16c230b30d
The scs_load and scs_save asm macros don't make use of the mandatory 'tmp' register argument, so drop it and fix up the callers. Cc: Sami Tolvanen <samitolvanen@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Link: https://lore.kernel.org/r/20210527105529.21967-1-will@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
30 lines
462 B
C
30 lines
462 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_SCS_H
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#define _ASM_SCS_H
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#ifdef __ASSEMBLY__
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#include <asm/asm-offsets.h>
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#ifdef CONFIG_SHADOW_CALL_STACK
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scs_sp .req x18
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.macro scs_load tsk
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ldr scs_sp, [\tsk, #TSK_TI_SCS_SP]
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.endm
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.macro scs_save tsk
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str scs_sp, [\tsk, #TSK_TI_SCS_SP]
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.endm
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#else
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.macro scs_load tsk
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.endm
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.macro scs_save tsk
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.endm
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#endif /* CONFIG_SHADOW_CALL_STACK */
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#endif /* __ASSEMBLY __ */
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#endif /* _ASM_SCS_H */
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