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Fri, 22 Apr 2022 22:35:42 -0400 Received: from localhost.localdomain (unknown [180.156.147.178]) by APP-03 (Coremail) with SMTP id rQCowABX0+DqZWNiSogjAA--.1876S8; Sat, 23 Apr 2022 10:35:28 +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 v12 06/14] target/riscv: rvk: add support for zknd/zkne extension in RV32 Date: Sat, 23 Apr 2022 10:35:02 +0800 Message-Id: <20220423023510.30794-7-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220423023510.30794-1-liweiwei@iscas.ac.cn> References: <20220423023510.30794-1-liweiwei@iscas.ac.cn> X-CM-TRANSID: rQCowABX0+DqZWNiSogjAA--.1876S8 X-Coremail-Antispam: 1UD129KBjvJXoWxuFWkXFW7XrW5KryDKw4xtFb_yoWfuw13pF 4fGrWUGF48JrWfAaySkF45Jr17ZF4fuF4UJw4fXr1kJa15tFZ5Jr1DK3y3KFs8JFykur1j 9a1DZFy2y3y0q3DanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPI14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UM28EF7xvwVC2z280aVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr0_ Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6x IIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_ Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8c xan2IY04v7MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8C rVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8Zw CIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x02 67AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r 1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUQ SdkUUUUU= X-Originating-IP: [180.156.147.178] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.23; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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 aes32esmi, aes32esi, aes32dsmi and aes32dsi instructions Co-authored-by: Zewen Ye Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/crypto_helper.c | 105 ++++++++++++++++++++++++ target/riscv/helper.h | 6 ++ target/riscv/insn32.decode | 11 +++ target/riscv/insn_trans/trans_rvk.c.inc | 71 ++++++++++++++++ target/riscv/meson.build | 3 +- target/riscv/translate.c | 1 + 6 files changed, 196 insertions(+), 1 deletion(-) create mode 100644 target/riscv/crypto_helper.c create mode 100644 target/riscv/insn_trans/trans_rvk.c.inc diff --git a/target/riscv/crypto_helper.c b/target/riscv/crypto_helper.c new file mode 100644 index 0000000000..220d51c742 --- /dev/null +++ b/target/riscv/crypto_helper.c @@ -0,0 +1,105 @@ +/* + * RISC-V Crypto Emulation Helpers for QEMU. + * + * Copyright (c) 2021 Ruibo Lu, luruibo2000@163.com + * Copyright (c) 2021 Zewen Ye, lustrew@foxmail.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "exec/exec-all.h" +#include "exec/helper-proto.h" +#include "crypto/aes.h" +#include "crypto/sm4.h" + +#define AES_XTIME(a) \ + ((a << 1) ^ ((a & 0x80) ? 0x1b : 0)) + +#define AES_GFMUL(a, b) (( \ + (((b) & 0x1) ? (a) : 0) ^ \ + (((b) & 0x2) ? AES_XTIME(a) : 0) ^ \ + (((b) & 0x4) ? AES_XTIME(AES_XTIME(a)) : 0) ^ \ + (((b) & 0x8) ? AES_XTIME(AES_XTIME(AES_XTIME(a))) : 0)) & 0xFF) + +static inline uint32_t aes_mixcolumn_byte(uint8_t x, bool fwd) +{ + uint32_t u; + + if (fwd) { + u = (AES_GFMUL(x, 3) << 24) | (x << 16) | (x << 8) | + (AES_GFMUL(x, 2) << 0); + } else { + u = (AES_GFMUL(x, 0xb) << 24) | (AES_GFMUL(x, 0xd) << 16) | + (AES_GFMUL(x, 0x9) << 8) | (AES_GFMUL(x, 0xe) << 0); + } + return u; +} + +#define sext32_xlen(x) (target_ulong)(int32_t)(x) + +static inline target_ulong aes32_operation(target_ulong shamt, + target_ulong rs1, target_ulong rs2, + bool enc, bool mix) +{ + uint8_t si = rs2 >> shamt; + uint8_t so; + uint32_t mixed; + target_ulong res; + + if (enc) { + so = AES_sbox[si]; + if (mix) { + mixed = aes_mixcolumn_byte(so, true); + } else { + mixed = so; + } + } else { + so = AES_isbox[si]; + if (mix) { + mixed = aes_mixcolumn_byte(so, false); + } else { + mixed = so; + } + } + mixed = rol32(mixed, shamt); + res = rs1 ^ mixed; + + return sext32_xlen(res); +} + +target_ulong HELPER(aes32esmi)(target_ulong rs1, target_ulong rs2, + target_ulong shamt) +{ + return aes32_operation(shamt, rs1, rs2, true, true); +} + +target_ulong HELPER(aes32esi)(target_ulong rs1, target_ulong rs2, + target_ulong shamt) +{ + return aes32_operation(shamt, rs1, rs2, true, false); +} + +target_ulong HELPER(aes32dsmi)(target_ulong rs1, target_ulong rs2, + target_ulong shamt) +{ + return aes32_operation(shamt, rs1, rs2, false, true); +} + +target_ulong HELPER(aes32dsi)(target_ulong rs1, target_ulong rs2, + target_ulong shamt) +{ + return aes32_operation(shamt, rs1, rs2, false, false); +} +#undef sext32_xlen diff --git a/target/riscv/helper.h b/target/riscv/helper.h index cfead7abfc..3c4e7e6113 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1112,3 +1112,9 @@ DEF_HELPER_5(divu_i128, tl, env, tl, tl, tl, tl) DEF_HELPER_5(divs_i128, tl, env, tl, tl, tl, tl) DEF_HELPER_5(remu_i128, tl, env, tl, tl, tl, tl) DEF_HELPER_5(rems_i128, tl, env, tl, tl, tl, tl) + +/* Crypto functions */ +DEF_HELPER_FLAGS_3(aes32esmi, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl) +DEF_HELPER_FLAGS_3(aes32esi, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl) +DEF_HELPER_FLAGS_3(aes32dsmi, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl) +DEF_HELPER_FLAGS_3(aes32dsi, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 75ffac9c81..0f2e661583 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -35,6 +35,7 @@ %imm_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1 %imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1 %imm_u 12:s20 !function=ex_shift_12 +%imm_bs 30:2 !function=ex_shift_3 # Argument sets: &empty @@ -52,6 +53,7 @@ &rmr vm rd rs2 &r2nfvm vm rd rs1 nf &rnfvm vm rd rs1 rs2 nf +&k_aes shamt rs2 rs1 rd # Formats 32: @r ....... ..... ..... ... ..... ....... &r %rs2 %rs1 %rd @@ -89,6 +91,8 @@ @sfence_vma ....... ..... ..... ... ..... ....... %rs2 %rs1 @sfence_vm ....... ..... ..... ... ..... ....... %rs1 +@k_aes .. ..... ..... ..... ... ..... ....... &k_aes shamt=%imm_bs %rs2 %rs1 %rd + # Formats 64: @sh5 ....... ..... ..... ... ..... ....... &shift shamt=%sh5 %rs1 %rd @@ -834,3 +838,10 @@ sfence_w_inval 0001100 00000 00000 000 00000 1110011 sfence_inval_ir 0001100 00001 00000 000 00000 1110011 hinval_vvma 0010011 ..... ..... 000 00000 1110011 @hfence_vvma hinval_gvma 0110011 ..... ..... 000 00000 1110011 @hfence_gvma + +# *** RV32 Zknd Standard Extension *** +aes32dsmi .. 10111 ..... ..... 000 ..... 0110011 @k_aes +aes32dsi .. 10101 ..... ..... 000 ..... 0110011 @k_aes +# *** RV32 Zkne Standard Extension *** +aes32esmi .. 10011 ..... ..... 000 ..... 0110011 @k_aes +aes32esi .. 10001 ..... ..... 000 ..... 0110011 @k_aes diff --git a/target/riscv/insn_trans/trans_rvk.c.inc b/target/riscv/insn_trans/trans_rvk.c.inc new file mode 100644 index 0000000000..8d0b42106f --- /dev/null +++ b/target/riscv/insn_trans/trans_rvk.c.inc @@ -0,0 +1,71 @@ +/* + * RISC-V translation routines for the Zk[nd,ne,nh,sed,sh] Standard Extension. + * + * Copyright (c) 2021 Ruibo Lu, luruibo2000@163.com + * Copyright (c) 2021 Zewen Ye, lustrew@foxmail.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#define REQUIRE_ZKND(ctx) do { \ + if (!ctx->cfg_ptr->ext_zknd) { \ + return false; \ + } \ +} while (0) + +#define REQUIRE_ZKNE(ctx) do { \ + if (!ctx->cfg_ptr->ext_zkne) { \ + return false; \ + } \ +} while (0) + +static bool gen_aes32_sm4(DisasContext *ctx, arg_k_aes *a, + void (*func)(TCGv, TCGv, TCGv, TCGv)) +{ + TCGv shamt = tcg_constant_tl(a->shamt); + 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); + + func(dest, src1, src2, shamt); + gen_set_gpr(ctx, a->rd, dest); + return true; +} + +static bool trans_aes32esmi(DisasContext *ctx, arg_aes32esmi *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZKNE(ctx); + return gen_aes32_sm4(ctx, a, gen_helper_aes32esmi); +} + +static bool trans_aes32esi(DisasContext *ctx, arg_aes32esi *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZKNE(ctx); + return gen_aes32_sm4(ctx, a, gen_helper_aes32esi); +} + +static bool trans_aes32dsmi(DisasContext *ctx, arg_aes32dsmi *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZKND(ctx); + return gen_aes32_sm4(ctx, a, gen_helper_aes32dsmi); +} + +static bool trans_aes32dsi(DisasContext *ctx, arg_aes32dsi *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZKND(ctx); + return gen_aes32_sm4(ctx, a, gen_helper_aes32dsi); +} diff --git a/target/riscv/meson.build b/target/riscv/meson.build index 2c20f3dd8e..096249f3a3 100644 --- a/target/riscv/meson.build +++ b/target/riscv/meson.build @@ -19,7 +19,8 @@ riscv_ss.add(files( 'vector_helper.c', 'bitmanip_helper.c', 'translate.c', - 'm128_helper.c' + 'm128_helper.c', + 'crypto_helper.c' )) riscv_ss.add(when: 'CONFIG_KVM', if_true: files('kvm.c'), if_false: files('kvm-stub.c')) diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 121ead7cfe..0cd1d9ee94 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1007,6 +1007,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) #include "insn_trans/trans_rvv.c.inc" #include "insn_trans/trans_rvb.c.inc" #include "insn_trans/trans_rvzfh.c.inc" +#include "insn_trans/trans_rvk.c.inc" #include "insn_trans/trans_privileged.c.inc" #include "insn_trans/trans_svinval.c.inc" #include "insn_trans/trans_xventanacondops.c.inc"