source: mainline/kernel/arch/ppc32/src/cpu/cpu.c@ df7f5cea

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since df7f5cea was df7f5cea, checked in by Jakub Jermar <jakub@…>, 11 years ago

Experimental support for hard-floats on ppc32.

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1/*
2 * Copyright (c) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup ppc32
30 * @{
31 */
32/** @file
33 */
34
35#include <arch/cpu.h>
36#include <cpu.h>
37#include <arch.h>
38#include <print.h>
39#include <fpu_context.h>
40
41void cpu_arch_init(void)
42{
43#ifdef CONFIG_FPU
44 fpu_enable();
45#endif
46}
47
48void cpu_identify(void)
49{
50 cpu_version(&CPU->arch);
51}
52
53void cpu_print_report(cpu_t *cpu)
54{
55 const char *name;
56
57 switch (cpu->arch.version) {
58 case 8:
59 name = "PowerPC 750";
60 break;
61 case 9:
62 name = "PowerPC 604e";
63 break;
64 case 0x81:
65 name = "PowerPC 8260";
66 break;
67 case 0x8081:
68 name = "PowerPC 826xA";
69 break;
70 default:
71 name = "unknown";
72 }
73
74 printf("cpu%u: version=%" PRIu16" (%s), revision=%" PRIu16 "\n", cpu->id,
75 cpu->arch.version, name, cpu->arch.revision);
76}
77
78/** @}
79 */
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