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Add conservative RISC-V platform detection

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王阳 2026-06-09 22:08:34 +08:00
parent a68fa19bc2
commit 720aaf0216
1 changed files with 16 additions and 0 deletions
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16
src/headers/tomcrypt_cfg.h
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@ -92,6 +92,22 @@ LTC_EXPORT int LTC_CALL XSTRCMP(const char *s1, const char *s2);
#define LTC_FAST
#endif
/* detect RISC-V. Do not enable LTC_FAST because unaligned word access is not
* guaranteed to be efficient or valid on all RISC-V systems. */
#if defined(__riscv) || defined(__riscv__)
#define LTC_ARCH_RISCV
#if defined(__riscv_xlen) && (__riscv_xlen == 64)
#define ENDIAN_64BITWORD
#else
#define ENDIAN_32BITWORD
#endif
#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
#define ENDIAN_BIG
#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define ENDIAN_LITTLE
#endif
#endif
/* detect PPC32 */
#if defined(LTC_PPC32)
#define ENDIAN_BIG