LXR linux/arch/sh/include/asm/flat.h

   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))
  20static 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}
  26static 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