forked from Imagelibrary/rtems
2001-10-22 Andy Dachs <a.dachs@sstl.co.uk>
* Added mpc8260 directory. * Modified Makefile.am and configure.in to build the contents * mpc8260/Makefile.am, mpc8260/README, mpc8260/clock/Makefile.am, mpc8260/clock/clock.c, mpc8260/console-generic/Makefile.am, mpc8260/console-generic/console-generic.c, mpc8260/cpm/.cvsignore, mpc8260/cpm/Makefile.am, mpc8260/cpm/brg.c, mpc8260/cpm/cp.c, mpc8260/cpm/dpram.c, mpc8260/exceptions/.cvsignore, mpc8260/exceptions/Makefile.am, mpc8260/exceptions/asm_utils.S, mpc8260/exceptions/raw_exception.c, mpc8260/exceptions/raw_exception.h, mpc8260/include/Makefile.am, mpc8260/include/console.h, mpc8260/include/cpm.h, mpc8260/include/mmu.h, mpc8260/include/mpc8260.h, mpc8260/mmu/Makefile.am, mpc8260/mmu/mmu.c, mpc8260/timer/Makefile.am, mpc8260/timer/timer.c: New files.
This commit is contained in:
Joel Sherrill
183
c/src/lib/libcpu/powerpc/mpc8260/exceptions/raw_exception.h
Normal file
183
c/src/lib/libcpu/powerpc/mpc8260/exceptions/raw_exception.h
Normal file
@@ -0,0 +1,183 @@
|
||||
/*
|
||||
* raw_execption.h
|
||||
*
|
||||
* This file contains implementation of C function to
|
||||
* Instanciate 8xx ppc primary exception entries.
|
||||
* More detailled information can be found on motorola
|
||||
* site and more precisely in the following book :
|
||||
*
|
||||
* MPC860
|
||||
* Risc Microporcessor User's Manual
|
||||
* Motorola REF : MPC860UM/AD 07/98 Rev .1
|
||||
*
|
||||
* Copyright (C) 1999 Eric Valette (valette@crf.canon.fr)
|
||||
* Canon Centre Recherche France.
|
||||
*
|
||||
* Modified Andy Dachs <a.dachs@sstl.co.uk>
|
||||
* Surrey Satellite Technology Limited (SSTL), 2001
|
||||
* for MPC8260
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef _LIBCPU_MPC8XX_EXCEPTION_RAW_EXCEPTION_H
|
||||
#define _LIBCPU_MPC8XX_EXCEPTION_RAW_EXCEPTION_H
|
||||
|
||||
/*
|
||||
* Exception Vectors as defined in the MCP750 manual
|
||||
*/
|
||||
|
||||
#define ASM_RESET_VECTOR 0x01
|
||||
#define ASM_MACH_VECTOR 0x02
|
||||
#define ASM_PROT_VECTOR 0x03
|
||||
#define ASM_ISI_VECTOR 0x04
|
||||
#define ASM_EXT_VECTOR 0x05
|
||||
#define ASM_ALIGN_VECTOR 0x06
|
||||
#define ASM_PROG_VECTOR 0x07
|
||||
#define ASM_FLOAT_VECTOR 0x08
|
||||
#define ASM_DEC_VECTOR 0x09
|
||||
|
||||
#define ASM_SYS_VECTOR 0x0C
|
||||
#define ASM_TRACE_VECTOR 0x0D
|
||||
#define ASM_FLOATASSIST_VECTOR 0x0E
|
||||
|
||||
#define ASM_ITLBMISS_VECTOR 0x10
|
||||
#define ASM_DTLBLMISS_VECTOR 0x11
|
||||
#define ASM_DTLBSMISS_VECTOR 0x12
|
||||
#define ASM_IBREAK_VECTOR 0x13
|
||||
#define ASM_SYSMANAGE_VECTOR 0x14
|
||||
|
||||
#define LAST_VALID_EXC ASM_SYSMANAGE_VECTOR
|
||||
|
||||
/*
|
||||
* Vector offsets as defined in the MPC8260 manual
|
||||
*/
|
||||
|
||||
#define ASM_RESET_VECTOR_OFFSET (ASM_RESET_VECTOR << 8)
|
||||
#define ASM_MACH_VECTOR_OFFSET (ASM_MACH_VECTOR << 8)
|
||||
#define ASM_PROT_VECTOR_OFFSET (ASM_PROT_VECTOR << 8)
|
||||
#define ASM_ISI_VECTOR_OFFSET (ASM_ISI_VECTOR << 8)
|
||||
#define ASM_EXT_VECTOR_OFFSET (ASM_EXT_VECTOR << 8)
|
||||
#define ASM_ALIGN_VECTOR_OFFSET (ASM_ALIGN_VECTOR << 8)
|
||||
#define ASM_PROG_VECTOR_OFFSET (ASM_PROG_VECTOR << 8)
|
||||
#define ASM_FLOAT_VECTOR_OFFSET (ASM_FLOAT_VECTOR << 8)
|
||||
#define ASM_DEC_VECTOR_OFFSET (ASM_DEC_VECTOR << 8)
|
||||
|
||||
#define ASM_SYS_VECTOR_OFFSET (ASM_SYS_VECTOR << 8)
|
||||
#define ASM_TRACE_VECTOR_OFFSET (ASM_TRACE_VECTOR << 8)
|
||||
#define ASM_FLOATASSIST_VECTOR_OFFSET (ASM_FLOATASSIST_VECTOR << 8)
|
||||
|
||||
#define ASM_ITLBMISS_VECTOR_OFFSET (ASM_ITLBMISS_VECTOR << 8)
|
||||
#define ASM_DTLBLMISS_VECTOR_OFFSET (ASM_DTLBLMISS_VECTOR << 8)
|
||||
#define ASM_DTLBSMISS_VECTOR_OFFSET (ASM_DTLBSMISS_VECTOR << 8)
|
||||
|
||||
#define ASM_IBREAK_VECTOR_OFFSET (ASM_IBREAK_VECTOR << 8)
|
||||
#define ASM_SYSMANAGE_VECTOR_OFFSET (ASM_SYSMANAGE_VECTOR << 8)
|
||||
|
||||
#ifndef ASM
|
||||
|
||||
/*
|
||||
* Type definition for raw exceptions.
|
||||
*/
|
||||
|
||||
typedef unsigned char rtems_vector;
|
||||
struct __rtems_raw_except_connect_data__;
|
||||
typedef void (*rtems_raw_except_func) (void);
|
||||
typedef unsigned char rtems_raw_except_hdl_size;
|
||||
|
||||
typedef struct {
|
||||
rtems_vector vector;
|
||||
rtems_raw_except_func raw_hdl;
|
||||
rtems_raw_except_hdl_size raw_hdl_size;
|
||||
}rtems_raw_except_hdl;
|
||||
|
||||
typedef void (*rtems_raw_except_enable) (const struct __rtems_raw_except_connect_data__*);
|
||||
typedef void (*rtems_raw_except_disable) (const struct __rtems_raw_except_connect_data__*);
|
||||
typedef int (*rtems_raw_except_is_enabled) (const struct __rtems_raw_except_connect_data__*);
|
||||
|
||||
typedef struct __rtems_raw_except_connect_data__{
|
||||
/*
|
||||
* Exception vector (As defined in the manual)
|
||||
*/
|
||||
rtems_vector exceptIndex;
|
||||
/*
|
||||
* Exception raw handler. See comment on handler properties below in function prototype.
|
||||
*/
|
||||
rtems_raw_except_hdl hdl;
|
||||
/*
|
||||
* function for enabling raw exceptions. In order to be consistent
|
||||
* with the fact that the raw connexion can defined in the
|
||||
* libcpu library, this library should have no knowledge of
|
||||
* board specific hardware to manage exceptions and thus the
|
||||
* "on" routine must enable the except at processor level only.
|
||||
*
|
||||
*/
|
||||
rtems_raw_except_enable on;
|
||||
/*
|
||||
* function for disabling raw exceptions. In order to be consistent
|
||||
* with the fact that the raw connexion can defined in the
|
||||
* libcpu library, this library should have no knowledge of
|
||||
* board specific hardware to manage exceptions and thus the
|
||||
* "on" routine must disable the except both at device and PIC level.
|
||||
*
|
||||
*/
|
||||
rtems_raw_except_disable off;
|
||||
/*
|
||||
* function enabling to know what exception may currently occur
|
||||
*/
|
||||
rtems_raw_except_is_enabled isOn;
|
||||
}rtems_raw_except_connect_data;
|
||||
|
||||
typedef struct {
|
||||
/*
|
||||
* size of all the table fields (*Tbl) described below.
|
||||
*/
|
||||
unsigned int exceptSize;
|
||||
/*
|
||||
* Default handler used when disconnecting exceptions.
|
||||
*/
|
||||
rtems_raw_except_connect_data defaultRawEntry;
|
||||
/*
|
||||
* Table containing initials/current value.
|
||||
*/
|
||||
rtems_raw_except_connect_data* rawExceptHdlTbl;
|
||||
}rtems_raw_except_global_settings;
|
||||
|
||||
/*
|
||||
* C callable function enabling to set up one raw idt entry
|
||||
*/
|
||||
extern int mpc8xx_set_exception (const rtems_raw_except_connect_data*);
|
||||
|
||||
/*
|
||||
* C callable function enabling to get one current raw idt entry
|
||||
*/
|
||||
extern int mpc8xx_get_current_exception (rtems_raw_except_connect_data*);
|
||||
|
||||
/*
|
||||
* C callable function enabling to remove one current raw idt entry
|
||||
*/
|
||||
extern int mpc8xx_delete_exception (const rtems_raw_except_connect_data*);
|
||||
|
||||
/*
|
||||
* C callable function enabling to check if vector is valid
|
||||
*/
|
||||
extern int mpc8xx_vector_is_valid(rtems_vector vector);
|
||||
|
||||
inline static void* mpc8xx_get_vector_addr(rtems_vector vector)
|
||||
{
|
||||
return ((void*) (((unsigned) vector) << 8));
|
||||
}
|
||||
/*
|
||||
* Exception global init.
|
||||
*/
|
||||
extern int mpc8xx_init_exceptions (rtems_raw_except_global_settings* config);
|
||||
extern int mpc8xx_get_exception_config (rtems_raw_except_global_settings** config);
|
||||
|
||||
# endif /* ASM */
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user