FM / asm

/usr/src/linux-headers-5.15.0-190/arch/microblaze/include/asm/

/usr/src/linux-headers-5.15.0-190/arch/microblaze/include/asm

Name	Size	Mode	Actions
asm-compat.h	518	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
barrier.h	313	0644	edit dl rm
cache.h	510	0644	edit dl rm
cacheflush.h	3209	0644	edit dl rm
checksum.h	806	0644	edit dl rm
cpuinfo.h	2043	0644	edit dl rm
current.h	714	0644	edit dl rm
delay.h	2138	0644	edit dl rm
dma.h	432	0644	edit dl rm
elf.h	602	0644	edit dl rm
entry.h	1018	0644	edit dl rm
exceptions.h	1928	0644	edit dl rm
fixmap.h	1874	0644	edit dl rm
flat.h	1982	0644	edit dl rm
ftrace.h	642	0644	edit dl rm
futex.h	2179	0644	edit dl rm
hash.h	2429	0644	edit dl rm
highmem.h	1800	0644	edit dl rm
io.h	1691	0644	edit dl rm
irq.h	376	0644	edit dl rm
irqflags.h	2529	0644	edit dl rm
Kbuild	250	0644	edit dl rm
kgdb.h	739	0644	edit dl rm
mmu.h	4050	0644	edit dl rm
mmu_context.h	72	0644	edit dl rm
mmu_context_mm.h	3893	0644	edit dl rm
module.h	704	0644	edit dl rm
page.h	4076	0644	edit dl rm
pci-bridge.h	4473	0644	edit dl rm
pci.h	1986	0644	edit dl rm
pgalloc.h	1042	0644	edit dl rm
pgtable.h	14526	0644	edit dl rm
processor.h	2693	0644	edit dl rm
ptrace.h	591	0644	edit dl rm
pvr.h	8791	0644	edit dl rm
registers.h	1508	0644	edit dl rm
seccomp.h	256	0644	edit dl rm
sections.h	501	0644	edit dl rm
setup.h	823	0644	edit dl rm
string.h	494	0644	edit dl rm
switch_to.h	493	0644	edit dl rm
syscall.h	2346	0644	edit dl rm
thread_info.h	3979	0644	edit dl rm
timex.h	266	0644	edit dl rm
tlbflush.h	1579	0644	edit dl rm
uaccess.h	8121	0644	edit dl rm
unistd.h	1051	0644	edit dl rm
unwind.h	611	0644	edit dl rm
vmalloc.h	108	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/microblaze/include/asm/flat.h (1982B)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * uClinux flat-format executables
 *
 * Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au>
 */

#ifndef _ASM_MICROBLAZE_FLAT_H
#define _ASM_MICROBLAZE_FLAT_H

#include <asm/unaligned.h>

/*
 * Microblaze works a little differently from other arches, because
 * of the MICROBLAZE_64 reloc type. Here, a 32 bit address is split
 * over two instructions, an 'imm' instruction which provides the top
 * 16 bits, then the instruction "proper" which provides the low 16
 * bits.
 */

/*
 * Crack open a symbol reference and extract the address to be
 * relocated. rp is a potentially unaligned pointer to the
 * reference
 */

static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
					u32 *addr)
{
	u32 *p = (__force u32 *)rp;

/* Is it a split 64/32 reference? */
	if (relval & 0x80000000) {
		/* Grab the two halves of the reference */
		u32 val_hi, val_lo;

val_hi = get_unaligned(p);
		val_lo = get_unaligned(p+1);

/* Crack the address out */
		*addr = ((val_hi & 0xffff) << 16) + (val_lo & 0xffff);
	} else {
		/* Get the address straight out */
		*addr = get_unaligned(p);
	}

return 0;
}

/*
 * Insert an address into the symbol reference at rp. rp is potentially
 * unaligned.
 */

static inline int
flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 relval)
{
	u32 *p = (__force u32 *)rp;
	/* Is this a split 64/32 reloc? */
	if (relval & 0x80000000) {
		/* Get the two "halves" */
		unsigned long val_hi = get_unaligned(p);
		unsigned long val_lo = get_unaligned(p + 1);

/* insert the address */
		val_hi = (val_hi & 0xffff0000) | addr >> 16;
		val_lo = (val_lo & 0xffff0000) | (addr & 0xffff);

/* store the two halves back into memory */
		put_unaligned(val_hi, p);
		put_unaligned(val_lo, p+1);
	} else {
		/* Put it straight in, no messing around */
		put_unaligned(addr, p);
	}
	return 0;
}

#define	flat_get_relocate_addr(rel)	(rel & 0x7fffffff)

#endif /* _ASM_MICROBLAZE_FLAT_H */

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