Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * OpenRISC asm-offsets.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Linux architectural port borrowing liberally from similar works of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * others.  All original copyrights apply as per the original source
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * declaration.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Modifications for the OpenRISC architecture:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * This program is used to generate definitions needed by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * assembly language modules.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * We use the technique used in the OSF Mach kernel code:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * generate asm statements containing #defines,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * compile this file to assembler, and then extract the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * #defines from the assembly-language output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/signal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/mman.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/thread_info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <linux/kbuild.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <asm/processor.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) int main(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	/* offsets into the task_struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	/* offsets into thread_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	DEFINE(TI_KSP, offsetof(struct thread_info, ksp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	DEFINE(PT_SIZE, sizeof(struct pt_regs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	/* Interrupt register frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	DEFINE(NUM_USER_SEGMENTS, TASK_SIZE >> 28);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }