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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Pavel Rimsky |
2 | * Copyright (c) 2008 Pavel Rimsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup sparc64 |
29 | /** @addtogroup sparc64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_sparc64_CPU_FAMILY_H_ |
35 | #ifndef KERN_sparc64_CPU_FAMILY_H_ |
36 | #define KERN_sparc64_CPU_FAMILY_H_ |
36 | #define KERN_sparc64_CPU_FAMILY_H_ |
37 | 37 | ||
38 | #include <arch.h> |
38 | #include <arch.h> |
39 | #include <cpu.h> |
39 | #include <cpu.h> |
40 | #include <arch/register.h> |
40 | #include <arch/register.h> |
41 | #include <arch/asm.h> |
41 | #include <arch/asm.h> |
42 | 42 | ||
43 | /** |
43 | /** |
44 | * Find the processor (sub)family. |
44 | * Find the processor (sub)family. |
45 | * |
45 | * |
46 | * @return true iff the CPU belongs to the US family |
46 | * @return true iff the CPU belongs to the US family |
47 | */ |
47 | */ |
48 | static inline bool is_us(void) |
48 | static inline bool is_us(void) |
49 | { |
49 | { |
50 | int impl = ((ver_reg_t) ver_read()).impl; |
50 | int impl = ((ver_reg_t) ver_read()).impl; |
51 | return (impl == IMPL_ULTRASPARCI) || (impl == IMPL_ULTRASPARCII) || |
51 | return (impl == IMPL_ULTRASPARCI) || (impl == IMPL_ULTRASPARCII) || |
52 | (impl == IMPL_ULTRASPARCII_I) || (impl == IMPL_ULTRASPARCII_E); |
52 | (impl == IMPL_ULTRASPARCII_I) || (impl == IMPL_ULTRASPARCII_E); |
53 | } |
53 | } |
54 | 54 | ||
55 | /** |
55 | /** |
56 | * Find the processor (sub)family. |
56 | * Find the processor (sub)family. |
57 | * |
57 | * |
58 | * @return true iff the CPU belongs to the US-III subfamily |
58 | * @return true iff the CPU belongs to the US-III subfamily |
59 | */ |
59 | */ |
60 | static inline bool is_us_iii(void) |
60 | static inline bool is_us_iii(void) |
61 | { |
61 | { |
62 | int impl = ((ver_reg_t) ver_read()).impl; |
62 | int impl = ((ver_reg_t) ver_read()).impl; |
63 | return (impl == IMPL_ULTRASPARCIII) || |
63 | return (impl == IMPL_ULTRASPARCIII) || |
64 | (impl == IMPL_ULTRASPARCIII_PLUS) || |
64 | (impl == IMPL_ULTRASPARCIII_PLUS) || |
65 | (impl == IMPL_ULTRASPARCIII_I); |
65 | (impl == IMPL_ULTRASPARCIII_I); |
66 | } |
66 | } |
67 | 67 | ||
68 | /** |
68 | /** |
69 | * Find the processor (sub)family. |
69 | * Find the processor (sub)family. |
70 | * |
70 | * |
71 | * @return true iff the CPU belongs to the US-IV subfamily |
71 | * @return true iff the CPU belongs to the US-IV subfamily |
72 | */ |
72 | */ |
73 | static inline bool is_us_iv(void) |
73 | static inline bool is_us_iv(void) |
74 | { |
74 | { |
75 | int impl = ((ver_reg_t) ver_read()).impl; |
75 | int impl = ((ver_reg_t) ver_read()).impl; |
76 | return (impl == IMPL_ULTRASPARCIV) || (impl == IMPL_ULTRASPARCIV_PLUS); |
76 | return (impl == IMPL_ULTRASPARCIV) || (impl == IMPL_ULTRASPARCIV_PLUS); |
77 | } |
77 | } |
78 | 78 | ||
79 | #endif |
79 | #endif |
80 | 80 | ||
81 | /** @} |
81 | /** @} |
82 | */ |
- | |
83 | 82 | */ |
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- | 83 | ||
- | 84 |