From f6631e38f901e2a439604fac2bd62933f9dbb8ad Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christoph=20M=C3=BCllner?= Date: Thu, 26 Jan 2023 17:34:05 +0100 Subject: riscv: AES: Provide a Zvkned-based implementation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The upcoming RISC-V vector crypto extensions provide the Zvkned extension, that provides a AES-specific instructions. This patch provides an implementation that utilizes this extension if available. Tested on QEMU and no regressions observed. Signed-off-by: Christoph Müllner Reviewed-by: Tomas Mraz Reviewed-by: Paul Dale Reviewed-by: Hugo Landau (Merged from https://github.com/openssl/openssl/pull/21923) --- crypto/perlasm/riscv.pm | 60 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) (limited to 'crypto/perlasm') diff --git a/crypto/perlasm/riscv.pm b/crypto/perlasm/riscv.pm index 7700bf6429..057109f18b 100644 --- a/crypto/perlasm/riscv.pm +++ b/crypto/perlasm/riscv.pm @@ -498,4 +498,64 @@ sub vgmul_vv { return ".word ".($template | ($vs2 << 20) | ($vd << 7)); } +## Zvkned instructions + +sub vaesdf_vs { + # vaesdf.vs vd, vs2 + my $template = 0b101001_1_00000_00001_010_00000_1110111; + my $vd = read_vreg shift; + my $vs2 = read_vreg shift; + return ".word ".($template | ($vs2 << 20) | ($vd << 7)); +} + +sub vaesdm_vs { + # vaesdm.vs vd, vs2 + my $template = 0b101001_1_00000_00000_010_00000_1110111; + my $vd = read_vreg shift; + my $vs2 = read_vreg shift; + return ".word ".($template | ($vs2 << 20) | ($vd << 7)); +} + +sub vaesef_vs { + # vaesef.vs vd, vs2 + my $template = 0b101001_1_00000_00011_010_00000_1110111; + my $vd = read_vreg shift; + my $vs2 = read_vreg shift; + return ".word ".($template | ($vs2 << 20) | ($vd << 7)); +} + +sub vaesem_vs { + # vaesem.vs vd, vs2 + my $template = 0b101001_1_00000_00010_010_00000_1110111; + my $vd = read_vreg shift; + my $vs2 = read_vreg shift; + return ".word ".($template | ($vs2 << 20) | ($vd << 7)); +} + +sub vaeskf1_vi { + # vaeskf1.vi vd, vs2, uimmm + my $template = 0b100010_1_00000_00000_010_00000_1110111; + my $vd = read_vreg shift; + my $vs2 = read_vreg shift; + my $uimm = shift; + return ".word ".($template | ($uimm << 15) | ($vs2 << 20) | ($vd << 7)); +} + +sub vaeskf2_vi { + # vaeskf2.vi vd, vs2, uimm + my $template = 0b101010_1_00000_00000_010_00000_1110111; + my $vd = read_vreg shift; + my $vs2 = read_vreg shift; + my $uimm = shift; + return ".word ".($template | ($vs2 << 20) | ($uimm << 15) | ($vd << 7)); +} + +sub vaesz_vs { + # vaesz.vs vd, vs2 + my $template = 0b101001_1_00000_00111_010_00000_1110111; + my $vd = read_vreg shift; + my $vs2 = read_vreg shift; + return ".word ".($template | ($vs2 << 20) | ($vd << 7)); +} + 1; -- cgit v1.2.3