diff mbox series

[v2,18/38] target/arm: Use aesenc_MC

Message ID 20230609022401.684157-19-richard.henderson@linaro.org
State Superseded
Headers show
Series crypto: Provide aes-round.h and host accel | expand

Commit Message

Richard Henderson June 9, 2023, 2:23 a.m. UTC 
This implements the AESMC instruction.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/crypto_helper.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/arm/tcg/crypto_helper.c b/target/arm/tcg/crypto_helper.c
index d2cb74e7fc..1952aaac58 100644
--- a/target/arm/tcg/crypto_helper.c
+++ b/target/arm/tcg/crypto_helper.c
@@ -124,7 +124,20 @@  void HELPER(crypto_aesmc)(void *vd, void *vm, uint32_t desc)
     intptr_t i, opr_sz = simd_oprsz(desc);
 
     for (i = 0; i < opr_sz; i += 16) {
-        do_crypto_aesmc(vd + i, vm + i, AES_mc_rot);
+        AESState *ad = (AESState *)(vd + i);
+        AESState *st = (AESState *)(vm + i);
+        AESState t;
+
+        /* Our uint64_t are in the wrong order for big-endian. */
+        if (HOST_BIG_ENDIAN) {
+            t.d[0] = st->d[1];
+            t.d[1] = st->d[0];
+            aesenc_MC(&t, &t, false);
+            ad->d[0] = t.d[1];
+            ad->d[1] = t.d[0];
+        } else {
+            aesenc_MC(ad, st, false);
+        }
     }
     clear_tail(vd, opr_sz, simd_maxsz(desc));
 }