summaryrefslogtreecommitdiff
path: root/MdePkg
diff options
context:
space:
mode:
authormdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>2009-08-18 21:24:08 +0000
committermdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>2009-08-18 21:24:08 +0000
commit990e25aa3597f1f48ec5920b03a276b94c5db8ec (patch)
tree38af25be40a50bfbfed9a78dd35d292c70589c37 /MdePkg
parent64698eb8415e6829b956a12c3883655acc02f5a7 (diff)
downloadedk2-platforms-990e25aa3597f1f48ec5920b03a276b94c5db8ec.tar.xz
Add Add ARM support
Add C inline assembly files for IA32 and X64 GCC builds. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9114 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg')
-rw-r--r--MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S36
-rw-r--r--MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm37
-rw-r--r--MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S38
-rw-r--r--MdePkg/Library/BaseCpuLib/Arm/CpuSleep.asm39
-rw-r--r--MdePkg/Library/BaseCpuLib/BaseCpuLib.inf15
-rw-r--r--MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c36
-rw-r--r--MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c33
7 files changed, 230 insertions, 4 deletions
diff --git a/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S b/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S
new file mode 100644
index 0000000000..6581425491
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S
@@ -0,0 +1,36 @@
+#------------------------------------------------------------------------------
+#
+# CpuFlushTlb() for ARM
+#
+# Copyright (c) 2006 - 2009, Intel Corporation<BR>
+# Portions copyright (c) 2008-2009 Apple Inc.<BR>
+# All rights reserved. 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.
+#
+#------------------------------------------------------------------------------
+
+.text
+.p2align 2
+.globl ASM_PFX(CpuFlushTlb)
+
+#/**
+# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+#
+# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+#
+#**/
+#VOID
+#EFIAPI
+#CpuFlushTlb (
+# VOID
+# )#
+#
+ASM_PFX(CpuFlushTlb):
+ mov r0,#0
+ mcr p15,0,r0,c8,c5,0 # Invalidate all the unlocked entried in TLB
+ bx LR
diff --git a/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm b/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm
new file mode 100644
index 0000000000..e0ccdfdfde
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm
@@ -0,0 +1,37 @@
+;------------------------------------------------------------------------------
+;
+; CpuFlushTlb() for ARM
+;
+; Copyright (c) 2006 - 2009, Intel Corporation<BR>
+; Portions copyright (c) 2008-2009 Apple Inc.<BR>
+; All rights reserved. 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.
+;
+;------------------------------------------------------------------------------
+
+ EXPORT CpuFlushTlb
+ AREA cpu_flush_tlb, CODE, READONLY
+
+;/**
+; Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+;
+; Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+;
+;**/
+;VOID
+;EFIAPI
+;CpuFlushTlb (
+; VOID
+; );
+;
+CpuFlushTlb
+ MOV r0,#0
+ MCR p15,0,r0,c8,c5,0 ;Invalidate all the unlocked entried in TLB
+ BX LR
+
+ END
diff --git a/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S b/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S
new file mode 100644
index 0000000000..8d06372262
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S
@@ -0,0 +1,38 @@
+#------------------------------------------------------------------------------
+#
+# CpuSleep() for ARM
+#
+# Copyright (c) 2006 - 2009, Intel Corporation<BR>
+# Portions copyright (c) 2008-2009 Apple Inc.<BR>
+# All rights reserved. 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.
+#
+#------------------------------------------------------------------------------
+
+.text
+.p2align 2
+.globl ASM_PFX(CpuSleep)
+
+#/**
+# Places the CPU in a sleep state until an interrupt is received.
+#
+# Places the CPU in a sleep state until an interrupt is received. If interrupts
+# are disabled prior to calling this function, then the CPU will be placed in a
+# sleep state indefinitely.
+#
+#**/
+#VOID
+#EFIAPI
+#CpuSleep (
+# VOID
+# );
+#
+ASM_PFX(CpuSleep):
+ mov r0,#0
+ mcr p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction
+ bx lr
diff --git a/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.asm b/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.asm
new file mode 100644
index 0000000000..e0aaf21663
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; CpuSleep() for ARM
+;
+; Copyright (c) 2006 - 2009, Intel Corporation<BR>
+; Portions copyright (c) 2008-2009 Apple Inc.<BR>
+; All rights reserved. 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.
+;
+;------------------------------------------------------------------------------
+
+ EXPORT CpuSleep
+ AREA cpu_sleep, CODE, READONLY
+
+;/**
+; Places the CPU in a sleep state until an interrupt is received.
+;
+; Places the CPU in a sleep state until an interrupt is received. If interrupts
+; are disabled prior to calling this function, then the CPU will be placed in a
+; sleep state indefinitely.
+;
+;**/
+;VOID
+;EFIAPI
+;CpuSleep (
+; VOID
+; );
+;
+CpuSleep
+ MOV r0,#0
+ MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction
+ BX LR
+
+ END
diff --git a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
index 2747224083..567202a779 100644
--- a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
+++ b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
@@ -4,7 +4,8 @@
# CPU Library implemented using ASM functions for IA-32 and X64,
# PAL CALLs for IPF, and empty functions for EBC.
#
-# Copyright (c) 2007 - 2008, Intel Corporation.
+# Copyright (c) 2007 - 2008, Intel Corporation.<BR>
+# Portions Copyright (c) 2008-2009 Apple Inc.<BR>
#
# All rights reserved. This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -26,12 +27,12 @@
#
-# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC ARM
#
[Sources.common]
-[Sources.Ia32]
+[Sources.IA32]
Ia32/CpuSleep.c | MSFT
Ia32/CpuFlushTlb.c | MSFT
@@ -55,10 +56,16 @@
[Sources.EBC]
Ebc/CpuSleepFlushTlb.c
+[Sources.ARM]
+ Arm/CpuFlushTlb.asm | RVCT
+ Arm/CpuSleep.asm | RVCT
+ Arm/CpuFlushTlb.S | GCC
+ Arm/CpuSleep.S | GCC
+
[Packages]
MdePkg/MdePkg.dec
-[LibraryClasses.Ipf]
+[LibraryClasses.IPF]
PalLib
BaseLib \ No newline at end of file
diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
new file mode 100644
index 0000000000..1b27f79e45
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
@@ -0,0 +1,36 @@
+/** @file
+ CpuFlushTlb function for Ia32/X64 GCC.
+
+ Copyright (c) 2006 - 2008, Intel Corporation<BR>
+ Portions copyright (c) 2008-2009 Apple Inc.<BR>
+ All rights reserved. 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.
+
+**/
+
+
+
+/**
+ Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+ Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+**/
+VOID
+EFIAPI
+CpuFlushTlb (
+ VOID
+ )
+{
+ __asm__ __volatile__ (
+ "movl %%cr3, %0\n\t"
+ "movl %0, %%cr3 "
+ : "r" // %0
+ );
+}
+
diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c b/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c
new file mode 100644
index 0000000000..a684059b59
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c
@@ -0,0 +1,33 @@
+/** @file
+ CpuSleep function for Ia32/X64 GCC.
+
+ Copyright (c) 2006 - 2008, Intel Corporation<BR>
+ Portions copyright (c) 2008-2009 Apple Inc.<BR>
+ All rights reserved. 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.
+
+**/
+
+
+/**
+ Places the CPU in a sleep state until an interrupt is received.
+
+ Places the CPU in a sleep state until an interrupt is received. If interrupts
+ are disabled prior to calling this function, then the CPU will be placed in a
+ sleep state indefinitely.
+
+**/
+VOID
+EFIAPI
+CpuSleep (
+ VOID
+ )
+{
+ __asm__ __volatile__ ("hlt"::: "memory");
+}
+