Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3674 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2008 Pavel Rimsky |
||
| 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 sparc64 |
||
| 30 | * @{ |
||
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 35 | #ifndef KERN_sparc64_CPU_FAMILY_H_ |
||
| 36 | #define KERN_sparc64_CPU_FAMILY_H_ |
||
| 37 | |||
| 38 | #include <arch.h> |
||
| 39 | #include <cpu.h> |
||
| 40 | #include <arch/register.h> |
||
| 41 | #include <arch/asm.h> |
||
| 42 | |||
| 43 | /** |
||
| 44 | * Find the processor (sub)family. |
||
| 45 | * |
||
| 46 | * @return true iff the CPU belongs to the US family |
||
| 47 | */ |
||
| 48 | static inline bool is_us(void) |
||
| 49 | { |
||
| 50 | int impl = ((ver_reg_t) ver_read()).impl; |
||
| 51 | return (impl == IMPL_ULTRASPARCI) || (impl == IMPL_ULTRASPARCII) || |
||
| 52 | (impl == IMPL_ULTRASPARCII_I) || (impl == IMPL_ULTRASPARCII_E); |
||
| 53 | } |
||
| 54 | |||
| 55 | /** |
||
| 56 | * Find the processor (sub)family. |
||
| 57 | * |
||
| 58 | * @return true iff the CPU belongs to the US-III subfamily |
||
| 59 | */ |
||
| 60 | static inline bool is_us_iii(void) |
||
| 61 | { |
||
| 62 | int impl = ((ver_reg_t) ver_read()).impl; |
||
| 63 | return (impl == IMPL_ULTRASPARCIII) || |
||
| 64 | (impl == IMPL_ULTRASPARCIII_PLUS) || |
||
| 65 | (impl == IMPL_ULTRASPARCIII_I); |
||
| 66 | } |
||
| 67 | |||
| 68 | /** |
||
| 69 | * Find the processor (sub)family. |
||
| 70 | * |
||
| 71 | * @return true iff the CPU belongs to the US-IV subfamily |
||
| 72 | */ |
||
| 73 | static inline bool is_us_iv(void) |
||
| 74 | { |
||
| 75 | int impl = ((ver_reg_t) ver_read()).impl; |
||
| 76 | return (impl == IMPL_ULTRASPARCIV) || (impl == IMPL_ULTRASPARCIV_PLUS); |
||
| 77 | } |
||
| 78 | |||
| 79 | #endif |
||
| 80 | |||
| 81 | /** @} |
||
| 82 | */ |