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[Qemu-devel] [PULL v2 06/11] target/mips: Guard check_insn with INSN_R59
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PULL v2 06/11] target/mips: Guard check_insn with INSN_R5900 check |
Date: |
Sat, 17 Nov 2018 19:38:23 +0100 |
From: Fredrik Noring <address@hidden>
Explicitely mark handling of PREF instruction for R5900 as
treating the same as NOP.
Reviewed-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Fredrik Noring <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
---
target/mips/translate.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index c79da3c..714f2e6 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -28357,9 +28357,12 @@ static void decode_opc(CPUMIPSState *env, DisasContext
*ctx)
break;
case OPC_PREF:
check_insn_opc_removed(ctx, ISA_MIPS32R6);
- check_insn(ctx, ISA_MIPS4 | ISA_MIPS32 |
- INSN_R5900);
- /* Treat as NOP. */
+ if (ctx->insn_flags & INSN_R5900) {
+ /* Treat as NOP. */
+ } else {
+ check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
+ /* Treat as NOP. */
+ }
break;
/* Floating point (COP1). */
--
2.7.4
- [Qemu-devel] [PULL v2 00/11] MIPS queue for November 2018 (for QEMU 3.1-rc2) - v2, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 05/11] target/mips: Guard check_insn_opc_user_only with INSN_R5900 check, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 04/11] target/mips: Fix decoding mechanism of special R5900 opcodes, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 02/11] target/mips: Fix decoding mechanism of R5900 MFLO1, MFHI1, MTLO1 and MTHI1, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 06/11] target/mips: Guard check_insn with INSN_R5900 check,
Aleksandar Markovic <=
- [Qemu-devel] [PULL v2 10/11] target/mips: Disable R5900 support, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 07/11] target/mips: Rename MMI-related masks, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 09/11] target/mips: Rename MMI-related functions, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 01/11] linux-user: Update MIPS specific prctl() implementation, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 03/11] target/mips: Fix decoding mechanism of R5900 DIV1 and DIVU1, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 08/11] target/mips: Rename MMI-related opcodes, Aleksandar Markovic, 2018/11/17
- [Qemu-devel] [PULL v2 11/11] MAINTAINERS: Add Stefan Markovic as a MIPS reviewer, Aleksandar Markovic, 2018/11/17
- Re: [Qemu-devel] [PULL v2 00/11] MIPS queue for November 2018 (for QEMU 3.1-rc2) - v2, Peter Maydell, 2018/11/19