From: Lawrence Hunter <lawrence.hunter@codethink.co.uk>
To: qemu-devel@nongnu.org
Cc: dickon.hood@codethink.co.uk, nazar.kazakov@codethink.co.uk,
kiran.ostrolenk@codethink.co.uk, frank.chang@sifive.com,
palmer@dabbelt.com, alistair.francis@wdc.com,
bin.meng@windriver.com, pbonzini@redhat.com,
philipp.tomsich@vrull.eu, kvm@vger.kernel.org
Subject: [PATCH 26/45] target/riscv: Add vaeskf1.vi decoding, translation and execution support
Date: Fri, 10 Mar 2023 16:03:27 +0000 [thread overview]
Message-ID: <20230310160346.1193597-27-lawrence.hunter@codethink.co.uk> (raw)
In-Reply-To: <20230310160346.1193597-1-lawrence.hunter@codethink.co.uk>
From: Nazar Kazakov <nazar.kazakov@codethink.co.uk>
Signed-off-by: Nazar Kazakov <nazar.kazakov@codethink.co.uk>
---
target/riscv/helper.h | 1 +
target/riscv/insn32.decode | 1 +
target/riscv/insn_trans/trans_rvzvkned.c.inc | 58 ++++++++++++++++++++
target/riscv/vcrypto_helper.c | 44 +++++++++++++++
4 files changed, 104 insertions(+)
diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 946ae8c51d..e68ced7796 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1197,3 +1197,4 @@ 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)
+DEF_HELPER_5(vaeskf1_vi, void, ptr, ptr, i32, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 3187c5cc64..0b3146c4f4 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -937,3 +937,4 @@ 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
+vaeskf1_vi 100010 1 ..... ..... 010 ..... 1110111 @r_vm_1
diff --git a/target/riscv/insn_trans/trans_rvzvkned.c.inc b/target/riscv/insn_trans/trans_rvzvkned.c.inc
index 028f04a4d7..c97780f468 100644
--- a/target/riscv/insn_trans/trans_rvzvkned.c.inc
+++ b/target/riscv/insn_trans/trans_rvzvkned.c.inc
@@ -97,3 +97,61 @@ 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)
+
+#define GEN_VI_UNMASKED_TRANS(NAME, CHECK, VL_MULTIPLE) \
+static bool trans_##NAME(DisasContext *s, arg_##NAME * a) \
+{ \
+ if (CHECK(s, a)) { \
+ TCGv_ptr rd_v, rs2_v; \
+ TCGv_i32 uimm_v, desc; \
+ uint32_t data = 0; \
+ TCGLabel *over = gen_new_label(); \
+ TCGLabel *vl_ok = gen_new_label(); \
+ TCGv_i32 tmp = tcg_temp_new_i32(); \
+ \
+ /* save opcode for unwinding in case we throw an exception */ \
+ decode_save_opc(s); \
+ \
+ /* check (vl % VL_MULTIPLE == 0) assuming it's power of 2 */ \
+ tcg_gen_trunc_tl_i32(tmp, cpu_vl); \
+ tcg_gen_andi_i32(tmp, tmp, VL_MULTIPLE - 1); \
+ tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, vl_ok); \
+ gen_helper_restore_cpu_and_raise_exception(cpu_env, \
+ tcg_constant_i32(RISCV_EXCP_ILLEGAL_INST)); \
+ gen_set_label(vl_ok); \
+ \
+ tcg_gen_brcond_tl(TCG_COND_GEU, cpu_vstart, cpu_vl, over); \
+ data = FIELD_DP32(data, VDATA, VM, a->vm); \
+ data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \
+ data = FIELD_DP32(data, VDATA, VTA, s->vta); \
+ data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s); \
+ data = FIELD_DP32(data, VDATA, VMA, s->vma); \
+ \
+ rd_v = tcg_temp_new_ptr(); \
+ rs2_v = tcg_temp_new_ptr(); \
+ uimm_v = tcg_constant_i32(a->rs1); \
+ desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlen / 8, \
+ s->cfg_ptr->vlen / 8, data)); \
+ tcg_gen_addi_ptr(rd_v, cpu_env, vreg_ofs(s, a->rd)); \
+ tcg_gen_addi_ptr(rs2_v, cpu_env, vreg_ofs(s, a->rs2)); \
+ gen_helper_##NAME(rd_v, rs2_v, uimm_v, cpu_env, desc); \
+ mark_vs_dirty(s); \
+ gen_set_label(over); \
+ return true; \
+ } \
+ return false; \
+}
+
+static bool vaeskf1_check(DisasContext *s, arg_vaeskf1_vi * a)
+{
+ return s->cfg_ptr->ext_zvkned == true &&
+ require_rvv(s) &&
+ vext_check_isa_ill(s) &&
+ MAXSZ(s) >= (128 / 8) && /* EGW in bytes */
+ s->vstart % 4 == 0 &&
+ s->sew == MO_32 &&
+ require_align(a->rd, s->lmul) &&
+ require_align(a->rs2, s->lmul);
+}
+
+GEN_VI_UNMASKED_TRANS(vaeskf1_vi, vaeskf1_check, 4)
diff --git a/target/riscv/vcrypto_helper.c b/target/riscv/vcrypto_helper.c
index 600069adb1..619e7df0fc 100644
--- a/target/riscv/vcrypto_helper.c
+++ b/target/riscv/vcrypto_helper.c
@@ -349,3 +349,47 @@ GEN_ZVKNED_HELPER_VS(vaesdm_vs, aes_inv_shift_bytes(round_state);
aes_inv_mix_cols(round_state);)
GEN_ZVKNED_HELPER_VS(vaesz_vs,
xor_round_key(round_state, (uint8_t *)round_key);)
+
+void HELPER(vaeskf1_vi)(void *vd_vptr, void *vs2_vptr, uint32_t uimm,
+ CPURISCVState *env, uint32_t desc)
+{
+ uint32_t *vd = vd_vptr;
+ uint32_t *vs2 = vs2_vptr;
+ uint32_t vl = env->vl;
+ uint32_t total_elems = vext_get_total_elems(env, desc, 4);
+ uint32_t vta = vext_vta(desc);
+
+ uimm &= 0b1111;
+ if (uimm > 10 || uimm == 0) {
+ uimm ^= 0b1000;
+ }
+
+ for (uint32_t i = env->vstart / 4; i < env->vl / 4; i++) {
+ uint32_t rk[8];
+ static const uint32_t rcon[] = {
+ 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
+ 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000,
+ };
+
+ rk[0] = bswap32(vs2[i * 4 + H4(0)]);
+ rk[1] = bswap32(vs2[i * 4 + H4(1)]);
+ rk[2] = bswap32(vs2[i * 4 + H4(2)]);
+ rk[3] = bswap32(vs2[i * 4 + H4(3)]);
+
+ rk[4] = rk[0] ^ (AES_Te4[(rk[3] >> 16) & 0xff] & 0xff000000) ^
+ (AES_Te4[(rk[3] >> 8) & 0xff] & 0x00ff0000) ^
+ (AES_Te4[(rk[3] >> 0) & 0xff] & 0x0000ff00) ^
+ (AES_Te4[(rk[3] >> 24) & 0xff] & 0x000000ff) ^ rcon[uimm - 1];
+ rk[5] = rk[1] ^ rk[4];
+ rk[6] = rk[2] ^ rk[5];
+ rk[7] = rk[3] ^ rk[6];
+
+ vd[i * 4 + H4(0)] = bswap32(rk[4]);
+ vd[i * 4 + H4(1)] = bswap32(rk[5]);
+ vd[i * 4 + H4(2)] = bswap32(rk[6]);
+ vd[i * 4 + H4(3)] = bswap32(rk[7]);
+ }
+ env->vstart = 0;
+ /* set tail elements to 1s */
+ vext_set_elems_1s(vd, vta, vl * 4, total_elems * 4);
+}
--
2.39.2
next prev parent reply other threads:[~2023-03-10 16:07 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-10 16:03 [PATCH 00/45] Add RISC-V vector cryptographic instruction set support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 01/45] target/riscv: Add zvkb cpu property Lawrence Hunter
2023-03-10 16:03 ` [PATCH 02/45] target/riscv: Refactor some of the generic vector functionality Lawrence Hunter
2023-03-21 12:02 ` Christoph Müllner
2023-03-23 11:34 ` Lawrence Hunter
2023-03-10 16:03 ` [PATCH 03/45] target/riscv: Add vclmul.vv decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 04/45] target/riscv: Refactor some of the generic vector functionality Lawrence Hunter
2023-03-10 16:03 ` [PATCH 05/45] target/riscv: Add vclmul.vx decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 06/45] target/riscv: Add vclmulh.vv " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 07/45] target/riscv: Add vclmulh.vx " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 08/45] target/riscv: Refactor some of the generic vector functionality Lawrence Hunter
2023-03-10 16:03 ` [PATCH 09/45] qemu/bitops.h: Limit rotate amounts Lawrence Hunter
2023-03-10 16:03 ` [PATCH 10/45] target/riscv: Add vrol.[vv,vx] and vror.[vv,vx,vi] decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 11/45] target/riscv: Refactor some of the generic vector functionality Lawrence Hunter
2023-03-10 16:03 ` [PATCH 12/45] target/riscv: Add vbrev8.v decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 13/45] target/riscv: Add vrev8.v " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 14/45] target/riscv: Add vandn.[vv,vx] " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 15/45] target/riscv: Expose zvkb cpu property Lawrence Hunter
2023-03-10 16:03 ` [PATCH 16/45] target/riscv: Add zvkned " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 17/45] target/riscv: Add vaesef.vv decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 18/45] target/riscv: Add vaesef.vs " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 19/45] target/riscv: Add vaesdf.vv " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 20/45] target/riscv: Add vaesdf.vs " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 21/45] target/riscv: Add vaesdm.vv " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 22/45] target/riscv: Add vaesdm.vs " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 23/45] target/riscv: Add vaesz.vs " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 24/45] target/riscv: Add vaesem.vv " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 25/45] target/riscv: Add vaesem.vs " Lawrence Hunter
2023-03-10 16:03 ` Lawrence Hunter [this message]
2023-03-10 16:03 ` [PATCH 27/45] target/riscv: Add vaeskf2.vi " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 28/45] target/riscv: Expose zvkned cpu property Lawrence Hunter
2023-03-10 16:03 ` [PATCH 29/45] target/riscv: Add zvknh cpu properties Lawrence Hunter
2023-03-10 16:03 ` [PATCH 30/45] target/riscv: Add vsha2ms.vv decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 31/45] target/riscv: Add vsha2c[hl].vv " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 32/45] target/riscv: Expose zvknh cpu properties Lawrence Hunter
2023-03-10 16:03 ` [PATCH 33/45] target/riscv: Add zvksh cpu property Lawrence Hunter
2023-03-10 16:03 ` [PATCH 34/45] target/riscv: Add vsm3me.vv decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 35/45] target/riscv: Add vsm3c.vi " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 36/45] target/riscv: Expose zvksh cpu property Lawrence Hunter
2023-03-10 16:03 ` [PATCH 37/45] target/riscv: Add zvkg " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 38/45] target/riscv: Add vgmul.vv decoding, translation and execution support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 39/45] target/riscv: Add vghsh.vv " Lawrence Hunter
2023-03-10 16:03 ` [PATCH 40/45] target/riscv: Expose zvkg cpu property Lawrence Hunter
2023-03-10 16:03 ` [PATCH 41/45] crypto: Create sm4_subword Lawrence Hunter
2023-03-10 16:03 ` [PATCH 42/45] crypto: Add SM4 constant parameter CK Lawrence Hunter
2023-03-10 16:03 ` [PATCH 43/45] target/riscv: Add zvksed cfg property Lawrence Hunter
2023-03-10 16:03 ` [PATCH 44/45] target/riscv: Add Zvksed support Lawrence Hunter
2023-03-10 16:03 ` [PATCH 45/45] target/riscv: Expose Zvksed property Lawrence Hunter
2023-03-23 12:51 ` [PATCH 00/45] Add RISC-V vector cryptographic instruction set support Daniel Henrique Barboza
-- strict thread matches above, loose matches on Subject: below --
2023-03-10 9:11 Lawrence Hunter
2023-03-10 9:11 ` [PATCH 26/45] target/riscv: Add vaeskf1.vi decoding, translation and execution support Lawrence Hunter
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