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author | Yoshinori Sato <ysato@users.sourceforge.jp> | 2015-05-11 02:20:06 +0900 |
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committer | Yoshinori Sato <ysato@users.sourceforge.jp> | 2015-06-23 13:35:49 +0900 |
commit | d2a5f4999f6c211adf30d9788349e13988d6f2a7 (patch) | |
tree | 95f6ef1d8b1d4e3e078e462cc3ae73a4b519bc53 /arch/h8300/include/asm/flat.h | |
parent | a2ed0c57a546f5d99f795e97cd0b2769882031bc (diff) | |
download | linux-d2a5f4999f6c211adf30d9788349e13988d6f2a7.tar.gz linux-d2a5f4999f6c211adf30d9788349e13988d6f2a7.tar.bz2 linux-d2a5f4999f6c211adf30d9788349e13988d6f2a7.zip |
h8300: Assembly headers
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Diffstat (limited to 'arch/h8300/include/asm/flat.h')
-rw-r--r-- | arch/h8300/include/asm/flat.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h new file mode 100644 index 000000000000..a4898eccf2bf --- /dev/null +++ b/arch/h8300/include/asm/flat.h @@ -0,0 +1,28 @@ +/* + * arch/h8300/asm/include/flat.h -- uClinux flat-format executables + */ + +#ifndef __H8300_FLAT_H__ +#define __H8300_FLAT_H__ + +#define flat_argvp_envp_on_stack() 1 +#define flat_old_ram_flag(flags) 1 +#define flat_reloc_valid(reloc, size) ((reloc) <= (size)) +#define flat_set_persistent(relval, p) 0 + +/* + * on the H8 a couple of the relocations have an instruction in the + * top byte. As there can only be 24bits of address space, we just + * always preserve that 8bits at the top, when it isn't an instruction + * is is 0 (davidm@snapgear.com) + */ + +#define flat_get_relocate_addr(rel) (rel & ~0x00000001) +#define flat_get_addr_from_rp(rp, relval, flags, persistent) \ + ({(void)persistent; \ + get_unaligned(rp) & (((flags) & FLAT_FLAG_GOTPIC) ? \ + 0xffffffff : 0x00ffffff); }) +#define flat_put_addr_at_rp(rp, addr, rel) \ + put_unaligned(((*(char *)(rp)) << 24) | ((addr) & 0x00ffffff), (rp)) + +#endif /* __H8300_FLAT_H__ */ |