38 lines
1.2 KiB
ArmAsm
38 lines
1.2 KiB
ArmAsm
// This file is generated from a similarly-named Perl script in the BoringSSL
|
|
// source tree. Do not edit by hand.
|
|
|
|
#include <openssl/asm_base.h>
|
|
|
|
#if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_AARCH64) && defined(__ELF__)
|
|
#include <openssl/arm_arch.h>
|
|
|
|
.arch armv8-a
|
|
.text
|
|
|
|
# int CRYPTO_rndr_multiple8(uint8_t *out, const size_t len)
|
|
.globl CRYPTO_rndr_multiple8
|
|
.hidden CRYPTO_rndr_multiple8
|
|
.type CRYPTO_rndr_multiple8,%function
|
|
.align 4
|
|
CRYPTO_rndr_multiple8:
|
|
cbz x1, .Lrndr_multiple8_error // len = 0 is not supported
|
|
|
|
.Lrndr_multiple8_loop:
|
|
mrs x2, s3_3_c2_c4_0 // rndr instruction https://developer.arm.com/documentation/ddi0601/2024-09/Index-by-Encoding
|
|
cbz x2, .Lrndr_multiple8_error // Check if rndr failed
|
|
|
|
str x2, [x0], #8 // Copy 8 bytes to *out and increment pointer by 8
|
|
sub x1, x1, #8
|
|
cbz x1, .Lrndr_multiple8_done // If multiple of 8 this will be 0 eventually
|
|
b .Lrndr_multiple8_loop
|
|
|
|
.Lrndr_multiple8_done:
|
|
mov x0, #1 // Return value success
|
|
ret
|
|
|
|
.Lrndr_multiple8_error:
|
|
mov x0, #0 // Return value error
|
|
ret
|
|
.size CRYPTO_rndr_multiple8,.-CRYPTO_rndr_multiple8
|
|
#endif // !OPENSSL_NO_ASM && defined(OPENSSL_AARCH64) && defined(__ELF__)
|