qemu/target-arm-Add-isar_feature-tests-for-PAN-ATS1E1.patch
Peng Liang 0c39e725b0 target/arm: backport upstream patches to support CPU feature
To support CPU feature in AArch64, we need to move some field from
ARMCPU to ARMISARegisters, add more definitions of ID fields, and add
suport query-cpu-model-expansion qmp command.  Let's backport upstream
patches to do these.

Signed-off-by: Peng Liang <liangpeng10@huawei.com>
2020-08-19 12:36:09 +08:00

78 lines
2.4 KiB
Diff

From 6f18e959eabf9c752659eb3851f193bf343346c5 Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Sat, 8 Feb 2020 12:57:59 +0000
Subject: [PATCH 01/13] target/arm: Add isar_feature tests for PAN + ATS1E1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Include definitions for all of the bits in ID_MMFR3.
We already have a definition for ID_AA64MMFR1.PAN.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 86eb79cd..fe310828 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1680,6 +1680,15 @@ FIELD(ID_ISAR6, FHM, 8, 4)
FIELD(ID_ISAR6, SB, 12, 4)
FIELD(ID_ISAR6, SPECRES, 16, 4)
+FIELD(ID_MMFR3, CMAINTVA, 0, 4)
+FIELD(ID_MMFR3, CMAINTSW, 4, 4)
+FIELD(ID_MMFR3, BPMAINT, 8, 4)
+FIELD(ID_MMFR3, MAINTBCST, 12, 4)
+FIELD(ID_MMFR3, PAN, 16, 4)
+FIELD(ID_MMFR3, COHWALK, 20, 4)
+FIELD(ID_MMFR3, CMEMSZ, 24, 4)
+FIELD(ID_MMFR3, SUPERSEC, 28, 4)
+
FIELD(ID_MMFR4, SPECSEI, 0, 4)
FIELD(ID_MMFR4, AC2, 4, 4)
FIELD(ID_MMFR4, XNX, 8, 4)
@@ -3445,6 +3454,16 @@ static inline bool isar_feature_aa32_vminmaxnm(const ARMISARegisters *id)
return FIELD_EX64(id->mvfr2, MVFR2, FPMISC) >= 4;
}
+static inline bool isar_feature_aa32_pan(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->mvfr0, ID_MMFR3, PAN) != 0;
+}
+
+static inline bool isar_feature_aa32_ats1e1(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->mvfr0, ID_MMFR3, PAN) >= 2;
+}
+
/*
* 64-bit feature tests via id registers.
*/
@@ -3589,6 +3608,16 @@ static inline bool isar_feature_aa64_lor(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, LO) != 0;
}
+static inline bool isar_feature_aa64_pan(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) != 0;
+}
+
+static inline bool isar_feature_aa64_ats1e1(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) >= 2;
+}
+
static inline bool isar_feature_aa64_bti(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, BT) != 0;
--
2.25.1