diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-05-30 23:14:38 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-05-30 23:14:38 +0000 |
| commit | f1ec65ba24e1c7ca07c971dd737932c756f5780d (patch) | |
| tree | de5d65052aa6e16439d9bbe67170c10a3b61754e /OvmfPkg/Library/QemuFwCfgLib/Ia32 | |
| parent | d90e7d81c0e76c3169b1452904c722258555c852 (diff) | |
| download | edk2-f1ec65ba24e1c7ca07c971dd737932c756f5780d.tar.gz edk2-f1ec65ba24e1c7ca07c971dd737932c756f5780d.tar.bz2 edk2-f1ec65ba24e1c7ca07c971dd737932c756f5780d.zip | |
OvmfPkg: Add QemuFwCfgLib library class and implementation
QEMU's Firmware Configuration interface gives the firmware
access to various types of information.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13383 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/Library/QemuFwCfgLib/Ia32')
| -rw-r--r-- | OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S | 32 | ||||
| -rw-r--r-- | OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.asm | 40 |
2 files changed, 72 insertions, 0 deletions
diff --git a/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S b/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S new file mode 100644 index 0000000000..a32b2c60c4 --- /dev/null +++ b/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S @@ -0,0 +1,32 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2012, 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
+# http://opensource.org/licenses/bsd-license.php.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#------------------------------------------------------------------------------
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# IoReadFifo8 (
+# IN UINTN Port,
+# IN UINTN Size,
+# IN VOID *Buffer
+# );
+#------------------------------------------------------------------------------
+ASM_GLOBAL ASM_PFX(IoReadFifo8)
+ASM_PFX(IoReadFifo8):
+ movw 4(%esp), %dx
+ movl 8(%esp), %ecx
+ pushl %edi
+ movl 16(%esp), %edi
+rep insb
+ popl %edi
+ ret
+
diff --git a/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.asm b/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.asm new file mode 100644 index 0000000000..e46af81e8d --- /dev/null +++ b/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.asm @@ -0,0 +1,40 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2012, 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
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+;------------------------------------------------------------------------------
+
+ .586P
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; IoReadFifo8 (
+; IN UINTN Port,
+; IN UINTN Size,
+; IN VOID *Buffer
+; );
+;------------------------------------------------------------------------------
+IoReadFifo8 PROC
+
+ mov dx, [esp + 4]
+ mov ecx, [esp + 8]
+ push edi
+ mov edx, [esp + 16]
+rep insb
+ pop edi
+ ret
+
+IoReadFifo8 ENDP
+
+ END
+
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