On Mon, 29 Apr 2024 at 03:17, Chao Li <lic...@loongson.cn> wrote:
>
> Hi Ard and Gerd and other maintainers,
>
> Could you review this version and give your suggestions?
>
This looks ok to me now, modulo a few minor tweaks (see below) that I
will apply when merging.
I also changed the type signatures to
extern
VOID
(EFIAPI *InternalQemuFwCfgReadBytes) (
IN UINTN Size,
IN VOID *Buffer OPTIONAL
);
Note that the EFIAPI applies to the function itself, not the pointer
so it needs to be inside the ()
--- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgMmioPei.c
+++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgMmioPei.c
@@ -104,7 +104,6 @@ QemuFwCfgInitialize (
UINT64 FwCfgDmaAddress;
UINT64 FwCfgDmaSize;
QEMU_FW_CFG_RESOURCE *FwCfgResource;
- VOID *Buffer;
//
// Check whether the Qemu firmware configure resources HOB has been created,
@@ -125,11 +124,8 @@ QemuFwCfgInitialize (
//
// Create resouce memory
//
- Buffer = AllocatePages(EFI_SIZE_TO_PAGES (sizeof (QEMU_FW_CFG_RESOURCE)));
- ASSERT (Buffer != NULL);
- ZeroMem (Buffer, sizeof (QEMU_FW_CFG_RESOURCE));
-
- FwCfgResource = (QEMU_FW_CFG_RESOURCE *)Buffer;
+ FwCfgResource = AllocateZeroPool (sizeof (QEMU_FW_CFG_RESOURCE));
+ ASSERT (FwCfgResource != NULL);
for (Prev = 0; ; Prev = Node) {
Node = fdt_next_node (DeviceTreeBase, Prev, NULL);
@@ -141,7 +137,7 @@ QemuFwCfgInitialize (
// Check for memory node
//
Type = fdt_getprop (DeviceTreeBase, Node, "compatible", &Len);
- if ((Type) &&
+ if ((Type != NULL) &&
(AsciiStrnCmp (Type, "qemu,fw-cfg-mmio", Len) == 0))
{
//
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