From ed1a2d42d5d54b6096b6e5121b0e5b7410b24108 Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Tue, 21 Feb 2017 14:43:00 +0100 Subject: OvmfPkg/QemuFwCfg: introduce FW_CFG_IO_DMA_ADDRESS, adapt the package Introduce the FW_CFG_IO_DMA_ADDRESS macro for IO Ports 0x514 and 0x518 (most significant and least significant halves of the DMA Address Register, respectively), and update all references in OvmfPkg. Cc: Jordan Justen Suggested-by: Jordan Justen Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek Reviewed-by: Jordan Justen --- OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'OvmfPkg/Library') diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c index d79d0a444c..3dd55ba504 100644 --- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c +++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c @@ -94,8 +94,8 @@ InternalQemuFwCfgDmaBytes ( // AccessHigh = (UINT32)RShiftU64 ((UINTN)&Access, 32); AccessLow = (UINT32)(UINTN)&Access; - IoWrite32 (0x514, SwapBytes32 (AccessHigh)); - IoWrite32 (0x518, SwapBytes32 (AccessLow)); + IoWrite32 (FW_CFG_IO_DMA_ADDRESS, SwapBytes32 (AccessHigh)); + IoWrite32 (FW_CFG_IO_DMA_ADDRESS + 4, SwapBytes32 (AccessLow)); // // Don't look at Access.Control before starting the transfer. -- cgit v1.2.3