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2007-11-29 Till Straumann <strauman@slac.stanford.edu>
* mpc6xx/exceptions/raw_exception.c, mpc6xx/exceptions/raw_exception.h: removed. mpc6xx uses generic version in new-exceptions.
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@@ -1,3 +1,9 @@
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2007-11-29 Till Straumann <strauman@slac.stanford.edu>
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* mpc6xx/exceptions/raw_exception.c,
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mpc6xx/exceptions/raw_exception.h: removed. mpc6xx
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uses generic version in new-exceptions.
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2007-11-29 Till Straumann <strauman@slac.stanford.edu>
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* shared/include/cpuIdent.h, shared/include/cpuIdent.c:
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/*
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* raw_execption.h
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*
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* This file contains implementation of C function to
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* Instantiate 60x ppc primary exception entries.
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* More detailed information can be found on motorola
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* site and more precisely in the following book :
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*
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* MPC750
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* Risc Microporcessor User's Manual
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* Mtorola REF : MPC750UM/AD 8/97
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*
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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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* Enhanced by Jay Kulpinski <jskulpin@eng01.gdds.com>
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* to support 603, 603e, 604, 604e exceptions
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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_RAW_EXCEPTION_H
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#define _LIBCPU_RAW_EXCEPTION_H
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/*
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* Exception Vectors as defined in the MCP750 manual
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*/
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#define ASM_RESET_VECTOR 0x01
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#define ASM_MACH_VECTOR 0x02
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#define ASM_PROT_VECTOR 0x03
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#define ASM_ISI_VECTOR 0x04
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#define ASM_EXT_VECTOR 0x05
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#define ASM_ALIGN_VECTOR 0x06
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#define ASM_PROG_VECTOR 0x07
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#define ASM_FLOAT_VECTOR 0x08
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#define ASM_DEC_VECTOR 0x09
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/* Bummer: Altivec unavailable doesn't fit into this scheme... (0xf20).
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* We'd like to avoid reserved vectors but OTOH we don't want to use
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* just an available high number because tables (and copies) are of
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* size LAST_VALID_EXC.
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* So until there is a CPU that uses 0xA we'll just use that :-(
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*/
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#define ASM_VEC_VECTOR 0x0A
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#define ASM_SYS_VECTOR 0x0C
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#define ASM_TRACE_VECTOR 0x0D
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#define ASM_PERFMON_VECTOR 0x0F
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#define ASM_IMISS_VECTOR 0x10
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#define ASM_DLMISS_VECTOR 0x11
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#define ASM_DSMISS_VECTOR 0x12
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#define ASM_ADDR_VECTOR 0x13
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#define ASM_SYSMGMT_VECTOR 0x14
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#define ASM_VEC_ASSIST_VECTOR 0x16
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#define ASM_ITM_VECTOR 0x17
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#define LAST_VALID_EXC ASM_ITM_VECTOR
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/*
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* Vector offsets as defined in the MCP750 manual
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*/
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#define ASM_RESET_VECTOR_OFFSET (ASM_RESET_VECTOR << 8)
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#define ASM_MACH_VECTOR_OFFSET (ASM_MACH_VECTOR << 8)
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#define ASM_PROT_VECTOR_OFFSET (ASM_PROT_VECTOR << 8)
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#define ASM_ISI_VECTOR_OFFSET (ASM_ISI_VECTOR << 8)
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#define ASM_EXT_VECTOR_OFFSET (ASM_EXT_VECTOR << 8)
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#define ASM_ALIGN_VECTOR_OFFSET (ASM_ALIGN_VECTOR << 8)
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#define ASM_PROG_VECTOR_OFFSET (ASM_PROG_VECTOR << 8)
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#define ASM_FLOAT_VECTOR_OFFSET (ASM_FLOAT_VECTOR << 8)
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#define ASM_DEC_VECTOR_OFFSET (ASM_DEC_VECTOR << 8)
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#define ASM_SYS_VECTOR_OFFSET (ASM_SYS_VECTOR << 8)
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#define ASM_TRACE_VECTOR_OFFSET (ASM_TRACE_VECTOR << 8)
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#define ASM_PERFMON_VECTOR_OFFSET (ASM_PERFMON_VECTOR << 8)
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#define ASM_VEC_VECTOR_OFFSET (0xf20)
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#define ASM_ADDR_VECTOR_OFFSET (ASM_ADDR_VECTOR << 8)
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#define ASM_SYSMGMT_VECTOR_OFFSET (ASM_SYSMGMT_VECTOR << 8)
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#define ASM_VEC_ASSIST_VECTOR_OFFSET (ASM_VEC_ASSIST_VECTOR << 8)
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#define ASM_ITM_VECTOR_OFFSET (ASM_ITM_VECTOR << 8)
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#ifndef ASM
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/*
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* Type definition for raw exceptions.
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*/
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typedef unsigned char rtems_vector;
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struct __rtems_raw_except_connect_data__;
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typedef void (*rtems_raw_except_func) (void);
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typedef unsigned char rtems_raw_except_hdl_size;
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typedef struct {
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rtems_vector vector;
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rtems_raw_except_func raw_hdl;
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rtems_raw_except_hdl_size raw_hdl_size;
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}rtems_raw_except_hdl;
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typedef void (*rtems_raw_except_enable) (const struct __rtems_raw_except_connect_data__*);
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typedef void (*rtems_raw_except_disable) (const struct __rtems_raw_except_connect_data__*);
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typedef int (*rtems_raw_except_is_enabled) (const struct __rtems_raw_except_connect_data__*);
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typedef struct __rtems_raw_except_connect_data__{
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/*
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* Exception vector (As defined in the manual)
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*/
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rtems_vector exceptIndex;
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/*
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* Exception raw handler. See comment on handler properties below in function prototype.
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*/
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rtems_raw_except_hdl hdl;
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/*
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* function for enabling raw exceptions. In order to be consistent
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* with the fact that the raw connexion can defined in the
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* libcpu library, this library should have no knowledge of
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* board specific hardware to manage exceptions and thus the
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* "on" routine must enable the except at processor level only.
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*
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*/
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rtems_raw_except_enable on;
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/*
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* function for disabling raw exceptions. In order to be consistent
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* with the fact that the raw connexion can defined in the
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* libcpu library, this library should have no knowledge of
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* board specific hardware to manage exceptions and thus the
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* "on" routine must disable the except both at device and PIC level.
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*
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*/
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rtems_raw_except_disable off;
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/*
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* function enabling to know what exception may currently occur
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*/
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rtems_raw_except_is_enabled isOn;
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}rtems_raw_except_connect_data;
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typedef struct {
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/*
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* size of all the table fields (*Tbl) described below.
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*/
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unsigned int exceptSize;
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/*
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* Default handler used when disconnecting exceptions.
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*/
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rtems_raw_except_connect_data defaultRawEntry;
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/*
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* Table containing initials/current value.
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*/
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rtems_raw_except_connect_data* rawExceptHdlTbl;
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}rtems_raw_except_global_settings;
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/*
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* C callable function enabling to set up one raw idt entry
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*/
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extern int mpc60x_set_exception (const rtems_raw_except_connect_data*);
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/*
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* C callable function enabling to get one current raw idt entry
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*/
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extern int mpc60x_get_current_exception (rtems_raw_except_connect_data*);
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/*
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* C callable function enabling to remove one current raw idt entry
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*/
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extern int mpc60x_delete_exception (const rtems_raw_except_connect_data*);
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/*
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* C callable function enabling to check if vector is valid
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*/
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extern int mpc750_vector_is_valid(rtems_vector vector);
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/*
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* Exception global init.
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*/
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extern int mpc60x_init_exceptions (rtems_raw_except_global_settings* config);
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extern int mpc60x_get_exception_config (rtems_raw_except_global_settings** config);
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# endif /* ASM */
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#endif
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