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authoroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-27 16:31:20 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-27 16:31:20 +0000
commitbd6b97994ab6219c74033a7e68a503dbb8d56f9f (patch)
treef12d728e3f3e73d5ef1004770e0acf6f053ba358 /ArmPkg
parent12c5ae238ed1f6fcf2c29fa38d5ff77b15da12c9 (diff)
downloadedk2-platforms-bd6b97994ab6219c74033a7e68a503dbb8d56f9f.tar.xz
ArmPkg/ArmLib: Clean ArmV7Lib
- Move the non specific ArmV7 functions to ArmLib. - Clean the ARM Platform common components to not depend on ArmV7 if not required git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12453 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg')
-rw-r--r--ArmPkg/Drivers/CpuDxe/Mmu.c2
-rw-r--r--ArmPkg/Include/Chipset/ArmV7.h138
-rw-r--r--ArmPkg/Include/Library/ArmLib.h85
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.S193
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.asm192
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S101
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm100
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c10
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.h160
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf11
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7LibPrePi.inf9
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7LibSec.inf7
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c23
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.S698
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm691
-rw-r--r--ArmPkg/Library/ArmLib/Common/ArmLib.c12
-rw-r--r--ArmPkg/Library/ArmLib/Common/ArmLibSupport.S272
-rw-r--r--ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm282
18 files changed, 1390 insertions, 1596 deletions
diff --git a/ArmPkg/Drivers/CpuDxe/Mmu.c b/ArmPkg/Drivers/CpuDxe/Mmu.c
index 74794eb945..6218b5d27f 100644
--- a/ArmPkg/Drivers/CpuDxe/Mmu.c
+++ b/ArmPkg/Drivers/CpuDxe/Mmu.c
@@ -15,8 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
--*/
#include "CpuDxe.h"
-//FIXME: Remove this ARMv7 specific header
-#include <Chipset/ArmV7.h>
// First Level Descriptors
typedef UINT32 ARM_FIRST_LEVEL_DESCRIPTOR;
diff --git a/ArmPkg/Include/Chipset/ArmV7.h b/ArmPkg/Include/Chipset/ArmV7.h
index 5fab7eddbe..909686ce36 100644
--- a/ArmPkg/Include/Chipset/ArmV7.h
+++ b/ArmPkg/Include/Chipset/ArmV7.h
@@ -1,6 +1,7 @@
/** @file
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+ Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -24,28 +25,6 @@
#define DOMAIN_ACCESS_CONTROL_RESERVED(a) (2UL << (2 * (a)))
#define DOMAIN_ACCESS_CONTROL_MANAGER(a) (3UL << (2 * (a)))
-// Cortex A9 feature bit definitions
-#define A9_FEATURE_PARITY (1<<9)
-#define A9_FEATURE_AOW (1<<8)
-#define A9_FEATURE_EXCL (1<<7)
-#define A9_FEATURE_SMP (1<<6)
-#define A9_FEATURE_FOZ (1<<3)
-#define A9_FEATURE_DPREF (1<<2)
-#define A9_FEATURE_HINT (1<<1)
-#define A9_FEATURE_FWD (1<<0)
-
-// SCU register offsets & masks
-#define SCU_CONTROL_OFFSET 0x0
-#define SCU_CONFIG_OFFSET 0x4
-#define SCU_INVALL_OFFSET 0xC
-#define SCU_FILT_START_OFFSET 0x40
-#define SCU_FILT_END_OFFSET 0x44
-#define SCU_SACR_OFFSET 0x50
-#define SCU_SSACR_OFFSET 0x54
-
-#define SMP_GIC_CPUIF_BASE 0x100
-#define SMP_GIC_DIST_BASE 0x1000
-
// CPACR - Coprocessor Access Control Register definitions
#define CPACR_CP_DENIED(cp) 0x00
#define CPACR_CP_PRIV(cp) ((0x1 << ((cp) << 1)) & 0x0FFFFFFF)
@@ -71,121 +50,24 @@
#define SCR_FW (1 << 4)
#define SCR_AW (1 << 5)
-VOID
-EFIAPI
-ArmEnableSWPInstruction (
- VOID
- );
+// MIDR - Main ID Register definitions
+#define ARM_CPU_TYPE_MASK 0xFFF
+#define ARM_CPU_TYPE_A15 0xC0F
+#define ARM_CPU_TYPE_A9 0xC09
+#define ARM_CPU_TYPE_A5 0xC05
VOID
EFIAPI
-ArmWriteNsacr (
- IN UINT32 SetWayFormat
- );
-
-VOID
-EFIAPI
-ArmWriteScr (
- IN UINT32 SetWayFormat
- );
-
-VOID
-EFIAPI
-ArmWriteVMBar (
- IN UINT32 SetWayFormat
- );
-
-VOID
-EFIAPI
-ArmWriteVBar (
- IN UINT32 SetWayFormat
- );
-
-UINT32
-EFIAPI
-ArmReadVBar (
- VOID
- );
-
-VOID
-EFIAPI
-ArmWriteCPACR (
- IN UINT32 SetWayFormat
- );
-
-VOID
-EFIAPI
-ArmEnableVFP (
- VOID
- );
-
-VOID
-EFIAPI
-ArmCallWFI (
- VOID
- );
-
-VOID
-EFIAPI
-ArmInvalidScu (
- VOID
- );
-
-UINTN
-EFIAPI
-ArmGetScuBaseAddress (
- VOID
- );
-
-UINT32
-EFIAPI
-ArmIsScuEnable (
- VOID
- );
-
-VOID
-EFIAPI
-ArmWriteAuxCr (
- IN UINT32 Bit
- );
-
-UINT32
-EFIAPI
-ArmReadAuxCr (
+ArmEnableSWPInstruction (
VOID
);
-VOID
-EFIAPI
-ArmSetAuxCrBit (
- IN UINT32 Bits
- );
-
-VOID
-EFIAPI
-ArmSetupSmpNonSecure (
- IN UINTN CoreId
- );
-
UINTN
EFIAPI
ArmReadCbar (
VOID
);
-VOID
-EFIAPI
-ArmInvalidateInstructionAndDataTlb (
- VOID
- );
-
-
-UINTN
-EFIAPI
-ArmReadMpidr (
- VOID
- );
-
UINTN
EFIAPI
ArmReadTpidrurw (
@@ -198,4 +80,10 @@ ArmWriteTpidrurw (
UINTN Value
);
+UINTN
+EFIAPI
+ArmReadIdPfr1 (
+ VOID
+ );
+
#endif // __ARM_V7_H__
diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h
index 89d915a8df..e88633e1e9 100644
--- a/ArmPkg/Include/Library/ArmLib.h
+++ b/ArmPkg/Include/Library/ArmLib.h
@@ -15,6 +15,12 @@
#ifndef __ARM_LIB__
#define __ARM_LIB__
+#ifdef ARM_CPU_ARMv6
+#include <Chipset/ARM1176JZ-S.h>
+#else
+#include <Chipset/ArmV7.h>
+#endif
+
typedef enum {
ARM_CACHE_TYPE_WRITE_BACK,
ARM_CACHE_TYPE_UNKNOWN
@@ -252,6 +258,12 @@ ArmDisableCachesAndMmu (
VOID
EFIAPI
+ArmInvalidateInstructionAndDataTlb (
+ VOID
+ );
+
+VOID
+EFIAPI
ArmEnableInterrupts (
VOID
);
@@ -384,6 +396,77 @@ EFIAPI
ArmInstructionSynchronizationBarrier (
VOID
);
-
+
+VOID
+EFIAPI
+ArmWriteVBar (
+ IN UINT32 VectorBase
+ );
+
+UINT32
+EFIAPI
+ArmReadVBar (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmWriteAuxCr (
+ IN UINT32 Bit
+ );
+
+UINT32
+EFIAPI
+ArmReadAuxCr (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmSetAuxCrBit (
+ IN UINT32 Bits
+ );
+
+VOID
+EFIAPI
+ArmCallWFI (
+ VOID
+ );
+
+UINTN
+EFIAPI
+ArmReadMpidr (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmWriteCPACR (
+ IN UINT32 Access
+ );
+
+VOID
+EFIAPI
+ArmEnableVFP (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmWriteNsacr (
+ IN UINT32 SetWayFormat
+ );
+
+VOID
+EFIAPI
+ArmWriteScr (
+ IN UINT32 SetWayFormat
+ );
+
+VOID
+EFIAPI
+ArmWriteVMBar (
+ IN UINT32 VectorMonitorBase
+ );
#endif // __ARM_LIB__
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.S b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.S
deleted file mode 100644
index 54f36174bb..0000000000
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.S
+++ /dev/null
@@ -1,193 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2008 - 2010, Apple Inc. 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.
-#
-#------------------------------------------------------------------------------
-
-#include <AsmMacroIoLib.h>
-
-.text
-.align 2
-
-GCC_ASM_EXPORT(Cp15IdCode)
-GCC_ASM_EXPORT(Cp15CacheInfo)
-GCC_ASM_EXPORT(ArmIsMPCore)
-GCC_ASM_EXPORT(ArmEnableAsynchronousAbort)
-GCC_ASM_EXPORT(ArmDisableAsynchronousAbort)
-GCC_ASM_EXPORT(ArmEnableIrq)
-GCC_ASM_EXPORT(ArmDisableIrq)
-GCC_ASM_EXPORT(ArmGetInterruptState)
-GCC_ASM_EXPORT(ArmEnableFiq)
-GCC_ASM_EXPORT(ArmDisableFiq)
-GCC_ASM_EXPORT(ArmEnableInterrupts)
-GCC_ASM_EXPORT(ArmDisableInterrupts)
-GCC_ASM_EXPORT(ArmGetFiqState)
-GCC_ASM_EXPORT(ArmInvalidateTlb)
-GCC_ASM_EXPORT(ArmSetTTBR0)
-GCC_ASM_EXPORT(ArmGetTTBR0BaseAddress)
-GCC_ASM_EXPORT(ArmSetDomainAccessControl)
-GCC_ASM_EXPORT(ArmUpdateTranslationTableEntry)
-GCC_ASM_EXPORT(CPSRMaskInsert)
-GCC_ASM_EXPORT(CPSRRead)
-GCC_ASM_EXPORT(ReadCCSIDR)
-GCC_ASM_EXPORT(ReadCLIDR)
-
-
-
-#------------------------------------------------------------------------------
-
-ASM_PFX(Cp15IdCode):
- mrc p15,0,R0,c0,c0,0
- bx LR
-
-ASM_PFX(Cp15CacheInfo):
- mrc p15,0,R0,c0,c0,1
- bx LR
-
-ASM_PFX(ArmIsMPCore):
- mrc p15,0,R0,c0,c0,5
- // Get Multiprocessing extension (bit31) & U bit (bit30)
- and R0, R0, #0xC0000000
- // if bit30 == 0 then the processor is part of a multiprocessor system)
- and R0, R0, #0x80000000
- bx LR
-
-ASM_PFX(ArmEnableAsynchronousAbort):
- cpsie a
- isb
- bx LR
-
-ASM_PFX(ArmDisableAsynchronousAbort):
- cpsid a
- isb
- bx LR
-
-ASM_PFX(ArmEnableIrq):
- cpsie i
- isb
- bx LR
-
-ASM_PFX(ArmDisableIrq):
- cpsid i
- isb
- bx LR
-
-ASM_PFX(ArmGetInterruptState):
- mrs R0,CPSR
- tst R0,#0x80 @Check if IRQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ASM_PFX(ArmEnableFiq):
- cpsie f
- isb
- bx LR
-
-ASM_PFX(ArmDisableFiq):
- cpsid f
- isb
- bx LR
-
-ASM_PFX(ArmEnableInterrupts):
- cpsie if
- isb
- bx LR
-
-ASM_PFX(ArmDisableInterrupts):
- cpsid if
- isb
- bx LR
-
-ASM_PFX(ArmGetFiqState):
- mrs R0,CPSR
- tst R0,#0x40 @Check if FIQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ASM_PFX(ArmInvalidateTlb):
- mov r0,#0
- mcr p15,0,r0,c8,c7,0
- mcr p15,0,R9,c7,c5,6 @ BPIALL Invalidate Branch predictor array. R9 == NoOp
- dsb
- isb
- bx lr
-
-ASM_PFX(ArmSetTTBR0):
- mcr p15,0,r0,c2,c0,0
- isb
- bx lr
-
-ASM_PFX(ArmGetTTBR0BaseAddress):
- mrc p15,0,r0,c2,c0,0
- LoadConstantToReg(0xFFFFC000, r1)
- and r0, r0, r1
- isb
- bx lr
-
-
-ASM_PFX(ArmSetDomainAccessControl):
- mcr p15,0,r0,c3,c0,0
- isb
- bx lr
-
-//
-//VOID
-//ArmUpdateTranslationTableEntry (
-// IN VOID *TranslationTableEntry // R0
-// IN VOID *MVA // R1
-// );
-ASM_PFX(ArmUpdateTranslationTableEntry):
- mcr p15,0,R0,c7,c14,1 @ DCCIMVAC Clean data cache by MVA
- dsb
- mcr p15,0,R1,c8,c7,1 @ TLBIMVA TLB Invalidate MVA
- mcr p15,0,R9,c7,c5,6 @ BPIALL Invalidate Branch predictor array. R9 == NoOp
- dsb
- isb
- bx lr
-
-ASM_PFX(CPSRMaskInsert): @ on entry, r0 is the mask and r1 is the field to insert
- stmfd sp!, {r4-r12, lr} @ save all the banked registers
- mov r3, sp @ copy the stack pointer into a non-banked register
- mrs r2, cpsr @ read the cpsr
- bic r2, r2, r0 @ clear mask in the cpsr
- and r1, r1, r0 @ clear bits outside the mask in the input
- orr r2, r2, r1 @ set field
- msr cpsr_cxsf, r2 @ write back cpsr (may have caused a mode switch)
- isb
- mov sp, r3 @ restore stack pointer
- ldmfd sp!, {r4-r12, lr} @ restore registers
- bx lr @ return (hopefully thumb-safe!)
-
-ASM_PFX(CPSRRead):
- mrs r0, cpsr
- bx lr
-
-// UINT32
-// ReadCCSIDR (
-// IN UINT32 CSSELR
-// )
-ASM_PFX(ReadCCSIDR):
- mcr p15,2,r0,c0,c0,0 @ Write Cache Size Selection Register (CSSELR)
- isb
- mrc p15,1,r0,c0,c0,0 @ Read current CP15 Cache Size ID Register (CCSIDR)
- bx lr
-
-// UINT32
-// ReadCLIDR (
-// IN UINT32 CSSELR
-// )
-ASM_PFX(ReadCLIDR):
- mrc p15,1,r0,c0,c0,1 @ Read CP15 Cache Level ID Register
- bx lr
-
-ASM_FUNCTION_REMOVE_IF_UNREFERENCED
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.asm b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.asm
deleted file mode 100644
index 19f489f3c0..0000000000
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupport.asm
+++ /dev/null
@@ -1,192 +0,0 @@
-//------------------------------------------------------------------------------
-//
-// Copyright (c) 2008 - 2010, Apple Inc. 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.
-//
-//------------------------------------------------------------------------------
-
-
- EXPORT Cp15IdCode
- EXPORT Cp15CacheInfo
- EXPORT ArmIsMPCore
- EXPORT ArmEnableAsynchronousAbort
- EXPORT ArmDisableAsynchronousAbort
- EXPORT ArmEnableIrq
- EXPORT ArmDisableIrq
- EXPORT ArmGetInterruptState
- EXPORT ArmEnableFiq
- EXPORT ArmDisableFiq
- EXPORT ArmEnableInterrupts
- EXPORT ArmDisableInterrupts
- EXPORT ArmGetFiqState
- EXPORT ArmInvalidateTlb
- EXPORT ArmSetTTBR0
- EXPORT ArmGetTTBR0BaseAddress
- EXPORT ArmSetDomainAccessControl
- EXPORT ArmUpdateTranslationTableEntry
- EXPORT CPSRMaskInsert
- EXPORT CPSRRead
- EXPORT ReadCCSIDR
- EXPORT ReadCLIDR
-
- AREA ArmLibSupport, CODE, READONLY
-
-
-//------------------------------------------------------------------------------
-
-Cp15IdCode
- mrc p15,0,R0,c0,c0,0
- bx LR
-
-Cp15CacheInfo
- mrc p15,0,R0,c0,c0,1
- bx LR
-
-ArmIsMPCore
- mrc p15,0,R0,c0,c0,5
- // Get Multiprocessing extension (bit31) & U bit (bit30)
- and R0, R0, #0xC0000000
- // if bit30 == 0 then the processor is part of a multiprocessor system)
- and R0, R0, #0x80000000
- bx LR
-
-ArmEnableAsynchronousAbort
- cpsie a
- isb
- bx LR
-
-ArmDisableAsynchronousAbort
- cpsid a
- isb
- bx LR
-
-ArmEnableIrq
- cpsie i
- isb
- bx LR
-
-ArmDisableIrq
- cpsid i
- isb
- bx LR
-
-ArmEnableFiq
- cpsie f
- isb
- bx LR
-
-ArmDisableFiq
- cpsid f
- isb
- bx LR
-
-ArmEnableInterrupts
- cpsie if
- isb
- bx LR
-
-ArmDisableInterrupts
- cpsid if
- isb
- bx LR
-
-ArmGetInterruptState
- mrs R0,CPSR
- tst R0,#0x80 ;Check if IRQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ArmGetFiqState
- mrs R0,CPSR
- tst R0,#0x40 ;Check if FIQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ArmInvalidateTlb
- mov r0,#0
- mcr p15,0,r0,c8,c7,0
- mcr p15,0,R9,c7,c5,6 ; BPIALL Invalidate Branch predictor array. R9 == NoOp
- dsb
- isb
- bx lr
-
-ArmSetTTBR0
- mcr p15,0,r0,c2,c0,0
- isb
- bx lr
-
-ArmGetTTBR0BaseAddress
- mrc p15,0,r0,c2,c0,0
- ldr r1, = 0xFFFFC000
- and r0, r0, r1
- isb
- bx lr
-
-
-ArmSetDomainAccessControl
- mcr p15,0,r0,c3,c0,0
- isb
- bx lr
-
-//
-//VOID
-//ArmUpdateTranslationTableEntry (
-// IN VOID *TranslationTableEntry // R0
-// IN VOID *MVA // R1
-// );
-ArmUpdateTranslationTableEntry
- mcr p15,0,R0,c7,c14,1 ; DCCIMVAC Clean data cache by MVA
- dsb
- mcr p15,0,R1,c8,c7,1 ; TLBIMVA TLB Invalidate MVA
- mcr p15,0,R9,c7,c5,6 ; BPIALL Invalidate Branch predictor array. R9 == NoOp
- dsb
- isb
- bx lr
-
-CPSRMaskInsert ; on entry, r0 is the mask and r1 is the field to insert
- stmfd sp!, {r4-r12, lr} ; save all the banked registers
- mov r3, sp ; copy the stack pointer into a non-banked register
- mrs r2, cpsr ; read the cpsr
- bic r2, r2, r0 ; clear mask in the cpsr
- and r1, r1, r0 ; clear bits outside the mask in the input
- orr r2, r2, r1 ; set field
- msr cpsr_cxsf, r2 ; write back cpsr (may have caused a mode switch)
- isb
- mov sp, r3 ; restore stack pointer
- ldmfd sp!, {r4-r12, lr} ; restore registers
- bx lr ; return (hopefully thumb-safe!)
-
-CPSRRead
- mrs r0, cpsr
- bx lr
-
-
-// UINT32
-// ReadCCSIDR (
-// IN UINT32 CSSELR
-// )
-ReadCCSIDR
- mcr p15,2,r0,c0,c0,0 ; Write Cache Size Selection Register (CSSELR)
- isb
- mrc p15,1,r0,c0,c0,0 ; Read current CP15 Cache Size ID Register (CCSIDR)
- bx lr
-
-
-// UINT32
-// ReadCLIDR (
-// IN UINT32 CSSELR
-// )
-ReadCLIDR
- mrc p15,1,r0,c0,c0,1 ; Read CP15 Cache Level ID Register
- bx lr
-
-END
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S
new file mode 100644
index 0000000000..9595f224c5
--- /dev/null
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S
@@ -0,0 +1,101 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+# Copyright (c) 2011, ARM Limited. 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.
+#
+#------------------------------------------------------------------------------
+
+#include <AsmMacroIoLib.h>
+
+.text
+.align 2
+
+GCC_ASM_EXPORT(ArmIsMpCore)
+GCC_ASM_EXPORT(ArmEnableAsynchronousAbort)
+GCC_ASM_EXPORT(ArmDisableAsynchronousAbort)
+GCC_ASM_EXPORT(ArmEnableIrq)
+GCC_ASM_EXPORT(ArmDisableIrq)
+GCC_ASM_EXPORT(ArmEnableFiq)
+GCC_ASM_EXPORT(ArmDisableFiq)
+GCC_ASM_EXPORT(ArmEnableInterrupts)
+GCC_ASM_EXPORT(ArmDisableInterrupts)
+GCC_ASM_EXPORT(ReadCCSIDR)
+GCC_ASM_EXPORT(ReadCLIDR)
+
+#------------------------------------------------------------------------------
+
+ASM_PFX(ArmIsMpCore):
+ mrc p15,0,R0,c0,c0,5
+ // Get Multiprocessing extension (bit31) & U bit (bit30)
+ and R0, R0, #0xC0000000
+ // if bit30 == 0 then the processor is part of a multiprocessor system)
+ and R0, R0, #0x80000000
+ bx LR
+
+ASM_PFX(ArmEnableAsynchronousAbort):
+ cpsie a
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableAsynchronousAbort):
+ cpsid a
+ isb
+ bx LR
+
+ASM_PFX(ArmEnableIrq):
+ cpsie i
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableIrq):
+ cpsid i
+ isb
+ bx LR
+
+ASM_PFX(ArmEnableFiq):
+ cpsie f
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableFiq):
+ cpsid f
+ isb
+ bx LR
+
+ASM_PFX(ArmEnableInterrupts):
+ cpsie if
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableInterrupts):
+ cpsid if
+ isb
+ bx LR
+
+// UINT32
+// ReadCCSIDR (
+// IN UINT32 CSSELR
+// )
+ASM_PFX(ReadCCSIDR):
+ mcr p15,2,r0,c0,c0,0 @ Write Cache Size Selection Register (CSSELR)
+ isb
+ mrc p15,1,r0,c0,c0,0 @ Read current CP15 Cache Size ID Register (CCSIDR)
+ bx lr
+
+// UINT32
+// ReadCLIDR (
+// IN UINT32 CSSELR
+// )
+ASM_PFX(ReadCLIDR):
+ mrc p15,1,r0,c0,c0,1 @ Read CP15 Cache Level ID Register
+ bx lr
+
+ASM_FUNCTION_REMOVE_IF_UNREFERENCED
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm
new file mode 100644
index 0000000000..39d6c85937
--- /dev/null
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm
@@ -0,0 +1,100 @@
+//------------------------------------------------------------------------------
+//
+// Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+// Copyright (c) 2011, ARM Limited. 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 ArmIsMpCore
+ EXPORT ArmEnableAsynchronousAbort
+ EXPORT ArmDisableAsynchronousAbort
+ EXPORT ArmEnableIrq
+ EXPORT ArmDisableIrq
+ EXPORT ArmEnableFiq
+ EXPORT ArmDisableFiq
+ EXPORT ArmEnableInterrupts
+ EXPORT ArmDisableInterrupts
+ EXPORT ReadCCSIDR
+ EXPORT ReadCLIDR
+
+ AREA ArmLibSupportV7, CODE, READONLY
+
+
+//------------------------------------------------------------------------------
+
+ArmIsMpCore
+ mrc p15,0,R0,c0,c0,5
+ // Get Multiprocessing extension (bit31) & U bit (bit30)
+ and R0, R0, #0xC0000000
+ // if bit30 == 0 then the processor is part of a multiprocessor system)
+ and R0, R0, #0x80000000
+ bx LR
+
+ArmEnableAsynchronousAbort
+ cpsie a
+ isb
+ bx LR
+
+ArmDisableAsynchronousAbort
+ cpsid a
+ isb
+ bx LR
+
+ArmEnableIrq
+ cpsie i
+ isb
+ bx LR
+
+ArmDisableIrq
+ cpsid i
+ isb
+ bx LR
+
+ArmEnableFiq
+ cpsie f
+ isb
+ bx LR
+
+ArmDisableFiq
+ cpsid f
+ isb
+ bx LR
+
+ArmEnableInterrupts
+ cpsie if
+ isb
+ bx LR
+
+ArmDisableInterrupts
+ cpsid if
+ isb
+ bx LR
+
+// UINT32
+// ReadCCSIDR (
+// IN UINT32 CSSELR
+// )
+ReadCCSIDR
+ mcr p15,2,r0,c0,c0,0 ; Write Cache Size Selection Register (CSSELR)
+ isb
+ mrc p15,1,r0,c0,c0,0 ; Read current CP15 Cache Size ID Register (CCSIDR)
+ bx lr
+
+// UINT32
+// ReadCLIDR (
+// IN UINT32 CSSELR
+// )
+ReadCLIDR
+ mrc p15,1,r0,c0,c0,1 ; Read CP15 Cache Level ID Register
+ bx lr
+
+END
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c
index 4329bd7239..1ffdb7f83f 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c
@@ -235,13 +235,3 @@ ArmCleanDataCache (
ArmV7DataCacheOperation (ArmCleanDataCacheEntryBySetWay);
}
-VOID
-EFIAPI
-ArmSetAuxCrBit (
- IN UINT32 Bits
- )
-{
- UINT32 val = ArmReadAuxCr();
- val |= Bits;
- ArmWriteAuxCr(val);
-}
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.h b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.h
index 7eaeb15661..b98407cfbc 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.h
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.h
@@ -1,80 +1,80 @@
-/** @file
-
- Copyright (c) 2008 - 2009, Apple Inc. 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.
-
-**/
-
-#ifndef __ARM_V7_LIB_H__
-#define __ARM_V7_LIB_H__
-
-
-VOID
-EFIAPI
-ArmDrainWriteBuffer (
- VOID
- );
-
-VOID
-EFIAPI
-ArmInvalidateDataCacheEntryBySetWay (
- IN UINT32 SetWayFormat
- );
-
-VOID
-EFIAPI
-ArmCleanDataCacheEntryBySetWay (
- IN UINT32 SetWayFormat
- );
-
-VOID
-EFIAPI
-ArmCleanInvalidateDataCacheEntryBySetWay (
- IN UINT32 SetWayFormat
- );
-
-VOID
-EFIAPI
-ArmEnableAsynchronousAbort (
- VOID
- );
-
-UINTN
-EFIAPI
-ArmDisableAsynchronousAbort (
- VOID
- );
-
-VOID
-EFIAPI
-ArmEnableIrq (
- VOID
- );
-
-UINTN
-EFIAPI
-ArmDisableIrq (
- VOID
- );
-
-VOID
-EFIAPI
-ArmEnableFiq (
- VOID
- );
-
-UINTN
-EFIAPI
-ArmDisableFiq (
- VOID
- );
-
-#endif // __ARM_V7_LIB_H__
-
+/** @file
+
+ Copyright (c) 2008 - 2009, Apple Inc. 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.
+
+**/
+
+#ifndef __ARM_V7_LIB_H__
+#define __ARM_V7_LIB_H__
+
+
+VOID
+EFIAPI
+ArmDrainWriteBuffer (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmInvalidateDataCacheEntryBySetWay (
+ IN UINT32 SetWayFormat
+ );
+
+VOID
+EFIAPI
+ArmCleanDataCacheEntryBySetWay (
+ IN UINT32 SetWayFormat
+ );
+
+VOID
+EFIAPI
+ArmCleanInvalidateDataCacheEntryBySetWay (
+ IN UINT32 SetWayFormat
+ );
+
+VOID
+EFIAPI
+ArmEnableAsynchronousAbort (
+ VOID
+ );
+
+UINTN
+EFIAPI
+ArmDisableAsynchronousAbort (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmEnableIrq (
+ VOID
+ );
+
+UINTN
+EFIAPI
+ArmDisableIrq (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmEnableFiq (
+ VOID
+ );
+
+UINTN
+EFIAPI
+ArmDisableFiq (
+ VOID
+ );
+
+#endif // __ARM_V7_LIB_H__
+
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf
index 2452c28734..2f0ade9b8e 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf
@@ -1,7 +1,7 @@
#/** @file
-# Semihosting serail port lib
#
# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -22,13 +22,16 @@
LIBRARY_CLASS = ArmLib
[Sources.common]
- ArmLibSupport.S | GCC
- ArmLibSupport.asm | RVCT
+ ArmLibSupportV7.S | GCC
+ ArmLibSupportV7.asm | RVCT
+
+ ../Common/ArmLibSupport.S | GCC
+ ../Common/ArmLibSupport.asm | RVCT
../Common/ArmLib.c
ArmV7Support.S | GCC
ArmV7Support.asm | RVCT
-
+
ArmV7Lib.c
ArmV7Mmu.c
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibPrePi.inf b/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibPrePi.inf
index f97b5a4cee..6211549742 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibPrePi.inf
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibPrePi.inf
@@ -22,13 +22,16 @@
LIBRARY_CLASS = ArmLib
[Sources.common]
- ArmLibSupport.S | GCC
- ArmLibSupport.asm | RVCT
+ ArmLibSupportV7.S | GCC
+ ArmLibSupportV7.asm | RVCT
+
+ ../Common/ArmLibSupport.S | GCC
+ ../Common/ArmLibSupport.asm | RVCT
../Common/ArmLib.c
ArmV7Support.S | GCC
ArmV7Support.asm | RVCT
-
+
ArmV7Lib.c
ArmV7Mmu.c
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibSec.inf b/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibSec.inf
index 73bf09a5a3..b7cb450462 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibSec.inf
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7LibSec.inf
@@ -20,8 +20,11 @@
LIBRARY_CLASS = ArmLib
[Sources.common]
- ArmLibSupport.S | GCC
- ArmLibSupport.asm | RVCT
+ ArmLibSupportV7.S | GCC
+ ArmLibSupportV7.asm | RVCT
+
+ ../Common/ArmLibSupport.S | GCC
+ ../Common/ArmLibSupport.asm | RVCT
../Common/ArmLib.c
ArmV7Support.S | GCC
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c
index 3ba66d62bf..f57e48b3a5 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c
@@ -29,7 +29,8 @@ PopulateLevel2PageTable (
IN UINT32 PhysicalBase,
IN UINT32 RemainLength,
IN ARM_MEMORY_REGION_ATTRIBUTES Attributes
- ) {
+ )
+{
UINT32* PageEntry;
UINT32 Pages;
UINT32 Index;
@@ -173,14 +174,14 @@ FillTranslationTable (
PhysicalBase += TT_DESCRIPTOR_SECTION_SIZE;
} else {
// Case: Physical address aligned on the Section Size (1MB) && the length does not fill a section
- PopulateLevel2PageTable(SectionEntry++,PhysicalBase,RemainLength,MemoryRegion->Attributes);
+ PopulateLevel2PageTable (SectionEntry++, PhysicalBase, RemainLength, MemoryRegion->Attributes);
// It must be the last entry
break;
}
} else {
// Case: Physical address NOT aligned on the Section Size (1MB)
- PopulateLevel2PageTable(SectionEntry++,PhysicalBase,RemainLength,MemoryRegion->Attributes);
+ PopulateLevel2PageTable (SectionEntry++, PhysicalBase, RemainLength, MemoryRegion->Attributes);
// Aligned the address
PhysicalBase = (PhysicalBase + TT_DESCRIPTOR_SECTION_SIZE) & ~(TT_DESCRIPTOR_SECTION_SIZE-1);
@@ -206,7 +207,7 @@ ArmConfigureMmu (
UINT32 TTBRAttributes;
// Allocate pages for translation table.
- TranslationTable = (UINTN)AllocatePages(EFI_SIZE_TO_PAGES(TRANSLATION_TABLE_SECTION_SIZE + TRANSLATION_TABLE_SECTION_ALIGNMENT));
+ TranslationTable = (UINTN)AllocatePages (EFI_SIZE_TO_PAGES(TRANSLATION_TABLE_SECTION_SIZE + TRANSLATION_TABLE_SECTION_ALIGNMENT));
TranslationTable = ((UINTN)TranslationTable + TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK) & ~TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK;
if (TranslationTableBase != NULL) {
@@ -219,17 +220,17 @@ ArmConfigureMmu (
ZeroMem ((VOID *)TranslationTable, TRANSLATION_TABLE_SECTION_SIZE);
- ArmCleanInvalidateDataCache();
- ArmInvalidateInstructionCache();
- ArmInvalidateTlb();
+ ArmCleanInvalidateDataCache ();
+ ArmInvalidateInstructionCache ();
+ ArmInvalidateTlb ();
- ArmDisableDataCache();
+ ArmDisableDataCache ();
ArmDisableInstructionCache();
- ArmDisableMmu();
+ ArmDisableMmu ();
// Make sure nothing sneaked into the cache
- ArmCleanInvalidateDataCache();
- ArmInvalidateInstructionCache();
+ ArmCleanInvalidateDataCache ();
+ ArmInvalidateInstructionCache ();
TranslationTableAttribute = (ARM_MEMORY_REGION_ATTRIBUTES)0;
while (MemoryTable->Length != 0) {
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.S b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.S
index 75e1e0b5df..fb1ca2dee2 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.S
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.S
@@ -1,358 +1,340 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2008 - 2009, Apple Inc. 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.
-#
-#------------------------------------------------------------------------------
-
-.text
-.align 2
-
-GCC_ASM_EXPORT (ArmInvalidateInstructionCache)
-GCC_ASM_EXPORT (ArmInvalidateDataCacheEntryByMVA)
-GCC_ASM_EXPORT (ArmCleanDataCacheEntryByMVA)
-GCC_ASM_EXPORT (ArmCleanInvalidateDataCacheEntryByMVA)
-GCC_ASM_EXPORT (ArmInvalidateDataCacheEntryBySetWay)
-GCC_ASM_EXPORT (ArmCleanDataCacheEntryBySetWay)
-GCC_ASM_EXPORT (ArmCleanInvalidateDataCacheEntryBySetWay)
-GCC_ASM_EXPORT (ArmDrainWriteBuffer)
-GCC_ASM_EXPORT (ArmEnableMmu)
-GCC_ASM_EXPORT (ArmDisableMmu)
-GCC_ASM_EXPORT (ArmDisableCachesAndMmu)
-GCC_ASM_EXPORT (ArmMmuEnabled)
-GCC_ASM_EXPORT (ArmEnableDataCache)
-GCC_ASM_EXPORT (ArmDisableDataCache)
-GCC_ASM_EXPORT (ArmEnableInstructionCache)
-GCC_ASM_EXPORT (ArmDisableInstructionCache)
-GCC_ASM_EXPORT (ArmEnableSWPInstruction)
-GCC_ASM_EXPORT (ArmEnableBranchPrediction)
-GCC_ASM_EXPORT (ArmDisableBranchPrediction)
-GCC_ASM_EXPORT (ArmSetLowVectors)
-GCC_ASM_EXPORT (ArmSetHighVectors)
-GCC_ASM_EXPORT (ArmV7AllDataCachesOperation)
-GCC_ASM_EXPORT (ArmDataMemoryBarrier)
-GCC_ASM_EXPORT (ArmDataSyncronizationBarrier)
-GCC_ASM_EXPORT (ArmInstructionSynchronizationBarrier)
-GCC_ASM_EXPORT (ArmWriteNsacr)
-GCC_ASM_EXPORT (ArmWriteScr)
-GCC_ASM_EXPORT (ArmWriteVMBar)
-GCC_ASM_EXPORT (ArmWriteVBar)
-GCC_ASM_EXPORT (ArmWriteCPACR)
-GCC_ASM_EXPORT (ArmEnableVFP)
-GCC_ASM_EXPORT (ArmCallWFI)
-GCC_ASM_EXPORT (ArmWriteAuxCr)
-GCC_ASM_EXPORT (ArmReadAuxCr)
-GCC_ASM_EXPORT (ArmReadCbar)
-GCC_ASM_EXPORT (ArmInvalidateInstructionAndDataTlb)
-GCC_ASM_EXPORT (ArmReadMpidr)
-GCC_ASM_EXPORT (ArmReadTpidrurw)
-GCC_ASM_EXPORT (ArmWriteTpidrurw)
-
-.set DC_ON, (0x1<<2)
-.set IC_ON, (0x1<<12)
-.set CTRL_M_BIT, (1 << 0)
-.set CTRL_C_BIT, (1 << 2)
-.set CTRL_B_BIT, (1 << 7)
-.set CTRL_I_BIT, (1 << 12)
-
-
-ASM_PFX(ArmInvalidateDataCacheEntryByMVA):
- mcr p15, 0, r0, c7, c6, 1 @invalidate single data cache line
- dsb
- isb
- bx lr
-
-ASM_PFX(ArmCleanDataCacheEntryByMVA):
- mcr p15, 0, r0, c7, c10, 1 @clean single data cache line
- dsb
- isb
- bx lr
-
-
-ASM_PFX(ArmCleanInvalidateDataCacheEntryByMVA):
- mcr p15, 0, r0, c7, c14, 1 @clean and invalidate single data cache line
- dsb
- isb
- bx lr
-
-
-ASM_PFX(ArmInvalidateDataCacheEntryBySetWay):
- mcr p15, 0, r0, c7, c6, 2 @ Invalidate this line
- dsb
- isb
- bx lr
-
-
-ASM_PFX(ArmCleanInvalidateDataCacheEntryBySetWay):
- mcr p15, 0, r0, c7, c14, 2 @ Clean and Invalidate this line
- dsb
- isb
- bx lr
-
-
-ASM_PFX(ArmCleanDataCacheEntryBySetWay):
- mcr p15, 0, r0, c7, c10, 2 @ Clean this line
- dsb
- isb
- bx lr
-
-ASM_PFX(ArmInvalidateInstructionCache):
- mcr p15,0,R0,c7,c5,0 @Invalidate entire instruction cache
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmEnableMmu):
- mrc p15,0,R0,c1,c0,0
- orr R0,R0,#1
- mcr p15,0,R0,c1,c0,0
- dsb
- isb
- bx LR
-
-
-ASM_PFX(ArmDisableMmu):
- mrc p15,0,R0,c1,c0,0
- bic R0,R0,#1
- mcr p15,0,R0,c1,c0,0 @Disable MMU
-
- mcr p15,0,R0,c8,c7,0 @Invalidate TLB
- mcr p15,0,R0,c7,c5,6 @Invalidate Branch predictor array
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmDisableCachesAndMmu):
- mrc p15, 0, r0, c1, c0, 0 @ Get control register
- bic r0, r0, #CTRL_M_BIT @ Disable MMU
- bic r0, r0, #CTRL_C_BIT @ Disable D Cache
- bic r0, r0, #CTRL_I_BIT @ Disable I Cache
- mcr p15, 0, r0, c1, c0, 0 @ Write control register
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmMmuEnabled):
- mrc p15,0,R0,c1,c0,0
- and R0,R0,#1
- bx LR
-
-ASM_PFX(ArmEnableDataCache):
- ldr R1,=DC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- orr R0,R0,R1 @Set C bit
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmDisableDataCache):
- ldr R1,=DC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- bic R0,R0,R1 @Clear C bit
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmEnableInstructionCache):
- ldr R1,=IC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- orr R0,R0,R1 @Set I bit
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmDisableInstructionCache):
- ldr R1,=IC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- bic R0,R0,R1 @Clear I bit.
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmEnableSWPInstruction):
- mrc p15, 0, r0, c1, c0, 0
- orr r0, r0, #0x00000400
- mcr p15, 0, r0, c1, c0, 0
- isb
- bx LR
-
-ASM_PFX(ArmEnableBranchPrediction):
- mrc p15, 0, r0, c1, c0, 0
- orr r0, r0, #0x00000800
- mcr p15, 0, r0, c1, c0, 0
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmDisableBranchPrediction):
- mrc p15, 0, r0, c1, c0, 0
- bic r0, r0, #0x00000800
- mcr p15, 0, r0, c1, c0, 0
- dsb
- isb
- bx LR
-
-ASM_PFX(ArmSetLowVectors):
- mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR into R0 (Read control register configuration data)
- bic r0, r0, #0x00002000 @ clear V bit
- mcr p15, 0, r0, c1, c0, 0 @ Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ASM_PFX(ArmSetHighVectors):
- mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR into R0 (Read control register configuration data)
- orr r0, r0, #0x00002000 @ clear V bit
- mcr p15, 0, r0, c1, c0, 0 @ Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ASM_PFX(ArmV7AllDataCachesOperation):
- stmfd SP!,{r4-r12, LR}
- mov R1, R0 @ Save Function call in R1
- mrc p15, 1, R6, c0, c0, 1 @ Read CLIDR
- ands R3, R6, #0x7000000 @ Mask out all but Level of Coherency (LoC)
- mov R3, R3, LSR #23 @ Cache level value (naturally aligned)
- beq L_Finished
- mov R10, #0
-
-Loop1:
- add R2, R10, R10, LSR #1 @ Work out 3xcachelevel
- mov R12, R6, LSR R2 @ bottom 3 bits are the Cache type for this level
- and R12, R12, #7 @ get those 3 bits alone
- cmp R12, #2
- blt L_Skip @ no cache or only instruction cache at this level
- mcr p15, 2, R10, c0, c0, 0 @ write the Cache Size selection register (CSSELR) // OR in 1 for Instruction
- isb @ isb to sync the change to the CacheSizeID reg
- mrc p15, 1, R12, c0, c0, 0 @ reads current Cache Size ID register (CCSIDR)
- and R2, R12, #0x7 @ extract the line length field
- add R2, R2, #4 @ add 4 for the line length offset (log2 16 bytes)
-@ ldr R4, =0x3FF
- mov R4, #0x400
- sub R4, R4, #1
- ands R4, R4, R12, LSR #3 @ R4 is the max number on the way size (right aligned)
- clz R5, R4 @ R5 is the bit position of the way size increment
-@ ldr R7, =0x00007FFF
- mov R7, #0x00008000
- sub R7, R7, #1
- ands R7, R7, R12, LSR #13 @ R7 is the max number of the index size (right aligned)
-
-Loop2:
- mov R9, R4 @ R9 working copy of the max way size (right aligned)
-
-Loop3:
- orr R0, R10, R9, LSL R5 @ factor in the way number and cache number into R11
- orr R0, R0, R7, LSL R2 @ factor in the index number
-
- blx R1
-
- subs R9, R9, #1 @ decrement the way number
- bge Loop3
- subs R7, R7, #1 @ decrement the index
- bge Loop2
-L_Skip:
- add R10, R10, #2 @ increment the cache number
- cmp R3, R10
- bgt Loop1
-
-L_Finished:
- dsb
- ldmfd SP!, {r4-r12, lr}
- bx LR
-
-ASM_PFX(ArmDataMemoryBarrier):
- dmb
- bx LR
-
-ASM_PFX(ArmDataSyncronizationBarrier):
-ASM_PFX(ArmDrainWriteBuffer):
- dsb
- bx LR
-
-ASM_PFX(ArmInstructionSynchronizationBarrier):
- isb
- bx LR
-
-ASM_PFX(ArmWriteNsacr):
- mcr p15, 0, r0, c1, c1, 2
- bx lr
-
-ASM_PFX(ArmWriteScr):
- mcr p15, 0, r0, c1, c1, 0
- bx lr
-
-ASM_PFX(ArmWriteAuxCr):
- mcr p15, 0, r0, c1, c0, 1
- bx lr
-
-ASM_PFX(ArmReadAuxCr):
- mrc p15, 0, r0, c1, c0, 1
- bx lr
-
-ASM_PFX(ArmWriteVMBar):
- mcr p15, 0, r0, c12, c0, 1
- bx lr
-
-ASM_PFX(ArmWriteVBar):
- # Set the Address of the Vector Table in the VBAR register
- mcr p15, 0, r0, c12, c0, 0
- # Ensure the SCTLR.V bit is clear
- mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR into R0 (Read control register configuration data)
- bic r0, r0, #0x00002000 @ clear V bit
- mcr p15, 0, r0, c1, c0, 0 @ Write R0 into SCTLR (Write control register configuration data)
- isb
- bx lr
-
-ASM_PFX(ArmWriteCPACR):
- mcr p15, 0, r0, c1, c0, 2
- bx lr
-
-ASM_PFX(ArmEnableVFP):
- # Read CPACR (Coprocessor Access Control Register)
- mrc p15, 0, r0, c1, c0, 2
- # Enable VPF access (Full Access to CP10, CP11) (V* instructions)
- orr r0, r0, #0x00f00000
- # Write back CPACR (Coprocessor Access Control Register)
- mcr p15, 0, r0, c1, c0, 2
- # Set EN bit in FPEXC. The Advanced SIMD and VFP extensions are enabled and operate normally.
- mov r0, #0x40000000
- mcr p10,#0x7,r0,c8,c0,#0
- bx lr
-
-ASM_PFX(ArmCallWFI):
- wfi
- bx lr
-
-#Note: Return 0 in Uniprocessor implementation
-ASM_PFX(ArmReadCbar):
- mrc p15, 4, r0, c15, c0, 0 @ Read Configuration Base Address Register
- bx lr
-
-ASM_PFX(ArmInvalidateInstructionAndDataTlb):
- mcr p15, 0, r0, c8, c7, 0 @ Invalidate Inst TLB and Data TLB
- dsb
- bx lr
-
-ASM_PFX(ArmReadMpidr):
- mrc p15, 0, r0, c0, c0, 5 @ read MPIDR
- bx lr
-
-ASM_PFX(ArmReadTpidrurw):
- mrc p15, 0, r0, c13, c0, 2 @ read TPIDRURW
- bx lr
-
-ASM_PFX(ArmWriteTpidrurw):
- mcr p15, 0, r0, c13, c0, 2 @ write TPIDRURW
- bx lr
-
-ASM_FUNCTION_REMOVE_IF_UNREFERENCED
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+# Copyright (c) 2011, ARM Limited. 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
+.align 2
+
+GCC_ASM_EXPORT (ArmInvalidateInstructionCache)
+GCC_ASM_EXPORT (ArmInvalidateDataCacheEntryByMVA)
+GCC_ASM_EXPORT (ArmCleanDataCacheEntryByMVA)
+GCC_ASM_EXPORT (ArmCleanInvalidateDataCacheEntryByMVA)
+GCC_ASM_EXPORT (ArmInvalidateDataCacheEntryBySetWay)
+GCC_ASM_EXPORT (ArmCleanDataCacheEntryBySetWay)
+GCC_ASM_EXPORT (ArmCleanInvalidateDataCacheEntryBySetWay)
+GCC_ASM_EXPORT (ArmDrainWriteBuffer)
+GCC_ASM_EXPORT (ArmEnableMmu)
+GCC_ASM_EXPORT (ArmDisableMmu)
+GCC_ASM_EXPORT (ArmDisableCachesAndMmu)
+GCC_ASM_EXPORT (ArmMmuEnabled)
+GCC_ASM_EXPORT (ArmEnableDataCache)
+GCC_ASM_EXPORT (ArmDisableDataCache)
+GCC_ASM_EXPORT (ArmEnableInstructionCache)
+GCC_ASM_EXPORT (ArmDisableInstructionCache)
+GCC_ASM_EXPORT (ArmEnableSWPInstruction)
+GCC_ASM_EXPORT (ArmEnableBranchPrediction)
+GCC_ASM_EXPORT (ArmDisableBranchPrediction)
+GCC_ASM_EXPORT (ArmSetLowVectors)
+GCC_ASM_EXPORT (ArmSetHighVectors)
+GCC_ASM_EXPORT (ArmV7AllDataCachesOperation)
+GCC_ASM_EXPORT (ArmDataMemoryBarrier)
+GCC_ASM_EXPORT (ArmDataSyncronizationBarrier)
+GCC_ASM_EXPORT (ArmInstructionSynchronizationBarrier)
+GCC_ASM_EXPORT (ArmWriteVBar)
+GCC_ASM_EXPORT (ArmEnableVFP)
+GCC_ASM_EXPORT (ArmCallWFI)
+GCC_ASM_EXPORT (ArmReadCbar)
+GCC_ASM_EXPORT (ArmInvalidateInstructionAndDataTlb)
+GCC_ASM_EXPORT (ArmReadMpidr)
+GCC_ASM_EXPORT (ArmReadTpidrurw)
+GCC_ASM_EXPORT (ArmWriteTpidrurw)
+GCC_ASM_EXPORT (ArmIsArchTimerImplemented)
+GCC_ASM_EXPORT (ArmReadIdPfr1)
+
+.set DC_ON, (0x1<<2)
+.set IC_ON, (0x1<<12)
+.set CTRL_M_BIT, (1 << 0)
+.set CTRL_C_BIT, (1 << 2)
+.set CTRL_B_BIT, (1 << 7)
+.set CTRL_I_BIT, (1 << 12)
+
+
+ASM_PFX(ArmInvalidateDataCacheEntryByMVA):
+ mcr p15, 0, r0, c7, c6, 1 @invalidate single data cache line
+ dsb
+ isb
+ bx lr
+
+ASM_PFX(ArmCleanDataCacheEntryByMVA):
+ mcr p15, 0, r0, c7, c10, 1 @clean single data cache line
+ dsb
+ isb
+ bx lr
+
+
+ASM_PFX(ArmCleanInvalidateDataCacheEntryByMVA):
+ mcr p15, 0, r0, c7, c14, 1 @clean and invalidate single data cache line
+ dsb
+ isb
+ bx lr
+
+
+ASM_PFX(ArmInvalidateDataCacheEntryBySetWay):
+ mcr p15, 0, r0, c7, c6, 2 @ Invalidate this line
+ dsb
+ isb
+ bx lr
+
+
+ASM_PFX(ArmCleanInvalidateDataCacheEntryBySetWay):
+ mcr p15, 0, r0, c7, c14, 2 @ Clean and Invalidate this line
+ dsb
+ isb
+ bx lr
+
+
+ASM_PFX(ArmCleanDataCacheEntryBySetWay):
+ mcr p15, 0, r0, c7, c10, 2 @ Clean this line
+ dsb
+ isb
+ bx lr
+
+ASM_PFX(ArmInvalidateInstructionCache):
+ mcr p15,0,R0,c7,c5,0 @Invalidate entire instruction cache
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmEnableMmu):
+ mrc p15,0,R0,c1,c0,0
+ orr R0,R0,#1
+ mcr p15,0,R0,c1,c0,0
+ dsb
+ isb
+ bx LR
+
+
+ASM_PFX(ArmDisableMmu):
+ mrc p15,0,R0,c1,c0,0
+ bic R0,R0,#1
+ mcr p15,0,R0,c1,c0,0 @Disable MMU
+
+ mcr p15,0,R0,c8,c7,0 @Invalidate TLB
+ mcr p15,0,R0,c7,c5,6 @Invalidate Branch predictor array
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableCachesAndMmu):
+ mrc p15, 0, r0, c1, c0, 0 @ Get control register
+ bic r0, r0, #CTRL_M_BIT @ Disable MMU
+ bic r0, r0, #CTRL_C_BIT @ Disable D Cache
+ bic r0, r0, #CTRL_I_BIT @ Disable I Cache
+ mcr p15, 0, r0, c1, c0, 0 @ Write control register
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmMmuEnabled):
+ mrc p15,0,R0,c1,c0,0
+ and R0,R0,#1
+ bx LR
+
+ASM_PFX(ArmEnableDataCache):
+ ldr R1,=DC_ON
+ mrc p15,0,R0,c1,c0,0 @Read control register configuration data
+ orr R0,R0,R1 @Set C bit
+ mcr p15,0,r0,c1,c0,0 @Write control register configuration data
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableDataCache):
+ ldr R1,=DC_ON
+ mrc p15,0,R0,c1,c0,0 @Read control register configuration data
+ bic R0,R0,R1 @Clear C bit
+ mcr p15,0,r0,c1,c0,0 @Write control register configuration data
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmEnableInstructionCache):
+ ldr R1,=IC_ON
+ mrc p15,0,R0,c1,c0,0 @Read control register configuration data
+ orr R0,R0,R1 @Set I bit
+ mcr p15,0,r0,c1,c0,0 @Write control register configuration data
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableInstructionCache):
+ ldr R1,=IC_ON
+ mrc p15,0,R0,c1,c0,0 @Read control register configuration data
+ bic R0,R0,R1 @Clear I bit.
+ mcr p15,0,r0,c1,c0,0 @Write control register configuration data
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmEnableSWPInstruction):
+ mrc p15, 0, r0, c1, c0, 0
+ orr r0, r0, #0x00000400
+ mcr p15, 0, r0, c1, c0, 0
+ isb
+ bx LR
+
+ASM_PFX(ArmEnableBranchPrediction):
+ mrc p15, 0, r0, c1, c0, 0
+ orr r0, r0, #0x00000800
+ mcr p15, 0, r0, c1, c0, 0
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmDisableBranchPrediction):
+ mrc p15, 0, r0, c1, c0, 0
+ bic r0, r0, #0x00000800
+ mcr p15, 0, r0, c1, c0, 0
+ dsb
+ isb
+ bx LR
+
+ASM_PFX(ArmSetLowVectors):
+ mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR into R0 (Read control register configuration data)
+ bic r0, r0, #0x00002000 @ clear V bit
+ mcr p15, 0, r0, c1, c0, 0 @ Write R0 into SCTLR (Write control register configuration data)
+ isb
+ bx LR
+
+ASM_PFX(ArmSetHighVectors):
+ mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR into R0 (Read control register configuration data)
+ orr r0, r0, #0x00002000 @ clear V bit
+ mcr p15, 0, r0, c1, c0, 0 @ Write R0 into SCTLR (Write control register configuration data)
+ isb
+ bx LR
+
+ASM_PFX(ArmV7AllDataCachesOperation):
+ stmfd SP!,{r4-r12, LR}
+ mov R1, R0 @ Save Function call in R1
+ mrc p15, 1, R6, c0, c0, 1 @ Read CLIDR
+ ands R3, R6, #0x7000000 @ Mask out all but Level of Coherency (LoC)
+ mov R3, R3, LSR #23 @ Cache level value (naturally aligned)
+ beq L_Finished
+ mov R10, #0
+
+Loop1:
+ add R2, R10, R10, LSR #1 @ Work out 3xcachelevel
+ mov R12, R6, LSR R2 @ bottom 3 bits are the Cache type for this level
+ and R12, R12, #7 @ get those 3 bits alone
+ cmp R12, #2
+ blt L_Skip @ no cache or only instruction cache at this level
+ mcr p15, 2, R10, c0, c0, 0 @ write the Cache Size selection register (CSSELR) // OR in 1 for Instruction
+ isb @ isb to sync the change to the CacheSizeID reg
+ mrc p15, 1, R12, c0, c0, 0 @ reads current Cache Size ID register (CCSIDR)
+ and R2, R12, #0x7 @ extract the line length field
+ add R2, R2, #4 @ add 4 for the line length offset (log2 16 bytes)
+@ ldr R4, =0x3FF
+ mov R4, #0x400
+ sub R4, R4, #1
+ ands R4, R4, R12, LSR #3 @ R4 is the max number on the way size (right aligned)
+ clz R5, R4 @ R5 is the bit position of the way size increment
+@ ldr R7, =0x00007FFF
+ mov R7, #0x00008000
+ sub R7, R7, #1
+ ands R7, R7, R12, LSR #13 @ R7 is the max number of the index size (right aligned)
+
+Loop2:
+ mov R9, R4 @ R9 working copy of the max way size (right aligned)
+
+Loop3:
+ orr R0, R10, R9, LSL R5 @ factor in the way number and cache number into R11
+ orr R0, R0, R7, LSL R2 @ factor in the index number
+
+ blx R1
+
+ subs R9, R9, #1 @ decrement the way number
+ bge Loop3
+ subs R7, R7, #1 @ decrement the index
+ bge Loop2
+L_Skip:
+ add R10, R10, #2 @ increment the cache number
+ cmp R3, R10
+ bgt Loop1
+
+L_Finished:
+ dsb
+ ldmfd SP!, {r4-r12, lr}
+ bx LR
+
+ASM_PFX(ArmDataMemoryBarrier):
+ dmb
+ bx LR
+
+ASM_PFX(ArmDataSyncronizationBarrier):
+ASM_PFX(ArmDrainWriteBuffer):
+ dsb
+ bx LR
+
+ASM_PFX(ArmInstructionSynchronizationBarrier):
+ isb
+ bx LR
+
+ASM_PFX(ArmWriteVBar):
+ # Set the Address of the Vector Table in the VBAR register
+ mcr p15, 0, r0, c12, c0, 0
+ # Ensure the SCTLR.V bit is clear
+ mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR into R0 (Read control register configuration data)
+ bic r0, r0, #0x00002000 @ clear V bit
+ mcr p15, 0, r0, c1, c0, 0 @ Write R0 into SCTLR (Write control register configuration data)
+ isb
+ bx lr
+
+ASM_PFX(ArmEnableVFP):
+ # Read CPACR (Coprocessor Access Control Register)
+ mrc p15, 0, r0, c1, c0, 2
+ # Enable VPF access (Full Access to CP10, CP11) (V* instructions)
+ orr r0, r0, #0x00f00000
+ # Write back CPACR (Coprocessor Access Control Register)
+ mcr p15, 0, r0, c1, c0, 2
+ # Set EN bit in FPEXC. The Advanced SIMD and VFP extensions are enabled and operate normally.
+ mov r0, #0x40000000
+ mcr p10,#0x7,r0,c8,c0,#0
+ bx lr
+
+ASM_PFX(ArmCallWFI):
+ wfi
+ bx lr
+
+#Note: Return 0 in Uniprocessor implementation
+ASM_PFX(ArmReadCbar):
+ mrc p15, 4, r0, c15, c0, 0 @ Read Configuration Base Address Register
+ bx lr
+
+ASM_PFX(ArmInvalidateInstructionAndDataTlb):
+ mcr p15, 0, r0, c8, c7, 0 @ Invalidate Inst TLB and Data TLB
+ dsb
+ bx lr
+
+ASM_PFX(ArmReadMpidr):
+ mrc p15, 0, r0, c0, c0, 5 @ read MPIDR
+ bx lr
+
+ASM_PFX(ArmReadTpidrurw):
+ mrc p15, 0, r0, c13, c0, 2 @ read TPIDRURW
+ bx lr
+
+ASM_PFX(ArmWriteTpidrurw):
+ mcr p15, 0, r0, c13, c0, 2 @ write TPIDRURW
+ bx lr
+
+ASM_PFX(ArmIsArchTimerImplemented):
+ mrc p15, 0, r0, c0, c1, 1 @ Read ID_PFR1
+ and r0, r0, #0x000F0000
+ bx lr
+
+ASM_PFX(ArmReadIdPfr1):
+ mrc p15, 0, r0, c0, c1, 1 @ Read ID_PFR1 Register
+ bx lr
+
+ASM_FUNCTION_REMOVE_IF_UNREFERENCED
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
index 62539efd91..fc28b0d922 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
@@ -1,357 +1,334 @@
-//------------------------------------------------------------------------------
-//
-// Copyright (c) 2008 - 2009, Apple Inc. 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.
-//
-//------------------------------------------------------------------------------
-
- EXPORT ArmInvalidateInstructionCache
- EXPORT ArmInvalidateDataCacheEntryByMVA
- EXPORT ArmCleanDataCacheEntryByMVA
- EXPORT ArmCleanInvalidateDataCacheEntryByMVA
- EXPORT ArmInvalidateDataCacheEntryBySetWay
- EXPORT ArmCleanDataCacheEntryBySetWay
- EXPORT ArmCleanInvalidateDataCacheEntryBySetWay
- EXPORT ArmDrainWriteBuffer
- EXPORT ArmEnableMmu
- EXPORT ArmDisableMmu
- EXPORT ArmDisableCachesAndMmu
- EXPORT ArmMmuEnabled
- EXPORT ArmEnableDataCache
- EXPORT ArmDisableDataCache
- EXPORT ArmEnableInstructionCache
- EXPORT ArmDisableInstructionCache
- EXPORT ArmEnableSWPInstruction
- EXPORT ArmEnableBranchPrediction
- EXPORT ArmDisableBranchPrediction
- EXPORT ArmSetLowVectors
- EXPORT ArmSetHighVectors
- EXPORT ArmV7AllDataCachesOperation
- EXPORT ArmDataMemoryBarrier
- EXPORT ArmDataSyncronizationBarrier
- EXPORT ArmInstructionSynchronizationBarrier
- EXPORT ArmWriteNsacr
- EXPORT ArmWriteScr
- EXPORT ArmWriteVMBar
- EXPORT ArmWriteVBar
- EXPORT ArmReadVBar
- EXPORT ArmWriteCPACR
- EXPORT ArmEnableVFP
- EXPORT ArmCallWFI
- EXPORT ArmWriteAuxCr
- EXPORT ArmReadAuxCr
- EXPORT ArmReadCbar
- EXPORT ArmInvalidateInstructionAndDataTlb
- EXPORT ArmReadMpidr
- EXPORT ArmReadTpidrurw
- EXPORT ArmWriteTpidrurw
-
- AREA ArmCacheLib, CODE, READONLY
- PRESERVE8
-
-DC_ON EQU ( 0x1:SHL:2 )
-IC_ON EQU ( 0x1:SHL:12 )
-CTRL_M_BIT EQU (1 << 0)
-CTRL_C_BIT EQU (1 << 2)
-CTRL_B_BIT EQU (1 << 7)
-CTRL_I_BIT EQU (1 << 12)
-
-
-ArmInvalidateDataCacheEntryByMVA
- mcr p15, 0, r0, c7, c6, 1 ; invalidate single data cache line
- dsb
- isb
- bx lr
-
-
-ArmCleanDataCacheEntryByMVA
- mcr p15, 0, r0, c7, c10, 1 ; clean single data cache line
- dsb
- isb
- bx lr
-
-
-ArmCleanInvalidateDataCacheEntryByMVA
- mcr p15, 0, r0, c7, c14, 1 ; clean and invalidate single data cache line
- dsb
- isb
- bx lr
-
-
-ArmInvalidateDataCacheEntryBySetWay
- mcr p15, 0, r0, c7, c6, 2 ; Invalidate this line
- dsb
- isb
- bx lr
-
-
-ArmCleanInvalidateDataCacheEntryBySetWay
- mcr p15, 0, r0, c7, c14, 2 ; Clean and Invalidate this line
- dsb
- isb
- bx lr
-
-
-ArmCleanDataCacheEntryBySetWay
- mcr p15, 0, r0, c7, c10, 2 ; Clean this line
- dsb
- isb
- bx lr
-
-
-ArmInvalidateInstructionCache
- mcr p15,0,R0,c7,c5,0 ;Invalidate entire instruction cache
- isb
- bx LR
-
-ArmEnableMmu
- mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
- orr R0,R0,#1 ; Set SCTLR.M bit : Enable MMU
- mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
- dsb
- isb
- bx LR
-
-ArmMmuEnabled
- mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
- and R0,R0,#1
- bx LR
-
-ArmDisableMmu
- mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
- bic R0,R0,#1 ; Clear SCTLR.M bit : Disable MMU
- mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
-
- mcr p15,0,R0,c8,c7,0 ; TLBIALL : Invalidate unified TLB
- mcr p15,0,R0,c7,c5,6 ; BPIALL : Invalidate entire branch predictor array
- dsb
- isb
- bx LR
-
-ArmDisableCachesAndMmu
- mrc p15, 0, r0, c1, c0, 0 ; Get control register
- bic r0, r0, #CTRL_M_BIT ; Disable MMU
- bic r0, r0, #CTRL_C_BIT ; Disable D Cache
- bic r0, r0, #CTRL_I_BIT ; Disable I Cache
- mcr p15, 0, r0, c1, c0, 0 ; Write control register
- dsb
- isb
- bx LR
-
-ArmEnableDataCache
- ldr R1,=DC_ON ; Specify SCTLR.C bit : (Data) Cache enable bit
- mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
- orr R0,R0,R1 ; Set SCTLR.C bit : Data and unified caches enabled
- mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
- dsb
- isb
- bx LR
-
-ArmDisableDataCache
- ldr R1,=DC_ON ; Specify SCTLR.C bit : (Data) Cache enable bit
- mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
- bic R0,R0,R1 ; Clear SCTLR.C bit : Data and unified caches disabled
- mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ArmEnableInstructionCache
- ldr R1,=IC_ON ; Specify SCTLR.I bit : Instruction cache enable bit
- mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
- orr R0,R0,R1 ; Set SCTLR.I bit : Instruction caches enabled
- mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
- dsb
- isb
- bx LR
-
-ArmDisableInstructionCache
- ldr R1,=IC_ON ; Specify SCTLR.I bit : Instruction cache enable bit
- mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
- BIC R0,R0,R1 ; Clear SCTLR.I bit : Instruction caches disabled
- mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ArmEnableSWPInstruction
- mrc p15, 0, r0, c1, c0, 0
- orr r0, r0, #0x00000400
- mcr p15, 0, r0, c1, c0, 0
- isb
- bx LR
-
-ArmEnableBranchPrediction
- mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
- orr r0, r0, #0x00000800 ;
- mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ArmDisableBranchPrediction
- mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
- bic r0, r0, #0x00000800 ;
- mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ArmSetLowVectors
- mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
- bic r0, r0, #0x00002000 ; clear V bit
- mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ArmSetHighVectors
- mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
- orr r0, r0, #0x00002000 ; clear V bit
- mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
- isb
- bx LR
-
-ArmV7AllDataCachesOperation
- stmfd SP!,{r4-r12, LR}
- mov R1, R0 ; Save Function call in R1
- mrc p15, 1, R6, c0, c0, 1 ; Read CLIDR
- ands R3, R6, #&7000000 ; Mask out all but Level of Coherency (LoC)
- mov R3, R3, LSR #23 ; Cache level value (naturally aligned)
- beq Finished
- mov R10, #0
-
-Loop1
- add R2, R10, R10, LSR #1 ; Work out 3xcachelevel
- mov R12, R6, LSR R2 ; bottom 3 bits are the Cache type for this level
- and R12, R12, #7 ; get those 3 bits alone
- cmp R12, #2
- blt Skip ; no cache or only instruction cache at this level
- mcr p15, 2, R10, c0, c0, 0 ; write the Cache Size selection register (CSSELR) // OR in 1 for Instruction
- isb ; isb to sync the change to the CacheSizeID reg
- mrc p15, 1, R12, c0, c0, 0 ; reads current Cache Size ID register (CCSIDR)
- and R2, R12, #&7 ; extract the line length field
- add R2, R2, #4 ; add 4 for the line length offset (log2 16 bytes)
- ldr R4, =0x3FF
- ands R4, R4, R12, LSR #3 ; R4 is the max number on the way size (right aligned)
- clz R5, R4 ; R5 is the bit position of the way size increment
- ldr R7, =0x00007FFF
- ands R7, R7, R12, LSR #13 ; R7 is the max number of the index size (right aligned)
-
-Loop2
- mov R9, R4 ; R9 working copy of the max way size (right aligned)
-
-Loop3
- orr R0, R10, R9, LSL R5 ; factor in the way number and cache number into R11
- orr R0, R0, R7, LSL R2 ; factor in the index number
-
- blx R1
-
- subs R9, R9, #1 ; decrement the way number
- bge Loop3
- subs R7, R7, #1 ; decrement the index
- bge Loop2
-Skip
- add R10, R10, #2 ; increment the cache number
- cmp R3, R10
- bgt Loop1
-
-Finished
- dsb
- ldmfd SP!, {r4-r12, lr}
- bx LR
-
-
-ArmDataMemoryBarrier
- dmb
- bx LR
-
-ArmDataSyncronizationBarrier
-ArmDrainWriteBuffer
- dsb
- bx LR
-
-ArmInstructionSynchronizationBarrier
- isb
- bx LR
-
-ArmWriteNsacr
- mcr p15, 0, r0, c1, c1, 2
- bx lr
-
-ArmWriteScr
- mcr p15, 0, r0, c1, c1, 0
- bx lr
-
-ArmWriteAuxCr
- mcr p15, 0, r0, c1, c0, 1
- bx lr
-
-ArmReadAuxCr
- mrc p15, 0, r0, c1, c0, 1
- bx lr
-
-ArmWriteVMBar
- mcr p15, 0, r0, c12, c0, 1
- bx lr
-
-ArmWriteVBar
- // Set the Address of the Vector Table in the VBAR register
- mcr p15, 0, r0, c12, c0, 0
- // Ensure the SCTLR.V bit is clear
- mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
- bic r0, r0, #0x00002000 ; clear V bit
- mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
- isb
- bx lr
-
-ArmReadVBar
- mrc p15, 0, r0, c12, c0, 0
- bx lr
-
-ArmWriteCPACR
- mcr p15, 0, r0, c1, c0, 2
- bx lr
-
-ArmEnableVFP
- // Read CPACR (Coprocessor Access Control Register)
- mrc p15, 0, r0, c1, c0, 2
- // Enable VPF access (Full Access to CP10, CP11) (V* instructions)
- orr r0, r0, #0x00f00000
- // Write back CPACR (Coprocessor Access Control Register)
- mcr p15, 0, r0, c1, c0, 2
- // Set EN bit in FPEXC. The Advanced SIMD and VFP extensions are enabled and operate normally.
- mov r0, #0x40000000
- mcr p10,#0x7,r0,c8,c0,#0
- bx lr
-
-ArmCallWFI
- wfi
- bx lr
-
-//Note: Return 0 in Uniprocessor implementation
-ArmReadCbar
- mrc p15, 4, r0, c15, c0, 0 //Read Configuration Base Address Register
- bx lr
-
-ArmInvalidateInstructionAndDataTlb
- mcr p15, 0, r0, c8, c7, 0 ; Invalidate Inst TLB and Data TLB
- dsb
- bx lr
-
-ArmReadMpidr
- mrc p15, 0, r0, c0, c0, 5 ; read MPIDR
- bx lr
-
-ArmReadTpidrurw
- mrc p15, 0, r0, c13, c0, 2 ; read TPIDRURW
- bx lr
-
-ArmWriteTpidrurw
- mcr p15, 0, r0, c13, c0, 2 ; write TPIDRURW
- bx lr
-
- END
-
+//------------------------------------------------------------------------------
+//
+// Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+// Copyright (c) 2011, ARM Limited. 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 ArmInvalidateInstructionCache
+ EXPORT ArmInvalidateDataCacheEntryByMVA
+ EXPORT ArmCleanDataCacheEntryByMVA
+ EXPORT ArmCleanInvalidateDataCacheEntryByMVA
+ EXPORT ArmInvalidateDataCacheEntryBySetWay
+ EXPORT ArmCleanDataCacheEntryBySetWay
+ EXPORT ArmCleanInvalidateDataCacheEntryBySetWay
+ EXPORT ArmDrainWriteBuffer
+ EXPORT ArmEnableMmu
+ EXPORT ArmDisableMmu
+ EXPORT ArmDisableCachesAndMmu
+ EXPORT ArmMmuEnabled
+ EXPORT ArmEnableDataCache
+ EXPORT ArmDisableDataCache
+ EXPORT ArmEnableInstructionCache
+ EXPORT ArmDisableInstructionCache
+ EXPORT ArmEnableSWPInstruction
+ EXPORT ArmEnableBranchPrediction
+ EXPORT ArmDisableBranchPrediction
+ EXPORT ArmSetLowVectors
+ EXPORT ArmSetHighVectors
+ EXPORT ArmV7AllDataCachesOperation
+ EXPORT ArmDataMemoryBarrier
+ EXPORT ArmDataSyncronizationBarrier
+ EXPORT ArmInstructionSynchronizationBarrier
+ EXPORT ArmWriteVBar
+ EXPORT ArmEnableVFP
+ EXPORT ArmCallWFI
+ EXPORT ArmReadCbar
+ EXPORT ArmInvalidateInstructionAndDataTlb
+ EXPORT ArmReadMpidr
+ EXPORT ArmReadTpidrurw
+ EXPORT ArmWriteTpidrurw
+ EXPORT ArmIsArchTimerImplemented
+ EXPORT ArmReadIdPfr1
+
+ AREA ArmV7Support, CODE, READONLY
+ PRESERVE8
+
+DC_ON EQU ( 0x1:SHL:2 )
+IC_ON EQU ( 0x1:SHL:12 )
+CTRL_M_BIT EQU (1 << 0)
+CTRL_C_BIT EQU (1 << 2)
+CTRL_B_BIT EQU (1 << 7)
+CTRL_I_BIT EQU (1 << 12)
+
+
+ArmInvalidateDataCacheEntryByMVA
+ mcr p15, 0, r0, c7, c6, 1 ; invalidate single data cache line
+ dsb
+ isb
+ bx lr
+
+ArmCleanDataCacheEntryByMVA
+ mcr p15, 0, r0, c7, c10, 1 ; clean single data cache line
+ dsb
+ isb
+ bx lr
+
+
+ArmCleanInvalidateDataCacheEntryByMVA
+ mcr p15, 0, r0, c7, c14, 1 ; clean and invalidate single data cache line
+ dsb
+ isb
+ bx lr
+
+
+ArmInvalidateDataCacheEntryBySetWay
+ mcr p15, 0, r0, c7, c6, 2 ; Invalidate this line
+ dsb
+ isb
+ bx lr
+
+
+ArmCleanInvalidateDataCacheEntryBySetWay
+ mcr p15, 0, r0, c7, c14, 2 ; Clean and Invalidate this line
+ dsb
+ isb
+ bx lr
+
+
+ArmCleanDataCacheEntryBySetWay
+ mcr p15, 0, r0, c7, c10, 2 ; Clean this line
+ dsb
+ isb
+ bx lr
+
+
+ArmInvalidateInstructionCache
+ mcr p15,0,R0,c7,c5,0 ;Invalidate entire instruction cache
+ isb
+ bx LR
+
+ArmEnableMmu
+ mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
+ orr R0,R0,#1 ; Set SCTLR.M bit : Enable MMU
+ mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
+ dsb
+ isb
+ bx LR
+
+ArmDisableMmu
+ mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
+ bic R0,R0,#1 ; Clear SCTLR.M bit : Disable MMU
+ mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
+
+ mcr p15,0,R0,c8,c7,0 ; TLBIALL : Invalidate unified TLB
+ mcr p15,0,R0,c7,c5,6 ; BPIALL : Invalidate entire branch predictor array
+ dsb
+ isb
+ bx LR
+
+ArmDisableCachesAndMmu
+ mrc p15, 0, r0, c1, c0, 0 ; Get control register
+ bic r0, r0, #CTRL_M_BIT ; Disable MMU
+ bic r0, r0, #CTRL_C_BIT ; Disable D Cache
+ bic r0, r0, #CTRL_I_BIT ; Disable I Cache
+ mcr p15, 0, r0, c1, c0, 0 ; Write control register
+ dsb
+ isb
+ bx LR
+
+ArmMmuEnabled
+ mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
+ and R0,R0,#1
+ bx LR
+
+ArmEnableDataCache
+ ldr R1,=DC_ON ; Specify SCTLR.C bit : (Data) Cache enable bit
+ mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
+ orr R0,R0,R1 ; Set SCTLR.C bit : Data and unified caches enabled
+ mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
+ dsb
+ isb
+ bx LR
+
+ArmDisableDataCache
+ ldr R1,=DC_ON ; Specify SCTLR.C bit : (Data) Cache enable bit
+ mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
+ bic R0,R0,R1 ; Clear SCTLR.C bit : Data and unified caches disabled
+ mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
+ dsb
+ isb
+ bx LR
+
+ArmEnableInstructionCache
+ ldr R1,=IC_ON ; Specify SCTLR.I bit : Instruction cache enable bit
+ mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
+ orr R0,R0,R1 ; Set SCTLR.I bit : Instruction caches enabled
+ mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
+ dsb
+ isb
+ bx LR
+
+ArmDisableInstructionCache
+ ldr R1,=IC_ON ; Specify SCTLR.I bit : Instruction cache enable bit
+ mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data)
+ BIC R0,R0,R1 ; Clear SCTLR.I bit : Instruction caches disabled
+ mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data)
+ isb
+ bx LR
+
+ArmEnableSWPInstruction
+ mrc p15, 0, r0, c1, c0, 0
+ orr r0, r0, #0x00000400
+ mcr p15, 0, r0, c1, c0, 0
+ isb
+ bx LR
+
+ArmEnableBranchPrediction
+ mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
+ orr r0, r0, #0x00000800 ;
+ mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
+ dsb
+ isb
+ bx LR
+
+ArmDisableBranchPrediction
+ mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
+ bic r0, r0, #0x00000800 ;
+ mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
+ dsb
+ isb
+ bx LR
+
+ArmSetLowVectors
+ mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
+ bic r0, r0, #0x00002000 ; clear V bit
+ mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
+ isb
+ bx LR
+
+ArmSetHighVectors
+ mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
+ orr r0, r0, #0x00002000 ; clear V bit
+ mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
+ isb
+ bx LR
+
+ArmV7AllDataCachesOperation
+ stmfd SP!,{r4-r12, LR}
+ mov R1, R0 ; Save Function call in R1
+ mrc p15, 1, R6, c0, c0, 1 ; Read CLIDR
+ ands R3, R6, #&7000000 ; Mask out all but Level of Coherency (LoC)
+ mov R3, R3, LSR #23 ; Cache level value (naturally aligned)
+ beq Finished
+ mov R10, #0
+
+Loop1
+ add R2, R10, R10, LSR #1 ; Work out 3xcachelevel
+ mov R12, R6, LSR R2 ; bottom 3 bits are the Cache type for this level
+ and R12, R12, #7 ; get those 3 bits alone
+ cmp R12, #2
+ blt Skip ; no cache or only instruction cache at this level
+ mcr p15, 2, R10, c0, c0, 0 ; write the Cache Size selection register (CSSELR) // OR in 1 for Instruction
+ isb ; isb to sync the change to the CacheSizeID reg
+ mrc p15, 1, R12, c0, c0, 0 ; reads current Cache Size ID register (CCSIDR)
+ and R2, R12, #&7 ; extract the line length field
+ add R2, R2, #4 ; add 4 for the line length offset (log2 16 bytes)
+ ldr R4, =0x3FF
+ ands R4, R4, R12, LSR #3 ; R4 is the max number on the way size (right aligned)
+ clz R5, R4 ; R5 is the bit position of the way size increment
+ ldr R7, =0x00007FFF
+ ands R7, R7, R12, LSR #13 ; R7 is the max number of the index size (right aligned)
+
+Loop2
+ mov R9, R4 ; R9 working copy of the max way size (right aligned)
+
+Loop3
+ orr R0, R10, R9, LSL R5 ; factor in the way number and cache number into R11
+ orr R0, R0, R7, LSL R2 ; factor in the index number
+
+ blx R1
+
+ subs R9, R9, #1 ; decrement the way number
+ bge Loop3
+ subs R7, R7, #1 ; decrement the index
+ bge Loop2
+Skip
+ add R10, R10, #2 ; increment the cache number
+ cmp R3, R10
+ bgt Loop1
+
+Finished
+ dsb
+ ldmfd SP!, {r4-r12, lr}
+ bx LR
+
+ArmDataMemoryBarrier
+ dmb
+ bx LR
+
+ArmDataSyncronizationBarrier
+ArmDrainWriteBuffer
+ dsb
+ bx LR
+
+ArmInstructionSynchronizationBarrier
+ isb
+ bx LR
+
+ArmWriteVBar
+ // Set the Address of the Vector Table in the VBAR register
+ mcr p15, 0, r0, c12, c0, 0
+ // Ensure the SCTLR.V bit is clear
+ mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data)
+ bic r0, r0, #0x00002000 ; clear V bit
+ mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data)
+ isb
+ bx lr
+
+ArmEnableVFP
+ // Read CPACR (Coprocessor Access Control Register)
+ mrc p15, 0, r0, c1, c0, 2
+ // Enable VPF access (Full Access to CP10, CP11) (V* instructions)
+ orr r0, r0, #0x00f00000
+ // Write back CPACR (Coprocessor Access Control Register)
+ mcr p15, 0, r0, c1, c0, 2
+ // Set EN bit in FPEXC. The Advanced SIMD and VFP extensions are enabled and operate normally.
+ mov r0, #0x40000000
+ mcr p10,#0x7,r0,c8,c0,#0
+ bx lr
+
+ArmCallWFI
+ wfi
+ bx lr
+
+//Note: Return 0 in Uniprocessor implementation
+ArmReadCbar
+ mrc p15, 4, r0, c15, c0, 0 //Read Configuration Base Address Register
+ bx lr
+
+ArmInvalidateInstructionAndDataTlb
+ mcr p15, 0, r0, c8, c7, 0 ; Invalidate Inst TLB and Data TLB
+ dsb
+ bx lr
+
+ArmReadMpidr
+ mrc p15, 0, r0, c0, c0, 5 ; read MPIDR
+ bx lr
+
+ArmReadTpidrurw
+ mrc p15, 0, r0, c13, c0, 2 ; read TPIDRURW
+ bx lr
+
+ArmWriteTpidrurw
+ mcr p15, 0, r0, c13, c0, 2 ; write TPIDRURW
+ bx lr
+
+ArmIsArchTimerImplemented
+ mrc p15, 0, r0, c0, c1, 1 ; Read ID_PFR1
+ and r0, r0, #0x000F0000
+ bx lr
+
+ArmReadIdPfr1
+ mrc p15, 0, r0, c0, c1, 1 ; Read ID_PFR1 Register
+ bx lr
+
+ END
diff --git a/ArmPkg/Library/ArmLib/Common/ArmLib.c b/ArmPkg/Library/ArmLib/Common/ArmLib.c
index 2a2c4e86fd..ae1b785608 100644
--- a/ArmPkg/Library/ArmLib/Common/ArmLib.c
+++ b/ArmPkg/Library/ArmLib/Common/ArmLib.c
@@ -58,3 +58,15 @@ ArmProcessorMode (
{
return (ARM_PROCESSOR_MODE)(CPSRRead() & (UINT32)ARM_PROCESSOR_MODE_MASK);
}
+
+VOID
+EFIAPI
+ArmSetAuxCrBit (
+ IN UINT32 Bits
+ )
+{
+ UINT32 val = ArmReadAuxCr();
+ val |= Bits;
+ ArmWriteAuxCr(val);
+}
+
diff --git a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S
index 29ccf6dceb..edd94d2995 100644
--- a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S
+++ b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S
@@ -1,124 +1,148 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2008 - 2009, Apple Inc. 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.
-#
-#------------------------------------------------------------------------------
-
-#include <AsmMacroIoLib.h>
-
-.text
-.align 2
-GCC_ASM_EXPORT(Cp15IdCode)
-GCC_ASM_EXPORT(Cp15CacheInfo)
-GCC_ASM_EXPORT(ArmEnableInterrupts)
-GCC_ASM_EXPORT(ArmDisableInterrupts)
-GCC_ASM_EXPORT(ArmGetInterruptState)
-GCC_ASM_EXPORT(ArmEnableFiq)
-GCC_ASM_EXPORT(ArmDisableFiq)
-GCC_ASM_EXPORT(ArmGetFiqState)
-GCC_ASM_EXPORT(ArmInvalidateTlb)
-GCC_ASM_EXPORT(ArmSetTTBR0)
-GCC_ASM_EXPORT(ArmGetTTBR0BaseAddress)
-GCC_ASM_EXPORT(ArmSetDomainAccessControl)
-GCC_ASM_EXPORT(CPSRMaskInsert)
-GCC_ASM_EXPORT(CPSRRead)
-
-#------------------------------------------------------------------------------
-
-ASM_PFX(Cp15IdCode):
- mrc p15,0,R0,c0,c0,0
- bx LR
-
-ASM_PFX(Cp15CacheInfo):
- mrc p15,0,R0,c0,c0,1
- bx LR
-
-ASM_PFX(ArmEnableInterrupts):
- mrs R0,CPSR
- bic R0,R0,#0x80 @Enable IRQ interrupts
- msr CPSR_c,R0
- bx LR
-
-ASM_PFX(ArmDisableInterrupts):
- mrs R0,CPSR
- orr R1,R0,#0x80 @Disable IRQ interrupts
- msr CPSR_c,R1
- tst R0,#0x80
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ASM_PFX(ArmGetInterruptState):
- mrs R0,CPSR
- tst R0,#0x80 @Check if IRQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ASM_PFX(ArmEnableFiq):
- mrs R0,CPSR
- bic R0,R0,#0x40 @Enable FIQ interrupts
- msr CPSR_c,R0
- bx LR
-
-ASM_PFX(ArmDisableFiq):
- mrs R0,CPSR
- orr R1,R0,#0x40 @Disable FIQ interrupts
- msr CPSR_c,R1
- tst R0,#0x80
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ASM_PFX(ArmGetFiqState):
- mrs R0,CPSR
- tst R0,#0x80 @Check if FIQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ASM_PFX(ArmInvalidateTlb):
- mov r0,#0
- mcr p15,0,r0,c8,c7,0
- bx lr
-
-ASM_PFX(ArmSetTTBR0):
- mcr p15,0,r0,c2,c0,0
- bx lr
-
-ASM_PFX(ArmGetTTBR0BaseAddress):
- mrc p15,0,r0,c2,c0,0
- LoadConstantToReg(0xFFFFC000, r1) @ and r0, r0, #0xFFFFC000
- and r0, r0, r1
- bx lr
-
-
-ASM_PFX(ArmSetDomainAccessControl):
- mcr p15,0,r0,c3,c0,0
- bx lr
-
-ASM_PFX(CPSRMaskInsert): @ on entry, r0 is the mask and r1 is the field to insert
- stmfd sp!, {r4-r12, lr} @ save all the banked registers
- mov r3, sp @ copy the stack pointer into a non-banked register
- mrs r2, cpsr @ read the cpsr
- bic r2, r2, r0 @ clear mask in the cpsr
- and r1, r1, r0 @ clear bits outside the mask in the input
- orr r2, r2, r1 @ set field
- msr cpsr_cxsf, r2 @ write back cpsr (may have caused a mode switch)
- mov sp, r3 @ restore stack pointer
- ldmfd sp!, {r4-r12, lr} @ restore registers
- bx lr @ return (hopefully thumb-safe!)
-
-ASM_PFX(CPSRRead):
- mrs r0, cpsr
- bx lr
-
-ASM_FUNCTION_REMOVE_IF_UNREFERENCED
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+# Copyright (c) 2011, ARM Limited. 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.
+#
+#------------------------------------------------------------------------------
+
+#include <AsmMacroIoLib.h>
+
+#ifdef ARM_CPU_ARMv6
+// No memory barriers for ARMv6
+#define isb
+#define dsb
+#endif
+
+.text
+.align 2
+GCC_ASM_EXPORT(Cp15IdCode)
+GCC_ASM_EXPORT(Cp15CacheInfo)
+GCC_ASM_EXPORT(ArmGetInterruptState)
+GCC_ASM_EXPORT(ArmGetFiqState)
+GCC_ASM_EXPORT(ArmGetTTBR0BaseAddress)
+GCC_ASM_EXPORT(ArmSetTTBR0)
+GCC_ASM_EXPORT(ArmSetDomainAccessControl)
+GCC_ASM_EXPORT(CPSRMaskInsert)
+GCC_ASM_EXPORT(CPSRRead)
+GCC_ASM_EXPORT(ArmWriteCPACR)
+GCC_ASM_EXPORT(ArmWriteAuxCr)
+GCC_ASM_EXPORT(ArmReadAuxCr)
+GCC_ASM_EXPORT(ArmInvalidateTlb)
+GCC_ASM_EXPORT(ArmUpdateTranslationTableEntry)
+GCC_ASM_EXPORT(ArmWriteNsacr)
+GCC_ASM_EXPORT(ArmWriteScr)
+GCC_ASM_EXPORT(ArmWriteVMBar)
+
+#------------------------------------------------------------------------------
+
+ASM_PFX(Cp15IdCode):
+ mrc p15,0,R0,c0,c0,0
+ bx LR
+
+ASM_PFX(Cp15CacheInfo):
+ mrc p15,0,R0,c0,c0,1
+ bx LR
+
+ASM_PFX(ArmGetInterruptState):
+ mrs R0,CPSR
+ tst R0,#0x80 @Check if IRQ is enabled.
+ moveq R0,#1
+ movne R0,#0
+ bx LR
+
+ASM_PFX(ArmGetFiqState):
+ mrs R0,CPSR
+ tst R0,#0x40 @Check if FIQ is enabled.
+ moveq R0,#1
+ movne R0,#0
+ bx LR
+
+ASM_PFX(ArmSetDomainAccessControl):
+ mcr p15,0,r0,c3,c0,0
+ bx lr
+
+ASM_PFX(CPSRMaskInsert): @ on entry, r0 is the mask and r1 is the field to insert
+ stmfd sp!, {r4-r12, lr} @ save all the banked registers
+ mov r3, sp @ copy the stack pointer into a non-banked register
+ mrs r2, cpsr @ read the cpsr
+ bic r2, r2, r0 @ clear mask in the cpsr
+ and r1, r1, r0 @ clear bits outside the mask in the input
+ orr r2, r2, r1 @ set field
+ msr cpsr_cxsf, r2 @ write back cpsr (may have caused a mode switch)
+ isb
+ mov sp, r3 @ restore stack pointer
+ ldmfd sp!, {r4-r12, lr} @ restore registers
+ bx lr @ return (hopefully thumb-safe!) @ return (hopefully thumb-safe!)
+
+ASM_PFX(CPSRRead):
+ mrs r0, cpsr
+ bx lr
+
+ASM_PFX(ArmWriteCPACR):
+ mcr p15, 0, r0, c1, c0, 2
+ bx lr
+
+ASM_PFX(ArmWriteAuxCr):
+ mcr p15, 0, r0, c1, c0, 1
+ bx lr
+
+ASM_PFX(ArmReadAuxCr):
+ mrc p15, 0, r0, c1, c0, 1
+ bx lr
+
+ASM_PFX(ArmSetTTBR0):
+ mcr p15,0,r0,c2,c0,0
+ isb
+ bx lr
+
+ASM_PFX(ArmGetTTBR0BaseAddress):
+ mrc p15,0,r0,c2,c0,0
+ LoadConstantToReg(0xFFFFC000, r1)
+ and r0, r0, r1
+ isb
+ bx lr
+
+//
+//VOID
+//ArmUpdateTranslationTableEntry (
+// IN VOID *TranslationTableEntry // R0
+// IN VOID *MVA // R1
+// );
+ASM_PFX(ArmUpdateTranslationTableEntry):
+ mcr p15,0,R0,c7,c14,1 @ DCCIMVAC Clean data cache by MVA
+ dsb
+ mcr p15,0,R1,c8,c7,1 @ TLBIMVA TLB Invalidate MVA
+ mcr p15,0,R9,c7,c5,6 @ BPIALL Invalidate Branch predictor array. R9 == NoOp
+ dsb
+ isb
+ bx lr
+
+ASM_PFX(ArmInvalidateTlb):
+ mov r0,#0
+ mcr p15,0,r0,c8,c7,0
+ mcr p15,0,R9,c7,c5,6 @ BPIALL Invalidate Branch predictor array. R9 == NoOp
+ dsb
+ isb
+ bx lr
+
+ASM_PFX(ArmWriteNsacr):
+ mcr p15, 0, r0, c1, c1, 2
+ bx lr
+
+ASM_PFX(ArmWriteScr):
+ mcr p15, 0, r0, c1, c1, 0
+ bx lr
+
+ASM_PFX(ArmWriteVMBar):
+ mcr p15, 0, r0, c12, c0, 1
+ bx lr
+
+ASM_FUNCTION_REMOVE_IF_UNREFERENCED
diff --git a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm
index 850bb9691c..3f603873f3 100644
--- a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm
+++ b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm
@@ -1,134 +1,148 @@
-//------------------------------------------------------------------------------
-//
-// Copyright (c) 2008 - 2009, Apple Inc. 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.
-//
-//------------------------------------------------------------------------------
-
-#include <AsmMacroIoLib.h>
-
- INCLUDE AsmMacroIoLib.inc
-
- EXPORT Cp15IdCode
- EXPORT Cp15CacheInfo
- EXPORT ArmIsMPCore
- EXPORT ArmEnableInterrupts
- EXPORT ArmDisableInterrupts
- EXPORT ArmGetInterruptState
- EXPORT ArmEnableFiq
- EXPORT ArmDisableFiq
- EXPORT ArmGetFiqState
- EXPORT ArmInvalidateTlb
- EXPORT ArmSetTTBR0
- EXPORT ArmGetTTBR0BaseAddress
- EXPORT ArmSetDomainAccessControl
- EXPORT CPSRMaskInsert
- EXPORT CPSRRead
-
- AREA ArmLibSupport, CODE, READONLY
-
-Cp15IdCode
- mrc p15,0,R0,c0,c0,0
- bx LR
-
-Cp15CacheInfo
- mrc p15,0,R0,c0,c0,1
- bx LR
-
-ArmIsMPCore
- mrc p15,0,R0,c0,c0,5
- // Get Multiprocessing extension (bit31) & U bit (bit30)
- and R0, R0, #0xC0000000
- // if bit30 == 0 then the processor is part of a multiprocessor system)
- and R0, R0, #0x80000000
- bx LR
-
-ArmEnableInterrupts
- mrs R0,CPSR
- bic R0,R0,#0x80 ;Enable IRQ interrupts
- msr CPSR_c,R0
- bx LR
-
-ArmDisableInterrupts
- mrs R0,CPSR
- orr R1,R0,#0x80 ;Disable IRQ interrupts
- msr CPSR_c,R1
- tst R0,#0x80
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ArmGetInterruptState
- mrs R0,CPSR
- tst R0,#0x80 ;Check if IRQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ArmEnableFiq
- mrs R0,CPSR
- bic R0,R0,#0x40 ;Enable IRQ interrupts
- msr CPSR_c,R0
- bx LR
-
-ArmDisableFiq
- mrs R0,CPSR
- orr R1,R0,#0x40 ;Disable IRQ interrupts
- msr CPSR_c,R1
- tst R0,#0x40
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ArmGetFiqState
- mrs R0,CPSR
- tst R0,#0x40 ;Check if IRQ is enabled.
- moveq R0,#1
- movne R0,#0
- bx LR
-
-ArmInvalidateTlb
- mov r0,#0
- mcr p15,0,r0,c8,c7,0
- bx lr
-
-ArmSetTTBR0
- mcr p15,0,r0,c2,c0,0
- bx lr
-
-ArmGetTTBR0BaseAddress
- mrc p15,0,r0,c2,c0,0
- LoadConstantToReg(0xFFFFC000,r1) // and r0, r0, #0xFFFFC000
- and r0, r0, r1
- bx lr
-
-ArmSetDomainAccessControl
- mcr p15,0,r0,c3,c0,0
- bx lr
-
-CPSRMaskInsert ; on entry, r0 is the mask and r1 is the field to insert
- stmfd sp!, {r4-r12, lr} ; save all the banked registers
- mov r3, sp ; copy the stack pointer into a non-banked register
- mrs r2, cpsr ; read the cpsr
- bic r2, r2, r0 ; clear mask in the cpsr
- and r1, r1, r0 ; clear bits outside the mask in the input
- orr r2, r2, r1 ; set field
- msr cpsr_cxsf, r2 ; write back cpsr (may have caused a mode switch)
- mov sp, r3 ; restore stack pointer
- ldmfd sp!, {r4-r12, lr} ; restore registers
- bx lr ; return (hopefully thumb-safe!)
-
-CPSRRead
- mrs r0, cpsr
- bx lr
-
- END
-
-
+//------------------------------------------------------------------------------
+//
+// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+// Copyright (c) 2011, ARM Limited. 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.
+//
+//------------------------------------------------------------------------------
+
+#include <AsmMacroIoLib.h>
+
+ INCLUDE AsmMacroIoLib.inc
+
+#ifdef ARM_CPU_ARMv6
+// No memory barriers for ARMv6
+#define isb
+#define dsb
+#endif
+
+ EXPORT Cp15IdCode
+ EXPORT Cp15CacheInfo
+ EXPORT ArmGetInterruptState
+ EXPORT ArmGetFiqState
+ EXPORT ArmGetTTBR0BaseAddress
+ EXPORT ArmSetTTBR0
+ EXPORT ArmSetDomainAccessControl
+ EXPORT CPSRMaskInsert
+ EXPORT CPSRRead
+ EXPORT ArmWriteCPACR
+ EXPORT ArmWriteAuxCr
+ EXPORT ArmReadAuxCr
+ EXPORT ArmInvalidateTlb
+ EXPORT ArmUpdateTranslationTableEntry
+ EXPORT ArmWriteNsacr
+ EXPORT ArmWriteScr
+ EXPORT ArmWriteVMBar
+
+ AREA ArmLibSupport, CODE, READONLY
+
+Cp15IdCode
+ mrc p15,0,R0,c0,c0,0
+ bx LR
+
+Cp15CacheInfo
+ mrc p15,0,R0,c0,c0,1
+ bx LR
+
+ArmGetInterruptState
+ mrs R0,CPSR
+ tst R0,#0x80 // Check if IRQ is enabled.
+ moveq R0,#1
+ movne R0,#0
+ bx LR
+
+ArmGetFiqState
+ mrs R0,CPSR
+ tst R0,#0x40 // Check if FIQ is enabled.
+ moveq R0,#1
+ movne R0,#0
+ bx LR
+
+ArmSetDomainAccessControl
+ mcr p15,0,r0,c3,c0,0
+ bx lr
+
+CPSRMaskInsert // on entry, r0 is the mask and r1 is the field to insert
+ stmfd sp!, {r4-r12, lr} // save all the banked registers
+ mov r3, sp // copy the stack pointer into a non-banked register
+ mrs r2, cpsr // read the cpsr
+ bic r2, r2, r0 // clear mask in the cpsr
+ and r1, r1, r0 // clear bits outside the mask in the input
+ orr r2, r2, r1 // set field
+ msr cpsr_cxsf, r2 // write back cpsr (may have caused a mode switch)
+ isb
+ mov sp, r3 // restore stack pointer
+ ldmfd sp!, {r4-r12, lr} // restore registers
+ bx lr // return (hopefully thumb-safe!) // return (hopefully thumb-safe!)
+
+CPSRRead
+ mrs r0, cpsr
+ bx lr
+
+ArmWriteCPACR
+ mcr p15, 0, r0, c1, c0, 2
+ bx lr
+
+ArmWriteAuxCr
+ mcr p15, 0, r0, c1, c0, 1
+ bx lr
+
+ArmReadAuxCr
+ mrc p15, 0, r0, c1, c0, 1
+ bx lr
+
+ArmSetTTBR0
+ mcr p15,0,r0,c2,c0,0
+ isb
+ bx lr
+
+ArmGetTTBR0BaseAddress
+ mrc p15,0,r0,c2,c0,0
+ LoadConstantToReg(0xFFFFC000, r1)
+ and r0, r0, r1
+ isb
+ bx lr
+
+//
+//VOID
+//ArmUpdateTranslationTableEntry (
+// IN VOID *TranslationTableEntry // R0
+// IN VOID *MVA // R1
+// );
+ArmUpdateTranslationTableEntry
+ mcr p15,0,R0,c7,c14,1 // DCCIMVAC Clean data cache by MVA
+ dsb
+ mcr p15,0,R1,c8,c7,1 // TLBIMVA TLB Invalidate MVA
+ mcr p15,0,R9,c7,c5,6 // BPIALL Invalidate Branch predictor array. R9 == NoOp
+ dsb
+ isb
+ bx lr
+
+ArmInvalidateTlb
+ mov r0,#0
+ mcr p15,0,r0,c8,c7,0
+ mcr p15,0,R9,c7,c5,6 // BPIALL Invalidate Branch predictor array. R9 == NoOp
+ dsb
+ isb
+ bx lr
+
+ArmWriteNsacr
+ mcr p15, 0, r0, c1, c1, 2
+ bx lr
+
+ArmWriteScr
+ mcr p15, 0, r0, c1, c1, 0
+ bx lr
+
+ArmWriteVMBar
+ mcr p15, 0, r0, c12, c0, 1
+ bx lr
+
+ END