From cad26538e8579bb7f4bc6374e4b4155151bc2598 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 1 Jun 2023 23:22:20 -0700 Subject: [PATCH] target/riscv: Use aesenc_SB_SR_AK MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This implements the AES64ES instruction. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/riscv/crypto_helper.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/riscv/crypto_helper.c b/target/riscv/crypto_helper.c index 2ef30281b1..b072fed3e2 100644 --- a/target/riscv/crypto_helper.c +++ b/target/riscv/crypto_helper.c @@ -22,6 +22,7 @@ #include "exec/exec-all.h" #include "exec/helper-proto.h" #include "crypto/aes.h" +#include "crypto/aes-round.h" #include "crypto/sm4.h" #define AES_XTIME(a) \ @@ -136,6 +137,8 @@ target_ulong HELPER(aes32dsi)(target_ulong rs1, target_ulong rs2, AES_INVMIXBYTE(COL, 1, 2, 3, 0) << 8 | \ AES_INVMIXBYTE(COL, 0, 1, 2, 3) << 0) +static const AESState aes_zero = { }; + static inline target_ulong aes64_operation(target_ulong rs1, target_ulong rs2, bool enc, bool mix) { @@ -200,7 +203,12 @@ target_ulong HELPER(aes64esm)(target_ulong rs1, target_ulong rs2) target_ulong HELPER(aes64es)(target_ulong rs1, target_ulong rs2) { - return aes64_operation(rs1, rs2, true, false); + AESState t; + + t.d[HOST_BIG_ENDIAN] = rs1; + t.d[!HOST_BIG_ENDIAN] = rs2; + aesenc_SB_SR_AK(&t, &t, &aes_zero, false); + return t.d[HOST_BIG_ENDIAN]; } target_ulong HELPER(aes64ds)(target_ulong rs1, target_ulong rs2) -- 2.11.0