | */ |
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| 72 | #define INLINE static inline |
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| 73 | |
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| 74 | |
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| 75 | /* For use as a GCC soft-float library we need some special function names. */ |
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| 76 | |
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| 77 | #ifdef __LIBFLOAT__ |
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| 78 | |
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| 79 | /* Some 32-bit ops can be mapped straight across by just changing the name. */ |
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| 80 | #define float32_add __addsf3 |
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| 81 | #define float32_sub __subsf3 |
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| 82 | #define float32_mul __mulsf3 |
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| 83 | #define float32_div __divsf3 |
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| 84 | #define int32_to_float32 __floatsisf |
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| 85 | #define float32_to_int32_round_to_zero __fixsfsi |
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| 86 | #define float32_to_uint32_round_to_zero __fixunssfsi |
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| 87 | |
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| 88 | /* These ones go through the glue code. To avoid namespace pollution |
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| 89 | we rename the internal functions too. */ |
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| 90 | #define float32_eq ___float32_eq |
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| 91 | #define float32_le ___float32_le |
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| 92 | #define float32_lt ___float32_lt |
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| 93 | |
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| 94 | /* All the 64-bit ops have to go through the glue, so we pull the same |
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| 95 | trick. */ |
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| 96 | #define float64_add ___float64_add |
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| 97 | #define float64_sub ___float64_sub |
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| 98 | #define float64_mul ___float64_mul |
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| 99 | #define float64_div ___float64_div |
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| 100 | #define int32_to_float64 ___int32_to_float64 |
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| 101 | #define float64_to_int32_round_to_zero ___float64_to_int32_round_to_zero |
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| 102 | #define float64_to_uint32_round_to_zero ___float64_to_uint32_round_to_zero |
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| 103 | #define float64_to_float32 ___float64_to_float32 |
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| 104 | #define float32_to_float64 ___float32_to_float64 |
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| 105 | #define float64_eq ___float64_eq |
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| 106 | #define float64_le ___float64_le |
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| 107 | #define float64_lt ___float64_lt |
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| 108 | |
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| 109 | #if 0 |
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| 110 | #define float64_add __adddf3 |
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| 111 | #define float64_sub __subdf3 |
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| 112 | #define float64_mul __muldf3 |
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| 113 | #define float64_div __divdf3 |
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| 114 | #define int32_to_float64 __floatsidf |
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| 115 | #define float64_to_int32_round_to_zero __fixdfsi |
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| 116 | #define float64_to_uint32_round_to_zero __fixunsdfsi |
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| 117 | #define float64_to_float32 __truncdfsf2 |
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| 118 | #define float32_to_float64 __extendsfdf2 |
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| 119 | #endif |
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| 120 | |
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| 121 | #endif |
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| 122 | |
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