public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
From: "Dhaval Sharma" <dhaval@rivosinc.com>
To: devel@edk2.groups.io
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Jiewen Yao <jiewen.yao@intel.com>,
	Jordan Justen <jordan.l.justen@intel.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	Sunil V L <sunilvl@ventanamicro.com>,
	Andrei Warkentin <andrei.warkentin@intel.com>,
	Laszlo Ersek <lersek@redhat.com>
Subject: [edk2-devel] [PATCH v9 5/5] OvmfPkg/RiscVVirt: Override for RV CPU Features
Date: Mon,  4 Dec 2023 13:59:50 +0530	[thread overview]
Message-ID: <20231204082950.96914-6-dhaval@rivosinc.com> (raw)
In-Reply-To: <20231204082950.96914-1-dhaval@rivosinc.com>

This PCD provides a way for platform to override any
HW features that are default enabled by previous stages
of FW (like OpenSBI). For the case where previous/prev
stage has disabled the feature, this override is not
useful and its usage should be avoided.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Sunil V L <sunilvl@ventanamicro.com>
Cc: Andrei Warkentin <andrei.warkentin@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>

Signed-off-by: Dhaval Sharma <dhaval@rivosinc.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andrei Warkentin <andrei.warkentin@...>
---

Notes:
    V8:
    - Added RV tag
    V7:
    - Added RB tag
    v6:
    - Modify PCD name according to changes made in Baselib implementation
    V5:
    - Introduce PCD for platform

 OvmfPkg/RiscVVirt/RiscVVirt.dsc.inc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/OvmfPkg/RiscVVirt/RiscVVirt.dsc.inc b/OvmfPkg/RiscVVirt/RiscVVirt.dsc.inc
index fe320525153f..5d66f7fe6ae6 100644
--- a/OvmfPkg/RiscVVirt/RiscVVirt.dsc.inc
+++ b/OvmfPkg/RiscVVirt/RiscVVirt.dsc.inc
@@ -203,6 +203,7 @@ [PcdsFeatureFlag]
   gEfiMdeModulePkgTokenSpaceGuid.PcdInstallAcpiSdtProtocol|TRUE
 
 [PcdsFixedAtBuild.common]
+  gEfiMdePkgTokenSpaceGuid.PcdRiscVFeatureOverride|0
   gEfiMdePkgTokenSpaceGuid.PcdMaximumUnicodeStringLength|1000000
   gEfiMdePkgTokenSpaceGuid.PcdMaximumAsciiStringLength|1000000
   gEfiMdePkgTokenSpaceGuid.PcdMaximumLinkedListLength|0
-- 
2.39.2



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#112023): https://edk2.groups.io/g/devel/message/112023
Mute This Topic: https://groups.io/mt/102967059/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-



  parent reply	other threads:[~2023-12-04  8:31 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-04  8:29 [edk2-devel] [PATCH v9 0/5] Cache Management Operations Support For RISC-V Dhaval Sharma
2023-12-04  8:29 ` [edk2-devel] [PATCH v9 1/5] MdePkg: Move RISC-V Cache Management Declarations Into BaseLib Dhaval Sharma
2023-12-04  8:29 ` [edk2-devel] [PATCH v9 2/5] MdePkg: Rename Cache Management Function To Clarify Fence Based Op Dhaval Sharma
2023-12-04  8:29 ` [edk2-devel] [PATCH v9 3/5] MdePkg: Implement RISC-V Cache Management Operations Dhaval Sharma
2023-12-04  8:29 ` [edk2-devel] [PATCH v9 4/5] MdePkg: Utilize Cache Management Operations Implementation For RISC-V Dhaval Sharma
2023-12-06 14:20   ` Sunil V L
2023-12-07  5:01     ` Dhaval Sharma
2023-12-08  4:28       ` Sunil V L
2023-12-10 14:21         ` Dhaval Sharma
2023-12-11 13:11           ` Sunil V L
2023-12-11 15:09             ` Pedro Falcato
2023-12-11 15:20               ` Sunil V L
2023-12-11 15:41                 ` Pedro Falcato
2023-12-11 15:54   ` Pedro Falcato
2023-12-04  8:29 ` Dhaval Sharma [this message]
2023-12-06 14:29   ` [edk2-devel] [PATCH v9 5/5] OvmfPkg/RiscVVirt: Override for RV CPU Features Sunil V L

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-list from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20231204082950.96914-6-dhaval@rivosinc.com \
    --to=devel@edk2.groups.io \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox