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[v4,17/37] target/ppc: Use aesenc_SB_SR_MC_AK

Message ID 20230703100520.68224-18-richard.henderson@linaro.org
State Superseded
Headers show
Series crypto: Provide aes-round.h and host accel | expand

Commit Message

Richard Henderson July 3, 2023, 10:05 a.m. UTC 
This implements the VCIPHER instruction.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/ppc/int_helper.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

Comments

Philippe Mathieu-Daudé July 7, 2023, 7:50 p.m. UTC | #1 
On 3/7/23 12:05, Richard Henderson wrote:
> This implements the VCIPHER instruction.
> 
> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/ppc/int_helper.c | 14 ++++----------
>   1 file changed, 4 insertions(+), 10 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Patch

diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index 15f07fca2b..1e477924b7 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2933,17 +2933,11 @@  void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a)
 
 void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
-    ppc_avr_t result;
-    int i;
+    AESState *ad = (AESState *)r;
+    AESState *st = (AESState *)a;
+    AESState *rk = (AESState *)b;
 
-    VECTOR_FOR_INORDER_I(i, u32) {
-        result.VsrW(i) = b->VsrW(i) ^
-            (AES_Te0[a->VsrB(AES_shifts[4 * i + 0])] ^
-             AES_Te1[a->VsrB(AES_shifts[4 * i + 1])] ^
-             AES_Te2[a->VsrB(AES_shifts[4 * i + 2])] ^
-             AES_Te3[a->VsrB(AES_shifts[4 * i + 3])]);
-    }
-    *r = result;
+    aesenc_SB_SR_MC_AK(ad, st, rk, true);
 }
 
 void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)