From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 2 Jun 2023 08:33:15 +0000 (-0700)
Subject: target/riscv: Use aesdec_ISB_ISR_AK
X-Git-Tag: v8.1.0-rc0~20^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7a70583a4109a177468beab378177b2285344b7a;p=thirdparty%2Fqemu.git

target/riscv: Use aesdec_ISB_ISR_AK

This implements the AES64DS instruction.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/target/riscv/crypto_helper.c b/target/riscv/crypto_helper.c
index b072fed3e2d..e61f7fe1e52 100644
--- a/target/riscv/crypto_helper.c
+++ b/target/riscv/crypto_helper.c
@@ -213,7 +213,12 @@ target_ulong HELPER(aes64es)(target_ulong rs1, target_ulong rs2)
 
 target_ulong HELPER(aes64ds)(target_ulong rs1, target_ulong rs2)
 {
-    return aes64_operation(rs1, rs2, false, false);
+    AESState t;
+
+    t.d[HOST_BIG_ENDIAN] = rs1;
+    t.d[!HOST_BIG_ENDIAN] = rs2;
+    aesdec_ISB_ISR_AK(&t, &t, &aes_zero, false);
+    return t.d[HOST_BIG_ENDIAN];
 }
 
 target_ulong HELPER(aes64dsm)(target_ulong rs1, target_ulong rs2)