cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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scs.h (462B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_SCS_H
      3#define _ASM_SCS_H
      4
      5#ifdef __ASSEMBLY__
      6
      7#include <asm/asm-offsets.h>
      8
      9#ifdef CONFIG_SHADOW_CALL_STACK
     10	scs_sp	.req	x18
     11
     12	.macro scs_load tsk
     13	ldr	scs_sp, [\tsk, #TSK_TI_SCS_SP]
     14	.endm
     15
     16	.macro scs_save tsk
     17	str	scs_sp, [\tsk, #TSK_TI_SCS_SP]
     18	.endm
     19#else
     20	.macro scs_load tsk
     21	.endm
     22
     23	.macro scs_save tsk
     24	.endm
     25#endif /* CONFIG_SHADOW_CALL_STACK */
     26
     27#endif /* __ASSEMBLY __ */
     28
     29#endif /* _ASM_SCS_H */