/* * Copyright (c) 2008 Pavel Rimsky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup kernel_sparc64 * @{ */ /** @file */ #ifndef KERN_sparc64_CPU_FAMILY_H_ #define KERN_sparc64_CPU_FAMILY_H_ #include <arch.h> #include <cpu.h> #include <arch/register.h> #include <arch/asm.h> /** * Find the processor (sub)family. * * @return true iff the CPU belongs to the US family */ static inline bool is_us(void) { int impl = ((ver_reg_t) ver_read()).impl; return (impl == IMPL_ULTRASPARCI) || (impl == IMPL_ULTRASPARCII) || (impl == IMPL_ULTRASPARCII_I) || (impl == IMPL_ULTRASPARCII_E); } /** * Find the processor (sub)family. * * @return true iff the CPU belongs to the US-III subfamily */ static inline bool is_us_iii(void) { int impl = ((ver_reg_t) ver_read()).impl; return (impl == IMPL_ULTRASPARCIII) || (impl == IMPL_ULTRASPARCIII_PLUS) || (impl == IMPL_ULTRASPARCIII_I); } /** * Find the processor (sub)family. * * @return true iff the CPU belongs to the US-IV subfamily */ static inline bool is_us_iv(void) { int impl = ((ver_reg_t) ver_read()).impl; return (impl == IMPL_ULTRASPARCIV) || (impl == IMPL_ULTRASPARCIV_PLUS); } #endif /** @} */