1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun *
3*4882a593Smuzhiyun * include/asm-sh/flat.h
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * uClinux flat-format executables
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (C) 2003 Paul Mundt
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun #ifndef __ASM_SH_FLAT_H
10*4882a593Smuzhiyun #define __ASM_SH_FLAT_H
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <asm/unaligned.h>
13*4882a593Smuzhiyun
flat_get_addr_from_rp(u32 __user * rp,u32 relval,u32 flags,u32 * addr)14*4882a593Smuzhiyun static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
15*4882a593Smuzhiyun u32 *addr)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun *addr = get_unaligned((__force u32 *)rp);
18*4882a593Smuzhiyun return 0;
19*4882a593Smuzhiyun }
flat_put_addr_at_rp(u32 __user * rp,u32 addr,u32 rel)20*4882a593Smuzhiyun static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun put_unaligned(addr, (__force u32 *)rp);
23*4882a593Smuzhiyun return 0;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #define FLAT_PLAT_INIT(_r) \
27*4882a593Smuzhiyun do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
28*4882a593Smuzhiyun _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
29*4882a593Smuzhiyun _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
30*4882a593Smuzhiyun _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
31*4882a593Smuzhiyun _r->sr = SR_FD; } while (0)
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun #endif /* __ASM_SH_FLAT_H */
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