FM / asm

/usr/src/linux-headers-5.15.0-181/arch/hexagon/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/hexagon/include/asm

Name	Size	Mode	Actions
asm-offsets.h	35	0644	edit dl rm
atomic.h	4361	0644	edit dl rm
bitops.h	6152	0644	edit dl rm
cache.h	555	0644	edit dl rm
cacheflush.h	2725	0644	edit dl rm
checksum.h	685	0644	edit dl rm
cmpxchg.h	2003	0644	edit dl rm
delay.h	344	0644	edit dl rm
dma.h	300	0644	edit dl rm
elf.h	5758	0644	edit dl rm
exec.h	398	0644	edit dl rm
fixmap.h	369	0644	edit dl rm
fpu.h	90	0644	edit dl rm
futex.h	2306	0644	edit dl rm
hexagon_vm.h	5909	0644	edit dl rm
intrinsics.h	369	0644	edit dl rm
io.h	6264	0644	edit dl rm
irq.h	523	0644	edit dl rm
irqflags.h	860	0644	edit dl rm
Kbuild	131	0644	edit dl rm
kgdb.h	754	0644	edit dl rm
linkage.h	237	0644	edit dl rm
mem-layout.h	2865	0644	edit dl rm
mmu.h	490	0644	edit dl rm
mmu_context.h	1544	0644	edit dl rm
page.h	4179	0644	edit dl rm
perf_event.h	207	0644	edit dl rm
pgalloc.h	2709	0644	edit dl rm
pgtable.h	11952	0644	edit dl rm
processor.h	3173	0644	edit dl rm
smp.h	707	0644	edit dl rm
spinlock.h	3295	0644	edit dl rm
spinlock_types.h	545	0644	edit dl rm
string.h	472	0644	edit dl rm
suspend.h	238	0644	edit dl rm
switch_to.h	478	0644	edit dl rm
syscall.h	1170	0644	edit dl rm
syscalls.h	204	0644	edit dl rm
thread_info.h	3505	0644	edit dl rm
time.h	346	0644	edit dl rm
timex.h	495	0644	edit dl rm
tlb.h	253	0644	edit dl rm
tlbflush.h	1497	0644	edit dl rm
traps.h	410	0644	edit dl rm
uaccess.h	1870	0644	edit dl rm
vdso.h	307	0644	edit dl rm
vermagic.h	299	0644	edit dl rm
vmalloc.h	99	0644	edit dl rm
vm_fault.h	359	0644	edit dl rm
vm_mmu.h	2818	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/hexagon/include/asm/thread_info.h (3505B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Thread support for the Hexagon architecture
 *
 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
 */

#ifndef _ASM_THREAD_INFO_H
#define _ASM_THREAD_INFO_H

#ifdef __KERNEL__

#ifndef __ASSEMBLY__
#include <asm/processor.h>
#include <asm/registers.h>
#include <asm/page.h>
#endif

#define THREAD_SHIFT		12
#define THREAD_SIZE		(1<<THREAD_SHIFT)
#define THREAD_SIZE_ORDER	(THREAD_SHIFT - PAGE_SHIFT)

#ifndef __ASSEMBLY__

typedef struct {
	unsigned long seg;
} mm_segment_t;

/*
 * This is union'd with the "bottom" of the kernel stack.
 * It keeps track of thread info which is handy for routines
 * to access quickly.
 */

struct thread_info {
	struct task_struct	*task;		/* main task structure */
	unsigned long		flags;          /* low level flags */
	__u32                   cpu;            /* current cpu */
	int                     preempt_count;  /* 0=>preemptible,<0=>BUG */
	mm_segment_t            addr_limit;     /* segmentation sux */
	/*
	 * used for syscalls somehow;
	 * seems to have a function pointer and four arguments
	 */
	/* Points to the current pt_regs frame  */
	struct pt_regs		*regs;
	/*
	 * saved kernel sp at switch_to time;
	 * not sure if this is used (it's not in the VM model it seems;
	 * see thread_struct)
	 */
	unsigned long		sp;
};

#else /* !__ASSEMBLY__ */

#include <asm/asm-offsets.h>

#endif  /* __ASSEMBLY__  */

#ifndef __ASSEMBLY__

#define INIT_THREAD_INFO(tsk)                   \
{                                               \
	.task           = &tsk,                 \
	.flags          = 0,                    \
	.cpu            = 0,                    \
	.preempt_count  = 1,                    \
	.addr_limit     = KERNEL_DS,            \
	.sp = 0,				\
	.regs = NULL,			\
}

/* Tacky preprocessor trickery */
#define	qqstr(s) qstr(s)
#define qstr(s) #s
#define QUOTED_THREADINFO_REG qqstr(THREADINFO_REG)

register struct thread_info *__current_thread_info asm(QUOTED_THREADINFO_REG);
#define current_thread_info()  __current_thread_info

#endif /* __ASSEMBLY__ */

/*
 * thread information flags
 * - these are process state flags that various assembly files
 *   may need to access
 * - pending work-to-be-done flags are in LSW
 * - other flags in MSW
 */

#define TIF_SYSCALL_TRACE       0       /* syscall trace active */
#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
#define TIF_SIGPENDING          2       /* signal pending */
#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
#define TIF_SINGLESTEP          4       /* restore ss @ return to usr mode */
#define TIF_RESTORE_SIGMASK     6       /* restore sig mask in do_signal() */
#define TIF_NOTIFY_SIGNAL	7       /* signal notifications exist */
/* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_MEMDIE              17      /* OOM killer killed process */

#define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
#define _TIF_SINGLESTEP         (1 << TIF_SINGLESTEP)
#define _TIF_NOTIFY_SIGNAL	(1 << TIF_NOTIFY_SIGNAL)

/* work to do on interrupt/exception return - All but TIF_SYSCALL_TRACE */
#define _TIF_WORK_MASK          (0x0000FFFF & ~_TIF_SYSCALL_TRACE)

/* work to do on any return to u-space */
#define _TIF_ALLWORK_MASK       0x0000FFFF

#endif /* __KERNEL__ */

#endif

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