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81 lines
2.6 KiB
81 lines
2.6 KiB
9 months ago
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From 59fb955aa77b75345f7828bf9f83764adf4bed46 Mon Sep 17 00:00:00 2001
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From: Ard Biesheuvel <ardb@kernel.org>
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Date: Mon, 24 Oct 2022 18:35:10 +0200
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Subject: [PATCH 18/18] OvmfPkg: clone NorFlashPlatformLib into
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VirtNorFlashPlatformLib
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RH-Author: Gerd Hoffmann <None>
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RH-MergeRequest: 43: OvmfPkg/VirtNorFlashDxe backport
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RH-Jira: RHEL-17587
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Commit: [20/20] 50ea104b99a997d7d08c1fdef617df1d930ffae6
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Create a new library class in Ovmf that duplicates the existing
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NorFlashPlatformLib, but which will be tied to the VirtNorFlashDxe
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driver that will be introduced in a subsequent patch. This allows us to
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retire the original from ArmPlatformPkg.
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Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
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(cherry picked from commit 16bf588b604a9f190accb71ada715b81756c94e2)
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---
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.../Include/Library/VirtNorFlashPlatformLib.h | 30 +++++++++++++++++++
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OvmfPkg/OvmfPkg.dec | 4 +++
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2 files changed, 34 insertions(+)
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create mode 100644 OvmfPkg/Include/Library/VirtNorFlashPlatformLib.h
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diff --git a/OvmfPkg/Include/Library/VirtNorFlashPlatformLib.h b/OvmfPkg/Include/Library/VirtNorFlashPlatformLib.h
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new file mode 100644
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index 0000000000..8f5b5e972d
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--- /dev/null
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+++ b/OvmfPkg/Include/Library/VirtNorFlashPlatformLib.h
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@@ -0,0 +1,30 @@
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+/** @file
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+
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+ Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
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+
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+ SPDX-License-Identifier: BSD-2-Clause-Patent
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+
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+ **/
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+
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+#ifndef __VIRT_NOR_FLASH_PLATFORM_LIB__
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+#define __VIRT_NOR_FLASH_PLATFORM_LIB__
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+
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+typedef struct {
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+ UINTN DeviceBaseAddress; // Start address of the Device Base Address (DBA)
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+ UINTN RegionBaseAddress; // Start address of one single region
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+ UINTN Size;
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+ UINTN BlockSize;
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+} VIRT_NOR_FLASH_DESCRIPTION;
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+
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+EFI_STATUS
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+VirtNorFlashPlatformInitialization (
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+ VOID
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+ );
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+
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+EFI_STATUS
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+VirtNorFlashPlatformGetDevices (
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+ OUT VIRT_NOR_FLASH_DESCRIPTION **NorFlashDescriptions,
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+ OUT UINT32 *Count
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+ );
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+
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+#endif /* __VIRT_NOR_FLASH_PLATFORM_LIB__ */
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diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
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index 340d83f794..e65ebd81c8 100644
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--- a/OvmfPkg/OvmfPkg.dec
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+++ b/OvmfPkg/OvmfPkg.dec
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@@ -97,6 +97,10 @@
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# transports.
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VirtioMmioDeviceLib|Include/Library/VirtioMmioDeviceLib.h
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+ ## @libraryclass Provides a Nor flash interface.
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+ #
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+ VirtNorFlashPlatformLib|Include/Library/VirtNorFlashPlatformLib.h
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+
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## @libraryclass Invoke Xen hypercalls
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#
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XenHypercallLib|Include/Library/XenHypercallLib.h
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--
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2.41.0
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