xref: /openbmc/linux/arch/sh/include/asm/flat.h (revision 4da722ca)
1 /*
2  * include/asm-sh/flat.h
3  *
4  * uClinux flat-format executables
5  *
6  * Copyright (C) 2003  Paul Mundt
7  *
8  * This file is subject to the terms and conditions of the GNU General Public
9  * License.  See the file "COPYING" in the main directory of this archive for
10  * more details.
11  */
12 #ifndef __ASM_SH_FLAT_H
13 #define __ASM_SH_FLAT_H
14 
15 #include <asm/unaligned.h>
16 
17 #define	flat_argvp_envp_on_stack()		0
18 #define	flat_old_ram_flag(flags)		(flags)
19 #define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
20 static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
21 					u32 *addr, u32 *persistent)
22 {
23 	*addr = get_unaligned((__force u32 *)rp);
24 	return 0;
25 }
26 static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
27 {
28 	put_unaligned(addr, (__force u32 *)rp);
29 	return 0;
30 }
31 #define	flat_get_relocate_addr(rel)		(rel)
32 #define	flat_set_persistent(relval, p)		({ (void)p; 0; })
33 
34 #define FLAT_PLAT_INIT(_r) \
35   do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
36        _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
37        _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
38        _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
39        _r->sr = SR_FD; } while (0)
40 
41 #endif /* __ASM_SH_FLAT_H */
42