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[PATCH v2 10/38] target/ppc: Use aesenc_SB_SR_AK


From: Richard Henderson
Subject: [PATCH v2 10/38] target/ppc: Use aesenc_SB_SR_AK
Date: Thu, 8 Jun 2023 19:23:33 -0700

This implements the VCIPHERLAST instruction.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/ppc/int_helper.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index d97a7f1f28..34257e9d76 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -25,6 +25,7 @@
 #include "qemu/log.h"
 #include "exec/helper-proto.h"
 #include "crypto/aes.h"
+#include "crypto/aes-round.h"
 #include "fpu/softfloat.h"
 #include "qapi/error.h"
 #include "qemu/guest-random.h"
@@ -2947,13 +2948,7 @@ void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, 
ppc_avr_t *b)
 
 void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
-    ppc_avr_t result;
-    int i;
-
-    VECTOR_FOR_INORDER_I(i, u8) {
-        result.VsrB(i) = b->VsrB(i) ^ (AES_sbox[a->VsrB(AES_shifts[i])]);
-    }
-    *r = result;
+    aesenc_SB_SR_AK((AESState *)r, (AESState *)a, (AESState *)b, true);
 }
 
 void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
-- 
2.34.1




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