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| #------------------------------------------------------------------------------
| #
| # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
| # Copyright (c) 2011-2013, ARM Limited. All rights reserved.
| # Copyright (c) 2016, Linaro Limited. All rights reserved.
| #
| # SPDX-License-Identifier: BSD-2-Clause-Patent
| #
| #------------------------------------------------------------------------------
|
| #include <AsmMacroIoLib.h>
|
| ASM_FUNC(ArmIsMpCore)
| mrc p15,0,R0,c0,c0,5
| // Get Multiprocessing extension (bit31) & U bit (bit30)
| and R0, R0, #0xC0000000
| // if (bit31 == 1) && (bit30 == 0) then the processor is part of a multiprocessor system
| cmp R0, #0x80000000
| moveq R0, #1
| movne R0, #0
| bx LR
|
| ASM_FUNC(ArmEnableAsynchronousAbort)
| cpsie a
| isb
| bx LR
|
| ASM_FUNC(ArmDisableAsynchronousAbort)
| cpsid a
| isb
| bx LR
|
| ASM_FUNC(ArmEnableIrq)
| cpsie i
| isb
| bx LR
|
| ASM_FUNC(ArmDisableIrq)
| cpsid i
| isb
| bx LR
|
| ASM_FUNC(ArmEnableFiq)
| cpsie f
| isb
| bx LR
|
| ASM_FUNC(ArmDisableFiq)
| cpsid f
| isb
| bx LR
|
| ASM_FUNC(ArmEnableInterrupts)
| cpsie if
| isb
| bx LR
|
| ASM_FUNC(ArmDisableInterrupts)
| cpsid if
| isb
| bx LR
|
| ASM_FUNC(ArmReadIdMmfr4)
| mrc p15,0,r0,c0,c2,6 @ Read ID_MMFR4 Register
| bx lr
|
| // UINTN
| // ReadCCSIDR (
| // IN UINT32 CSSELR
| // )
| ASM_FUNC(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
| // ReadCCSIDR2 (
| // IN UINT32 CSSELR
| // )
| ASM_FUNC(ReadCCSIDR2)
| mcr p15,2,r0,c0,c0,0 @ Write Cache Size Selection Register (CSSELR)
| isb
| mrc p15,1,r0,c0,c0,2 @ Read current CP15 Cache Size ID Register (CCSIDR2)
| bx lr
|
| // UINT32
| // ReadCLIDR (
| // IN UINT32 CSSELR
| // )
| ASM_FUNC(ReadCLIDR)
| mrc p15,1,r0,c0,c0,1 @ Read CP15 Cache Level ID Register
| bx lr
|
| ASM_FUNC(ArmReadNsacr)
| mrc p15, 0, r0, c1, c1, 2
| bx lr
|
| ASM_FUNC(ArmWriteNsacr)
| mcr p15, 0, r0, c1, c1, 2
| bx lr
|
| ASM_FUNCTION_REMOVE_IF_UNREFERENCED
|
|
