/* * 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__ */