summaryrefslogtreecommitdiffstats
path: root/arch/sh/include/asm/flat.h
blob: 275fcae2353920098bb95393873671e2d578c39a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
 * include/asm-sh/flat.h
 *
 * uClinux flat-format executables
 *
 * Copyright (C) 2003  Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive for
 * more details.
 */
#ifndef __ASM_SH_FLAT_H
#define __ASM_SH_FLAT_H

#include <asm/unaligned.h>

#define	flat_argvp_envp_on_stack()		0
#define	flat_old_ram_flag(flags)		(flags)
#define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
					u32 *addr, u32 *persistent)
{
	*addr = get_unaligned((__force u32 *)rp);
	return 0;
}
static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
{
	put_unaligned(addr, (__force u32 *)rp);
	return 0;
}
#define	flat_get_relocate_addr(rel)		(rel)
#define	flat_set_persistent(relval, p)		({ (void)p; 0; })

#define FLAT_PLAT_INIT(_r) \
  do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
       _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
       _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
       _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
       _r->sr = SR_FD; } while (0)

#endif /* __ASM_SH_FLAT_H */