fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-blackfin / flat.h
blobe70074e05f4ef095e33beb1cf28ede8ae817f980
1 /*
2 * include/asm-blackfin/flat.h -- uClinux flat-format executables
4 * Copyright (C) 2003,
6 */
8 #ifndef __BLACKFIN_FLAT_H__
9 #define __BLACKFIN_FLAT_H__
11 #include <asm/unaligned.h>
13 #define flat_stack_align(sp) /* nothing needed */
14 #define flat_argvp_envp_on_stack() 0
15 #define flat_old_ram_flag(flags) (flags)
17 extern unsigned long bfin_get_addr_from_rp (unsigned long *ptr,
18 unsigned long relval,
19 unsigned long flags,
20 unsigned long *persistent);
22 extern void bfin_put_addr_at_rp(unsigned long *ptr, unsigned long addr,
23 unsigned long relval);
25 /* The amount by which a relocation can exceed the program image limits
26 without being regarded as an error. */
28 #define flat_reloc_valid(reloc, size) ((reloc) <= (size))
30 #define flat_get_addr_from_rp(rp, relval, flags, persistent) \
31 bfin_get_addr_from_rp(rp, relval, flags, persistent)
32 #define flat_put_addr_at_rp(rp, val, relval) \
33 bfin_put_addr_at_rp(rp, val, relval)
35 /* Convert a relocation entry into an address. */
36 static inline unsigned long
37 flat_get_relocate_addr (unsigned long relval)
39 return relval & 0x03ffffff; /* Mask out top 6 bits */
42 static inline int flat_set_persistent(unsigned long relval,
43 unsigned long *persistent)
45 int type = (relval >> 26) & 7;
46 if (type == 3) {
47 *persistent = relval << 16;
48 return 1;
50 return 0;
53 static inline int flat_addr_absolute(unsigned long relval)
55 return (relval & (1 << 29)) != 0;
58 #endif /* __BLACKFIN_FLAT_H__ */