diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 25 |
1 files changed, 20 insertions, 5 deletions
@@ -34,9 +34,6 @@ #include <assert.h> #include <unistd.h> #include <info.h> -#if defined(__x86_64__) -#include <accel.h> -#endif /* defined(__x86_64__) */ #if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__ #error "Big endian machines not supported yet" @@ -176,12 +173,30 @@ encrypt(const struct cpu_info *info, char *buf, size_t buf_size) step >>= 1; switch (step) { +#if defined(__x86_64__) case 32: - accel_invert256((uintptr_t)buf + current_pos); + __asm__ __volatile__( + "vmovdqu (%0), %%ymm1\n" /* Load data into %YMM1 */ + "vpcmpeqb %%ymm0, %%ymm0, %%ymm0\n" /* Set %YMM0 to 1s */ + "vpxor %%ymm1, %%ymm0, %%ymm0\n" /* NOT %YMM1 -> %YMM0 */ + "vmovdqu %%ymm0, (%1)\n" /* Writeback result */ + : + : "r" ((uintptr_t)buf + current_pos), + "r" ((uintptr_t)buf + current_pos) + ); break; case 16: - accel_invert128((uintptr_t)buf + current_pos); + __asm__ __volatile__( + "movdqu (%0), %%xmm0\n" /* Read 128 bits -> %XMM0 */ + "pcmpeqb %%xmm1, %%xmm1\n" /* Set %XMM1 to all 1s */ + "pxor %%xmm0, %%xmm1\n" /* NOT %XMM0 -> %XMM1 */ + "movdqu %%xmm1, (%0)\n" + : + : "r" ((uintptr_t)buf + current_pos), + "r" ((uintptr_t)buf + current_pos) + ); break; +#endif case 8: flip_block(tmp, uint64_t, buf, current_pos); break; |