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QemuFwCfgLib: Add QemuFwCfgWriteBytes() function

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14109 6f19259b-4bc3-4df7-8a09-765794883524
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jljusten
2013-01-28 16:54:55 +00:00
parent b5e243b75f
commit 29874a8c60
6 changed files with 153 additions and 6 deletions
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22
OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S
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@@ -1,6 +1,6 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -30,3 +30,23 @@ rep insb
popl %edi
ret
#------------------------------------------------------------------------------
# VOID
# EFIAPI
# IoWriteFifo8 (
# IN UINTN Port,
# IN UINTN Size,
# IN VOID *Buffer
# );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoWriteFifo8)
ASM_PFX(IoWriteFifo8):
movw 4(%esp), %dx
movl 8(%esp), %ecx
pushl %esi
movl 16(%esp), %esi
rep outsb
popl %esi
ret