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-rw-r--r--mac-x86_64/crypto/rand/rdrand-x86_64.S39
1 files changed, 38 insertions, 1 deletions
diff --git a/mac-x86_64/crypto/rand/rdrand-x86_64.S b/mac-x86_64/crypto/rand/rdrand-x86_64.S
index 1ba990f..f0df296 100644
--- a/mac-x86_64/crypto/rand/rdrand-x86_64.S
+++ b/mac-x86_64/crypto/rand/rdrand-x86_64.S
@@ -1,11 +1,48 @@
#if defined(__x86_64__)
.text
+
+
+
.globl _CRYPTO_rdrand
.private_extern _CRYPTO_rdrand
.p2align 4
_CRYPTO_rdrand:
-.byte 0x48, 0x0f, 0xc7, 0xf0
+ xorq %rax,%rax
+
+
+.byte 0x48, 0x0f, 0xc7, 0xf1
+
+ adcq %rax,%rax
+ movq %rcx,0(%rdi)
+ .byte 0xf3,0xc3
+
+
+
+
+
+.globl _CRYPTO_rdrand_multiple8_buf
+.private_extern _CRYPTO_rdrand_multiple8_buf
+
+.p2align 4
+_CRYPTO_rdrand_multiple8_buf:
+ testq %rsi,%rsi
+ jz L$out
+ movq $8,%rdx
+L$loop:
+
+
+.byte 0x48, 0x0f, 0xc7, 0xf1
+ jnc L$err
+ movq %rcx,0(%rdi)
+ addq %rdx,%rdi
+ subq %rdx,%rsi
+ jnz L$loop
+L$out:
+ movq $1,%rax
+ .byte 0xf3,0xc3
+L$err:
+ xorq %rax,%rax
.byte 0xf3,0xc3
#endif