forked from Imagelibrary/rtems
e463f8c968
This batch of relicensing was enabled by the combination of Eric Valette and Andy Dachs giving permission. Updates #3053
174 lines
4.8 KiB
C
174 lines
4.8 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
|
|
|
|
/*
|
|
* Copyright (C) 1999 Eric Valette (eric.valette@free.fr)
|
|
* Copyright (C) 2000 Andy Dachs <a.dachs@sstl.co.uk>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#ifndef _LIBCPU_CPUIDENT_H
|
|
#define _LIBCPU_CPUIDENT_H
|
|
|
|
#include <stdbool.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef ASM
|
|
typedef enum
|
|
{
|
|
PPC_601 = 0x1,
|
|
PPC_5XX = 0x2,
|
|
PPC_603 = 0x3,
|
|
PPC_604 = 0x4,
|
|
PPC_603e = 0x6,
|
|
PPC_603ev = 0x7,
|
|
PPC_750 = 0x8,
|
|
PPC_750_IBM = 0x7000,
|
|
PPC_604e = 0x9,
|
|
PPC_604r = 0xA,
|
|
PPC_7400 = 0xC,
|
|
PPC_405 = 0x2001, /* Xilinx Virtex-II Pro or -4 */
|
|
PPC_405EX = 0x1291, /* + 405EXr */
|
|
PPC_405GP = 0x4011, /* + 405CR */
|
|
PPC_405GPr = 0x5091,
|
|
PPC_405EZ = 0x4151,
|
|
PPC_405EP = 0x5121,
|
|
PPC_440 = 0x7ff2, /* Xilinx Virtex-5*/
|
|
PPC_7455 = 0x8001, /* Kate Feng */
|
|
PPC_7457 = 0x8002,
|
|
PPC_620 = 0x16,
|
|
PPC_860 = 0x50,
|
|
PPC_821 = PPC_860,
|
|
PPC_823 = PPC_860,
|
|
PPC_8260 = 0x81,
|
|
PPC_8240 = PPC_8260,
|
|
PPC_8245 = 0x8081,
|
|
PPC_8540 = 0x8020,
|
|
PPC_e500v2 = 0x8021,
|
|
PPC_e6500 = 0x8040,
|
|
PPC_603le = 0x8082, /* 603le core, in MGT5100 and MPC5200 */
|
|
PPC_e300c1 = 0x8083, /* e300c1 core, in MPC83xx*/
|
|
PPC_e300c2 = 0x8084, /* e300c2 core */
|
|
PPC_e300c3 = 0x8085, /* e300c3 core */
|
|
PPC_e200z0 = 0x8170,
|
|
PPC_e200z1 = 0x8140,
|
|
PPC_e200z4 = 0x8150,
|
|
PPC_e200z6 = 0x8110,
|
|
PPC_e200z7 = 0x8160,
|
|
PPC_PSIM = 0xfffe, /* GDB PowerPC simulator -- fake version */
|
|
PPC_UNKNOWN = 0xffff
|
|
} ppc_cpu_id_t;
|
|
|
|
/* Bitfield of for identifying features or groups of cpu flavors.
|
|
* DO NOT USE DIRECTLY (as implementation may change)
|
|
* only use the 'ppc_is_xxx() / ppc_has_xxx()' macros/inlines
|
|
* below.
|
|
*/
|
|
|
|
typedef struct {
|
|
unsigned has_altivec : 1;
|
|
unsigned has_fpu : 1;
|
|
unsigned has_hw_ptbl_lkup : 1;
|
|
#define PPC_BOOKE_405 1 /* almost like booke but with some significant differences */
|
|
#define PPC_BOOKE_STD 2
|
|
#define PPC_BOOKE_E500 3 /* bookE with extensions */
|
|
unsigned is_bookE : 2;
|
|
unsigned has_16byte_clne : 1;
|
|
unsigned is_60x : 1;
|
|
unsigned has_8_bats : 1;
|
|
unsigned has_epic : 1;
|
|
unsigned has_shadowed_gprs : 1;
|
|
} ppc_feature_t;
|
|
|
|
extern ppc_feature_t current_ppc_features;
|
|
extern ppc_cpu_id_t current_ppc_cpu;
|
|
|
|
typedef unsigned short ppc_cpu_revision_t;
|
|
|
|
extern ppc_cpu_id_t get_ppc_cpu_type (void);
|
|
extern const char *get_ppc_cpu_type_name(ppc_cpu_id_t cpu);
|
|
extern ppc_cpu_revision_t get_ppc_cpu_revision (void);
|
|
extern ppc_cpu_revision_t current_ppc_revision;
|
|
|
|
/* PUBLIC ACCESS ROUTINES */
|
|
#define _PPC_FEAT_DECL(x) \
|
|
static inline unsigned ppc_cpu_##x(void) { \
|
|
if ( PPC_UNKNOWN == current_ppc_cpu ) \
|
|
get_ppc_cpu_type(); \
|
|
return current_ppc_features.x; \
|
|
}
|
|
|
|
_PPC_FEAT_DECL(has_altivec)
|
|
/* has_fpu not implemented yet */
|
|
_PPC_FEAT_DECL(has_hw_ptbl_lkup)
|
|
_PPC_FEAT_DECL(is_bookE)
|
|
_PPC_FEAT_DECL(is_60x)
|
|
_PPC_FEAT_DECL(has_8_bats)
|
|
_PPC_FEAT_DECL(has_epic)
|
|
_PPC_FEAT_DECL(has_shadowed_gprs)
|
|
|
|
#undef _PPC_FEAT_DECL
|
|
|
|
static inline ppc_cpu_id_t ppc_cpu_current(void)
|
|
{
|
|
return current_ppc_cpu;
|
|
}
|
|
|
|
static inline bool ppc_cpu_is_e200(void)
|
|
{
|
|
return (ppc_cpu_current() & 0xff80) == 0x8100;
|
|
}
|
|
|
|
static inline bool ppc_cpu_is_specific_e200(ppc_cpu_id_t id)
|
|
{
|
|
return (ppc_cpu_current() & 0xfff0) == id;
|
|
}
|
|
|
|
static inline bool ppc_cpu_is_e300(void)
|
|
{
|
|
return ppc_cpu_current() == PPC_e300c1
|
|
|| ppc_cpu_current() == PPC_e300c2
|
|
|| ppc_cpu_current() == PPC_e300c3;
|
|
}
|
|
|
|
static inline bool ppc_cpu_is_e500(void)
|
|
{
|
|
return ppc_cpu_current() == PPC_8540
|
|
|| ppc_cpu_current() == PPC_e500v2;
|
|
}
|
|
|
|
static inline bool ppc_cpu_is(ppc_cpu_id_t cpu)
|
|
{
|
|
return ppc_cpu_current() == cpu;
|
|
}
|
|
|
|
#endif /* ASM */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|