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target/ppc: Use aesenc_SB_SR_MC_AK

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This implements the VCIPHER instruction.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-06-02 14:28:15 -07:00
parent 2cf44f3b8c
commit ce9f5b371d
1 changed files with 4 additions and 10 deletions
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14
target/ppc/int_helper.c
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@ -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) void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{ {
ppc_avr_t result; AESState *ad = (AESState *)r;
int i; AESState *st = (AESState *)a;
AESState *rk = (AESState *)b;
VECTOR_FOR_INORDER_I(i, u32) { aesenc_SB_SR_MC_AK(ad, st, rk, true);
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;
} }
void helper_vcipherlast(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)