From 6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5 Mon Sep 17 00:00:00 2001 From: Pasha Date: Tue, 20 Feb 2024 18:55:36 +0000 Subject: initial risc-v example --- riscv/include/asm/sections.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 riscv/include/asm/sections.h (limited to 'riscv/include/asm/sections.h') diff --git a/riscv/include/asm/sections.h b/riscv/include/asm/sections.h new file mode 100644 index 0000000..a393d50 --- /dev/null +++ b/riscv/include/asm/sections.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 Western Digital Corporation or its affiliates. + */ +#ifndef __ASM_SECTIONS_H +#define __ASM_SECTIONS_H + +#include +#include + +extern char _start[]; +extern char _start_kernel[]; +extern char __init_data_begin[], __init_data_end[]; +extern char __init_text_begin[], __init_text_end[]; +extern char __alt_start[], __alt_end[]; +extern char __exittext_begin[], __exittext_end[]; + +static inline bool is_va_kernel_text(uintptr_t va) +{ + uintptr_t start = (uintptr_t)_start; + uintptr_t end = (uintptr_t)__init_data_begin; + + return va >= start && va < end; +} + +static inline bool is_va_kernel_lm_alias_text(uintptr_t va) +{ + uintptr_t start = (uintptr_t)lm_alias(_start); + uintptr_t end = (uintptr_t)lm_alias(__init_data_begin); + + return va >= start && va < end; +} + +#endif /* __ASM_SECTIONS_H */ -- cgit v1.2.1