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| author | Gerd Hoffmann <kraxel@redhat.com> | 2024-01-16 18:11:02 +0100 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-01-18 19:25:14 +0000 |
| commit | 28ffd726894f11a587a6ac7f71a4c4af341e24d2 (patch) | |
| tree | 4577a144c887c4bb0ddfa9229f58b1ccd2bcf574 | |
| parent | 35d8ea8097794b522149688b5cfaf8364bc44d54 (diff) | |
| download | edk2-28ffd726894f11a587a6ac7f71a4c4af341e24d2.zip edk2-28ffd726894f11a587a6ac7f71a4c4af341e24d2.tar.gz edk2-28ffd726894f11a587a6ac7f71a4c4af341e24d2.tar.bz2 | |
OvmfPkg/VirtNorFlashDxe: add a loop for NorFlashWriteBuffer calls.
Replace the two NorFlashWriteBuffer() calls with a loop containing a
single NorFlashWriteBuffer() call.
With the changes in place the code is able to handle updates larger
than two P30_MAX_BUFFER_SIZE_IN_BYTES blocks, even though the patch
does not actually change the size limit.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20240116171105.37831-4-kraxel@redhat.com>
| -rw-r--r-- | OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c b/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c index 88a4d2c..3d1343b 100644 --- a/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c +++ b/OvmfPkg/VirtNorFlashDxe/VirtNorFlash.c @@ -521,6 +521,7 @@ NorFlashWriteSingleBlock ( UINTN BlockAddress;
UINT8 *OrigData;
UINTN Start, End;
+ UINT32 Index, Count;
DEBUG ((DEBUG_BLKIO, "NorFlashWriteSingleBlock(Parameters: Lba=%ld, Offset=0x%x, *NumBytes=0x%x, Buffer @ 0x%08x)\n", Lba, Offset, *NumBytes, Buffer));
@@ -621,23 +622,17 @@ NorFlashWriteSingleBlock ( goto Exit;
}
- Status = NorFlashWriteBuffer (
- Instance,
- BlockAddress + Start,
- P30_MAX_BUFFER_SIZE_IN_BYTES,
- Instance->ShadowBuffer
- );
- if (EFI_ERROR (Status)) {
- goto Exit;
- }
-
- if ((End - Start) > P30_MAX_BUFFER_SIZE_IN_BYTES) {
+ Count = (End - Start) / P30_MAX_BUFFER_SIZE_IN_BYTES;
+ for (Index = 0; Index < Count; Index++) {
Status = NorFlashWriteBuffer (
Instance,
- BlockAddress + Start + P30_MAX_BUFFER_SIZE_IN_BYTES,
+ BlockAddress + Start + Index * P30_MAX_BUFFER_SIZE_IN_BYTES,
P30_MAX_BUFFER_SIZE_IN_BYTES,
- Instance->ShadowBuffer + P30_MAX_BUFFER_SIZE_IN_BYTES
+ Instance->ShadowBuffer + Index * P30_MAX_BUFFER_SIZE_IN_BYTES
);
+ if (EFI_ERROR (Status)) {
+ goto Exit;
+ }
}
Exit:
|