diff options
author | Kumar Gala <galak@freescale.com> | 2005-09-23 15:08:58 -0400 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2005-09-28 01:42:53 -0400 |
commit | 10b35d9978ac35556aec0d2642055742d8941488 (patch) | |
tree | 7c59c62e2840d7d9971076e1acccaa0cadd678b8 /include/asm-ppc | |
parent | a559c91d77c3220be521453bd23815e1e1980a82 (diff) |
[PATCH] powerpc: merged asm/cputable.h
Merged cputable.h between ppc32 and ppc64. In doing this removed support
for the BEGIN_FTR_SECTION/END_FTR_SECTION macros in C code since they
dont compile correctly. C code should use cpu_has_feature(). This is
based on Arnd Bergmann's initial patch.
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-ppc')
-rw-r--r-- | include/asm-ppc/cputable.h | 128 | ||||
-rw-r--r-- | include/asm-ppc/mmu_context.h | 6 |
2 files changed, 2 insertions, 132 deletions
diff --git a/include/asm-ppc/cputable.h b/include/asm-ppc/cputable.h deleted file mode 100644 index 41d8f8425c04..000000000000 --- a/include/asm-ppc/cputable.h +++ /dev/null | |||
@@ -1,128 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-ppc/cputable.h | ||
3 | * | ||
4 | * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #ifndef __ASM_PPC_CPUTABLE_H | ||
13 | #define __ASM_PPC_CPUTABLE_H | ||
14 | |||
15 | /* Exposed to userland CPU features */ | ||
16 | #define PPC_FEATURE_32 0x80000000 | ||
17 | #define PPC_FEATURE_64 0x40000000 | ||
18 | #define PPC_FEATURE_601_INSTR 0x20000000 | ||
19 | #define PPC_FEATURE_HAS_ALTIVEC 0x10000000 | ||
20 | #define PPC_FEATURE_HAS_FPU 0x08000000 | ||
21 | #define PPC_FEATURE_HAS_MMU 0x04000000 | ||
22 | #define PPC_FEATURE_HAS_4xxMAC 0x02000000 | ||
23 | #define PPC_FEATURE_UNIFIED_CACHE 0x01000000 | ||
24 | #define PPC_FEATURE_HAS_SPE 0x00800000 | ||
25 | #define PPC_FEATURE_HAS_EFP_SINGLE 0x00400000 | ||
26 | #define PPC_FEATURE_HAS_EFP_DOUBLE 0x00200000 | ||
27 | |||
28 | #ifdef __KERNEL__ | ||
29 | |||
30 | #ifndef __ASSEMBLY__ | ||
31 | |||
32 | /* This structure can grow, it's real size is used by head.S code | ||
33 | * via the mkdefs mecanism. | ||
34 | */ | ||
35 | struct cpu_spec; | ||
36 | |||
37 | typedef void (*cpu_setup_t)(unsigned long offset, int cpu_nr, struct cpu_spec* spec); | ||
38 | |||
39 | struct cpu_spec { | ||
40 | /* CPU is matched via (PVR & pvr_mask) == pvr_value */ | ||
41 | unsigned int pvr_mask; | ||
42 | unsigned int pvr_value; | ||
43 | |||
44 | char *cpu_name; | ||
45 | unsigned int cpu_features; /* Kernel features */ | ||
46 | unsigned int cpu_user_features; /* Userland features */ | ||
47 | |||
48 | /* cache line sizes */ | ||
49 | unsigned int icache_bsize; | ||
50 | unsigned int dcache_bsize; | ||
51 | |||
52 | /* number of performance monitor counters */ | ||
53 | unsigned int num_pmcs; | ||
54 | |||
55 | /* this is called to initialize various CPU bits like L1 cache, | ||
56 | * BHT, SPD, etc... from head.S before branching to identify_machine | ||
57 | */ | ||
58 | cpu_setup_t cpu_setup; | ||
59 | }; | ||
60 | |||
61 | extern struct cpu_spec cpu_specs[]; | ||
62 | extern struct cpu_spec *cur_cpu_spec[]; | ||
63 | |||
64 | static inline unsigned int cpu_has_feature(unsigned int feature) | ||
65 | { | ||
66 | return cur_cpu_spec[0]->cpu_features & feature; | ||
67 | } | ||
68 | |||
69 | #endif /* __ASSEMBLY__ */ | ||
70 | |||
71 | /* CPU kernel features */ | ||
72 | #define CPU_FTR_SPLIT_ID_CACHE 0x00000001 | ||
73 | #define CPU_FTR_L2CR 0x00000002 | ||
74 | #define CPU_FTR_SPEC7450 0x00000004 | ||
75 | #define CPU_FTR_ALTIVEC 0x00000008 | ||
76 | #define CPU_FTR_TAU 0x00000010 | ||
77 | #define CPU_FTR_CAN_DOZE 0x00000020 | ||
78 | #define CPU_FTR_USE_TB 0x00000040 | ||
79 | #define CPU_FTR_604_PERF_MON 0x00000080 | ||
80 | #define CPU_FTR_601 0x00000100 | ||
81 | #define CPU_FTR_HPTE_TABLE 0x00000200 | ||
82 | #define CPU_FTR_CAN_NAP 0x00000400 | ||
83 | #define CPU_FTR_L3CR 0x00000800 | ||
84 | #define CPU_FTR_L3_DISABLE_NAP 0x00001000 | ||
85 | #define CPU_FTR_NAP_DISABLE_L2_PR 0x00002000 | ||
86 | #define CPU_FTR_DUAL_PLL_750FX 0x00004000 | ||
87 | #define CPU_FTR_NO_DPM 0x00008000 | ||
88 | #define CPU_FTR_HAS_HIGH_BATS 0x00010000 | ||
89 | #define CPU_FTR_NEED_COHERENT 0x00020000 | ||
90 | #define CPU_FTR_NO_BTIC 0x00040000 | ||
91 | #define CPU_FTR_BIG_PHYS 0x00080000 | ||
92 | |||
93 | #ifdef __ASSEMBLY__ | ||
94 | |||
95 | #define BEGIN_FTR_SECTION 98: | ||
96 | |||
97 | #define END_FTR_SECTION(msk, val) \ | ||
98 | 99: \ | ||
99 | .section __ftr_fixup,"a"; \ | ||
100 | .align 2; \ | ||
101 | .long msk; \ | ||
102 | .long val; \ | ||
103 | .long 98b; \ | ||
104 | .long 99b; \ | ||
105 | .previous | ||
106 | |||
107 | #else | ||
108 | |||
109 | #define BEGIN_FTR_SECTION "98:\n" | ||
110 | #define END_FTR_SECTION(msk, val) \ | ||
111 | "99:\n" \ | ||
112 | " .section __ftr_fixup,\"a\";\n" \ | ||
113 | " .align 2;\n" \ | ||
114 | " .long "#msk";\n" \ | ||
115 | " .long "#val";\n" \ | ||
116 | " .long 98b;\n" \ | ||
117 | " .long 99b;\n" \ | ||
118 | " .previous\n" | ||
119 | |||
120 | |||
121 | #endif /* __ASSEMBLY__ */ | ||
122 | |||
123 | #define END_FTR_SECTION_IFSET(msk) END_FTR_SECTION((msk), (msk)) | ||
124 | #define END_FTR_SECTION_IFCLR(msk) END_FTR_SECTION((msk), 0) | ||
125 | |||
126 | #endif /* __ASM_PPC_CPUTABLE_H */ | ||
127 | #endif /* __KERNEL__ */ | ||
128 | |||
diff --git a/include/asm-ppc/mmu_context.h b/include/asm-ppc/mmu_context.h index afe26ffc2e2d..4f152cca13c1 100644 --- a/include/asm-ppc/mmu_context.h +++ b/include/asm-ppc/mmu_context.h | |||
@@ -164,13 +164,11 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, | |||
164 | struct task_struct *tsk) | 164 | struct task_struct *tsk) |
165 | { | 165 | { |
166 | #ifdef CONFIG_ALTIVEC | 166 | #ifdef CONFIG_ALTIVEC |
167 | asm volatile ( | 167 | if (cpu_has_feature(CPU_FTR_ALTIVEC)) |
168 | BEGIN_FTR_SECTION | 168 | asm volatile ("dssall;\n" |
169 | "dssall;\n" | ||
170 | #ifndef CONFIG_POWER4 | 169 | #ifndef CONFIG_POWER4 |
171 | "sync;\n" /* G4 needs a sync here, G5 apparently not */ | 170 | "sync;\n" /* G4 needs a sync here, G5 apparently not */ |
172 | #endif | 171 | #endif |
173 | END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) | ||
174 | : : ); | 172 | : : ); |
175 | #endif /* CONFIG_ALTIVEC */ | 173 | #endif /* CONFIG_ALTIVEC */ |
176 | 174 | ||