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/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/mem-layout.h (2865B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Memory layout definitions for the Hexagon architecture
 *
 * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
 */

#ifndef _ASM_HEXAGON_MEM_LAYOUT_H
#define _ASM_HEXAGON_MEM_LAYOUT_H

#include <linux/const.h>

/*
 * Have to do this for ginormous numbers, else they get printed as
 * negative numbers, which the linker no likey when you try to
 * assign it to the location counter.
 */

#define PAGE_OFFSET			_AC(0xc0000000, UL)

/*
 * Compiling for a platform that needs a crazy physical offset
 * (like if the memory starts at 1GB and up) means we need
 * an actual PHYS_OFFSET.  Should be set up in head.S.
 */

#ifdef CONFIG_HEXAGON_PHYS_OFFSET
#ifndef __ASSEMBLY__
extern unsigned long	__phys_offset;
#endif
#define PHYS_OFFSET	__phys_offset
#endif

#ifndef PHYS_OFFSET
#define PHYS_OFFSET	0
#endif

#define PHYS_PFN_OFFSET	(PHYS_OFFSET >> PAGE_SHIFT)
#define ARCH_PFN_OFFSET	PHYS_PFN_OFFSET

#define TASK_SIZE			(PAGE_OFFSET)

/*  not sure how these are used yet  */
#define STACK_TOP			TASK_SIZE
#define STACK_TOP_MAX			TASK_SIZE

#ifndef __ASSEMBLY__
enum fixed_addresses {
	FIX_KMAP_BEGIN,
	FIX_KMAP_END,  /*  check for per-cpuism  */
	__end_of_fixed_addresses
};

#define MIN_KERNEL_SEG (PAGE_OFFSET >> PGDIR_SHIFT)   /* L1 shift is 22 bits */
extern int max_kernel_seg;

/*
 * Start of vmalloc virtual address space for kernel;
 * supposed to be based on the amount of physical memory available
 */

#define VMALLOC_START ((unsigned long) __va(high_memory + VMALLOC_OFFSET))

/* Gap between physical ram and vmalloc space for guard purposes. */
#define VMALLOC_OFFSET PAGE_SIZE

/*
 * Create the space between VMALLOC_START and FIXADDR_TOP backwards
 * from the ... "top".
 *
 * Permanent IO mappings will live at 0xfexx_xxxx
 * Hypervisor occupies the last 16MB page at 0xffxxxxxx
 */

#define FIXADDR_TOP     0xfe000000
#define FIXADDR_SIZE    (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START   (FIXADDR_TOP - FIXADDR_SIZE)

/*
 * "permanent kernel mappings", defined as long-lasting mappings of
 * high-memory page frames into the kernel address space.
 */

#define LAST_PKMAP	PTRS_PER_PTE
#define LAST_PKMAP_MASK	(LAST_PKMAP - 1)
#define PKMAP_NR(virt)	((virt - PKMAP_BASE) >> PAGE_SHIFT)
#define PKMAP_ADDR(nr)	(PKMAP_BASE + ((nr) << PAGE_SHIFT))

/*
 * To the "left" of the fixed map space is the kmap space
 *
 * "Permanent Kernel Mappings"; fancy (or less fancy) PTE table
 * that looks like it's actually walked.
 * Need to check the alignment/shift usage; some archs use
 * PMD_MASK on this value
 */
#define PKMAP_BASE (FIXADDR_START-PAGE_SIZE*LAST_PKMAP)

/*
 * 2 pages of guard gap between where vmalloc area ends
 * and pkmap_base begins.
 */
#define VMALLOC_END (PKMAP_BASE-PAGE_SIZE*2)
#endif /*  !__ASSEMBLY__  */

#endif /* _ASM_HEXAGON_MEM_LAYOUT_H */

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