arch/sh/include/asm/flat.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * include/asm-sh/flat.h
   4  *
   5  * uClinux flat-format executables
   6  *
   7  * Copyright (C) 2003  Paul Mundt
   8  */
   9 #ifndef __ASM_SH_FLAT_H
  10 #define __ASM_SH_FLAT_H
  11
  12 #include <linux/unaligned.h>
  13
  14 static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
  15                                         u32 *addr)
  16 {
  17         *addr = get_unaligned((__force u32 *)rp);
  18         return 0;
  19 }
  20 static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
  21 {
  22         put_unaligned(addr, (__force u32 *)rp);
  23         return 0;
  24 }
  25
  26 #define FLAT_PLAT_INIT(_r) \
  27   do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
  28        _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
  29        _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
  30        _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
  31        _r->sr = SR_FD; } while (0)
  32
  33 #endif /* __ASM_SH_FLAT_H */