/branches/sparc/kernel/arch/sparc64/include/sun4u/cpu_node.h |
---|
0,0 → 1,58 |
/* |
* Copyright (c) 2005 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 sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CPU_NODE_H_ |
#define KERN_sparc64_CPU_NODE_H_ |
#include <genarch/ofw/ofw_tree.h> |
/** Finds the parent node of all the CPU nodes (nodes named "cpu" or "cmp"). |
* |
* Depending on the machine type (and possibly the OFW version), CPUs can be |
* at "/" or at "/ssm@0,0". |
*/ |
static inline ofw_tree_node_t *cpus_parent(void) |
{ |
ofw_tree_node_t *parent; |
parent = ofw_tree_find_child(ofw_tree_lookup("/"), "ssm@0,0"); |
if (parent == NULL) |
parent = ofw_tree_lookup("/"); |
return parent; |
} |
#endif |
/** @} |
*/ |
/branches/sparc/kernel/arch/sparc64/include/sun4u/asm.h |
---|
40,6 → 40,20 |
extern void write_to_ag_g7(uint64_t val); |
extern void write_to_ig_g6(uint64_t val); |
/** Read Version Register. |
* |
* @return Value of VER register. |
*/ |
static inline uint64_t ver_read(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%ver, %0\n" : "=r" (v)); |
return v; |
} |
#endif |
/** @} |
/branches/sparc/kernel/arch/sparc64/include/sun4u/register.h |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* 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 sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_sun4u_REGISTER_H_ |
#define KERN_sparc64_sun4u_REGISTER_H_ |
#include <arch/regdef.h> |
#include <arch/types.h> |
/** Version Register. */ |
union ver_reg { |
uint64_t value; |
struct { |
uint16_t manuf; /**< Manufacturer code. */ |
uint16_t impl; /**< Implementation code. */ |
uint8_t mask; /**< Mask set revision. */ |
unsigned : 8; |
uint8_t maxtl; |
unsigned : 3; |
unsigned maxwin : 5; |
} __attribute__ ((packed)); |
}; |
typedef union ver_reg ver_reg_t; |
/** Processor State Register. */ |
union pstate_reg { |
uint64_t value; |
struct { |
uint64_t : 52; |
unsigned ig : 1; /**< Interrupt Globals. */ |
unsigned mg : 1; /**< MMU Globals. */ |
unsigned cle : 1; /**< Current Little Endian. */ |
unsigned tle : 1; /**< Trap Little Endian. */ |
unsigned mm : 2; /**< Memory Model. */ |
unsigned red : 1; /**< RED state. */ |
unsigned pef : 1; /**< Enable floating-point. */ |
unsigned am : 1; /**< 32-bit Address Mask. */ |
unsigned priv : 1; /**< Privileged Mode. */ |
unsigned ie : 1; /**< Interrupt Enable. */ |
unsigned ag : 1; /**< Alternate Globals*/ |
} __attribute__ ((packed)); |
}; |
typedef union pstate_reg pstate_reg_t; |
#endif |
/** @} |
*/ |
/branches/sparc/kernel/arch/sparc64/include/sun4u/cpu_family.h |
---|
0,0 → 1,83 |
/* |
* 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 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> |
#include <arch/cpu.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 |
/** @} |
*/ |