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Sun, 27 Feb 2022 09:28:02 -0500 Received: from localhost.localdomain (unknown [180.156.147.178]) by APP-01 (Coremail) with SMTP id qwCowACX3sZLihti7HLGAQ--.65305S9; Sun, 27 Feb 2022 22:27:32 +0800 (CST) From: Weiwei Li To: richard.henderson@linaro.org, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v6 07/14] target/riscv: rvk: add support for zkne/zknd extension in RV64 Date: Sun, 27 Feb 2022 22:25:46 +0800 Message-Id: <20220227142553.25815-8-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220227142553.25815-1-liweiwei@iscas.ac.cn> References: <20220227142553.25815-1-liweiwei@iscas.ac.cn> X-CM-TRANSID: qwCowACX3sZLihti7HLGAQ--.65305S9 X-Coremail-Antispam: 1UD129KBjvJXoWxuw18JrWxJr18tw1UZw1rCrg_yoWfKr18pr 4FkrW7trWUGFWfXa1Skw15Cw13ZFnagryUG3yfK3WSka1rtrZ5Xr1UJ3yayFs5GFyDurWY kFs8Aay2yayIqFUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPa14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr1j 6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7V C0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j 6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x0262 8vn2kIc2xKxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02 F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GF ylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7Cj xVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxV WUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfU OBTYUUUUU X-Originating-IP: [180.156.147.178] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.21; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wangjunqiang@iscas.ac.cn, Weiwei Li , lazyparser@gmail.com, luruibo2000@163.com, lustrew@foxmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" - add aes64dsm, aes64ds, aes64im, aes64es, aes64esm, aes64ks2, aes64ks1i instructions Co-authored-by: Ruibo Lu Co-authored-by: Zewen Ye Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang --- target/riscv/crypto_helper.c | 136 ++++++++++++++++++++++++ target/riscv/helper.h | 8 ++ target/riscv/insn32.decode | 11 ++ target/riscv/insn_trans/trans_rvk.c.inc | 102 ++++++++++++++++++ 4 files changed, 257 insertions(+) diff --git a/target/riscv/crypto_helper.c b/target/riscv/crypto_helper.c index f5a5909538..9e56668627 100644 --- a/target/riscv/crypto_helper.c +++ b/target/riscv/crypto_helper.c @@ -136,4 +136,140 @@ target_ulong HELPER(aes32dsi)(target_ulong rs1, target_ulong rs2, { return aes32_operation(bs, rs1, rs2, false, false); } + +static inline target_ulong aes64_operation(target_ulong rs1, target_ulong rs2, + bool enc, bool mix) +{ + uint64_t RS1 = rs1; + uint64_t RS2 = rs2; + uint64_t result; + uint64_t temp; + uint32_t col_0; + uint32_t col_1; + + if (enc) { + temp = AES_SHIFROWS_LO(RS1, RS2); + temp = (((uint64_t)AES_sbox[(temp >> 0) & 0xFF] << 0) | + ((uint64_t)AES_sbox[(temp >> 8) & 0xFF] << 8) | + ((uint64_t)AES_sbox[(temp >> 16) & 0xFF] << 16) | + ((uint64_t)AES_sbox[(temp >> 24) & 0xFF] << 24) | + ((uint64_t)AES_sbox[(temp >> 32) & 0xFF] << 32) | + ((uint64_t)AES_sbox[(temp >> 40) & 0xFF] << 40) | + ((uint64_t)AES_sbox[(temp >> 48) & 0xFF] << 48) | + ((uint64_t)AES_sbox[(temp >> 56) & 0xFF] << 56)); + if (mix) { + col_0 = temp & 0xFFFFFFFF; + col_1 = temp >> 32; + + col_0 = AES_MIXCOLUMN(col_0); + col_1 = AES_MIXCOLUMN(col_1); + + result = ((uint64_t)col_1 << 32) | col_0; + } else { + result = temp; + } + } else { + temp = AES_INVSHIFROWS_LO(RS1, RS2); + temp = (((uint64_t)AES_isbox[(temp >> 0) & 0xFF] << 0) | + ((uint64_t)AES_isbox[(temp >> 8) & 0xFF] << 8) | + ((uint64_t)AES_isbox[(temp >> 16) & 0xFF] << 16) | + ((uint64_t)AES_isbox[(temp >> 24) & 0xFF] << 24) | + ((uint64_t)AES_isbox[(temp >> 32) & 0xFF] << 32) | + ((uint64_t)AES_isbox[(temp >> 40) & 0xFF] << 40) | + ((uint64_t)AES_isbox[(temp >> 48) & 0xFF] << 48) | + ((uint64_t)AES_isbox[(temp >> 56) & 0xFF] << 56)); + if (mix) { + col_0 = temp & 0xFFFFFFFF; + col_1 = temp >> 32; + + col_0 = AES_INVMIXCOLUMN(col_0); + col_1 = AES_INVMIXCOLUMN(col_1); + + result = ((uint64_t)col_1 << 32) | col_0; + } else { + result = temp; + } + } + + return result; +} + +target_ulong HELPER(aes64esm)(target_ulong rs1, target_ulong rs2) +{ + return aes64_operation(rs1, rs2, true, true); +} + +target_ulong HELPER(aes64es)(target_ulong rs1, target_ulong rs2) +{ + return aes64_operation(rs1, rs2, true, false); +} + +target_ulong HELPER(aes64ds)(target_ulong rs1, target_ulong rs2) +{ + return aes64_operation(rs1, rs2, false, false); +} + +target_ulong HELPER(aes64dsm)(target_ulong rs1, target_ulong rs2) +{ + return aes64_operation(rs1, rs2, false, true); +} + +target_ulong HELPER(aes64ks2)(target_ulong rs1, target_ulong rs2) +{ + uint64_t RS1 = rs1; + uint64_t RS2 = rs2; + uint32_t rs1_hi = RS1 >> 32; + uint32_t rs2_lo = RS2; + uint32_t rs2_hi = RS2 >> 32; + + uint32_t r_lo = (rs1_hi ^ rs2_lo); + uint32_t r_hi = (rs1_hi ^ rs2_lo ^ rs2_hi); + target_ulong result = ((uint64_t)r_hi << 32) | r_lo; + + return result; +} + +target_ulong HELPER(aes64ks1i)(target_ulong rs1, target_ulong rnum) +{ + uint64_t RS1 = rs1; + uint8_t round_consts[10] = { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36 + }; + + uint8_t enc_rnum = rnum; + uint32_t temp = (RS1 >> 32) & 0xFFFFFFFF; + uint8_t rcon_ = 0; + target_ulong result; + + if (enc_rnum != 0xA) { + temp = (temp >> 8) | (temp << 24); /* Rotate right by 8 */ + rcon_ = round_consts[enc_rnum]; + } + + temp = ((uint32_t)AES_sbox[(temp >> 24) & 0xFF] << 24) | + ((uint32_t)AES_sbox[(temp >> 16) & 0xFF] << 16) | + ((uint32_t)AES_sbox[(temp >> 8) & 0xFF] << 8) | + ((uint32_t)AES_sbox[(temp >> 0) & 0xFF] << 0); + + temp ^= rcon_; + + result = ((uint64_t)temp << 32) | temp; + + return result; +} + +target_ulong HELPER(aes64im)(target_ulong rs1) +{ + uint64_t RS1 = rs1; + uint32_t col_0 = RS1 & 0xFFFFFFFF; + uint32_t col_1 = RS1 >> 32; + target_ulong result; + + col_0 = AES_INVMIXCOLUMN(col_0); + col_1 = AES_INVMIXCOLUMN(col_1); + + result = ((uint64_t)col_1 << 32) | col_0; + + return result; +} #undef sext_xlen diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 3681cb1218..040b771eb6 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1121,3 +1121,11 @@ DEF_HELPER_3(aes32esmi, tl, tl, tl, tl) DEF_HELPER_3(aes32esi, tl, tl, tl, tl) DEF_HELPER_3(aes32dsmi, tl, tl, tl, tl) DEF_HELPER_3(aes32dsi, tl, tl, tl, tl) + +DEF_HELPER_2(aes64esm, tl, tl, tl) +DEF_HELPER_2(aes64es, tl, tl, tl) +DEF_HELPER_2(aes64ds, tl, tl, tl) +DEF_HELPER_2(aes64dsm, tl, tl, tl) +DEF_HELPER_2(aes64ks2, tl, tl, tl) +DEF_HELPER_2(aes64ks1i, tl, tl, tl) +DEF_HELPER_1(aes64im, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 57ed51df8a..bf6a8797a2 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -20,6 +20,7 @@ %bs 30:2 %rs3 27:5 %rs2 20:5 +%rnum 20:4 %rs1 15:5 %rd 7:5 %sh5 20:5 @@ -840,6 +841,16 @@ hinval_gvma 0110011 ..... ..... 000 00000 1110011 @hfence_gvma # *** RV32 Zknd Standard Extension *** aes32dsmi .. 10111 ..... ..... 000 ..... 0110011 @k_aes aes32dsi .. 10101 ..... ..... 000 ..... 0110011 @k_aes +# *** RV64 Zknd Standard Extension *** +aes64dsm 00 11111 ..... ..... 000 ..... 0110011 @r +aes64ds 00 11101 ..... ..... 000 ..... 0110011 @r +aes64im 00 11000 00000 ..... 001 ..... 0010011 @r2 # *** RV32 Zkne Standard Extension *** aes32esmi .. 10011 ..... ..... 000 ..... 0110011 @k_aes aes32esi .. 10001 ..... ..... 000 ..... 0110011 @k_aes +# *** RV64 Zkne Standard Extension *** +aes64es 00 11001 ..... ..... 000 ..... 0110011 @r +aes64esm 00 11011 ..... ..... 000 ..... 0110011 @r +# *** RV64 Zkne/zknd Standard Extension *** +aes64ks2 01 11111 ..... ..... 000 ..... 0110011 @r +aes64ks1i 00 11000 1.... ..... 001 ..... 0010011 %rnum %rs1 %rd diff --git a/target/riscv/insn_trans/trans_rvk.c.inc b/target/riscv/insn_trans/trans_rvk.c.inc index eecbc8bfa8..3dc855fd3c 100644 --- a/target/riscv/insn_trans/trans_rvk.c.inc +++ b/target/riscv/insn_trans/trans_rvk.c.inc @@ -45,6 +45,20 @@ static bool trans_aes32esmi(DisasContext *ctx, arg_aes32esmi *a) return true; } +static bool trans_aes64esm(DisasContext *ctx, arg_aes64esm *a) +{ + REQUIRE_ZKNE(ctx); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + + gen_helper_aes64esm(dest, src1, src2); + gen_set_gpr(ctx, a->rd, dest); + + return true; +} + static bool trans_aes32esi(DisasContext *ctx, arg_aes32esi *a) { REQUIRE_ZKNE(ctx); @@ -61,6 +75,20 @@ static bool trans_aes32esi(DisasContext *ctx, arg_aes32esi *a) return true; } +static bool trans_aes64es(DisasContext *ctx, arg_aes64es *a) +{ + REQUIRE_ZKNE(ctx); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + + gen_helper_aes64es(dest, src1, src2); + gen_set_gpr(ctx, a->rd, dest); + + return true; +} + static bool trans_aes32dsmi(DisasContext *ctx, arg_aes32dsmi *a) { REQUIRE_ZKND(ctx); @@ -77,6 +105,34 @@ static bool trans_aes32dsmi(DisasContext *ctx, arg_aes32dsmi *a) return true; } +static bool trans_aes64dsm(DisasContext *ctx, arg_aes64dsm *a) +{ + REQUIRE_ZKND(ctx); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + + gen_helper_aes64dsm(dest, src1, src2); + gen_set_gpr(ctx, a->rd, dest); + + return true; +} + +static bool trans_aes64ks2(DisasContext *ctx, arg_aes64ks2 *a) +{ + REQUIRE_EITHER_EXT(ctx, zknd, zkne); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + + gen_helper_aes64ks2(dest, src1, src2); + gen_set_gpr(ctx, a->rd, dest); + + return true; +} + static bool trans_aes32dsi(DisasContext *ctx, arg_aes32dsi *a) { REQUIRE_ZKND(ctx); @@ -92,3 +148,49 @@ static bool trans_aes32dsi(DisasContext *ctx, arg_aes32dsi *a) tcg_temp_free(bs); return true; } + +static bool trans_aes64ds(DisasContext *ctx, arg_aes64ds *a) +{ + REQUIRE_ZKND(ctx); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + + gen_helper_aes64ds(dest, src1, src2); + gen_set_gpr(ctx, a->rd, dest); + + return true; +} + +static bool trans_aes64ks1i(DisasContext *ctx, arg_aes64ks1i *a) +{ + REQUIRE_EITHER_EXT(ctx, zknd, zkne); + + if (a->rnum > 0xA) { + return false; + } + + TCGv rnum = tcg_const_tl(a->rnum); + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + + gen_helper_aes64ks1i(dest, src1, rnum); + gen_set_gpr(ctx, a->rd, dest); + + tcg_temp_free(rnum); + return true; +} + +static bool trans_aes64im(DisasContext *ctx, arg_aes64im *a) +{ + REQUIRE_ZKND(ctx); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + + gen_helper_aes64im(dest, src1); + gen_set_gpr(ctx, a->rd, dest); + + return true; +}