[v1] crypto: Provide aes-round.h and host accel

[PATCH 13/35] target/ppc: Use aesdec_ISB_ISR

Richard Henderson posted 35 patches 2 years, 8 months ago

Diff against v1 v2 v3 v4
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Maintainers: "Daniel P. Berrangé" <berrange@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Eduardo Habkost <eduardo@habkost.net>, "Alex Bennée" <alex.bennee@linaro.org>

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[PATCH 13/35] target/ppc: Use aesdec_ISB_ISR

Posted by Richard Henderson 2 years, 8 months ago

This implements the VNCIPHERLAST instruction.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/ppc/int_helper.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index b49e17685b..444beb1779 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2979,13 +2979,13 @@ void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 
 void helper_vncipherlast(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;
+    AESState t;
 
-    VECTOR_FOR_INORDER_I(i, u8) {
-        result.VsrB(i) = b->VsrB(i) ^ (AES_isbox[a->VsrB(AES_ishifts[i])]);
-    }
-    *r = result;
+    aesdec_ISB_ISR(&t, st, true);
+    ad->v = t.v ^ rk->v;
 }
 
 void helper_vshasigmaw(ppc_avr_t *r,  ppc_avr_t *a, uint32_t st_six)
-- 
2.34.1