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[187.189.51.143]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-71d7254473asm1822220a34.27.2024.12.01.07.06.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Dec 2024 07:06:20 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 10/67] target/arm: Convert XPAC[ID] to decodetree Date: Sun, 1 Dec 2024 09:05:09 -0600 Message-ID: <20241201150607.12812-11-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241201150607.12812-1-richard.henderson@linaro.org> References: <20241201150607.12812-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::334; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x334.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Remove disas_data_proc_1src, as these were the last insns decoded by that function. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- target/arm/tcg/translate-a64.c | 99 +++++----------------------------- target/arm/tcg/a64.decode | 3 ++ 2 files changed, 16 insertions(+), 86 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 852545dfcc..d92fe68299 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -7793,6 +7793,18 @@ TRANS_FEAT(AUTIB, aa64_pauth, gen_pacaut, a, gen_helper_autib) TRANS_FEAT(AUTDA, aa64_pauth, gen_pacaut, a, gen_helper_autda) TRANS_FEAT(AUTDB, aa64_pauth, gen_pacaut, a, gen_helper_autdb) +static bool do_xpac(DisasContext *s, int rd, NeonGenOne64OpEnvFn *fn) +{ + if (s->pauth_active) { + TCGv_i64 tcg_rd = cpu_reg(s, rd); + fn(tcg_rd, tcg_env, tcg_rd); + } + return true; +} + +TRANS_FEAT(XPACI, aa64_pauth, do_xpac, a->rd, gen_helper_xpaci) +TRANS_FEAT(XPACD, aa64_pauth, do_xpac, a->rd, gen_helper_xpacd) + /* Logical (shifted register) * 31 30 29 28 24 23 22 21 20 16 15 10 9 5 4 0 * +----+-----+-----------+-------+---+------+--------+------+------+ @@ -8377,84 +8389,6 @@ static void disas_cond_select(DisasContext *s, uint32_t insn) } } -/* Data-processing (1 source) - * 31 30 29 28 21 20 16 15 10 9 5 4 0 - * +----+---+---+-----------------+---------+--------+------+------+ - * | sf | 1 | S | 1 1 0 1 0 1 1 0 | opcode2 | opcode | Rn | Rd | - * +----+---+---+-----------------+---------+--------+------+------+ - */ -static void disas_data_proc_1src(DisasContext *s, uint32_t insn) -{ - unsigned int sf, opcode, opcode2, rn, rd; - TCGv_i64 tcg_rd; - - if (extract32(insn, 29, 1)) { - unallocated_encoding(s); - return; - } - - sf = extract32(insn, 31, 1); - opcode = extract32(insn, 10, 6); - opcode2 = extract32(insn, 16, 5); - rn = extract32(insn, 5, 5); - rd = extract32(insn, 0, 5); - -#define MAP(SF, O2, O1) ((SF) | (O1 << 1) | (O2 << 7)) - - switch (MAP(sf, opcode2, opcode)) { - case MAP(1, 0x01, 0x10): /* XPACI */ - if (!dc_isar_feature(aa64_pauth, s) || rn != 31) { - goto do_unallocated; - } else if (s->pauth_active) { - tcg_rd = cpu_reg(s, rd); - gen_helper_xpaci(tcg_rd, tcg_env, tcg_rd); - } - break; - case MAP(1, 0x01, 0x11): /* XPACD */ - if (!dc_isar_feature(aa64_pauth, s) || rn != 31) { - goto do_unallocated; - } else if (s->pauth_active) { - tcg_rd = cpu_reg(s, rd); - gen_helper_xpacd(tcg_rd, tcg_env, tcg_rd); - } - break; - default: - do_unallocated: - case MAP(0, 0x00, 0x00): /* RBIT */ - case MAP(1, 0x00, 0x00): - case MAP(0, 0x00, 0x01): /* REV16 */ - case MAP(1, 0x00, 0x01): - case MAP(0, 0x00, 0x02): /* REV/REV32 */ - case MAP(1, 0x00, 0x02): - case MAP(1, 0x00, 0x03): /* REV64 */ - case MAP(0, 0x00, 0x04): /* CLZ */ - case MAP(1, 0x00, 0x04): - case MAP(0, 0x00, 0x05): /* CLS */ - case MAP(1, 0x00, 0x05): - case MAP(1, 0x01, 0x00): /* PACIA */ - case MAP(1, 0x01, 0x01): /* PACIB */ - case MAP(1, 0x01, 0x02): /* PACDA */ - case MAP(1, 0x01, 0x03): /* PACDB */ - case MAP(1, 0x01, 0x04): /* AUTIA */ - case MAP(1, 0x01, 0x05): /* AUTIB */ - case MAP(1, 0x01, 0x06): /* AUTDA */ - case MAP(1, 0x01, 0x07): /* AUTDB */ - case MAP(1, 0x01, 0x08): /* PACIZA */ - case MAP(1, 0x01, 0x09): /* PACIZB */ - case MAP(1, 0x01, 0x0a): /* PACDZA */ - case MAP(1, 0x01, 0x0b): /* PACDZB */ - case MAP(1, 0x01, 0x0c): /* AUTIZA */ - case MAP(1, 0x01, 0x0d): /* AUTIZB */ - case MAP(1, 0x01, 0x0e): /* AUTDZA */ - case MAP(1, 0x01, 0x0f): /* AUTDZB */ - unallocated_encoding(s); - break; - } - -#undef MAP -} - - /* * Data processing - register * 31 30 29 28 25 21 20 16 10 0 @@ -8464,7 +8398,6 @@ static void disas_data_proc_1src(DisasContext *s, uint32_t insn) */ static void disas_data_proc_reg(DisasContext *s, uint32_t insn) { - int op0 = extract32(insn, 30, 1); int op1 = extract32(insn, 28, 1); int op2 = extract32(insn, 21, 4); int op3 = extract32(insn, 10, 6); @@ -8517,19 +8450,13 @@ static void disas_data_proc_reg(DisasContext *s, uint32_t insn) disas_cond_select(s, insn); break; - case 0x6: /* Data-processing */ - if (op0) { /* (1 source) */ - disas_data_proc_1src(s, insn); - } else { /* (2 source) */ - goto do_unallocated; - } - break; case 0x8 ... 0xf: /* (3 source) */ disas_data_proc_3src(s, insn); break; default: do_unallocated: + case 0x6: /* Data-processing */ unallocated_encoding(s); break; } diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 9083ac4ac3..0e04ab6ce4 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -712,6 +712,9 @@ AUTIB 1 10 11010110 00001 00.101 ..... ..... @pacaut AUTDA 1 10 11010110 00001 00.110 ..... ..... @pacaut AUTDB 1 10 11010110 00001 00.111 ..... ..... @pacaut +XPACI 1 10 11010110 00001 010000 11111 rd:5 +XPACD 1 10 11010110 00001 010001 11111 rd:5 + # Logical (shifted reg) # Add/subtract (shifted reg) # Add/subtract (extended reg)