diff options
Diffstat (limited to 'include/asm-sh/machvec_init.h')
-rw-r--r-- | include/asm-sh/machvec_init.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/include/asm-sh/machvec_init.h b/include/asm-sh/machvec_init.h index e397798ebd94..88a973edcf15 100644 --- a/include/asm-sh/machvec_init.h +++ b/include/asm-sh/machvec_init.h | |||
@@ -12,42 +12,8 @@ | |||
12 | #ifndef __SH_MACHVEC_INIT_H | 12 | #ifndef __SH_MACHVEC_INIT_H |
13 | #define __SH_MACHVEC_INIT_H | 13 | #define __SH_MACHVEC_INIT_H |
14 | 14 | ||
15 | |||
16 | /* | ||
17 | * In a GENERIC kernel, we have lots of these vectors floating about, | ||
18 | * all but one of which we want to go away. In a non-GENERIC kernel, | ||
19 | * we want only one, ever. | ||
20 | * | ||
21 | * Accomplish this in the GENERIC kernel by puting all of the vectors | ||
22 | * in the .init.data section where they'll go away. We'll copy the | ||
23 | * one we want to the real alpha_mv vector in setup_arch. | ||
24 | * | ||
25 | * Accomplish this in a non-GENERIC kernel by ifdef'ing out all but | ||
26 | * one of the vectors, which will not reside in .init.data. We then | ||
27 | * alias this one vector to alpha_mv, so no copy is needed. | ||
28 | * | ||
29 | * Upshot: set __initdata to nothing for non-GENERIC kernels. | ||
30 | * | ||
31 | * Note we do the same thing for the UNKNOWN kernel, as we need to write | ||
32 | * to the machine vector while setting it up. | ||
33 | */ | ||
34 | |||
35 | #if defined(CONFIG_SH_GENERIC) || defined(CONFIG_SH_UNKNOWN) | ||
36 | #define __initmv __attribute__((unused,__section__ (".machvec.init"))) | 15 | #define __initmv __attribute__((unused,__section__ (".machvec.init"))) |
37 | #define ALIAS_MV(x) | ||
38 | #else | ||
39 | #define __initmv | ||
40 | |||
41 | /* GCC actually has a syntax for defining aliases, but is under some | ||
42 | delusion that you shouldn't be able to declare it extern somewhere | ||
43 | else beforehand. Fine. We'll do it ourselves. */ | ||
44 | #if 0 | ||
45 | #define ALIAS_MV(system) \ | ||
46 | struct sh_machine_vector sh_mv __attribute__((alias("mv_"#system))); | ||
47 | #else | ||
48 | #define ALIAS_MV(system) \ | 16 | #define ALIAS_MV(system) \ |
49 | asm(".global sh_mv\nsh_mv = mv_"#system ); | 17 | asm(".global sh_mv\nsh_mv = mv_"#system ); |
50 | #endif | ||
51 | #endif /* GENERIC */ | ||
52 | 18 | ||
53 | #endif /* __SH_MACHVEC_INIT_H */ | 19 | #endif /* __SH_MACHVEC_INIT_H */ |