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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libcpu/] [powerpc/] [shared/] [cpuIdent.c] - Rev 596
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/* * cpuIdent.c -- Cpu identification code * * Copyright (C) 1999 Eric Valette. valette@crf.canon.fr * * The license and distribution terms for this file may be * found in found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: cpuIdent.c,v 1.2 2001-09-27 12:01:30 chris Exp $ * */ #include <libcpu/spr.h> /* * Generate inline code to read Processor Version Register */ SPR_RO(PVR) ppc_cpu_id_t current_ppc_cpu = PPC_UNKNOWN; ppc_cpu_revision_t current_ppc_revision = 0xff; ppc_cpu_id_t get_ppc_cpu_type() { unsigned int pvr = (_read_PVR() >> 16) ; current_ppc_cpu = (ppc_cpu_id_t) pvr; switch (pvr) { case PPC_601 : case PPC_603 : case PPC_604 : case PPC_603e : case PPC_603ev: case PPC_750 : case PPC_604e : case PPC_604r : case PPC_620 : case PPC_860 : current_ppc_cpu = (ppc_cpu_id_t) pvr; return current_ppc_cpu; default : printk("Unknown PVR value. Please add it to <libcpu/powerpc/shared/cpu.h> \n"); return PPC_UNKNOWN; } } ppc_cpu_revision_t get_ppc_cpu_revision() { ppc_cpu_revision_t rev = (ppc_cpu_revision_t) (_read_PVR() & 0xffff); current_ppc_revision = rev; return rev; }
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