| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 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, tmp |
| 13 | ldr scs_sp, [\tsk, #TSK_TI_SCS_SP] |
| 14 | .endm |
| 15 | |
| 16 | .macro scs_save tsk, tmp |
| 17 | str scs_sp, [\tsk, #TSK_TI_SCS_SP] |
| 18 | .endm |
| 19 | #else |
| 20 | .macro scs_load tsk, tmp |
| 21 | .endm |
| 22 | |
| 23 | .macro scs_save tsk, tmp |
| 24 | .endm |
| 25 | #endif /* CONFIG_SHADOW_CALL_STACK */ |
| 26 | |
| 27 | #endif /* __ASSEMBLY __ */ |
| 28 | |
| 29 | #endif /* _ASM_SCS_H */ |