cputable.c (0337966d121ebebf73a1c346123e8112796e684e) cputable.c (5a61ef74f269f2573f48fa53607a8911216c3326)
1/*
2 * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
3 *
4 * Modifications for ppc64:
5 * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License

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18#include <linux/jump_label.h>
19
20#include <asm/oprofile_impl.h>
21#include <asm/cputable.h>
22#include <asm/prom.h> /* for PTRRELOC on ARCH=ppc */
23#include <asm/mmu.h>
24#include <asm/setup.h>
25
1/*
2 * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
3 *
4 * Modifications for ppc64:
5 * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License

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18#include <linux/jump_label.h>
19
20#include <asm/oprofile_impl.h>
21#include <asm/cputable.h>
22#include <asm/prom.h> /* for PTRRELOC on ARCH=ppc */
23#include <asm/mmu.h>
24#include <asm/setup.h>
25
26struct cpu_spec* cur_cpu_spec = NULL;
26static struct cpu_spec the_cpu_spec __read_mostly;
27
28struct cpu_spec* cur_cpu_spec __read_mostly = NULL;
27EXPORT_SYMBOL(cur_cpu_spec);
28
29/* The platform string corresponding to the real PVR */
30const char *powerpc_base_platform;
31
32/* NOTE:
33 * Unlike ppc32, ppc64 will only call this once for the boot CPU, it's
34 * the responsibility of the appropriate CPU save/restore functions to

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2174 .dcache_bsize = 32,
2175 .machine_check = machine_check_e500,
2176 .platform = "powerpc",
2177 }
2178#endif /* CONFIG_PPC32 */
2179#endif /* CONFIG_E500 */
2180};
2181
29EXPORT_SYMBOL(cur_cpu_spec);
30
31/* The platform string corresponding to the real PVR */
32const char *powerpc_base_platform;
33
34/* NOTE:
35 * Unlike ppc32, ppc64 will only call this once for the boot CPU, it's
36 * the responsibility of the appropriate CPU save/restore functions to

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2176 .dcache_bsize = 32,
2177 .machine_check = machine_check_e500,
2178 .platform = "powerpc",
2179 }
2180#endif /* CONFIG_PPC32 */
2181#endif /* CONFIG_E500 */
2182};
2183
2182static struct cpu_spec the_cpu_spec;
2184void __init set_cur_cpu_spec(struct cpu_spec *s)
2185{
2186 struct cpu_spec *t = &the_cpu_spec;
2183
2187
2188 t = PTRRELOC(t);
2189 *t = *s;
2190
2191 *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
2192}
2193
2184static struct cpu_spec * __init setup_cpu_spec(unsigned long offset,
2185 struct cpu_spec *s)
2186{
2187 struct cpu_spec *t = &the_cpu_spec;
2188 struct cpu_spec old;
2189
2190 t = PTRRELOC(t);
2191 old = *t;

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2261 return setup_cpu_spec(offset, s);
2262 }
2263
2264 BUG();
2265
2266 return NULL;
2267}
2268
2194static struct cpu_spec * __init setup_cpu_spec(unsigned long offset,
2195 struct cpu_spec *s)
2196{
2197 struct cpu_spec *t = &the_cpu_spec;
2198 struct cpu_spec old;
2199
2200 t = PTRRELOC(t);
2201 old = *t;

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2271 return setup_cpu_spec(offset, s);
2272 }
2273
2274 BUG();
2275
2276 return NULL;
2277}
2278
2279/*
2280 * Used by cpufeatures to get the name for CPUs with a PVR table.
2281 * If they don't hae a PVR table, cpufeatures gets the name from
2282 * cpu device-tree node.
2283 */
2284void __init identify_cpu_name(unsigned int pvr)
2285{
2286 struct cpu_spec *s = cpu_specs;
2287 struct cpu_spec *t = &the_cpu_spec;
2288 int i;
2289
2290 s = PTRRELOC(s);
2291 t = PTRRELOC(t);
2292
2293 for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++) {
2294 if ((pvr & s->pvr_mask) == s->pvr_value) {
2295 t->cpu_name = s->cpu_name;
2296 return;
2297 }
2298 }
2299}
2300
2301
2269#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
2270struct static_key_true cpu_feature_keys[NUM_CPU_FTR_KEYS] = {
2271 [0 ... NUM_CPU_FTR_KEYS - 1] = STATIC_KEY_TRUE_INIT
2272};
2273EXPORT_SYMBOL_GPL(cpu_feature_keys);
2274
2275void __init cpu_feature_keys_init(void)
2276{

--- 27 unchanged lines hidden --- 		2302#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
2303struct static_key_true cpu_feature_keys[NUM_CPU_FTR_KEYS] = {
2304 [0 ... NUM_CPU_FTR_KEYS - 1] = STATIC_KEY_TRUE_INIT
2305};
2306EXPORT_SYMBOL_GPL(cpu_feature_keys);
2307
2308void __init cpu_feature_keys_init(void)
2309{

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