diff options
| -rw-r--r-- | crypto/riscv32cpuid.pl | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/crypto/riscv32cpuid.pl b/crypto/riscv32cpuid.pl index 20694e7de7..ac1c043ec9 100644 --- a/crypto/riscv32cpuid.pl +++ b/crypto/riscv32cpuid.pl @@ -84,5 +84,22 @@ OPENSSL_cleanse: ___ } +{ +my ($ret) = ('a0'); +$code .= <<___; +################################################################################ +# size_t riscv_vlen_asm(void) +# Return VLEN (i.e. the length of a vector register in bits). +.p2align 3 +.globl riscv_vlen_asm +.type riscv_vlen_asm,\@function +riscv_vlen_asm: + csrr $ret, vlenb + slli $ret, $ret, 3 + ret +.size riscv_vlen_asm,.-riscv_vlen_asm +___ +} + print $code; close STDOUT or die "error closing STDOUT: $!"; |