| Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1 | default rel |
| 2 | %define XMMWORD |
| 3 | %define YMMWORD |
| 4 | %define ZMMWORD |
| 5 | section .text code align=64 |
| 6 | |
| 7 | |
| Adam Langley | bd9957e | 2015-06-23 16:28:07 -0700 | [diff] [blame] | 8 | |
| 9 | |
| 10 | |
| Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 11 | global CRYPTO_rdrand |
| 12 | |
| 13 | ALIGN 16 |
| 14 | CRYPTO_rdrand: |
| 15 | mov QWORD[8+rsp],rdi ;WIN64 prologue |
| 16 | mov QWORD[16+rsp],rsi |
| 17 | mov rax,rsp |
| 18 | $L$SEH_begin_CRYPTO_rdrand: |
| 19 | mov rdi,rcx |
| 20 | |
| 21 | |
| Adam Langley | bd9957e | 2015-06-23 16:28:07 -0700 | [diff] [blame] | 22 | xor rax,rax |
| 23 | |
| 24 | |
| 25 | DB 0x48,0x0f,0xc7,0xf1 |
| 26 | |
| 27 | adc rax,rax |
| 28 | mov QWORD[rdi],rcx |
| 29 | mov rdi,QWORD[8+rsp] ;WIN64 epilogue |
| 30 | mov rsi,QWORD[16+rsp] |
| 31 | DB 0F3h,0C3h ;repret |
| 32 | |
| 33 | |
| 34 | |
| 35 | |
| 36 | |
| 37 | global CRYPTO_rdrand_multiple8_buf |
| 38 | |
| 39 | ALIGN 16 |
| 40 | CRYPTO_rdrand_multiple8_buf: |
| 41 | mov QWORD[8+rsp],rdi ;WIN64 prologue |
| 42 | mov QWORD[16+rsp],rsi |
| 43 | mov rax,rsp |
| 44 | $L$SEH_begin_CRYPTO_rdrand_multiple8_buf: |
| 45 | mov rdi,rcx |
| 46 | mov rsi,rdx |
| 47 | |
| 48 | |
| 49 | test rsi,rsi |
| 50 | jz NEAR $L$out |
| 51 | mov rdx,8 |
| 52 | $L$loop: |
| 53 | |
| 54 | |
| 55 | DB 0x48,0x0f,0xc7,0xf1 |
| 56 | jnc NEAR $L$err |
| 57 | mov QWORD[rdi],rcx |
| 58 | add rdi,rdx |
| 59 | sub rsi,rdx |
| 60 | jnz NEAR $L$loop |
| 61 | $L$out: |
| 62 | mov rax,1 |
| 63 | mov rdi,QWORD[8+rsp] ;WIN64 epilogue |
| 64 | mov rsi,QWORD[16+rsp] |
| 65 | DB 0F3h,0C3h ;repret |
| 66 | $L$err: |
| 67 | xor rax,rax |
| Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 68 | mov rdi,QWORD[8+rsp] ;WIN64 epilogue |
| 69 | mov rsi,QWORD[16+rsp] |
| 70 | DB 0F3h,0C3h ;repret |