[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v3 12/28] target/arm: Implement the GMI instruction
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v3 12/28] target/arm: Implement the GMI instruction |
Date: |
Mon, 11 Feb 2019 15:52:42 -0800 |
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
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 6ad23bf9ee..3b78e19279 100644
--- a/target/arm/helper-a64.h
+++ b/target/arm/helper-a64.h
@@ -108,3 +108,4 @@ DEF_HELPER_FLAGS_3(mte_check2, 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 7aca5b074f..e60c6f48eb 100644
--- a/target/arm/mte_helper.c
+++ b/target/arm/mte_helper.c
@@ -220,3 +220,9 @@ 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 8e322bd6a0..791bcc3b66 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -5165,6 +5165,12 @@ 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;
--
2.17.2
- [Qemu-devel] [PATCH v3 00/28] target/arm: Implement ARMv8.5-MemTag, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 01/28] target/arm: Split out arm_sctlr, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 02/28] target/arm: Split helper_msr_i_pstate into 3, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 03/28] target/arm: Add clear_pstate_bits, share gen_ss_advance, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 04/28] target/arm: Add MTE_ACTIVE to tb_flags, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 05/28] target/arm: Extract TCMA with ARMVAParameters, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 18/28] target/arm: Implement the access tag cache flushes, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 19/28] target/arm: Clean address for DC ZVA, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 07/28] target/arm: Assert no manual change to CACHED_PSTATE_BITS, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 12/28] target/arm: Implement the GMI instruction,
Richard Henderson <=
- [Qemu-devel] [PATCH v3 15/28] target/arm: Implement LDG, STG, ST2G instructions, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 06/28] target/arm: Add MTE system registers, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 16/28] target/arm: Implement the STGP instruction, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 17/28] target/arm: Implement the LDGM and STGM instructions, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 09/28] target/arm: Suppress tag check for sp+offset, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 23/28] target/arm: Cache the Tagged bit for a page in MemTxAttrs, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 10/28] target/arm: Implement the IRG instruction, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 20/28] target/arm: Implement data cache set allocation tags, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 08/28] target/arm: Add helper_mte_check{1, 2}, Richard Henderson, 2019/02/11
- [Qemu-devel] [PATCH v3 13/28] target/arm: Implement the SUBP instruction, Richard Henderson, 2019/02/11