cc15a619a6
This patch fixes the following Ecc reported error: The #ifndef at the start of an include file should have one postfix underscore, and no prefix underscore character Some include guards have been modified to match the name of the header file. Some comments have also been added on the closing '#endif'. Cc: Bret Barkelew <bret.barkelew@microsoft.com> Cc: Sean Brogan <sean.brogan@microsoft.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Sami Mujawar <sami.mujawar@arm.com> Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/** @file
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Macros to work around lack of Clang support for LDR register, =expr
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Portions copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
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Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef ASM_MACRO_IO_LIBV8_H_
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#define ASM_MACRO_IO_LIBV8_H_
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// CurrentEL : 0xC = EL3; 8 = EL2; 4 = EL1
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// This only selects between EL1 and EL2, else we die.
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// Provide the Macro with a safe temp xreg to use.
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#define EL1_OR_EL2(SAFE_XREG) \
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mrs SAFE_XREG, CurrentEL ;\
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cmp SAFE_XREG, #0x8 ;\
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b.gt . ;\
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b.eq 2f ;\
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cbnz SAFE_XREG, 1f ;\
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b . ;// We should never get here
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// CurrentEL : 0xC = EL3; 8 = EL2; 4 = EL1
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// This only selects between EL1 and EL2 and EL3, else we die.
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// Provide the Macro with a safe temp xreg to use.
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#define EL1_OR_EL2_OR_EL3(SAFE_XREG) \
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mrs SAFE_XREG, CurrentEL ;\
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cmp SAFE_XREG, #0x8 ;\
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b.gt 3f ;\
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b.eq 2f ;\
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cbnz SAFE_XREG, 1f ;\
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b . ;// We should never get here
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#define _ASM_FUNC(Name, Section) \
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.global Name ; \
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.section #Section, "ax" ; \
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.type Name, %function ; \
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Name:
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#define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name)
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#define MOV32(Reg, Val) \
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movz Reg, (Val) >> 16, lsl #16 ; \
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movk Reg, (Val) & 0xffff
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#define MOV64(Reg, Val) \
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movz Reg, (Val) >> 48, lsl #48 ; \
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movk Reg, ((Val) >> 32) & 0xffff, lsl #32 ; \
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movk Reg, ((Val) >> 16) & 0xffff, lsl #16 ; \
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movk Reg, (Val) & 0xffff
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#endif // ASM_MACRO_IO_LIBV8_H_
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