mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-10-25 06:52:50 +08:00
New port of RTEMS to TI C3x and C4x.
This commit is contained in:
Joel Sherrill
@@ -0,0 +1,48 @@
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##
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## $Id$
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##
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||||
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||||
AUTOMAKE_OPTIONS = foreign 1.4
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ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal
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SUBDIRS = rtems
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C_FILES = cpu.c irq.c
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C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
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H_FILES = asm.h c4xio.h
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S_FILES = cpu_asm.S
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S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o)
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REL = $(ARCH)/rtems-cpu.rel
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include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
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include $(top_srcdir)/../../../../../../automake/lib.am
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rtems_cpu_rel_OBJECTS = $(C_O_FILES) $(S_O_FILES)
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$(PROJECT_INCLUDE):
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$(mkinstalldirs) $@
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$(PROJECT_INCLUDE)/%.h: %.h
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$(INSTALL_DATA) $< $@
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$(PROJECT_RELEASE)/lib/rtems$(LIB_VARIANT).o: $(ARCH)/rtems.o
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$(INSTALL_DATA) $< $@
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$(REL): $(rtems_cpu_rel_OBJECTS)
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$(make-rel)
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PREINSTALL_FILES += $(PROJECT_INCLUDE) $(H_FILES:%=$(PROJECT_INCLUDE)/%)
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TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/rtems$(LIB_VARIANT).o
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all-local: $(ARCH) $(PREINSTALL_FILES) $(rtems_cpu_rel_OBJECTS) $(REL) $(TMPINSTALL_FILES)
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.PRECIOUS: $(REL)
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EXTRA_DIST = asm.h cpu.c irq.c cpu_asm.S c4xio.h rtems.c
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include $(top_srcdir)/../../../../../../automake/subdirs.am
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include $(top_srcdir)/../../../../../../automake/local.am
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@@ -0,0 +1,101 @@
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/* asm.h
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||||
*
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||||
* This include file attempts to address the problems
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||||
* caused by incompatible flavors of assemblers and
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||||
* toolsets. It primarily addresses variations in the
|
||||
* use of leading underscores on symbols and the requirement
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||||
* that register names be preceded by a %.
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||||
*
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*
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||||
* NOTE: The spacing in the use of these macros
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* is critical to them working as advertised.
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*
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* COPYRIGHT:
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*
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* This file is based on similar code found in newlib available
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* from ftp.cygnus.com. The file which was used had no copyright
|
||||
* notice. This file is freely distributable as long as the source
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||||
* of the file is noted. This file is:
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||||
*
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||||
* COPYRIGHT (c) 1994-1997.
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||||
* On-Line Applications Research Corporation (OAR).
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||||
*
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||||
* $Id$
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||||
*/
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#ifndef __C4X_ASM_h
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#define __C4X_ASM_h
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/*
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* Indicate we are in an assembly file and get the basic CPU definitions.
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*/
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#ifndef ASM
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#define ASM
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#endif
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#include <rtems/score/targopts.h>
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#include <rtems/score/c4x.h>
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/*
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* Recent versions of GNU cpp define variables which indicate the
|
||||
* need for underscores and percents. If not using GNU cpp or
|
||||
* the version does not support this, then you will obviously
|
||||
* have to define these as appropriate.
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||||
*/
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||||
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||||
#ifndef __USER_LABEL_PREFIX__
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#define __USER_LABEL_PREFIX__ _
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#endif
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#ifndef __REGISTER_PREFIX__
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#define __REGISTER_PREFIX__
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#endif
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||||
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||||
/* ANSI concatenation macros. */
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||||
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||||
#define CONCAT1(a, b) CONCAT2(a, b)
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#define CONCAT2(a, b) a ## b
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||||
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||||
/* Use the right prefix for global labels. */
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#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
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||||
|
||||
/* Use the right prefix for registers. */
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#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
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/*
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* define macros for all of the registers on this CPU
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*
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* EXAMPLE: #define d0 REG (d0)
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*/
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||||
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||||
/*
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* Define macros to handle section beginning and ends.
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||||
*/
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||||
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||||
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||||
#define BEGIN_CODE_DCL .text
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#define END_CODE_DCL
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||||
#define BEGIN_DATA_DCL .data
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||||
#define END_DATA_DCL
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||||
#define BEGIN_CODE .text
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||||
#define END_CODE
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#define BEGIN_DATA
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||||
#define END_DATA
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||||
#define BEGIN_BSS
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||||
#define END_BSS
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||||
#define END
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||||
|
||||
/*
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||||
* Following must be tailor for a particular flavor of the C compiler.
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||||
* They may need to put underscores in front of the symbols.
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||||
*/
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||||
|
||||
#define PUBLIC(sym) .globl SYM (sym)
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||||
#define EXTERN(sym) .globl SYM (sym)
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#endif
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||||
/* end of include file */
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||||
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||||
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@@ -0,0 +1,52 @@
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/*
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* C4X IO Information
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||||
*
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* $Id$
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||||
*/
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||||
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#ifndef __C4XIO_h
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#define __C4XIO_h
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/*
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* The following section of C4x timer code is based on C40 specific
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* timer code from Ran Cabell <rcabell@norfolk.infi.net>. The
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* only C3x/C4x difference spotted was the address of the timer.
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* The names have been changed to be more RTEMS like.
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*/
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struct c4x_timer {
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volatile int tcontrol;
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volatile int r1[3];
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volatile int tcounter;
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volatile int r2[3];
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volatile int tperiod;
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};
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#ifdef _TMS320C40
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#define C4X_TIMER_0 ((struct c4x_timer*)0x100020)
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#else
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#define C4X_TIMER_0 ((struct c4x_timer*)0x808020)
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#define C4X_TIMER_1 ((struct c4x_timer*)0x808030)
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#endif
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#define c4x_timer_start( _timer ) \
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_timer->tcontrol=0x02c1
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#define c4x_timer_stop( _timer ) _timer->tcontrol = 0
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#define c4x_timer_get_counter( _timer ) (volatile int)(_timer->tcounter)
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#define c4x_timer_set_counter( _timer, _value ) \
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do { \
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(volatile int)(_timer->tcounter) = _value; \
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} while (0);
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#define c4x_timer_get_period( _timer ) (volatile int)(_timer->tperiod)
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#define c4x_timer_set_period( _timer, _value ) \
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do { \
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(volatile int)(_timer->tperiod) = _value; \
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} while (0);
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#endif
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/* end if include file */
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@@ -0,0 +1,34 @@
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dnl Process this file with autoconf to produce a configure script.
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dnl
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dnl $Id$
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AC_PREREQ(2.13)
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AC_INIT(cpu_asm.S)
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RTEMS_TOP(../../../../../..)
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AC_CONFIG_AUX_DIR(../../../../../..)
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RTEMS_CANONICAL_TARGET_CPU
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AM_INIT_AUTOMAKE(rtems-c-src-exec-score-cpu-c4x,$RTEMS_VERSION,no)
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AM_MAINTAINER_MODE
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RTEMS_ENV_RTEMSBSP
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RTEMS_CHECK_CPU
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RTEMS_CANONICAL_HOST
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RTEMS_PROJECT_ROOT
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RTEMS_PROG_CC_FOR_TARGET
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RTEMS_CANONICALIZE_TOOLS
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RTEMS_CHECK_NEWLIB
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# Check if there is custom/*.cfg for this BSP
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RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
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# Explicitly list all Makefiles here
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AC_OUTPUT(
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Makefile
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rtems/Makefile
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rtems/score/Makefile)
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@@ -0,0 +1,199 @@
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/*
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* XXX CPU Dependent Source
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||||
*
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||||
*
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||||
* COPYRIGHT (c) 1989-1999.
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||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
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||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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||||
*/
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#include <rtems/system.h>
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#include <rtems/score/isr.h>
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#include <rtems/score/wkspace.h>
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/* _CPU_Initialize
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*
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* This routine performs processor dependent initialization.
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*
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* INPUT PARAMETERS:
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* cpu_table - CPU table to initialize
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* thread_dispatch - address of disptaching routine
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*
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* C4x Specific Information:
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*
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*/
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void _CPU_Initialize(
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rtems_cpu_table *cpu_table,
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void (*thread_dispatch) /* ignored on this CPU */
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)
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{
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#if 0
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/*
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* The thread_dispatch argument is the address of the entry point
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* for the routine called at the end of an ISR once it has been
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* decided a context switch is necessary. On some compilation
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* systems it is difficult to call a high-level language routine
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* from assembly. This allows us to trick these systems.
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*
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* If you encounter this problem save the entry point in a CPU
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* dependent variable.
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*/
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_CPU_Thread_dispatch_pointer = thread_dispatch;
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#endif
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#if (CPU_HARDWARE_FP == TRUE)
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/*
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* If there is not an easy way to initialize the FP context
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* during Context_Initialize, then it is usually easier to
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* save an "uninitialized" FP context here and copy it to
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* the task's during Context_Initialize.
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*/
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/* FP context initialization support goes here */
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#endif
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_CPU_Table = *cpu_table;
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}
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/*PAGE
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*
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* _CPU_ISR_install_raw_handler
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*
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* C4x Specific Information:
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||||
*
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*/
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void _CPU_ISR_install_raw_handler(
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unsigned32 vector,
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proc_ptr new_handler,
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proc_ptr *old_handler
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)
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{
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void **ittp;
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/*
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* This is where we install the interrupt handler into the "raw" interrupt
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* table used by the CPU to dispatch interrupt handlers.
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*/
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ittp = c4x_get_ittp();
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*old_handler = ittp[ vector ];
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||||
ittp[ vector ] = new_handler;
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}
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||||
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||||
/*XXX */
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||||
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||||
#define C4X_CACHE 1
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#define C4X_BASE_ST (C4X_CACHE==1) ? 0x4800 : 0x4000
|
||||
|
||||
void _CPU_Context_Initialize(
|
||||
Context_Control *_the_context,
|
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void *_stack_base,
|
||||
unsigned32 _size,
|
||||
unsigned32 _isr,
|
||||
void (*_entry_point)(void),
|
||||
int _is_fp
|
||||
)
|
||||
{
|
||||
unsigned int *_stack;
|
||||
_stack = (unsigned int *)_stack_base;
|
||||
|
||||
*_stack = (unsigned int) _entry_point;
|
||||
_the_context->sp = (unsigned int) _stack;
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_the_context->st = C4X_BASE_ST;
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||||
if ( _isr == 0 )
|
||||
_the_context->st |= C4X_ST_GIE;
|
||||
}
|
||||
|
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/*PAGE
|
||||
*
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||||
* _CPU_ISR_install_vector
|
||||
*
|
||||
* This kernel routine installs the RTEMS handler for the
|
||||
* specified vector.
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||||
*
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||||
* Input parameters:
|
||||
* vector - interrupt vector number
|
||||
* old_handler - former ISR for this vector number
|
||||
* new_handler - replacement ISR for this vector number
|
||||
*
|
||||
* Output parameters: NONE
|
||||
*
|
||||
*
|
||||
* C4x Specific Information:
|
||||
*
|
||||
*/
|
||||
|
||||
void _CPU_ISR_install_vector(
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unsigned32 vector,
|
||||
proc_ptr new_handler,
|
||||
proc_ptr *old_handler
|
||||
)
|
||||
{
|
||||
proc_ptr ignored;
|
||||
extern void rtems_irq_prologue_0(void);
|
||||
extern void rtems_irq_prologue_1(void);
|
||||
void *entry;
|
||||
|
||||
*old_handler = _ISR_Vector_table[ vector ];
|
||||
|
||||
/*
|
||||
* If the interrupt vector table is a table of pointer to isr entry
|
||||
* points, then we need to install the appropriate RTEMS interrupt
|
||||
* handler for this vector number.
|
||||
*/
|
||||
|
||||
entry = (void *)rtems_irq_prologue_0 +
|
||||
((rtems_irq_prologue_1 - rtems_irq_prologue_0) * vector);
|
||||
_CPU_ISR_install_raw_handler( vector, entry, &ignored );
|
||||
|
||||
/*
|
||||
* We put the actual user ISR address in '_ISR_vector_table'. This will
|
||||
* be used by the _ISR_Handler so the user gets control.
|
||||
*/
|
||||
|
||||
_ISR_Vector_table[ vector ] = new_handler;
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* _CPU_Thread_Idle_body
|
||||
*
|
||||
* NOTES:
|
||||
*
|
||||
* 1. This is the same as the regular CPU independent algorithm.
|
||||
*
|
||||
* 2. If you implement this using a "halt", "idle", or "shutdown"
|
||||
* instruction, then don't forget to put it in an infinite loop.
|
||||
*
|
||||
* 3. Be warned. Some processors with onboard DMA have been known
|
||||
* to stop the DMA if the CPU were put in IDLE mode. This might
|
||||
* also be a problem with other on-chip peripherals. So use this
|
||||
* hook with caution.
|
||||
*
|
||||
* C4x Specific Information:
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
#if (CPU_PROVIDES_IDLE_THREAD_BODY == 1)
|
||||
void _CPU_Thread_Idle_body( void )
|
||||
{
|
||||
|
||||
for( ; ; ) {
|
||||
__asm__( "idle" );
|
||||
__asm__( "nop" );
|
||||
__asm__( "nop" );
|
||||
__asm__( "nop" );
|
||||
/* insert your "halt" instruction here */ ;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,82 @@
|
||||
/*
|
||||
* XXX CPU Dependent Source
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/score/cpu.h>
|
||||
#include <rtems/score/isr.h>
|
||||
#include <rtems/score/thread.h>
|
||||
|
||||
/*
|
||||
* This routine provides the RTEMS interrupt management.
|
||||
*/
|
||||
|
||||
#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
|
||||
unsigned long *_old_stack_ptr;
|
||||
#endif
|
||||
|
||||
register unsigned long *stack_ptr asm("sp");
|
||||
|
||||
void __ISR_Handler(unsigned32 vector, void *isr_sp)
|
||||
{
|
||||
register unsigned32 level;
|
||||
|
||||
/* already disabled when we get here */
|
||||
/* _CPU_ISR_Disable( level ); */
|
||||
|
||||
_Thread_Dispatch_disable_level++;
|
||||
|
||||
#if 0
|
||||
if ( stack_ptr > (_Thread_Executing->Start.stack +
|
||||
_Thread_Executing->Start.Initial_stack.size) ) {
|
||||
printk( "Blown interrupt stack at 0x%x\n", stack_ptr );
|
||||
}
|
||||
#endif
|
||||
|
||||
#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
|
||||
if ( _ISR_Nest_level == 0 ) {
|
||||
/* Install irq stack */
|
||||
_old_stack_ptr = stack_ptr;
|
||||
stack_ptr = _CPU_Interrupt_stack_low;
|
||||
}
|
||||
#endif
|
||||
|
||||
_ISR_Nest_level++;
|
||||
|
||||
/* leave it to the ISR to decide if they get reenabled */
|
||||
/* _CPU_ISR_Enable( level ); */
|
||||
|
||||
/* call isp */
|
||||
if ( _ISR_Vector_table[ vector] )
|
||||
(*_ISR_Vector_table[ vector ])(
|
||||
vector, isr_sp - sizeof(CPU_Interrupt_frame) + 1 );
|
||||
|
||||
_CPU_ISR_Disable( level );
|
||||
|
||||
_ISR_Nest_level--;
|
||||
|
||||
#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
|
||||
if ( _ISR_Nest_level == 0 ) /* restore old stack pointer */
|
||||
stack_ptr = _old_stack_ptr;
|
||||
#endif
|
||||
|
||||
_Thread_Dispatch_disable_level--;
|
||||
|
||||
_CPU_ISR_Enable( level );
|
||||
if ( _Thread_Dispatch_disable_level == 0 ) {
|
||||
if ( _Context_Switch_necessary || !_ISR_Signals_to_thread_executing ) {
|
||||
_ISR_Signals_to_thread_executing = FALSE;
|
||||
_Thread_Dispatch();
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,44 @@
|
||||
/* rtems.c ===> rtems.S or rtems.s
|
||||
*
|
||||
* This file contains the single entry point code for
|
||||
* the XXX implementation of RTEMS.
|
||||
*
|
||||
* NOTE: This is supposed to be a .S or .s file NOT a C file.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
/*
|
||||
* This is supposed to be an assembly file. This means that system.h
|
||||
* and cpu.h should not be included in a "real" rtems file.
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/score/cpu.h>
|
||||
/* #include "asm.h> */
|
||||
|
||||
/*
|
||||
* RTEMS
|
||||
*
|
||||
* This routine jumps to the directive indicated in the
|
||||
* CPU defined register. This routine is used when RTEMS is
|
||||
* linked by itself and placed in ROM. This routine is the
|
||||
* first address in the ROM space for RTEMS. The user "calls"
|
||||
* this address with the directive arguments in the normal place.
|
||||
* This routine then jumps indirectly to the correct directive
|
||||
* preserving the arguments. The directive should not realize
|
||||
* it has been "wrapped" in this way. The table "_Entry_points"
|
||||
* is used to look up the directive.
|
||||
*/
|
||||
|
||||
void RTEMS()
|
||||
{
|
||||
}
|
||||
|
||||
@@ -0,0 +1,10 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
SUBDIRS = score
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/subdirs.am
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,26 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
H_FILES = cpu.h c4x.h c4xtypes.h cpu_asm.h
|
||||
noinst_HEADERS = $(H_FILES)
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
PREINSTALL_FILES = \
|
||||
$(PROJECT_INCLUDE)/rtems/score \
|
||||
$(H_FILES:%.h=$(PROJECT_INCLUDE)/rtems/score/%.h)
|
||||
|
||||
$(PROJECT_INCLUDE)/rtems/score:
|
||||
$(mkinstalldirs) $@
|
||||
|
||||
$(PROJECT_INCLUDE)/rtems/score/%.h: %.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
all-local: $(PREINSTALL_FILES)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,56 @@
|
||||
/* c4xtypes.h
|
||||
*
|
||||
* This include file contains type definitions pertaining to the Intel
|
||||
* C4x processor family.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4X_TYPES_h
|
||||
#define __C4X_TYPES_h
|
||||
|
||||
#ifndef ASM
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* This section defines the basic types for this processor.
|
||||
*/
|
||||
|
||||
typedef unsigned char unsigned8; /* unsigned 8-bit integer */
|
||||
typedef unsigned short unsigned16; /* unsigned 16-bit integer */
|
||||
typedef unsigned int unsigned32; /* unsigned 32-bit integer */
|
||||
typedef unsigned long long unsigned64; /* unsigned 64-bit integer */
|
||||
|
||||
typedef unsigned16 Priority_Bit_map_control;
|
||||
|
||||
typedef signed char signed8; /* 8-bit signed integer */
|
||||
typedef signed short signed16; /* 16-bit signed integer */
|
||||
typedef signed int signed32; /* 32-bit signed integer */
|
||||
typedef signed long long signed64; /* 64 bit signed integer */
|
||||
|
||||
typedef unsigned32 boolean; /* Boolean value */
|
||||
|
||||
typedef float single_precision; /* single precision float */
|
||||
typedef double double_precision; /* double precision float */
|
||||
|
||||
typedef void c4x_isr;
|
||||
typedef void ( *c4x_isr_entry )( void );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* !ASM */
|
||||
|
||||
#endif
|
||||
/* end of include file */
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,70 @@
|
||||
/*
|
||||
* cpu_asm.h
|
||||
*
|
||||
* Very loose template for an include file for the cpu_asm.? file
|
||||
* if it is implemented as a ".S" file (preprocessed by cpp) instead
|
||||
* of a ".s" file (preprocessed by gm4 or gasp).
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __CPU_ASM_h
|
||||
#define __CPU_ASM_h
|
||||
|
||||
/* pull in the generated offsets */
|
||||
|
||||
#include <rtems/score/offsets.h>
|
||||
|
||||
/*
|
||||
* Hardware General Registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Hardware Floating Point Registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Hardware Control Registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Calling Convention
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Temporary registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Floating Point Registers - SW Conventions
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Temporary floating point registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
#endif
|
||||
|
||||
/* end of file */
|
||||
@@ -0,0 +1,56 @@
|
||||
/* c4xtypes.h
|
||||
*
|
||||
* This include file contains type definitions pertaining to the Intel
|
||||
* C4x processor family.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4X_TYPES_h
|
||||
#define __C4X_TYPES_h
|
||||
|
||||
#ifndef ASM
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* This section defines the basic types for this processor.
|
||||
*/
|
||||
|
||||
typedef unsigned char unsigned8; /* unsigned 8-bit integer */
|
||||
typedef unsigned short unsigned16; /* unsigned 16-bit integer */
|
||||
typedef unsigned int unsigned32; /* unsigned 32-bit integer */
|
||||
typedef unsigned long long unsigned64; /* unsigned 64-bit integer */
|
||||
|
||||
typedef unsigned16 Priority_Bit_map_control;
|
||||
|
||||
typedef signed char signed8; /* 8-bit signed integer */
|
||||
typedef signed short signed16; /* 16-bit signed integer */
|
||||
typedef signed int signed32; /* 32-bit signed integer */
|
||||
typedef signed long long signed64; /* 64 bit signed integer */
|
||||
|
||||
typedef unsigned32 boolean; /* Boolean value */
|
||||
|
||||
typedef float single_precision; /* single precision float */
|
||||
typedef double double_precision; /* double precision float */
|
||||
|
||||
typedef void c4x_isr;
|
||||
typedef void ( *c4x_isr_entry )( void );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* !ASM */
|
||||
|
||||
#endif
|
||||
/* end of include file */
|
||||
@@ -0,0 +1,12 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal
|
||||
|
||||
## Descend into the $(RTEMS_BSP_FAMILY) directory
|
||||
SUBDIRS = shared $(RTEMS_BSP_FAMILY)
|
||||
|
||||
include $(top_srcdir)/../../../../../automake/subdirs.am
|
||||
include $(top_srcdir)/../../../../../automake/local.am
|
||||
@@ -0,0 +1,17 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal
|
||||
|
||||
# wrapup is the one that actually builds and installs the library
|
||||
# from the individual .rel files built in other directories
|
||||
SUBDIRS = . start include startup console clock timer wrapup tools
|
||||
|
||||
include $(top_srcdir)/../../bsp.am
|
||||
|
||||
EXTRA_DIST = bsp_specs times
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/subdirs.am
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,46 @@
|
||||
#
|
||||
# $Id$
|
||||
#
|
||||
|
||||
BSP NAME: c4xsim
|
||||
BOARD: Simulator in GDB
|
||||
BUS: N/A
|
||||
CPU FAMILY: ppc
|
||||
CPU: C32 and others
|
||||
COPROCESSORS: N/A
|
||||
MODE: 32 bit mode
|
||||
|
||||
DEBUG MONITOR: gdb simulator
|
||||
|
||||
PERIPHERALS
|
||||
===========
|
||||
TIMERS: PPC internal Timebase register
|
||||
RESOLUTION: ???
|
||||
SERIAL PORTS: simulated via
|
||||
REAL-TIME CLOCK: ???
|
||||
DMA: none
|
||||
VIDEO: none
|
||||
SCSI: none
|
||||
NETWORKING: none
|
||||
|
||||
DRIVER INFORMATION
|
||||
==================
|
||||
CLOCK DRIVER: ???
|
||||
IOSUPP DRIVER: N/A
|
||||
SHMSUPP: N/A
|
||||
TIMER DRIVER: ???
|
||||
TTY DRIVER: ???
|
||||
|
||||
STDIO
|
||||
=====
|
||||
PORT: Console port 0
|
||||
ELECTRICAL: na
|
||||
BAUD: na
|
||||
BITS PER CHARACTER: na
|
||||
PARITY: na
|
||||
STOP BITS: na
|
||||
|
||||
Notes
|
||||
=====
|
||||
|
||||
NONE
|
||||
@@ -0,0 +1,23 @@
|
||||
%rename cpp old_cpp
|
||||
%rename lib old_lib
|
||||
%rename endfile old_endfile
|
||||
%rename startfile old_startfile
|
||||
%rename link old_link
|
||||
|
||||
*cpp:
|
||||
%(old_cpp) %{qrtems: -D__embedded__} -Asystem(embedded)
|
||||
|
||||
*lib:
|
||||
%{!qrtems: %(old_lib)} %{qrtems: --start-group \
|
||||
%{!qrtems_debug: -lrtemsall} %{qrtems_debug: -lrtemsall_g} \
|
||||
-lc -lgcc --end-group \
|
||||
%{!qnolinkcmds: -T linkcmds%s}}
|
||||
|
||||
*startfile:
|
||||
%{!qrtems: %(old_startfile)} %{qrtems: \
|
||||
%{!qrtems_debug: start.o%s} \
|
||||
%{qrtems_debug: start_g.o%s}}
|
||||
|
||||
*link:
|
||||
%{!qrtems: %(old_link)} %{qrtems: -dc -dp -N -e start}
|
||||
|
||||
@@ -0,0 +1,32 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
PGM = $(ARCH)/clock.rel
|
||||
|
||||
C_FILES = clock.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
|
||||
|
||||
OBJS = $(C_O_FILES)
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
$(PGM): $(OBJS)
|
||||
$(make-rel)
|
||||
|
||||
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(PGM)
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
|
||||
EXTRA_DIST = ckinit.c
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,35 @@
|
||||
dnl Process this file with autoconf to produce a configure script.
|
||||
dnl
|
||||
dnl $Id$
|
||||
|
||||
AC_PREREQ(2.13)
|
||||
AC_INIT(bsp_specs)
|
||||
RTEMS_TOP(../../../../../..)
|
||||
AC_CONFIG_AUX_DIR(../../../../../..)
|
||||
|
||||
RTEMS_CANONICAL_TARGET_CPU
|
||||
AM_INIT_AUTOMAKE(rtems-c-src-lib-libbsp-sparc-erc32,$RTEMS_VERSION,no)
|
||||
AM_MAINTAINER_MODE
|
||||
|
||||
RTEMS_PROG_CC_FOR_TARGET
|
||||
RTEMS_CANONICALIZE_TOOLS
|
||||
|
||||
RTEMS_ENV_RTEMSBSP
|
||||
RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
|
||||
RTEMS_CHECK_BSP_CACHE(RTEMS_BSP)
|
||||
RTEMS_CANONICAL_HOST
|
||||
|
||||
AC_CONFIG_SUBDIRS(tools)
|
||||
|
||||
RTEMS_PROJECT_ROOT
|
||||
|
||||
# Explicitly list all Makefiles here
|
||||
AC_OUTPUT(
|
||||
Makefile
|
||||
clock/Makefile
|
||||
console/Makefile
|
||||
include/Makefile
|
||||
start/Makefile
|
||||
startup/Makefile
|
||||
timer/Makefile
|
||||
wrapup/Makefile)
|
||||
@@ -0,0 +1,34 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
PGM = $(ARCH)/console.rel
|
||||
|
||||
VPATH = @srcdir@:@srcdir@/../../../shared
|
||||
|
||||
C_FILES = console.c consolereserveresources.c debugio.c simio.c printk.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
|
||||
|
||||
OBJS = $(C_O_FILES)
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
$(PGM): $(OBJS)
|
||||
$(make-rel)
|
||||
|
||||
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(PGM)
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
|
||||
EXTRA_DIST = console.c consolereserveresources.c debugputs.c
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,155 @@
|
||||
/*
|
||||
* This file contains the hardware specific portions of the TTY driver
|
||||
* for the serial ports on the erc32.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1997.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <rtems/libio.h>
|
||||
#include <stdlib.h>
|
||||
#include <assert.h>
|
||||
|
||||
#include <simio.h>
|
||||
|
||||
/*
|
||||
* console_outbyte_polled
|
||||
*
|
||||
* This routine transmits a character using polling.
|
||||
*/
|
||||
|
||||
void console_outbyte_polled(
|
||||
int port,
|
||||
char ch
|
||||
);
|
||||
|
||||
/*
|
||||
* console_inbyte_nonblocking
|
||||
*
|
||||
* This routine polls for a character.
|
||||
*/
|
||||
|
||||
int console_inbyte_nonblocking(
|
||||
int port
|
||||
);
|
||||
|
||||
/*
|
||||
* Console Termios Support Entry Points
|
||||
*
|
||||
*/
|
||||
|
||||
int console_write_support (
|
||||
int minor,
|
||||
const char *bufarg,
|
||||
int len
|
||||
)
|
||||
{
|
||||
int nwrite = 0;
|
||||
const char *buf = bufarg;
|
||||
|
||||
while (nwrite < len) {
|
||||
if ( *buf )
|
||||
console_outbyte_polled( minor, *buf & 0x7f );
|
||||
buf++;
|
||||
nwrite++;
|
||||
}
|
||||
return nwrite;
|
||||
}
|
||||
|
||||
/*
|
||||
* Console Device Driver Entry Points
|
||||
*
|
||||
*/
|
||||
|
||||
rtems_device_driver console_initialize(
|
||||
rtems_device_major_number major,
|
||||
rtems_device_minor_number minor,
|
||||
void *arg
|
||||
)
|
||||
{
|
||||
rtems_status_code status;
|
||||
|
||||
rtems_termios_initialize();
|
||||
|
||||
/*
|
||||
* Register Device Names
|
||||
*/
|
||||
|
||||
status = rtems_io_register_name( "/dev/console", major, 0 );
|
||||
if (status != RTEMS_SUCCESSFUL)
|
||||
rtems_fatal_error_occurred(status);
|
||||
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
rtems_device_driver console_open(
|
||||
rtems_device_major_number major,
|
||||
rtems_device_minor_number minor,
|
||||
void * arg
|
||||
)
|
||||
{
|
||||
rtems_status_code sc;
|
||||
static const rtems_termios_callbacks pollCallbacks = {
|
||||
NULL, /* firstOpen */
|
||||
NULL, /* lastClose */
|
||||
console_inbyte_nonblocking, /* pollRead */
|
||||
console_write_support, /* write */
|
||||
NULL, /* setAttributes */
|
||||
NULL, /* stopRemoteTx */
|
||||
NULL, /* startRemoteTx */
|
||||
0 /* outputUsesInterrupts */
|
||||
};
|
||||
|
||||
|
||||
assert( minor <= 1 );
|
||||
if ( minor > 2 )
|
||||
return RTEMS_INVALID_NUMBER;
|
||||
|
||||
sc = rtems_termios_open (major, minor, arg, &pollCallbacks );
|
||||
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
rtems_device_driver console_close(
|
||||
rtems_device_major_number major,
|
||||
rtems_device_minor_number minor,
|
||||
void * arg
|
||||
)
|
||||
{
|
||||
return rtems_termios_close (arg);
|
||||
}
|
||||
|
||||
rtems_device_driver console_read(
|
||||
rtems_device_major_number major,
|
||||
rtems_device_minor_number minor,
|
||||
void * arg
|
||||
)
|
||||
{
|
||||
return rtems_termios_read (arg);
|
||||
}
|
||||
|
||||
rtems_device_driver console_write(
|
||||
rtems_device_major_number major,
|
||||
rtems_device_minor_number minor,
|
||||
void * arg
|
||||
)
|
||||
{
|
||||
return rtems_termios_write (arg);
|
||||
}
|
||||
|
||||
rtems_device_driver console_control(
|
||||
rtems_device_major_number major,
|
||||
rtems_device_minor_number minor,
|
||||
void * arg
|
||||
)
|
||||
{
|
||||
return rtems_termios_ioctl (arg);
|
||||
}
|
||||
@@ -0,0 +1,26 @@
|
||||
/*
|
||||
* This file contains the TTY driver for the serial ports on the erc32.
|
||||
*
|
||||
* This driver uses the termios pseudo driver.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <rtems/libio.h>
|
||||
#include <stdlib.h>
|
||||
#include <assert.h>
|
||||
|
||||
void console_reserve_resources(
|
||||
rtems_configuration_table *configuration
|
||||
)
|
||||
{
|
||||
rtems_termios_reserve_resources( configuration, 2 );
|
||||
}
|
||||
@@ -0,0 +1,57 @@
|
||||
/*
|
||||
* This file contains the TTY driver for the serial ports on the erc32.
|
||||
*
|
||||
* This driver uses the termios pseudo driver.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <rtems/libio.h>
|
||||
#include <stdlib.h>
|
||||
#include <assert.h>
|
||||
|
||||
#include <simio.h>
|
||||
|
||||
/*
|
||||
* console_outbyte_polled
|
||||
*
|
||||
* This routine transmits a character using polling.
|
||||
*/
|
||||
|
||||
void console_outbyte_polled(
|
||||
int port,
|
||||
char ch
|
||||
)
|
||||
{
|
||||
char out[2];
|
||||
out[0] = ch;
|
||||
out[1] = 0;
|
||||
sim_write(1, out, 1);
|
||||
}
|
||||
|
||||
C4X_BSP_output_char( int c )
|
||||
{
|
||||
console_outbyte_polled( 0, (char) c );
|
||||
}
|
||||
|
||||
/*
|
||||
* console_inbyte_nonblocking
|
||||
*
|
||||
* This routine polls for a character.
|
||||
*/
|
||||
|
||||
int console_inbyte_nonblocking( int port )
|
||||
{
|
||||
char c;
|
||||
sim_read(1, &c, 1);
|
||||
return c;
|
||||
}
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,32 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
H_FILES = bsp.h simio.h
|
||||
|
||||
$(PROJECT_INCLUDE):
|
||||
$(mkinstalldirs) $@
|
||||
|
||||
$(PROJECT_INCLUDE)/%.h: %.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
$(PROJECT_INCLUDE)/bspIo.h: $(top_srcdir)/../../shared/include/bspIo.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
$(PROJECT_INCLUDE)/coverhd.h: $(top_srcdir)/../../shared/include/coverhd.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE) $(H_FILES:%.h=$(PROJECT_INCLUDE)/%.h) \
|
||||
$(PROJECT_INCLUDE)/bspIo.h $(PROJECT_INCLUDE)/coverhd.h
|
||||
|
||||
all-local: $(PREINSTALL_FILES)
|
||||
|
||||
EXTRA_DIST = bsp.h
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
|
||||
H_FILES = $(srcdir)/../../../shared/include/coverhd.h \
|
||||
$(srcdir)/bsp.h $(srcdir)/simio.h $(srcdir)/../../../shared/include/bspIo.h
|
||||
|
||||
@@ -0,0 +1,118 @@
|
||||
/* bsp.h
|
||||
*
|
||||
* This include file contains all C4X Simulator IO definitions.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* 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 __C4XSIM_h
|
||||
#define __C4XSIM_h
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifdef ASM
|
||||
|
||||
#else
|
||||
#include <rtems.h>
|
||||
#include <console.h>
|
||||
#include <clockdrv.h>
|
||||
#include <console.h>
|
||||
#include <iosupp.h>
|
||||
|
||||
|
||||
/*
|
||||
* Define the time limits for RTEMS Test Suite test durations.
|
||||
* Long test and short test duration limits are provided. These
|
||||
* values are in seconds and need to be converted to ticks for the
|
||||
* application.
|
||||
*
|
||||
*/
|
||||
|
||||
#define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */
|
||||
#define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */
|
||||
|
||||
|
||||
/*
|
||||
* Stuff for Time Test 27
|
||||
*/
|
||||
|
||||
#include <c4xio.h>
|
||||
#define MUST_WAIT_FOR_INTERRUPT 0
|
||||
|
||||
/* XXX */
|
||||
#define Install_tm27_vector( _handler ) \
|
||||
set_vector( (_handler), 0x20, 1 )
|
||||
|
||||
#define Cause_tm27_intr() \
|
||||
do { \
|
||||
__asm__ volatile ( "trapu 0" ); \
|
||||
} while (0)
|
||||
|
||||
#define Clear_tm27_intr() \
|
||||
do { \
|
||||
; \
|
||||
} while (0)
|
||||
|
||||
#define Lower_tm27_intr() \
|
||||
do { \
|
||||
c4x_global_interrupts_enable(); \
|
||||
} while (0)
|
||||
|
||||
/* Constants */
|
||||
|
||||
/*
|
||||
* Device Driver Table Entries
|
||||
*/
|
||||
|
||||
/*
|
||||
* NOTE: Use the standard Console driver entry
|
||||
*/
|
||||
|
||||
/*
|
||||
* NOTE: Use the standard Clock driver entry
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* Information placed in the linkcmds file.
|
||||
*/
|
||||
|
||||
/* functions */
|
||||
|
||||
void bsp_start( void );
|
||||
|
||||
void bsp_cleanup( void );
|
||||
|
||||
rtems_isr_entry set_vector( /* returns old vector */
|
||||
rtems_isr_entry handler, /* isr routine */
|
||||
rtems_vector_number vector, /* vector number */
|
||||
int type /* RTEMS or RAW intr */
|
||||
);
|
||||
|
||||
void BSP_fatal_return( void );
|
||||
|
||||
void bsp_spurious_initialize( void );
|
||||
|
||||
extern rtems_configuration_table BSP_Configuration; /* owned by BSP */
|
||||
|
||||
extern rtems_cpu_table Cpu_table; /* owned by BSP */
|
||||
|
||||
extern rtems_unsigned32 bsp_isr_level;
|
||||
|
||||
#endif /* ASM */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
/* end of include file */
|
||||
@@ -0,0 +1,25 @@
|
||||
/*
|
||||
* C4x simulator IO interface routines based on code provided
|
||||
* by Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4X_SIMIO_IFACE_h
|
||||
#define __C4X_SIMIO_IFACE_h
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
void sim_exit(void);
|
||||
int sim_open(const char *path, int flags, int fno);
|
||||
int sim_close(int fno);
|
||||
int sim_read(int fno, char *buf, unsigned count);
|
||||
int sim_write(int fno, const char *buf, unsigned count);
|
||||
fpos_t sim_lseek(int fno, fpos_t offset, int origin);
|
||||
int sim_unlink(const char *path);
|
||||
int sim_rename(const char *old, const char *new);
|
||||
char *sim_getenv(const char *str);
|
||||
int sim_gettime(void);
|
||||
int sim_getclock(void);
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
PGM = $(ARCH)/start.o
|
||||
|
||||
S_FILES = start.S
|
||||
S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o)
|
||||
|
||||
OBJS = $(S_O_FILES)
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
$(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o: $(PGM)
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
|
||||
EXTRA_DIST = start.S
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,71 @@
|
||||
/*
|
||||
* This start.S is a combination of the files boot.s and crt0.s
|
||||
* provided by Herman ...XXX
|
||||
*/
|
||||
|
||||
; .file "crt0.s"
|
||||
.ref _c_int00
|
||||
.global start
|
||||
.global _start
|
||||
|
||||
.if .tms320C40
|
||||
|
||||
.sect ".const"
|
||||
mem_control:
|
||||
.word 000100000h
|
||||
mem_data:
|
||||
.word 03ef78050h
|
||||
|
||||
.text
|
||||
start:
|
||||
_start:
|
||||
ldi 0800h,st
|
||||
ldp @mem_control
|
||||
ldi @mem_control,ar0
|
||||
ldp @mem_data
|
||||
ldi @mem_data,r0
|
||||
sti r0,*+ar0(0)
|
||||
sti r0,*+ar0(4)
|
||||
br _c_int00
|
||||
|
||||
.else
|
||||
|
||||
.sect ".const"
|
||||
mem_control:
|
||||
.word 000808000h
|
||||
mem_data:
|
||||
.word 000001f00h
|
||||
|
||||
.text
|
||||
start:
|
||||
_start:
|
||||
ldi 0800h,st
|
||||
ldp @mem_control
|
||||
ldi @mem_control,ar0
|
||||
ldp @mem_data
|
||||
ldi @mem_data,r0
|
||||
sti r0,*+ar0(0)
|
||||
sti r0,*+ar0(4)
|
||||
br _c_int00
|
||||
|
||||
.endif
|
||||
; .file "boot.s"
|
||||
.global __stack
|
||||
.global _c_int00
|
||||
.ref .bss
|
||||
.ref _boot_card
|
||||
.ref _exit
|
||||
|
||||
__stack: .usect ".stack",0
|
||||
.text
|
||||
stack_addr: .word __stack
|
||||
|
||||
_c_int00:
|
||||
ldp stack_addr
|
||||
ldi @stack_addr,sp
|
||||
ldi sp,ar3
|
||||
ldp .bss ; For the small model, set up the DP to .bss
|
||||
ldi 0,ar2 ; make sure argc=0 with regparm
|
||||
push ar2 ; and memparm
|
||||
call _boot_card
|
||||
call _sim_exit
|
||||
@@ -0,0 +1,43 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
VPATH = @srcdir@:@srcdir@/../../shared:@srcdir@/../../../shared
|
||||
|
||||
PGM = $(ARCH)/startup.rel
|
||||
|
||||
C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c main.c bootcard.c sbrk.c \
|
||||
setvec.c c3xspurious.c c4xspurious.c bspspuriousinit.c spurious.c \
|
||||
gnatinstallhandler.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
|
||||
|
||||
OBJS = $(C_O_FILES)
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
# USE_INIT_FINI tells main.c what C++ help we need.
|
||||
|
||||
# AM_CPPFLAGS += -DUSE_INIT_FINI
|
||||
|
||||
$(PGM): $(OBJS)
|
||||
$(make-rel)
|
||||
|
||||
$(PROJECT_RELEASE)/lib/linkcmds: linkcmds
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
|
||||
EXTRA_DIST = bspclean.c bspstart.c linkcmds setvec.c spurious.c
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,124 @@
|
||||
/*
|
||||
* This set of routines starts the application. It includes application,
|
||||
* board, and monitor specific initialization and configuration.
|
||||
* The generic CPU dependent initialization has been performed
|
||||
* before any of these are invoked.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <rtems/libio.h>
|
||||
|
||||
#include <libcsupport.h>
|
||||
|
||||
#include <string.h>
|
||||
|
||||
/*
|
||||
* The original table from the application and our copy of it with
|
||||
* some changes.
|
||||
*/
|
||||
|
||||
extern rtems_configuration_table Configuration;
|
||||
rtems_configuration_table BSP_Configuration;
|
||||
|
||||
rtems_cpu_table Cpu_table;
|
||||
|
||||
/*
|
||||
* Use the shared implementations of the following routines
|
||||
*/
|
||||
|
||||
void bsp_postdriver_hook(void);
|
||||
void bsp_libc_init( void *, unsigned32, int );
|
||||
extern void bsp_spurious_initialize();
|
||||
|
||||
/*
|
||||
* bsp_pretasking_hook
|
||||
*
|
||||
* BSP pretasking hook. Called just before drivers are initialized.
|
||||
* Used to setup libc and install any BSP extensions.
|
||||
*/
|
||||
|
||||
void bsp_pretasking_hook(void)
|
||||
{
|
||||
extern void *_HeapStart;
|
||||
extern rtems_unsigned32 _HeapSize;
|
||||
|
||||
bsp_libc_init(&_HeapStart, (unsigned int) &_HeapSize, 0);
|
||||
|
||||
#ifdef RTEMS_DEBUG
|
||||
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
|
||||
#endif
|
||||
|
||||
bsp_spurious_initialize();
|
||||
}
|
||||
|
||||
/*
|
||||
* bsp_start
|
||||
*
|
||||
* This routine does the bulk of the system initialization.
|
||||
*/
|
||||
|
||||
#include <bspIo.h>
|
||||
|
||||
BSP_output_char_function_type BSP_output_char;
|
||||
BSP_polling_getchar_function_type BSP_poll_char;
|
||||
extern void C4X_BSP_output_char(char c);
|
||||
|
||||
void bsp_start( void )
|
||||
{
|
||||
extern void *_WorkspaceBase;
|
||||
extern rtems_unsigned32 _WorkspaceMax;
|
||||
/*
|
||||
* Set up our hooks
|
||||
* Make sure libc_init is done before drivers initialized so that
|
||||
* they can use atexit()
|
||||
*/
|
||||
|
||||
Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */
|
||||
Cpu_table.postdriver_hook = bsp_postdriver_hook;
|
||||
|
||||
/*
|
||||
* SIS does zero out memory BUT only when IT begins execution. Thus
|
||||
* if we want to have a clean slate in the workspace each time we
|
||||
* begin execution of OUR application, then we must zero the workspace.
|
||||
*/
|
||||
Cpu_table.do_zero_of_workspace = FALSE;
|
||||
|
||||
/*
|
||||
* This should be enough interrupt stack.
|
||||
*/
|
||||
|
||||
Cpu_table.interrupt_stack_size = 0;
|
||||
|
||||
BSP_Configuration.work_space_start = (void *)&_WorkspaceBase;
|
||||
/* XXX check to see if satisfying small memory model */
|
||||
|
||||
if ( BSP_Configuration.work_space_size > (int) &_WorkspaceMax )
|
||||
rtems_fatal_error_occurred( 0x43218765 );
|
||||
|
||||
|
||||
/*
|
||||
* Account for the console's resources
|
||||
*/
|
||||
|
||||
console_reserve_resources( &BSP_Configuration );
|
||||
|
||||
/*
|
||||
* Add 1 extension for MPCI_fatal
|
||||
*/
|
||||
|
||||
if (BSP_Configuration.User_multiprocessing_table)
|
||||
BSP_Configuration.maximum_extensions++;
|
||||
|
||||
|
||||
BSP_output_char = C4X_BSP_output_char;
|
||||
BSP_poll_char = (BSP_polling_getchar_function_type) NULL;
|
||||
}
|
||||
@@ -0,0 +1,76 @@
|
||||
OUTPUT_FORMAT("coff-c4x")
|
||||
__SYSMEM_SIZE = DEFINED(__SYSMEM_SIZE) ? __SYSMEM_SIZE : 0x4000;
|
||||
__STACK_SIZE = DEFINED(__STACK_SIZE) ? __STACK_SIZE : 0x1000;
|
||||
__HeapSize = DEFINED(__HeapSize) ? __HeapSize : 0x10000;
|
||||
__WorkspaceMax = DEFINED(__WorkspaceMax) ? __WorkspaceMax : 256K;
|
||||
__ClockFrequency = DEFINED(_ClockFrequency) ? _ClockFrequency : 50;
|
||||
ENTRY(_start)
|
||||
SECTIONS
|
||||
{
|
||||
.vectors : {
|
||||
. += 4 * 64;
|
||||
}
|
||||
.text 0x200 : {
|
||||
*(.text)
|
||||
___CTOR_LIST__ = .;
|
||||
LONG(___CTOR_END__ - ___CTOR_LIST__ - 2)
|
||||
*(.ctors)
|
||||
LONG(0);
|
||||
___CTOR_END__ = .;
|
||||
___DTOR_LIST__ = .;
|
||||
LONG(___DTOR_END__ - ___DTOR_LIST__ - 2)
|
||||
*(.dtors)
|
||||
LONG(0)
|
||||
___DTOR_END__ = .;
|
||||
}
|
||||
.init : { *(.init) }
|
||||
.fini : { *(.fini) }
|
||||
.const :
|
||||
{
|
||||
*(.const)
|
||||
}
|
||||
.cinit :
|
||||
{
|
||||
*(.cinit)
|
||||
}
|
||||
.data :
|
||||
{
|
||||
*(.data)
|
||||
}
|
||||
.comms : {
|
||||
*(.comms)
|
||||
}
|
||||
.bss : {
|
||||
|
||||
.bss = .;
|
||||
*(.bss)
|
||||
*(COMMON)
|
||||
}
|
||||
.stack :
|
||||
{
|
||||
*(.stack)
|
||||
. = . + __STACK_SIZE;
|
||||
}
|
||||
.heap :
|
||||
{
|
||||
__HeapStart = .;
|
||||
. += __HeapSize;
|
||||
__WorkspaceBase = .;
|
||||
. += __WorkspaceMax;
|
||||
}
|
||||
/*
|
||||
.sysmem :
|
||||
{
|
||||
*(.sysmem)
|
||||
}
|
||||
*/
|
||||
.stab 0 :
|
||||
{
|
||||
[ .stab ]
|
||||
}
|
||||
.stabstr 0 :
|
||||
{
|
||||
[ .stabstr ]
|
||||
}
|
||||
/* The TI tools sets cinit to -1 if the ram model is used. */
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
/*
|
||||
* CXX Simulator Spurious Trap Handler Assistant
|
||||
*
|
||||
* This is just enough of a trap handler to let us know what
|
||||
* the likely source of the trap was.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <bspIo.h>
|
||||
#include <simio.h>
|
||||
|
||||
/*
|
||||
* bsp_spurious_handler_assistant
|
||||
*
|
||||
* We can't recover so just return to gdb.
|
||||
*/
|
||||
|
||||
void bsp_spurious_handler_assistant(
|
||||
rtems_vector_number vector,
|
||||
CPU_Interrupt_frame *isf
|
||||
)
|
||||
{
|
||||
sim_exit();
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
PGM = $(ARCH)/timer.rel
|
||||
|
||||
C_FILES = timer.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
|
||||
|
||||
OBJS = $(C_O_FILES)
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
$(PGM): $(OBJS)
|
||||
$(make-rel)
|
||||
|
||||
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(PGM)
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
|
||||
EXTRA_DIST = timer.c
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,117 @@
|
||||
/* timer.c
|
||||
*
|
||||
* This file manages the benchmark timer used by the RTEMS Timing Test
|
||||
* Suite. Each measured time period is demarcated by calls to
|
||||
* Timer_initialize() and Read_timer(). Read_timer() usually returns
|
||||
* the number of microseconds since Timer_initialize() exitted.
|
||||
*
|
||||
* NOTE: It is important that the timer start/stop overhead be
|
||||
* determined when porting or modifying this code.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems.h>
|
||||
#include <bsp.h>
|
||||
#include <c4xio.h>
|
||||
|
||||
rtems_unsigned32 Timer_interrupts;
|
||||
rtems_boolean Timer_driver_Find_average_overhead;
|
||||
|
||||
static unsigned32 start;
|
||||
|
||||
void Timer_initialize( void )
|
||||
{
|
||||
|
||||
/*
|
||||
* Timer has never overflowed. This may not be necessary on some
|
||||
* implemenations of timer but ....
|
||||
*/
|
||||
|
||||
|
||||
c4x_timer_stop(C4X_TIMER_0);
|
||||
c4x_timer_set_period(C4X_TIMER_0, 0xffffffff); /* so no interupts */
|
||||
c4x_timer_start(C4X_TIMER_0);
|
||||
start = c4x_timer_get_counter(C4X_TIMER_0);
|
||||
|
||||
Timer_interrupts = 0;
|
||||
|
||||
/*
|
||||
* Somehow start the timer
|
||||
*/
|
||||
}
|
||||
|
||||
/*
|
||||
* The following controls the behavior of Read_timer().
|
||||
*
|
||||
* AVG_OVEREHAD is the overhead for starting and stopping the timer. It
|
||||
* is usually deducted from the number returned.
|
||||
*
|
||||
* LEAST_VALID is the lowest number this routine should trust. Numbers
|
||||
* below this are "noise" and zero is returned.
|
||||
*/
|
||||
|
||||
#define AVG_OVERHEAD 0 /* It typically takes X.X microseconds */
|
||||
/* (Y countdowns) to start/stop the timer. */
|
||||
/* This value is in microseconds. */
|
||||
#define LEAST_VALID 1 /* Don't trust a clicks value lower than this */
|
||||
|
||||
int Read_timer( void )
|
||||
{
|
||||
rtems_unsigned32 clicks;
|
||||
rtems_unsigned32 total;
|
||||
int tmp;
|
||||
|
||||
/*
|
||||
* Read the timer and see how many clicks it has been since we started.
|
||||
*/
|
||||
|
||||
clicks = c4x_timer_get_counter(C4X_TIMER_0);
|
||||
clicks -= start;
|
||||
|
||||
/*
|
||||
* Total is calculated by taking into account the number of timer overflow
|
||||
* interrupts since the timer was initialized and clicks since the last
|
||||
* interrupts.
|
||||
*/
|
||||
|
||||
total = clicks * 1;
|
||||
|
||||
if ( Timer_driver_Find_average_overhead == 1 ) {
|
||||
return total; /* in count units where each count is */
|
||||
/* 1 / (clock frequency/2) */
|
||||
} else {
|
||||
if ( total < LEAST_VALID )
|
||||
return 0; /* below timer resolution */
|
||||
/*
|
||||
* Somehow convert total into microseconds
|
||||
*/
|
||||
tmp = (int) ((float) total * ((1.0 / 25.0)));
|
||||
return (tmp - AVG_OVERHEAD);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Empty function call used in loops to measure basic cost of looping
|
||||
* in Timing Test Suite.
|
||||
*/
|
||||
|
||||
rtems_status_code Empty_function( void )
|
||||
{
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
void Set_find_average_overhead(
|
||||
rtems_boolean find_flag
|
||||
)
|
||||
{
|
||||
Timer_driver_Find_average_overhead = find_flag;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,15 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal
|
||||
|
||||
noinst_SCRIPTS=runtest
|
||||
|
||||
#HACK: install to build-tree
|
||||
all-local: $(SCRIPTS)
|
||||
$(mkinstalldirs) $(PROJECT_ROOT)/$(RTEMS_BSP)/tests
|
||||
$(INSTALL_SCRIPT) runtest $(PROJECT_ROOT)/$(RTEMS_BSP)/tests/runtest
|
||||
|
||||
include $(top_srcdir)/../../../../../../../automake/local.am
|
||||
@@ -0,0 +1,23 @@
|
||||
dnl Process this file with autoconf to produce a configure script.
|
||||
dnl
|
||||
dnl $Id$
|
||||
|
||||
AC_INIT(runtest.in)
|
||||
RTEMS_TOP(../../../../../../..)
|
||||
AC_CONFIG_AUX_DIR(../../../../../../..)
|
||||
|
||||
RTEMS_CANONICAL_TARGET_CPU
|
||||
|
||||
AM_INIT_AUTOMAKE(rtems-c-src-lib-libbsp-c4x-c4xsim-tools,$RTEMS_VERSION,no)
|
||||
AM_MAINTAINER_MODE
|
||||
|
||||
RTEMS_PATH_KSH
|
||||
RTEMS_ENV_RTEMSBSP
|
||||
|
||||
RTEMS_PROJECT_ROOT
|
||||
RTEMS_TOOLPATHS
|
||||
|
||||
# Explicitly list all Makefiles here
|
||||
AC_OUTPUT(
|
||||
Makefile
|
||||
runtest)
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,35 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
BSP_PIECES = startup console clock timer
|
||||
# pieces to pick up out of libcpu/sparc
|
||||
CPU_PIECES =
|
||||
|
||||
# bummer; have to use $foreach since % pattern subst rules only replace 1x
|
||||
OBJS = $(foreach piece, $(BSP_PIECES), $(wildcard ../$(piece)/$(ARCH)/*.o)) \
|
||||
$(foreach piece, $(CPU_PIECES), ../../../../libcpu/$(RTEMS_CPU)/$(piece)/$(ARCH)/$(piece).rel)
|
||||
LIB = $(ARCH)/libbsp.a
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(make-library)
|
||||
|
||||
$(PROJECT_RELEASE)/lib/libbsp$(LIB_VARIANT).a: $(LIB)
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/libbsp$(LIB_VARIANT).a
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(LIB) $(TMPINSTALL_FILES)
|
||||
|
||||
.PRECIOUS: $(LIB)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,25 @@
|
||||
dnl Process this file with autoconf to produce a configure script.
|
||||
dnl
|
||||
dnl $Id$
|
||||
|
||||
AC_PREREQ(2.13)
|
||||
AC_INIT(c4xsim)
|
||||
RTEMS_TOP(../../../../..)
|
||||
AC_CONFIG_AUX_DIR(../../../../..)
|
||||
|
||||
RTEMS_CANONICAL_TARGET_CPU
|
||||
AM_INIT_AUTOMAKE(rtems-c-src-lib-libbsp-c4x,$RTEMS_VERSION,no)
|
||||
AM_MAINTAINER_MODE
|
||||
|
||||
RTEMS_ENV_RTEMSBSP
|
||||
RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
|
||||
RTEMS_CHECK_BSP_CACHE(RTEMS_BSP)
|
||||
RTEMS_PROJECT_ROOT
|
||||
|
||||
RTEMS_BSP_ALIAS(${RTEMS_BSP},bspdir)
|
||||
AC_CONFIG_SUBDIRS($bspdir)
|
||||
|
||||
# Explicitly list all Makefiles here
|
||||
AC_OUTPUT(
|
||||
Makefile
|
||||
shared/Makefile)
|
||||
@@ -0,0 +1,11 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
|
||||
C_FILES = bspspuriousinit.c c3xspurious.c c4xspurious.c
|
||||
|
||||
EXTRA_DIST = bspspuriousinit.c c3xspurious.c c4xspurious.c
|
||||
|
||||
include $(top_srcdir)/../../../../../automake/local.am
|
||||
@@ -0,0 +1,45 @@
|
||||
/*
|
||||
* CXX Spurious Trap Handler Install Routine
|
||||
*
|
||||
* This is just enough of a trap handler to let us know what
|
||||
* the likely source of the trap was.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <bspIo.h>
|
||||
#include <simio.h>
|
||||
|
||||
/*
|
||||
* bsp_spurious_initialize
|
||||
*
|
||||
* Install the spurious handler for most vectors.
|
||||
*/
|
||||
|
||||
rtems_isr bsp_spurious_handler(
|
||||
rtems_vector_number vector,
|
||||
CPU_Interrupt_frame *isf
|
||||
);
|
||||
|
||||
void bsp_spurious_initialize()
|
||||
{
|
||||
rtems_unsigned32 vector;
|
||||
|
||||
for ( vector=0 ; vector<64 ; vector++ ) {
|
||||
|
||||
/*
|
||||
* Skip any vectors that might be generally used for traps.
|
||||
*/
|
||||
|
||||
set_vector( bsp_spurious_handler, vector, 1 );
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,85 @@
|
||||
/*
|
||||
* C3X Spurious Trap Handler
|
||||
*
|
||||
* This is just enough of a trap handler to let us know what
|
||||
* the likely source of the trap was.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <bspIo.h>
|
||||
|
||||
/*
|
||||
* bsp_spurious_handler
|
||||
*
|
||||
* Print a message on the debug console and then die
|
||||
*/
|
||||
|
||||
void bsp_spurious_handler_assistant(
|
||||
rtems_vector_number,
|
||||
CPU_Interrupt_frame *
|
||||
);
|
||||
|
||||
#if defined(_C3x)
|
||||
rtems_isr bsp_spurious_handler(
|
||||
rtems_vector_number vector,
|
||||
CPU_Interrupt_frame *isf
|
||||
)
|
||||
{
|
||||
char *s;
|
||||
|
||||
printk( "Unexpected interrupt (0x%x)\n", vector );
|
||||
printk( "It looks like we got the interrupt at 0x%x\n", isf->interrupted );
|
||||
|
||||
/*
|
||||
* Can we print a name?
|
||||
*/
|
||||
|
||||
s = 0;
|
||||
if ( vector <= 0x1f ) {
|
||||
switch ( vector ) {
|
||||
#if defined(_C30) || defined(_C31)
|
||||
case 0: s = "RESET"; break;
|
||||
#endif
|
||||
case 1: s = "INT0"; break;
|
||||
case 2: s = "INT1"; break;
|
||||
case 3: s = "INT2"; break;
|
||||
case 4: s = "INT3"; break;
|
||||
case 5: s = "XINT0"; break;
|
||||
case 6: s = "RINT0"; break;
|
||||
#if defined(_C30) || defined(_C31)
|
||||
case 7: s = "XINT1"; break;
|
||||
case 8: s = "RINT1"; break;
|
||||
#endif
|
||||
case 9: s = "TINT0"; break;
|
||||
case 0x0a: s = "TINT1"; break;
|
||||
case 0x0b: s = "DINT0"; break;
|
||||
#if defined(_C32)
|
||||
case 0x0c: s = "DINT1"; break;
|
||||
#endif
|
||||
default: s = "Reserved"; break;
|
||||
}
|
||||
printk( "Looks like it was an %s\n", s );
|
||||
} else {
|
||||
printk( "Looks like it was a TRAP%d\n", vector - 0x20 );
|
||||
#if defined(_C30) || defined(_C31)
|
||||
if ( vector > 0x3B )
|
||||
printk( "But TRAP27 - TRAP31 are reserved\n" );
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
* Now call the BSP specific routine
|
||||
*/
|
||||
|
||||
bsp_spurious_handler_assistant( vector, isf );
|
||||
}
|
||||
#endif
|
||||
@@ -0,0 +1,79 @@
|
||||
/*
|
||||
* C4X Spurious Trap Handler
|
||||
*
|
||||
* This is just enough of a trap handler to let us know what
|
||||
* the likely source of the trap was.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#include <bspIo.h>
|
||||
|
||||
/*
|
||||
* bsp_spurious_handler
|
||||
*
|
||||
* Print a message on the debug console and then die
|
||||
*/
|
||||
|
||||
void bsp_spurious_handler_assistant(
|
||||
rtems_vector_number,
|
||||
CPU_Interrupt_frame *
|
||||
);
|
||||
|
||||
#if defined(_C4x)
|
||||
rtems_isr bsp_spurious_handler(
|
||||
rtems_vector_number vector,
|
||||
CPU_Interrupt_frame *isf
|
||||
)
|
||||
{
|
||||
char *s;
|
||||
|
||||
printk( "Unexpected interrupt (0x%x)\n", vector );
|
||||
printk( "It looks like we got the interrupt at 0x%x\n", isf->interrupted );
|
||||
|
||||
/*
|
||||
* Can we print a name?
|
||||
*/
|
||||
|
||||
printk( "Looks like it was a " );
|
||||
if ( vector >= 0x0d && vector <= 0x24 ) {
|
||||
switch ( vector & 0x3 ) {
|
||||
case 1: s = "ICFULL"; break;
|
||||
case 2: s = "ICRDY"; break;
|
||||
case 3: s = "OCRDY"; break;
|
||||
case 0: s = "OCEMPTY"; break;
|
||||
}
|
||||
printk( "%s%d\n", s, (vector - 0x0d) / 4 );
|
||||
} else if ( vector >= 0x25 && vector <= 0x2a ) {
|
||||
printk( "DMA INT%d\n", (vector - 0x25) );
|
||||
} else /* if ( vector <= 0x0c || vector >= 0x2b ) */ {
|
||||
switch ( vector ) {
|
||||
case 0: s = "RESET"; break;
|
||||
case 1: s = "NMI"; break;
|
||||
case 2: s = "TINT0"; break;
|
||||
case 3: s = "IIOF0"; break;
|
||||
case 4: s = "IIOF1"; break;
|
||||
case 5: s = "IIOF2"; break;
|
||||
case 6: s = "IIOF3"; break;
|
||||
case 0x2b: s = "TINT1"; break;
|
||||
case 0x3f: s = "Reserved"; break;
|
||||
default: s = "Unused"; break;
|
||||
}
|
||||
printk( "%s\n", s );
|
||||
}
|
||||
|
||||
/*
|
||||
* Now call the BSP specific routine
|
||||
*/
|
||||
|
||||
bsp_spurious_handler_assistant( vector, isf );
|
||||
}
|
||||
#endif
|
||||
@@ -0,0 +1,48 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
AUTOMAKE_OPTIONS = foreign 1.4
|
||||
ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal
|
||||
|
||||
SUBDIRS = rtems
|
||||
|
||||
C_FILES = cpu.c irq.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
|
||||
|
||||
H_FILES = asm.h c4xio.h
|
||||
|
||||
S_FILES = cpu_asm.S
|
||||
S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o)
|
||||
|
||||
REL = $(ARCH)/rtems-cpu.rel
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
rtems_cpu_rel_OBJECTS = $(C_O_FILES) $(S_O_FILES)
|
||||
|
||||
$(PROJECT_INCLUDE):
|
||||
$(mkinstalldirs) $@
|
||||
|
||||
$(PROJECT_INCLUDE)/%.h: %.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
$(PROJECT_RELEASE)/lib/rtems$(LIB_VARIANT).o: $(ARCH)/rtems.o
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
$(REL): $(rtems_cpu_rel_OBJECTS)
|
||||
$(make-rel)
|
||||
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE) $(H_FILES:%=$(PROJECT_INCLUDE)/%)
|
||||
|
||||
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/rtems$(LIB_VARIANT).o
|
||||
|
||||
all-local: $(ARCH) $(PREINSTALL_FILES) $(rtems_cpu_rel_OBJECTS) $(REL) $(TMPINSTALL_FILES)
|
||||
|
||||
.PRECIOUS: $(REL)
|
||||
|
||||
EXTRA_DIST = asm.h cpu.c irq.c cpu_asm.S c4xio.h rtems.c
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/subdirs.am
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -0,0 +1,101 @@
|
||||
/* asm.h
|
||||
*
|
||||
* This include file attempts to address the problems
|
||||
* caused by incompatible flavors of assemblers and
|
||||
* toolsets. It primarily addresses variations in the
|
||||
* use of leading underscores on symbols and the requirement
|
||||
* that register names be preceded by a %.
|
||||
*
|
||||
*
|
||||
* NOTE: The spacing in the use of these macros
|
||||
* is critical to them working as advertised.
|
||||
*
|
||||
* COPYRIGHT:
|
||||
*
|
||||
* This file is based on similar code found in newlib available
|
||||
* from ftp.cygnus.com. The file which was used had no copyright
|
||||
* notice. This file is freely distributable as long as the source
|
||||
* of the file is noted. This file is:
|
||||
*
|
||||
* COPYRIGHT (c) 1994-1997.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4X_ASM_h
|
||||
#define __C4X_ASM_h
|
||||
|
||||
/*
|
||||
* Indicate we are in an assembly file and get the basic CPU definitions.
|
||||
*/
|
||||
|
||||
#ifndef ASM
|
||||
#define ASM
|
||||
#endif
|
||||
#include <rtems/score/targopts.h>
|
||||
#include <rtems/score/c4x.h>
|
||||
|
||||
/*
|
||||
* Recent versions of GNU cpp define variables which indicate the
|
||||
* need for underscores and percents. If not using GNU cpp or
|
||||
* the version does not support this, then you will obviously
|
||||
* have to define these as appropriate.
|
||||
*/
|
||||
|
||||
#ifndef __USER_LABEL_PREFIX__
|
||||
#define __USER_LABEL_PREFIX__ _
|
||||
#endif
|
||||
|
||||
#ifndef __REGISTER_PREFIX__
|
||||
#define __REGISTER_PREFIX__
|
||||
#endif
|
||||
|
||||
/* ANSI concatenation macros. */
|
||||
|
||||
#define CONCAT1(a, b) CONCAT2(a, b)
|
||||
#define CONCAT2(a, b) a ## b
|
||||
|
||||
/* Use the right prefix for global labels. */
|
||||
|
||||
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
|
||||
|
||||
/* Use the right prefix for registers. */
|
||||
|
||||
#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
|
||||
|
||||
/*
|
||||
* define macros for all of the registers on this CPU
|
||||
*
|
||||
* EXAMPLE: #define d0 REG (d0)
|
||||
*/
|
||||
|
||||
/*
|
||||
* Define macros to handle section beginning and ends.
|
||||
*/
|
||||
|
||||
|
||||
#define BEGIN_CODE_DCL .text
|
||||
#define END_CODE_DCL
|
||||
#define BEGIN_DATA_DCL .data
|
||||
#define END_DATA_DCL
|
||||
#define BEGIN_CODE .text
|
||||
#define END_CODE
|
||||
#define BEGIN_DATA
|
||||
#define END_DATA
|
||||
#define BEGIN_BSS
|
||||
#define END_BSS
|
||||
#define END
|
||||
|
||||
/*
|
||||
* Following must be tailor for a particular flavor of the C compiler.
|
||||
* They may need to put underscores in front of the symbols.
|
||||
*/
|
||||
|
||||
#define PUBLIC(sym) .globl SYM (sym)
|
||||
#define EXTERN(sym) .globl SYM (sym)
|
||||
|
||||
#endif
|
||||
/* end of include file */
|
||||
|
||||
|
||||
@@ -0,0 +1,52 @@
|
||||
/*
|
||||
* C4X IO Information
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4XIO_h
|
||||
#define __C4XIO_h
|
||||
|
||||
/*
|
||||
* The following section of C4x timer code is based on C40 specific
|
||||
* timer code from Ran Cabell <rcabell@norfolk.infi.net>. The
|
||||
* only C3x/C4x difference spotted was the address of the timer.
|
||||
* The names have been changed to be more RTEMS like.
|
||||
*/
|
||||
|
||||
struct c4x_timer {
|
||||
volatile int tcontrol;
|
||||
volatile int r1[3];
|
||||
volatile int tcounter;
|
||||
volatile int r2[3];
|
||||
volatile int tperiod;
|
||||
};
|
||||
|
||||
#ifdef _TMS320C40
|
||||
#define C4X_TIMER_0 ((struct c4x_timer*)0x100020)
|
||||
#else
|
||||
#define C4X_TIMER_0 ((struct c4x_timer*)0x808020)
|
||||
#define C4X_TIMER_1 ((struct c4x_timer*)0x808030)
|
||||
#endif
|
||||
|
||||
#define c4x_timer_start( _timer ) \
|
||||
_timer->tcontrol=0x02c1
|
||||
|
||||
#define c4x_timer_stop( _timer ) _timer->tcontrol = 0
|
||||
|
||||
#define c4x_timer_get_counter( _timer ) (volatile int)(_timer->tcounter)
|
||||
|
||||
#define c4x_timer_set_counter( _timer, _value ) \
|
||||
do { \
|
||||
(volatile int)(_timer->tcounter) = _value; \
|
||||
} while (0);
|
||||
|
||||
#define c4x_timer_get_period( _timer ) (volatile int)(_timer->tperiod)
|
||||
|
||||
#define c4x_timer_set_period( _timer, _value ) \
|
||||
do { \
|
||||
(volatile int)(_timer->tperiod) = _value; \
|
||||
} while (0);
|
||||
|
||||
#endif
|
||||
/* end if include file */
|
||||
@@ -0,0 +1,199 @@
|
||||
/*
|
||||
* XXX CPU Dependent Source
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/score/isr.h>
|
||||
#include <rtems/score/wkspace.h>
|
||||
|
||||
|
||||
/* _CPU_Initialize
|
||||
*
|
||||
* This routine performs processor dependent initialization.
|
||||
*
|
||||
* INPUT PARAMETERS:
|
||||
* cpu_table - CPU table to initialize
|
||||
* thread_dispatch - address of disptaching routine
|
||||
*
|
||||
* C4x Specific Information:
|
||||
*
|
||||
*/
|
||||
|
||||
void _CPU_Initialize(
|
||||
rtems_cpu_table *cpu_table,
|
||||
void (*thread_dispatch) /* ignored on this CPU */
|
||||
)
|
||||
{
|
||||
#if 0
|
||||
/*
|
||||
* The thread_dispatch argument is the address of the entry point
|
||||
* for the routine called at the end of an ISR once it has been
|
||||
* decided a context switch is necessary. On some compilation
|
||||
* systems it is difficult to call a high-level language routine
|
||||
* from assembly. This allows us to trick these systems.
|
||||
*
|
||||
* If you encounter this problem save the entry point in a CPU
|
||||
* dependent variable.
|
||||
*/
|
||||
|
||||
_CPU_Thread_dispatch_pointer = thread_dispatch;
|
||||
#endif
|
||||
|
||||
#if (CPU_HARDWARE_FP == TRUE)
|
||||
/*
|
||||
* If there is not an easy way to initialize the FP context
|
||||
* during Context_Initialize, then it is usually easier to
|
||||
* save an "uninitialized" FP context here and copy it to
|
||||
* the task's during Context_Initialize.
|
||||
*/
|
||||
|
||||
/* FP context initialization support goes here */
|
||||
#endif
|
||||
|
||||
_CPU_Table = *cpu_table;
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* _CPU_ISR_install_raw_handler
|
||||
*
|
||||
* C4x Specific Information:
|
||||
*
|
||||
*/
|
||||
|
||||
void _CPU_ISR_install_raw_handler(
|
||||
unsigned32 vector,
|
||||
proc_ptr new_handler,
|
||||
proc_ptr *old_handler
|
||||
)
|
||||
{
|
||||
void **ittp;
|
||||
|
||||
/*
|
||||
* This is where we install the interrupt handler into the "raw" interrupt
|
||||
* table used by the CPU to dispatch interrupt handlers.
|
||||
*/
|
||||
|
||||
ittp = c4x_get_ittp();
|
||||
*old_handler = ittp[ vector ];
|
||||
ittp[ vector ] = new_handler;
|
||||
}
|
||||
|
||||
/*XXX */
|
||||
|
||||
#define C4X_CACHE 1
|
||||
#define C4X_BASE_ST (C4X_CACHE==1) ? 0x4800 : 0x4000
|
||||
|
||||
void _CPU_Context_Initialize(
|
||||
Context_Control *_the_context,
|
||||
void *_stack_base,
|
||||
unsigned32 _size,
|
||||
unsigned32 _isr,
|
||||
void (*_entry_point)(void),
|
||||
int _is_fp
|
||||
)
|
||||
{
|
||||
unsigned int *_stack;
|
||||
_stack = (unsigned int *)_stack_base;
|
||||
|
||||
*_stack = (unsigned int) _entry_point;
|
||||
_the_context->sp = (unsigned int) _stack;
|
||||
_the_context->st = C4X_BASE_ST;
|
||||
if ( _isr == 0 )
|
||||
_the_context->st |= C4X_ST_GIE;
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* _CPU_ISR_install_vector
|
||||
*
|
||||
* This kernel routine installs the RTEMS handler for the
|
||||
* specified vector.
|
||||
*
|
||||
* Input parameters:
|
||||
* vector - interrupt vector number
|
||||
* old_handler - former ISR for this vector number
|
||||
* new_handler - replacement ISR for this vector number
|
||||
*
|
||||
* Output parameters: NONE
|
||||
*
|
||||
*
|
||||
* C4x Specific Information:
|
||||
*
|
||||
*/
|
||||
|
||||
void _CPU_ISR_install_vector(
|
||||
unsigned32 vector,
|
||||
proc_ptr new_handler,
|
||||
proc_ptr *old_handler
|
||||
)
|
||||
{
|
||||
proc_ptr ignored;
|
||||
extern void rtems_irq_prologue_0(void);
|
||||
extern void rtems_irq_prologue_1(void);
|
||||
void *entry;
|
||||
|
||||
*old_handler = _ISR_Vector_table[ vector ];
|
||||
|
||||
/*
|
||||
* If the interrupt vector table is a table of pointer to isr entry
|
||||
* points, then we need to install the appropriate RTEMS interrupt
|
||||
* handler for this vector number.
|
||||
*/
|
||||
|
||||
entry = (void *)rtems_irq_prologue_0 +
|
||||
((rtems_irq_prologue_1 - rtems_irq_prologue_0) * vector);
|
||||
_CPU_ISR_install_raw_handler( vector, entry, &ignored );
|
||||
|
||||
/*
|
||||
* We put the actual user ISR address in '_ISR_vector_table'. This will
|
||||
* be used by the _ISR_Handler so the user gets control.
|
||||
*/
|
||||
|
||||
_ISR_Vector_table[ vector ] = new_handler;
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* _CPU_Thread_Idle_body
|
||||
*
|
||||
* NOTES:
|
||||
*
|
||||
* 1. This is the same as the regular CPU independent algorithm.
|
||||
*
|
||||
* 2. If you implement this using a "halt", "idle", or "shutdown"
|
||||
* instruction, then don't forget to put it in an infinite loop.
|
||||
*
|
||||
* 3. Be warned. Some processors with onboard DMA have been known
|
||||
* to stop the DMA if the CPU were put in IDLE mode. This might
|
||||
* also be a problem with other on-chip peripherals. So use this
|
||||
* hook with caution.
|
||||
*
|
||||
* C4x Specific Information:
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
#if (CPU_PROVIDES_IDLE_THREAD_BODY == 1)
|
||||
void _CPU_Thread_Idle_body( void )
|
||||
{
|
||||
|
||||
for( ; ; ) {
|
||||
__asm__( "idle" );
|
||||
__asm__( "nop" );
|
||||
__asm__( "nop" );
|
||||
__asm__( "nop" );
|
||||
/* insert your "halt" instruction here */ ;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,82 @@
|
||||
/*
|
||||
* XXX CPU Dependent Source
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/score/cpu.h>
|
||||
#include <rtems/score/isr.h>
|
||||
#include <rtems/score/thread.h>
|
||||
|
||||
/*
|
||||
* This routine provides the RTEMS interrupt management.
|
||||
*/
|
||||
|
||||
#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
|
||||
unsigned long *_old_stack_ptr;
|
||||
#endif
|
||||
|
||||
register unsigned long *stack_ptr asm("sp");
|
||||
|
||||
void __ISR_Handler(unsigned32 vector, void *isr_sp)
|
||||
{
|
||||
register unsigned32 level;
|
||||
|
||||
/* already disabled when we get here */
|
||||
/* _CPU_ISR_Disable( level ); */
|
||||
|
||||
_Thread_Dispatch_disable_level++;
|
||||
|
||||
#if 0
|
||||
if ( stack_ptr > (_Thread_Executing->Start.stack +
|
||||
_Thread_Executing->Start.Initial_stack.size) ) {
|
||||
printk( "Blown interrupt stack at 0x%x\n", stack_ptr );
|
||||
}
|
||||
#endif
|
||||
|
||||
#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
|
||||
if ( _ISR_Nest_level == 0 ) {
|
||||
/* Install irq stack */
|
||||
_old_stack_ptr = stack_ptr;
|
||||
stack_ptr = _CPU_Interrupt_stack_low;
|
||||
}
|
||||
#endif
|
||||
|
||||
_ISR_Nest_level++;
|
||||
|
||||
/* leave it to the ISR to decide if they get reenabled */
|
||||
/* _CPU_ISR_Enable( level ); */
|
||||
|
||||
/* call isp */
|
||||
if ( _ISR_Vector_table[ vector] )
|
||||
(*_ISR_Vector_table[ vector ])(
|
||||
vector, isr_sp - sizeof(CPU_Interrupt_frame) + 1 );
|
||||
|
||||
_CPU_ISR_Disable( level );
|
||||
|
||||
_ISR_Nest_level--;
|
||||
|
||||
#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
|
||||
if ( _ISR_Nest_level == 0 ) /* restore old stack pointer */
|
||||
stack_ptr = _old_stack_ptr;
|
||||
#endif
|
||||
|
||||
_Thread_Dispatch_disable_level--;
|
||||
|
||||
_CPU_ISR_Enable( level );
|
||||
if ( _Thread_Dispatch_disable_level == 0 ) {
|
||||
if ( _Context_Switch_necessary || !_ISR_Signals_to_thread_executing ) {
|
||||
_ISR_Signals_to_thread_executing = FALSE;
|
||||
_Thread_Dispatch();
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,101 @@
|
||||
/* asm.h
|
||||
*
|
||||
* This include file attempts to address the problems
|
||||
* caused by incompatible flavors of assemblers and
|
||||
* toolsets. It primarily addresses variations in the
|
||||
* use of leading underscores on symbols and the requirement
|
||||
* that register names be preceded by a %.
|
||||
*
|
||||
*
|
||||
* NOTE: The spacing in the use of these macros
|
||||
* is critical to them working as advertised.
|
||||
*
|
||||
* COPYRIGHT:
|
||||
*
|
||||
* This file is based on similar code found in newlib available
|
||||
* from ftp.cygnus.com. The file which was used had no copyright
|
||||
* notice. This file is freely distributable as long as the source
|
||||
* of the file is noted. This file is:
|
||||
*
|
||||
* COPYRIGHT (c) 1994-1997.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4X_ASM_h
|
||||
#define __C4X_ASM_h
|
||||
|
||||
/*
|
||||
* Indicate we are in an assembly file and get the basic CPU definitions.
|
||||
*/
|
||||
|
||||
#ifndef ASM
|
||||
#define ASM
|
||||
#endif
|
||||
#include <rtems/score/targopts.h>
|
||||
#include <rtems/score/c4x.h>
|
||||
|
||||
/*
|
||||
* Recent versions of GNU cpp define variables which indicate the
|
||||
* need for underscores and percents. If not using GNU cpp or
|
||||
* the version does not support this, then you will obviously
|
||||
* have to define these as appropriate.
|
||||
*/
|
||||
|
||||
#ifndef __USER_LABEL_PREFIX__
|
||||
#define __USER_LABEL_PREFIX__ _
|
||||
#endif
|
||||
|
||||
#ifndef __REGISTER_PREFIX__
|
||||
#define __REGISTER_PREFIX__
|
||||
#endif
|
||||
|
||||
/* ANSI concatenation macros. */
|
||||
|
||||
#define CONCAT1(a, b) CONCAT2(a, b)
|
||||
#define CONCAT2(a, b) a ## b
|
||||
|
||||
/* Use the right prefix for global labels. */
|
||||
|
||||
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
|
||||
|
||||
/* Use the right prefix for registers. */
|
||||
|
||||
#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
|
||||
|
||||
/*
|
||||
* define macros for all of the registers on this CPU
|
||||
*
|
||||
* EXAMPLE: #define d0 REG (d0)
|
||||
*/
|
||||
|
||||
/*
|
||||
* Define macros to handle section beginning and ends.
|
||||
*/
|
||||
|
||||
|
||||
#define BEGIN_CODE_DCL .text
|
||||
#define END_CODE_DCL
|
||||
#define BEGIN_DATA_DCL .data
|
||||
#define END_DATA_DCL
|
||||
#define BEGIN_CODE .text
|
||||
#define END_CODE
|
||||
#define BEGIN_DATA
|
||||
#define END_DATA
|
||||
#define BEGIN_BSS
|
||||
#define END_BSS
|
||||
#define END
|
||||
|
||||
/*
|
||||
* Following must be tailor for a particular flavor of the C compiler.
|
||||
* They may need to put underscores in front of the symbols.
|
||||
*/
|
||||
|
||||
#define PUBLIC(sym) .globl SYM (sym)
|
||||
#define EXTERN(sym) .globl SYM (sym)
|
||||
|
||||
#endif
|
||||
/* end of include file */
|
||||
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,70 @@
|
||||
/*
|
||||
* cpu_asm.h
|
||||
*
|
||||
* Very loose template for an include file for the cpu_asm.? file
|
||||
* if it is implemented as a ".S" file (preprocessed by cpp) instead
|
||||
* of a ".s" file (preprocessed by gm4 or gasp).
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __CPU_ASM_h
|
||||
#define __CPU_ASM_h
|
||||
|
||||
/* pull in the generated offsets */
|
||||
|
||||
#include <rtems/score/offsets.h>
|
||||
|
||||
/*
|
||||
* Hardware General Registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Hardware Floating Point Registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Hardware Control Registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Calling Convention
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Temporary registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Floating Point Registers - SW Conventions
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
/*
|
||||
* Temporary floating point registers
|
||||
*/
|
||||
|
||||
/* put something here */
|
||||
|
||||
#endif
|
||||
|
||||
/* end of file */
|
||||
@@ -0,0 +1,56 @@
|
||||
/* c4xtypes.h
|
||||
*
|
||||
* This include file contains type definitions pertaining to the Intel
|
||||
* C4x processor family.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4X_TYPES_h
|
||||
#define __C4X_TYPES_h
|
||||
|
||||
#ifndef ASM
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* This section defines the basic types for this processor.
|
||||
*/
|
||||
|
||||
typedef unsigned char unsigned8; /* unsigned 8-bit integer */
|
||||
typedef unsigned short unsigned16; /* unsigned 16-bit integer */
|
||||
typedef unsigned int unsigned32; /* unsigned 32-bit integer */
|
||||
typedef unsigned long long unsigned64; /* unsigned 64-bit integer */
|
||||
|
||||
typedef unsigned16 Priority_Bit_map_control;
|
||||
|
||||
typedef signed char signed8; /* 8-bit signed integer */
|
||||
typedef signed short signed16; /* 16-bit signed integer */
|
||||
typedef signed int signed32; /* 32-bit signed integer */
|
||||
typedef signed long long signed64; /* 64 bit signed integer */
|
||||
|
||||
typedef unsigned32 boolean; /* Boolean value */
|
||||
|
||||
typedef float single_precision; /* single precision float */
|
||||
typedef double double_precision; /* double precision float */
|
||||
|
||||
typedef void c4x_isr;
|
||||
typedef void ( *c4x_isr_entry )( void );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* !ASM */
|
||||
|
||||
#endif
|
||||
/* end of include file */
|
||||
@@ -0,0 +1,52 @@
|
||||
/*
|
||||
* C4X IO Information
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#ifndef __C4XIO_h
|
||||
#define __C4XIO_h
|
||||
|
||||
/*
|
||||
* The following section of C4x timer code is based on C40 specific
|
||||
* timer code from Ran Cabell <rcabell@norfolk.infi.net>. The
|
||||
* only C3x/C4x difference spotted was the address of the timer.
|
||||
* The names have been changed to be more RTEMS like.
|
||||
*/
|
||||
|
||||
struct c4x_timer {
|
||||
volatile int tcontrol;
|
||||
volatile int r1[3];
|
||||
volatile int tcounter;
|
||||
volatile int r2[3];
|
||||
volatile int tperiod;
|
||||
};
|
||||
|
||||
#ifdef _TMS320C40
|
||||
#define C4X_TIMER_0 ((struct c4x_timer*)0x100020)
|
||||
#else
|
||||
#define C4X_TIMER_0 ((struct c4x_timer*)0x808020)
|
||||
#define C4X_TIMER_1 ((struct c4x_timer*)0x808030)
|
||||
#endif
|
||||
|
||||
#define c4x_timer_start( _timer ) \
|
||||
_timer->tcontrol=0x02c1
|
||||
|
||||
#define c4x_timer_stop( _timer ) _timer->tcontrol = 0
|
||||
|
||||
#define c4x_timer_get_counter( _timer ) (volatile int)(_timer->tcounter)
|
||||
|
||||
#define c4x_timer_set_counter( _timer, _value ) \
|
||||
do { \
|
||||
(volatile int)(_timer->tcounter) = _value; \
|
||||
} while (0);
|
||||
|
||||
#define c4x_timer_get_period( _timer ) (volatile int)(_timer->tperiod)
|
||||
|
||||
#define c4x_timer_set_period( _timer, _value ) \
|
||||
do { \
|
||||
(volatile int)(_timer->tperiod) = _value; \
|
||||
} while (0);
|
||||
|
||||
#endif
|
||||
/* end if include file */
|
||||
@@ -0,0 +1,12 @@
|
||||
#
|
||||
# Configuration file for the GDB C4x simulator as a C3x
|
||||
#
|
||||
# $Id$
|
||||
#
|
||||
|
||||
RTEMS_BSP=c3sxim
|
||||
RTEMS_CPU_MODEL=c32
|
||||
CPU_CFLAGS = -mcpu=32
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/c4xsim.cfg
|
||||
|
||||
@@ -0,0 +1,59 @@
|
||||
#
|
||||
# Config file for the "bare" BSP
|
||||
#
|
||||
# $Id$
|
||||
#
|
||||
|
||||
include $(RTEMS_ROOT)/make/custom/default.cfg
|
||||
|
||||
ifeq ($(RTEMS_CPU_MODEL),)
|
||||
RTEMS_BSP=c4xsim
|
||||
RTEMS_CPU_MODEL=c40
|
||||
CPU_CFLAGS=-mcpu=40 #-msmall
|
||||
endif
|
||||
|
||||
# XXX add this temporarily until c4x-rtems target defines this.
|
||||
CPU_CFLAGS += -D__rtems__
|
||||
|
||||
# This is the actual bsp directory used during the build process.
|
||||
RTEMS_BSP_FAMILY=c4xsim
|
||||
|
||||
# optimize flag: typically -0, could use -O4 or -fast
|
||||
# -O4 is ok for RTEMS
|
||||
# -O4 is broken for the moment on the C4x gcc
|
||||
#CFLAGS_OPTIMIZE_V=-O4
|
||||
CFLAGS_OPTIMIZE_V=-O1
|
||||
|
||||
# This section makes the target dependent options file.
|
||||
# NDEBUG (C library)
|
||||
# if defined asserts do not generate code. This is commonly used
|
||||
# as a command line option.
|
||||
#
|
||||
# RTEMS_TEST_NO_PAUSE (RTEMS tests)
|
||||
# do not pause between screens of output in the rtems tests
|
||||
#
|
||||
# RTEMS_DEBUG (RTEMS)
|
||||
# If defined, debug checks in RTEMS and support library code are enabled.
|
||||
#
|
||||
|
||||
define make-target-options
|
||||
@echo "/* #define NDEBUG 1 */ " >>$@
|
||||
@echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@
|
||||
@echo "/* #define RTEMS_DEBUG 1 */" >>$@
|
||||
endef
|
||||
|
||||
# this target has no start file
|
||||
START_BASE=
|
||||
|
||||
# The following are definitions of make-exe which will work using ld as
|
||||
# is currently required. It is expected that as of gcc 2.8, the end user
|
||||
# will be able to override parts of the compilers specs and link using gcc.
|
||||
|
||||
define make-exe
|
||||
$(CC) $(CPPFLAGS) $(CFLAGS) -o $(basename $@).exe \
|
||||
$(LINK_OBJS) $(LINK_LIBS)
|
||||
$(NM) -g -n $@ > $(basename $@).num
|
||||
$(SIZE) $@
|
||||
endef
|
||||
|
||||
# Miscellaneous additions go here
|
||||
Reference in New Issue
Block a user