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57 lines
2.3 KiB
57 lines
2.3 KiB
9 months ago
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From 74d2d4b58efe72b931bd2979254cb0fa02a38276 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Tue, 16 Jan 2024 18:11:00 +0100
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Subject: [PATCH 1/6] OvmfPkg/VirtNorFlashDxe: add casts to UINTN and UINT32
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Gerd Hoffmann <None>
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RH-MergeRequest: 52: OvmfPkg/VirtNorFlashDxe: backport more fixes.
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RH-Jira: RHEL-20963
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Commit: [1/6] ad54e96a5f20907ac591fcfcc0961d353953c4f1 (kraxel.rh/centos-src-edk2)
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This is needed to avoid bit operations being applied to signed integers.
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Suggested-by: László Érsek <lersek@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Message-Id: <20240116171105.37831-2-kraxel@redhat.com>
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(cherry picked from commit 0395045ae307c43a41f72ca9a8bf4eb8f16b2fe0)
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---
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OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c | 2 +-
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OvmfPkg/VirtNorFlashDxe/VirtNorFlash.h | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c b/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c
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index 1afd60ce66..7f4743b003 100644
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--- a/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c
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+++ b/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c
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@@ -581,7 +581,7 @@ NorFlashWriteSingleBlock (
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// contents, while checking whether the old version had any bits cleared
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// that we want to set. In that case, we will need to erase the block first.
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for (CurOffset = 0; CurOffset < *NumBytes; CurOffset++) {
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- if (~OrigData[CurOffset] & Buffer[CurOffset]) {
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+ if (~(UINT32)OrigData[CurOffset] & (UINT32)Buffer[CurOffset]) {
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goto DoErase;
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}
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diff --git a/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.h b/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.h
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index b7f5d208b2..455eafacc2 100644
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--- a/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.h
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+++ b/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.h
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@@ -61,7 +61,7 @@
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#define P30_MAX_BUFFER_SIZE_IN_BYTES ((UINTN)128)
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#define P30_MAX_BUFFER_SIZE_IN_WORDS (P30_MAX_BUFFER_SIZE_IN_BYTES/((UINTN)4))
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#define MAX_BUFFERED_PROG_ITERATIONS 10000000
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-#define BOUNDARY_OF_32_WORDS 0x7F
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+#define BOUNDARY_OF_32_WORDS ((UINTN)0x7F)
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// CFI Addresses
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#define P30_CFI_ADDR_QUERY_UNIQUE_QRY 0x10
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--
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2.39.3
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