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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arch/h8300/asm/include/flat.h -- uClinux flat-format executables
 */

#ifndef __H8300_FLAT_H__
#define __H8300_FLAT_H__

#include <asm/unaligned.h>

#define	flat_argvp_envp_on_stack()		1
#define	flat_old_ram_flag(flags)		1
#define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
#define	flat_set_persistent(relval, p)		0

/*
 * on the H8 a couple of the relocations have an instruction in the
 * top byte.  As there can only be 24bits of address space,  we just
 * always preserve that 8bits at the top,  when it isn't an instruction
 * is is 0 (davidm@snapgear.com)
 */

#define	flat_get_relocate_addr(rel)		(rel & ~0x00000001)
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
					u32 *addr, u32 *persistent)
{
	u32 val = get_unaligned((__force u32 *)rp);
	if (!(flags & FLAT_FLAG_GOTPIC))
		val &= 0x00ffffff;
	*addr = val;
	return 0;
}

static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
{
	u32 *p = (__force u32 *)rp;
	put_unaligned((addr & 0x00ffffff) | (*(char *)p << 24), p);
	return 0;
}

#endif /* __H8300_FLAT_H__ */

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Name Type Size Permission Actions
Kbuild File 1.13 KB 0644
atomic.h File 2.47 KB 0644
bitops.h File 4.45 KB 0644
bug.h File 263 B 0644
byteorder.h File 148 B 0644
cache.h File 281 B 0644
cmpxchg.h File 1.49 KB 0644
dma-mapping.h File 269 B 0644
elf.h File 2.66 KB 0644
flat.h File 1.1 KB 0644
hash.h File 1.63 KB 0644
io.h File 1.44 KB 0644
irq.h File 555 B 0644
irqflags.h File 1.88 KB 0644
kgdb.h File 1.04 KB 0644
page.h File 485 B 0644
page_offset.h File 37 B 0644
pci.h File 421 B 0644
pgtable.h File 1.7 KB 0644
processor.h File 3.17 KB 0644
ptrace.h File 1.03 KB 0644
segment.h File 886 B 0644
signal.h File 520 B 0644
smp.h File 32 B 0644
string.h File 389 B 0644
switch_to.h File 1.72 KB 0644
syscall.h File 1.03 KB 0644
thread_info.h File 3.26 KB 0644
tlb.h File 166 B 0644
traps.h File 1.06 KB 0644
uaccess.h File 1.02 KB 0644
user.h File 3.34 KB 0644