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authorAbner Chang <abner.chang@hpe.com>2021-10-11 21:35:06 +0800
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2021-10-14 06:25:52 +0000
commit26aa241d2f25993d6b30a8c030938048d8dc3e02 (patch)
tree104de8ef12de6c380fe9be781c3a0a1f4960486e /OvmfPkg/Library
parentf8d0501ded2ad426cc5c6c1237ec83fc978f8373 (diff)
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edk2-26aa241d2f25993d6b30a8c030938048d8dc3e02.tar.bz2
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OvmfPkg/QemuFwCfgLibMmio: Add RISC-V arch support
Signed-off-by: Abner Chang <abner.chang@hpe.com> 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: Daniel Schaefer <daniel.schaefer@hpe.com> Cc: Sunil V L <sunilvl@ventanamicro.com> Reviewed-by: Daniel Schaefer <daniel.schaefer@hpe.com> Reviewed-by: Sunil V L <sunilvl@ventanamicro.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Jiewen Yao <jiewen.yao@intel.com>
Diffstat (limited to 'OvmfPkg/Library')
-rw-r--r--OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.c7
-rw-r--r--OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.inf2
2 files changed, 5 insertions, 4 deletions
diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.c b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.c
index e2ac4108d1..b953f2eb6c 100644
--- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.c
+++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.c
@@ -4,6 +4,7 @@
Copyright (C) 2013 - 2014, Red Hat, Inc.
Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
+ (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -239,7 +240,7 @@ MmioReadBytes (
UINT8 *Ptr;
UINT8 *End;
-#ifdef MDE_CPU_AARCH64
+#if defined(MDE_CPU_AARCH64) || defined(MDE_CPU_RISCV64)
Left = Size & 7;
#else
Left = Size & 3;
@@ -249,7 +250,7 @@ MmioReadBytes (
Ptr = Buffer;
End = Ptr + Size;
-#ifdef MDE_CPU_AARCH64
+#if defined(MDE_CPU_AARCH64) || defined(MDE_CPU_RISCV64)
while (Ptr < End) {
*(UINT64 *)Ptr = MmioRead64 (mFwCfgDataAddress);
Ptr += 8;
@@ -322,7 +323,7 @@ DmaTransferBytes (
//
// This will fire off the transfer.
//
-#ifdef MDE_CPU_AARCH64
+#if defined(MDE_CPU_AARCH64) || defined(MDE_CPU_RISCV64)
MmioWrite64 (mFwCfgDmaAddress, SwapBytes64 ((UINT64)&Access));
#else
MmioWrite32 ((UINT32)(mFwCfgDmaAddress + 4), SwapBytes32 ((UINT32)&Access));
diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.inf b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.inf
index 67531517b7..4b0dfbcb0d 100644
--- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.inf
+++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibMmio.inf
@@ -23,7 +23,7 @@
# The following information is for reference only and not required by the build
# tools.
#
-# VALID_ARCHITECTURES = ARM AARCH64
+# VALID_ARCHITECTURES = ARM AARCH64 RISCV64
#
[Sources]