/* SPDX-License-Identifier: GPL-2.0-only */ /* * Based on arm/arm64/include/asm/current.h * * Copyright (C) 2016 ARM * Copyright (C) 2017 SiFive */ #ifndef _ASM_RISCV_CURRENT_H #define _ASM_RISCV_CURRENT_H #include <linux/bug.h> #include <linux/compiler.h> #ifndef __ASSEMBLY__ struct task_struct; register struct task_struct *riscv_current_is_tp __asm__("tp"); /* * This only works because "struct thread_info" is at offset 0 from "struct * task_struct". This constraint seems to be necessary on other architectures * as well, but __switch_to enforces it. We can't check TASK_TI here because * <asm/asm-offsets.h> includes this, and I can't get the definition of "struct * task_struct" here due to some header ordering problems. */ static __always_inline struct task_struct *get_current(void) { return riscv_current_is_tp; } #define current get_current() #endif /* __ASSEMBLY__ */ #endif /* _ASM_RISCV_CURRENT_H */