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author | Simon Horman <horms@verge.net.au> | 2008-09-10 09:14:52 +1000 |
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committer | Simon Horman <horms@verge.net.au> | 2008-09-10 09:14:52 +1000 |
commit | c051a0a2c9e283c1123ed3ce65e66e41d2ce5e24 (patch) | |
tree | 1202d018129ca5538cd98b1e4542b239045c1a2d /arch/blackfin/include/asm/flat.h | |
parent | e9c0ce232e7a36daae1ca08282609d7f0c57c567 (diff) | |
parent | 28faa979746b2352cd78a376bf9f52db953bda46 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 into lvs-next-2.6
Diffstat (limited to 'arch/blackfin/include/asm/flat.h')
-rw-r--r-- | arch/blackfin/include/asm/flat.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/flat.h b/arch/blackfin/include/asm/flat.h new file mode 100644 index 00000000000..e70074e05f4 --- /dev/null +++ b/arch/blackfin/include/asm/flat.h @@ -0,0 +1,58 @@ +/* + * include/asm-blackfin/flat.h -- uClinux flat-format executables + * + * Copyright (C) 2003, + * + */ + +#ifndef __BLACKFIN_FLAT_H__ +#define __BLACKFIN_FLAT_H__ + +#include <asm/unaligned.h> + +#define flat_stack_align(sp) /* nothing needed */ +#define flat_argvp_envp_on_stack() 0 +#define flat_old_ram_flag(flags) (flags) + +extern unsigned long bfin_get_addr_from_rp (unsigned long *ptr, + unsigned long relval, + unsigned long flags, + unsigned long *persistent); + +extern void bfin_put_addr_at_rp(unsigned long *ptr, unsigned long addr, + unsigned long relval); + +/* The amount by which a relocation can exceed the program image limits + without being regarded as an error. */ + +#define flat_reloc_valid(reloc, size) ((reloc) <= (size)) + +#define flat_get_addr_from_rp(rp, relval, flags, persistent) \ + bfin_get_addr_from_rp(rp, relval, flags, persistent) +#define flat_put_addr_at_rp(rp, val, relval) \ + bfin_put_addr_at_rp(rp, val, relval) + +/* Convert a relocation entry into an address. */ +static inline unsigned long +flat_get_relocate_addr (unsigned long relval) +{ + return relval & 0x03ffffff; /* Mask out top 6 bits */ +} + +static inline int flat_set_persistent(unsigned long relval, + unsigned long *persistent) +{ + int type = (relval >> 26) & 7; + if (type == 3) { + *persistent = relval << 16; + return 1; + } + return 0; +} + +static inline int flat_addr_absolute(unsigned long relval) +{ + return (relval & (1 << 29)) != 0; +} + +#endif /* __BLACKFIN_FLAT_H__ */ |