30 lines
780 B
C
30 lines
780 B
C
#include <sparc-ifunc.h>
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#define __md5_process_block __md5_process_block_generic
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extern void __md5_process_block_generic (const void *buffer, size_t len,
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struct md5_ctx *ctx);
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#include <crypt/md5-block.c>
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#undef __md5_process_block
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extern void __md5_process_block_crop (const void *buffer, size_t len,
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struct md5_ctx *ctx);
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static bool cpu_supports_md5(int hwcap)
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{
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unsigned long cfr;
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if (!(hwcap & HWCAP_SPARC_CRYPTO))
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return false;
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__asm__ ("rd %%asr26, %0" : "=r" (cfr));
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if (cfr & (1 << 4))
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return true;
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return false;
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}
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extern void __md5_process_block (const void *buffer, size_t len,
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struct md5_ctx *ctx);
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sparc_libc_ifunc(__md5_process_block, cpu_supports_md5(hwcap) ? __md5_process_block_crop : __md5_process_block_generic);
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