forked from Imagelibrary/rtems
98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
/*
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* Copyright (C) 1999 Eric Valette (valette@crf.canon.fr)
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* Canon Centre Recherche France.
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*
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* Added MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
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* Surrey Satellite Technology Limited
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*
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*
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* The license and distribution terms for this file may be
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* found in found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#ifndef _LIBCPU_CPUIDENT_H
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#define _LIBCPU_CPUIDENT_H
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#ifndef ASM
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typedef enum
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{
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PPC_601 = 0x1,
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PPC_5XX = 0x2,
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PPC_603 = 0x3,
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PPC_604 = 0x4,
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PPC_603e = 0x6,
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PPC_603ev = 0x7,
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PPC_750 = 0x8,
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PPC_604e = 0x9,
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PPC_604r = 0xA,
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PPC_7400 = 0xC,
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PPC_405 = 0x2001,
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PPC_7455 = 0x8001, /* Kate Feng */
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PPC_7457 = 0x8002,
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PPC_620 = 0x16,
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PPC_860 = 0x50,
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PPC_821 = PPC_860,
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PPC_823 = PPC_860,
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PPC_8260 = 0x81,
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PPC_8240 = PPC_8260,
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PPC_8245 = 0x8081,
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PPC_8540 = 0x8020,
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PPC_603le = 0x8082, /* 603le core, in MGT5100 and MPC5200 */
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PPC_e300c1 = 0x8083, /* e300c1 core, in MPC83xx*/
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PPC_e300c2 = 0x8084, /* e300c2 core */
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PPC_e300c3 = 0x8085, /* e300c3 core */
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PPC_PSIM = 0xfffe, /* GDB PowerPC simulator -- fake version */
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PPC_UNKNOWN = 0xffff
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} ppc_cpu_id_t;
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/* Bitfield of for identifying features or groups of cpu flavors.
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* DO NOT USE DIRECTLY (as implementation may change)
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* only use the 'ppc_is_xxx() / ppc_has_xxx()' macros/inlines
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* below.
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*/
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typedef struct {
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unsigned has_altivec : 1;
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unsigned has_fpu : 1;
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unsigned has_hw_ptbl_lkup : 1;
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unsigned is_bookE : 1;
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unsigned has_16byte_clne : 1;
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unsigned is_60x : 1;
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unsigned has_8_bats : 1;
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unsigned has_epic : 1;
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} ppc_feature_t;
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extern ppc_feature_t current_ppc_features;
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extern ppc_cpu_id_t current_ppc_cpu;
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typedef unsigned short ppc_cpu_revision_t;
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extern ppc_cpu_id_t get_ppc_cpu_type ();
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extern char *get_ppc_cpu_type_name(ppc_cpu_id_t cpu);
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extern ppc_cpu_revision_t get_ppc_cpu_revision ();
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extern ppc_cpu_revision_t current_ppc_revision;
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/* PUBLIC ACCESS ROUTINES */
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#define _PPC_FEAT_DECL(x) \
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static inline ppc_cpu_##x() { \
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if ( PPC_UNKNOWN == current_ppc_cpu ) \
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get_ppc_cpu_type(); \
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return current_ppc_features.x; \
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}
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_PPC_FEAT_DECL(has_altivec)
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/* has_fpu not implemented yet */
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_PPC_FEAT_DECL(has_hw_ptbl_lkup)
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_PPC_FEAT_DECL(is_bookE)
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_PPC_FEAT_DECL(is_60x)
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_PPC_FEAT_DECL(has_8_bats)
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_PPC_FEAT_DECL(has_epic)
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#undef _PPC_FEAT_DECL
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#endif /* ASM */
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#endif
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