| 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 | */
|
|---|
| 83 |
|
|---|
