[PATCH 25/45] target/riscv: Add vaesem.vs decoding, translation and execution support

[Lawrence Hunter <lawrence.hunter@xxxxxxxxxxxxxxx>]

From: William Salmon <will.salmon@xxxxxxxxxxxxxxx>

Signed-off-by: William Salmon <will.salmon@xxxxxxxxxxxxxxx>
---
 target/riscv/helper.h                        | 1 +
 target/riscv/insn32.decode                   | 1 +
 target/riscv/insn_trans/trans_rvzvkned.c.inc | 1 +
 target/riscv/vcrypto_helper.c                | 3 +++
 4 files changed, 6 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index c55d59dc5e..946ae8c51d 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1193,6 +1193,7 @@ DEF_HELPER_4(vaesef_vs, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesdf_vv, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesdf_vs, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesem_vv, void, ptr, ptr, env, i32)
+DEF_HELPER_4(vaesem_vs, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesdm_vv, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesdm_vs, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesz_vs, void, ptr, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index f03b41f9e2..3187c5cc64 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -933,6 +933,7 @@ vaesef_vs       101001 1 ..... 00011 010 ..... 1110111 @r2_vm_1
 vaesdf_vv       101000 1 ..... 00001 010 ..... 1110111 @r2_vm_1
 vaesdf_vs       101001 1 ..... 00001 010 ..... 1110111 @r2_vm_1
 vaesem_vv       101000 1 ..... 00010 010 ..... 1110111 @r2_vm_1
+vaesem_vs       101001 1 ..... 00010 010 ..... 1110111 @r2_vm_1
 vaesdm_vv       101000 1 ..... 00000 010 ..... 1110111 @r2_vm_1
 vaesdm_vs       101001 1 ..... 00000 010 ..... 1110111 @r2_vm_1
 vaesz_vs        101001 1 ..... 00111 010 ..... 1110111 @r2_vm_1
diff --git a/target/riscv/insn_trans/trans_rvzvkned.c.inc b/target/riscv/insn_trans/trans_rvzvkned.c.inc
index 0b54d6e9d3..028f04a4d7 100644
--- a/target/riscv/insn_trans/trans_rvzvkned.c.inc
+++ b/target/riscv/insn_trans/trans_rvzvkned.c.inc
@@ -96,3 +96,4 @@ GEN_V_UNMASKED_TRANS(vaesdm_vv, vaes_check_vv)
 GEN_V_UNMASKED_TRANS(vaesdm_vs, vaes_check_vs)
 GEN_V_UNMASKED_TRANS(vaesz_vs, vaes_check_vs)
 GEN_V_UNMASKED_TRANS(vaesem_vv, vaes_check_vv)
+GEN_V_UNMASKED_TRANS(vaesem_vs, vaes_check_vs)
diff --git a/target/riscv/vcrypto_helper.c b/target/riscv/vcrypto_helper.c
index beef7699db..600069adb1 100644
--- a/target/riscv/vcrypto_helper.c
+++ b/target/riscv/vcrypto_helper.c
@@ -336,6 +336,9 @@ GEN_ZVKNED_HELPER_VS(vaesdf_vs, aes_inv_shift_bytes(round_state);
 GEN_ZVKNED_HELPER_VV(vaesem_vv, aes_shift_bytes(round_state);
                     aes_sub_bytes(round_state); aes_mix_cols(round_state);
                     xor_round_key(round_state, (uint8_t *)round_key);)
+GEN_ZVKNED_HELPER_VS(vaesem_vs, aes_shift_bytes(round_state);
+                    aes_sub_bytes(round_state); aes_mix_cols(round_state);
+                    xor_round_key(round_state, (uint8_t *)round_key);)
 GEN_ZVKNED_HELPER_VV(vaesdm_vv, aes_inv_shift_bytes(round_state);
                     aes_inv_sub_bytes(round_state);
                     xor_round_key(round_state, (uint8_t *)round_key);
-- 
2.39.2