From: "Sami Mujawar" <sami.mujawar@arm.com>
To: "devel@edk2.groups.io" <devel@edk2.groups.io>,
"rebecca@nuviainc.com" <rebecca@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>,
Liming Gao <gaoliming@byosoft.com.cn>,
Zhiguang Liu <zhiguang.liu@intel.com>,
Leif Lindholm <leif@nuviainc.com>,
Ard Biesheuvel <Ard.Biesheuvel@arm.com>, nd <nd@arm.com>
Subject: Re: [edk2-devel] [PATCH v4 06/10] ArmPkg: Add helper to read CCIDX status
Date: Wed, 16 Dec 2020 11:23:55 +0000 [thread overview]
Message-ID: <DB7PR08MB30972A89046C6F6D5BF1615584C50@DB7PR08MB3097.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20201207175427.28712-7-rebecca@nuviainc.com>
Hi Rebecca,
Please add doxygen function header for ArmIsCcidxImplemented().
With that added:
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Regards,
Sami Mujawar
-----Original Message-----
From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Rebecca Cran via groups.io
Sent: 07 December 2020 05:54 PM
To: devel@edk2.groups.io
Cc: Rebecca Cran <rebecca@nuviainc.com>; Michael D Kinney <michael.d.kinney@intel.com>; Liming Gao <gaoliming@byosoft.com.cn>; Zhiguang Liu <zhiguang.liu@intel.com>; Leif Lindholm <leif@nuviainc.com>; Ard Biesheuvel <Ard.Biesheuvel@arm.com>
Subject: [edk2-devel] [PATCH v4 06/10] ArmPkg: Add helper to read CCIDX status
Add a helper function to determine CCIDX support.
Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
---
ArmPkg/Include/Library/ArmLib.h | 6 ++++++
ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c | 12 ++++++++++++
ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c | 12 ++++++++++++
3 files changed, 30 insertions(+)
diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h
index 5a27b7c2fc27..87c3a6f1ecac 100644
--- a/ArmPkg/Include/Library/ArmLib.h
+++ b/ArmPkg/Include/Library/ArmLib.h
@@ -132,6 +132,12 @@ ArmIsArchTimerImplemented (
VOID
);
+BOOLEAN
+EFIAPI
+ArmIsCcidxImplemented (
+ VOID
+ );
+
UINTN
EFIAPI
ArmReadIdPfr0 (
diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
index 3fbd591192e2..915c2cacdd99 100644
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
@@ -71,3 +71,15 @@ ArmCleanDataCache (
ArmDataSynchronizationBarrier ();
AArch64DataCacheOperation (ArmCleanDataCacheEntryBySetWay);
}
+
+BOOLEAN
+EFIAPI
+ArmIsCcidxImplemented (
+ VOID
+ )
+{
+ UINTN Mmfr2;
+
+ Mmfr2 = ArmReadIdMmfr2 ();
+ return (((Mmfr2 >> 20) & 0xF) == 1) ? TRUE : FALSE;
+}
diff --git a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
index 2c4a23e1a1b2..7331b1c678f3 100644
--- a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
+++ b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
@@ -71,3 +71,15 @@ ArmCleanDataCache (
ArmDataSynchronizationBarrier ();
ArmV7DataCacheOperation (ArmCleanDataCacheEntryBySetWay);
}
+
+BOOLEAN
+EFIAPI
+ArmIsCcidxImplemented (
+ VOID
+ )
+{
+ UINTN Mmfr4;
+
+ Mmfr4 = ArmReadIdMmfr4 ();
+ return (((Mmfr4 >> 24) & 0xF) == 1) ? TRUE : FALSE;
+}
--
2.26.2
next prev parent reply other threads:[~2020-12-16 11:24 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-07 17:54 [PATCH v4 00/10] ArmPkg,MdePkg: Add Universal/Smbios, and related changes Rebecca Cran
2020-12-07 17:54 ` [PATCH v4 01/10] ArmPkg: Add ARM SMC Architecture functions to ArmStdSmc.h Rebecca Cran
2020-12-15 18:06 ` Leif Lindholm
2020-12-16 11:23 ` [edk2-devel] " Sami Mujawar
2020-12-07 17:54 ` [PATCH v4 02/10] MdePkg: Update IndustryStandard/SmBios.h with processor status data Rebecca Cran
2020-12-08 4:50 ` 回复: " gaoliming
2020-12-07 17:54 ` [PATCH v4 03/10] ArmPkg: Add register encoding definition for MMFR2 Rebecca Cran
2020-12-15 18:42 ` Leif Lindholm
2020-12-16 11:31 ` [edk2-devel] " Sami Mujawar
2020-12-07 17:54 ` [PATCH v4 04/10] ArmPkg: Add helper to read the Memory Model Features Register 2 Rebecca Cran
2020-12-15 19:11 ` Leif Lindholm
2020-12-16 11:06 ` [edk2-devel] " Sami Mujawar
2020-12-17 13:38 ` Laszlo Ersek
2020-12-17 13:47 ` Ard Biesheuvel
2020-12-17 18:04 ` Leif Lindholm
2020-12-17 18:19 ` Rebecca Cran
2020-12-17 17:57 ` Leif Lindholm
2020-12-07 17:54 ` [PATCH v4 05/10] ArmPkg: Add helper function to read the Memory Model Feature Register 4 Rebecca Cran
2020-12-16 11:23 ` [edk2-devel] " Sami Mujawar
2020-12-07 17:54 ` [PATCH v4 06/10] ArmPkg: Add helper to read CCIDX status Rebecca Cran
2020-12-16 11:23 ` Sami Mujawar [this message]
2020-12-07 17:54 ` [PATCH v4 07/10] ArmPkg: Fix the return type of the ReadCCSIDR function Rebecca Cran
2020-12-15 19:24 ` Leif Lindholm
2020-12-16 11:31 ` [edk2-devel] " Sami Mujawar
2020-12-07 17:54 ` [PATCH v4 08/10] ArmPkg: Update ArmLibPrivate.h with cache register definitions Rebecca Cran
2020-12-15 19:27 ` Leif Lindholm
2020-12-07 17:54 ` [PATCH v4 09/10] ArmPkg: Add definition of the maximum cache level in ARMv8-A Rebecca Cran
2020-12-15 19:27 ` Leif Lindholm
2020-12-16 11:31 ` [edk2-devel] " Sami Mujawar
2020-12-07 17:54 ` [PATCH v4 10/10] ArmPkg: Add Universal/Smbios, a generic SMBIOS library for ARM Rebecca Cran
2020-12-15 19:29 ` Leif Lindholm
2020-12-15 21:14 ` Rebecca Cran
2020-12-16 15:13 ` [edk2-devel] " Sami Mujawar
2020-12-16 15:21 ` Rebecca Cran
2020-12-19 3:14 ` Rebecca Cran
[not found] ` <16513B32D4BA613C.12945@groups.io>
2020-12-29 15:10 ` Sami Mujawar
2021-01-03 23:52 ` Rebecca Cran
2021-01-04 10:21 ` Sami Mujawar
2020-12-14 15:45 ` [PATCH v4 00/10] ArmPkg,MdePkg: Add Universal/Smbios, and related changes Rebecca Cran
2020-12-15 18:36 ` Leif Lindholm
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