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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org
Subject: [PATCH v5 08/22] target/arm: Implement the GMI instruction
Date: Fri, 11 Oct 2019 09:47:30 -0400	[thread overview]
Message-ID: <20191011134744.2477-9-richard.henderson@linaro.org> (raw)
In-Reply-To: <20191011134744.2477-1-richard.henderson@linaro.org>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/helper-a64.h    | 1 +
 target/arm/mte_helper.c    | 6 ++++++
 target/arm/translate-a64.c | 6 ++++++
 3 files changed, 13 insertions(+)

diff --git a/target/arm/helper-a64.h b/target/arm/helper-a64.h
index 268c114b79..31f848ca03 100644
--- a/target/arm/helper-a64.h
+++ b/target/arm/helper-a64.h
@@ -109,3 +109,4 @@ DEF_HELPER_FLAGS_3(mte_check3, TCG_CALL_NO_WG, i64, env, i64, i32)
 DEF_HELPER_FLAGS_3(irg, TCG_CALL_NO_RWG, i64, env, i64, i64)
 DEF_HELPER_FLAGS_4(addg, TCG_CALL_NO_RWG_SE, i64, env, i64, i32, i32)
 DEF_HELPER_FLAGS_4(subg, TCG_CALL_NO_RWG_SE, i64, env, i64, i32, i32)
+DEF_HELPER_FLAGS_2(gmi, TCG_CALL_NO_RWG_SE, i64, i64, i64)
diff --git a/target/arm/mte_helper.c b/target/arm/mte_helper.c
index c3edc51bba..251dfff1e1 100644
--- a/target/arm/mte_helper.c
+++ b/target/arm/mte_helper.c
@@ -254,3 +254,9 @@ uint64_t HELPER(subg)(CPUARMState *env, uint64_t ptr,
 
     return address_with_allocation_tag(ptr - offset, rtag);
 }
+
+uint64_t HELPER(gmi)(uint64_t ptr, uint64_t mask)
+{
+    int tag = allocation_tag_from_addr(ptr);
+    return mask | (1ULL << tag);
+}
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 26aee0c1c9..4184d65d97 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -5188,6 +5188,12 @@ static void disas_data_proc_2src(DisasContext *s, uint32_t insn)
         gen_helper_irg(cpu_reg_sp(s, rd), cpu_env,
                        cpu_reg_sp(s, rn), cpu_reg(s, rm));
         break;
+    case 5: /* GMI */
+        if (sf == 0 || !dc_isar_feature(aa64_mte_insn_reg, s)) {
+            goto do_unallocated;
+        }
+        gen_helper_gmi(cpu_reg(s, rd), cpu_reg_sp(s, rn), cpu_reg(s, rm));
+        break;
     case 8: /* LSLV */
         handle_shift_reg(s, A64_SHIFT_TYPE_LSL, sf, rm, rn, rd);
         break;
-- 
2.17.1



  parent reply	other threads:[~2019-10-11 13:54 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-11 13:47 [PATCH v5 00/22] target/arm: Implement ARMv8.5-MemTag, system mode Richard Henderson
2019-10-11 13:47 ` [PATCH v5 01/22] target/arm: Add MTE_ACTIVE to tb_flags Richard Henderson
2019-10-11 13:47 ` [PATCH v5 02/22] target/arm: Add regime_has_2_ranges Richard Henderson
2019-12-03 11:01   ` Peter Maydell
2019-12-03 15:09     ` Richard Henderson
2019-10-11 13:47 ` [PATCH v5 03/22] target/arm: Add MTE system registers Richard Henderson
2019-12-03 11:48   ` Peter Maydell
2019-12-06 14:47     ` Richard Henderson
2019-10-11 13:47 ` [PATCH v5 04/22] target/arm: Add helper_mte_check{1,2,3} Richard Henderson
2019-12-03 13:42   ` Peter Maydell
2019-12-03 16:06     ` Richard Henderson
2019-12-03 16:26       ` Peter Maydell
2019-12-03 16:14     ` Richard Henderson
2019-10-11 13:47 ` [PATCH v5 05/22] target/arm: Suppress tag check for sp+offset Richard Henderson
2019-12-03 14:07   ` Peter Maydell
2020-02-17 21:32     ` Richard Henderson
2019-10-11 13:47 ` [PATCH v5 06/22] target/arm: Implement the IRG instruction Richard Henderson
2019-12-03 14:26   ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 07/22] target/arm: Implement ADDG, SUBG instructions Richard Henderson
2019-10-11 13:47 ` Richard Henderson [this message]
2019-10-11 13:47 ` [PATCH v5 09/22] target/arm: Implement the SUBP instruction Richard Henderson
2019-10-11 13:47 ` [PATCH v5 10/22] target/arm: Define arm_cpu_do_unaligned_access for CONFIG_USER_ONLY Richard Henderson
2019-12-05 16:12   ` Peter Maydell
2020-02-17 22:56     ` Richard Henderson
2019-10-11 13:47 ` [PATCH v5 11/22] target/arm: Implement LDG, STG, ST2G instructions Richard Henderson
2019-12-05 17:07   ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 12/22] target/arm: Implement the STGP instruction Richard Henderson
2019-12-05 17:15   ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 13/22] target/arm: Implement the LDGM and STGM instructions Richard Henderson
2019-12-05 17:42   ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 14/22] target/arm: Implement the access tag cache flushes Richard Henderson
2019-12-05 17:49   ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 15/22] target/arm: Clean address for DC ZVA Richard Henderson
2019-12-05 17:54   ` Peter Maydell
2019-12-05 18:58   ` Peter Maydell
2020-02-18  0:50     ` Richard Henderson
2020-02-18 11:10       ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 16/22] target/arm: Implement data cache set allocation tags Richard Henderson
2019-12-05 18:17   ` Peter Maydell
2020-02-18  1:19     ` Richard Henderson
2019-10-11 13:47 ` [PATCH v5 17/22] target/arm: Set PSTATE.TCO on exception entry Richard Henderson
2019-10-11 13:47 ` [PATCH v5 18/22] target/arm: Enable MTE Richard Henderson
2019-12-05 18:23   ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 19/22] target/arm: Cache the Tagged bit for a page in MemTxAttrs Richard Henderson
2019-12-05 18:32   ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 20/22] target/arm: Create tagged ram when MTE is enabled Richard Henderson
2019-12-05 18:40   ` Peter Maydell
2019-12-05 19:24     ` Richard Henderson
2019-12-06  9:51       ` Peter Maydell
2019-10-11 13:47 ` [PATCH v5 21/22] target/arm: Add mmu indexes for tag memory Richard Henderson
2019-12-06 11:46   ` Peter Maydell
2019-12-06 14:03     ` Richard Henderson
2019-10-11 13:47 ` [PATCH v5 22/22] target/arm: Add allocation tag storage for system mode Richard Henderson
2019-12-06 13:02   ` Peter Maydell
2019-12-06 14:14     ` Richard Henderson
2019-10-11 19:32 ` [PATCH v5 00/22] target/arm: Implement ARMv8.5-MemTag, " no-reply
2019-10-15 20:39 ` Evgenii Stepanov
2019-10-15 22:04   ` Richard Henderson

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