diff options
Diffstat (limited to 'MdePkg/Library/BaseCpuLib')
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S | 36 | ||||
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm | 37 | ||||
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S | 38 | ||||
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Arm/CpuSleep.asm | 39 | ||||
-rw-r--r-- | MdePkg/Library/BaseCpuLib/BaseCpuLib.inf | 15 | ||||
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c | 36 | ||||
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c | 33 |
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"); +} + |