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Epiphany: Add the first epiphany_sim BSP v4

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This BSP in intended to run on the simulator that should be built
from RSB. When building RTEMS for Epiphany --disable-networking must
be provided part of the configure command.
This commit is contained in:
Hesham ALMatary
2015-05-21 17:53:53 +01:00
committed by Gedare Bloom
parent 66a5000d78
commit 6f71dcb7cd
21 changed files with 1423 additions and 0 deletions
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1
c/src/aclocal/rtems-cpu-subdirs.m4
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@@ -12,6 +12,7 @@ AC_DEFUN([RTEMS_CPU_SUBDIRS],
case $RTEMS_CPU in
_RTEMS_CPU_SUBDIR([arm],[$1]);;
_RTEMS_CPU_SUBDIR([bfin],[$1]);;
_RTEMS_CPU_SUBDIR([epiphany],[$1]);;
_RTEMS_CPU_SUBDIR([avr],[$1]);;
_RTEMS_CPU_SUBDIR([h8300],[$1]);;
_RTEMS_CPU_SUBDIR([i386],[$1]);;

8
c/src/lib/libbsp/epiphany/Makefile.am Normal file
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@@ -0,0 +1,8 @@
ACLOCAL_AMFLAGS = -I ../../../aclocal
## Descend into the @RTEMS_BSP_FAMILY@ directory
## Currently, the shared directory is not explicitly
## added but it is present in the source tree.
SUBDIRS = @RTEMS_BSP_FAMILY@
include $(srcdir)/preinstall.am
include $(top_srcdir)/../../../automake/subdirs.am
include $(top_srcdir)/../../../automake/local.am

10
c/src/lib/libbsp/epiphany/acinclude.m4 Normal file
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@@ -0,0 +1,10 @@
# RTEMS_CHECK_BSPDIR(RTEMS_BSP_FAMILY)
AC_DEFUN([RTEMS_CHECK_BSPDIR],
[
case "$1" in
epiphany_sim )
AC_CONFIG_SUBDIRS([epiphany_sim]);;
*)
AC_MSG_ERROR([Invalid BSP]);;
esac
])

19
c/src/lib/libbsp/epiphany/configure.ac Normal file
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@@ -0,0 +1,19 @@
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.69])
AC_INIT([rtems-c-src-lib-libbsp-epiphany],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla])
AC_CONFIG_SRCDIR([epiphany_sim])
RTEMS_TOP(../../../../..)
RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define foreign subdir-objects 1.12.2])
AM_MAINTAINER_MODE
RTEMS_ENV_RTEMSBSP
RTEMS_PROJECT_ROOT
RTEMS_CHECK_BSPDIR([$RTEMS_BSP_FAMILY])
# Explicitly list all Makefiles here
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

95
c/src/lib/libbsp/epiphany/epiphany_sim/Makefile.am Normal file
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@@ -0,0 +1,95 @@
##
#
# @brief Makefile of LibBSP for the Epiphany simulator.
#
#
ACLOCAL_AMFLAGS = -I ../../../../aclocal
include $(top_srcdir)/../../../../automake/compile.am
include_bspdir = $(includedir)/bsp
include_libcpudir = $(includedir)/libcpu
dist_project_lib_DATA = bsp_specs
###############################################################################
# Header #
###############################################################################
include_HEADERS = include/bsp.h
include_HEADERS += include/tm27.h
include_HEADERS += ../../shared/include/coverhd.h
nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
include_bsp_HEADERS = ../shared/include/linker-symbols.h
include_bsp_HEADERS += ../../../libbsp/shared/include/mm.h
include_bsp_HEADERS += ../../shared/include/utility.h
include_bsp_HEADERS += ../../shared/include/irq-generic.h
include_bsp_HEADERS += ../../shared/include/irq-info.h
include_bsp_HEADERS += ../../shared/include/stackalloc.h
include_bsp_HEADERS += ../../shared/include/console-polled.h
include_bsp_HEADERS += include/irq.h
nodist_include_HEADERS = include/bspopts.h
###############################################################################
# Data #
###############################################################################
noinst_LIBRARIES = libbspstart.a
libbspstart_a_SOURCES = start/start.S
project_lib_DATA = start/start.$(OBJEXT)
project_lib_DATA += startup/linkcmds
###############################################################################
# LibBSP #
###############################################################################
noinst_LIBRARIES += libbsp.a
# Startup
libbsp_a_SOURCES = ../../shared/bspreset.c
libbsp_a_SOURCES += ../../shared/bspstart.c
# Shared
libbsp_a_SOURCES += ../../shared/bootcard.c
libbsp_a_SOURCES += ../../shared/bspclean.c
libbsp_a_SOURCES += ../../shared/bsplibc.c
libbsp_a_SOURCES += ../../shared/bsppost.c
libbsp_a_SOURCES += ../../shared/bsppredriverhook.c
libbsp_a_SOURCES += ../../shared/bsppretaskinghook.c
libbsp_a_SOURCES += ../../shared/gnatinstallhandler.c
libbsp_a_SOURCES += ../../shared/sbrk.c
libbsp_a_SOURCES += ../../shared/src/stackalloc.c
libbsp_a_SOURCES += ../../shared/bspgetworkarea.c
# clock
libbsp_a_SOURCES += ../../shared/clock_driver_simidle.c
# Timer
libbsp_a_SOURCES += timer/timer.c
# console
libbsp_a_SOURCES += ../../shared/console-polled.c
# IRQ
libbsp_a_SOURCES += ../../shared/src/irq-default-handler.c
libbsp_a_SOURCES += ../../shared/src/irq-generic.c
libbsp_a_SOURCES += ../../shared/src/irq-info.c
libbsp_a_SOURCES += irq/irq.c
# Cache
libbsp_a_SOURCES += ../../../libcpu/shared/src/cache_manager.c
libbsp_a_SOURCES += ../../shared/include/cache_.h
libbsp_a_CPPFLAGS = -I$(srcdir)/../../shared/include
# debugio
libbsp_a_SOURCES += console/console-io.c
DISTCLEANFILES = include/bspopts.h
include $(srcdir)/preinstall.am
include $(top_srcdir)/../../../../automake/local.am

6
c/src/lib/libbsp/epiphany/epiphany_sim/README Normal file
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@@ -0,0 +1,6 @@
This BSP is intended to run on epiphany-*-run simulator.
From command line type:
$ epiphany-rtems4.11-run -e=on --memory-region 0x8e000000,0x2000000 \
$PATH_TO_RTEMS_EXE

13
c/src/lib/libbsp/epiphany/epiphany_sim/bsp_specs Normal file
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@@ -0,0 +1,13 @@
%rename endfile old_endfile
%rename startfile old_startfile
%rename link old_link
*startfile:
%{!qrtems: %(old_startfile)} \
%{!nostdlib: %{qrtems: start.o%s crti.o%s crtbegin.o%s -e _start}}
*link:
%{!qrtems: %(old_link)} %{qrtems: -dc -dp -N}
*endfile:
%{!qrtems: *(old_endfiles)} %{qrtems: crtend.o%s crtn.o%s }

36
c/src/lib/libbsp/epiphany/epiphany_sim/configure.ac Normal file
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@@ -0,0 +1,36 @@
##
#
# @file
#
# @brief Configure script of LibBSP for epiphany_sim BSP.
#
AC_PREREQ(2.69)
AC_INIT([rtems-c-src-lib-libbsp-epiphany-sim],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla])
AC_CONFIG_SRCDIR([bsp_specs])
RTEMS_TOP(../../../../../..)
RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define nostdinc foreign subdir-objects 1.12.2])
RTEMS_BSP_CONFIGURE
RTEMS_BSPOPTS_SET([BSP_START_RESET_VECTOR],[*],[])
RTEMS_BSPOPTS_HELP([BSP_START_RESET_VECTOR],[reset vector address for BSP
start])
RTEMS_BSPOPTS_SET([BSP_EPIPHANY_PERIPHCLK],[*],[100000000U])
RTEMS_BSPOPTS_HELP([BSP_EPIPHANY_PERIPHCLK],[epiphany PERIPHCLK clock
frequency in Hz])
RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm])
RTEMS_CANONICALIZE_TOOLS
RTEMS_PROG_CCAS
RTEMS_CHECK_SMP
AM_CONDITIONAL(HAS_SMP,[test "$rtems_cv_HAS_SMP" = "yes"])
RTEMS_BSP_CLEANUP_OPTIONS(0, 1)
RTEMS_BSP_LINKCMDS
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

104
c/src/lib/libbsp/epiphany/epiphany_sim/console/console-io.c Normal file
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@@ -0,0 +1,104 @@
/*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <bsp.h>
#include <bsp/console-polled.h>
#include <rtems/libio.h>
#include <stdlib.h>
#include <assert.h>
#include <stdio.h>
static void outbyte_console( char );
static char inbyte_console( void );
void console_initialize_hardware(void)
{
/* Do nothing */
}
/* Epiphany simulator would handle this system call */
static void outbyte_console(char c)
{
register int chan asm("r0") = STDOUT_FILENO;
register void* addr asm("r1") = &c;
register int len asm("r2") = 1;
/* Invoke write system call to be handled by Epiphany simulator */
__asm__ __volatile__ ("trap 0" : : "r" (chan), "r" (addr), "r" (len));
}
static char inbyte_console(void)
{
char c;
register int chan asm("r0") = STDIN_FILENO;
register void* addr asm("r1") = &c;
register int len asm("r2") = 1;
/* Invoke read system call to be handled by Epiphany simulator */
asm ("trap 1" :: "r" (chan), "r" (addr), "r" (len));
return c;
}
/*
* console_outbyte_polled
*
* This routine transmits a character using polling.
*/
void console_outbyte_polled(
int port,
char ch
)
{
outbyte_console( ch );
}
/*
* console_inbyte_nonblocking
*
* This routine polls for a character.
*/
int console_inbyte_nonblocking(int port)
{
char c;
c = inbyte_console();
if (!c)
return -1;
return (int) c;
}
/*
* To support printk
*/
#include <rtems/bspIo.h>
static void Epiphany_output_char(char c) { console_outbyte_polled( 0, c ); }
BSP_output_char_function_type BSP_output_char = Epiphany_output_char;
BSP_polling_getchar_function_type BSP_poll_char =
(void *)console_inbyte_nonblocking;

55
c/src/lib/libbsp/epiphany/epiphany_sim/include/bsp.h Normal file
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@@ -0,0 +1,55 @@
/*
*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef LIBBSP_EPIPHANY_EPIPHANY_SIM_H
#define LIBBSP_EPIPHANY_EPIPHANY_SIM_H
#include <rtems.h>
#include <rtems/clockdrv.h>
#include <rtems/console.h>
#include <bspopts.h>
#include <bsp/default-initial-extension.h>
#include <rtems/devnull.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Constants */
Thread clock_driver_sim_idle_body(uintptr_t);
#define BSP_IDLE_TASK_BODY clock_driver_sim_idle_body
#ifdef __cplusplus
}
#endif
#endif /* LIBBSP_EPIPHANY_PARALLELLA_H */

68
c/src/lib/libbsp/epiphany/epiphany_sim/include/bspopts.h Normal file
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@@ -0,0 +1,68 @@
/*
*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* include/bspopts.h.in. Generated from configure.ac by autoheader. */
/* If defined, then the BSP Framework will put a non-zero pattern into the
RTEMS Workspace and C program heap. This should assist in finding code that
assumes memory starts set to zero. */
#undef BSP_DIRTY_MEMORY
/* If defined, print a message and wait until pressed before resetting board
when application exits. */
#undef BSP_PRESS_KEY_FOR_RESET
/* If defined, prints the exception context when an unexpected exception
occurs. */
#undef BSP_PRINT_EXCEPTION_CONTEXT
/* If defined, reset the board when the application exits. */
#undef BSP_RESET_BOARD_AT_EXIT
/* reset vector address for BSP start */
#undef BSP_START_RESET_VECTOR
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION

49
c/src/lib/libbsp/epiphany/epiphany_sim/include/irq.h Normal file
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@@ -0,0 +1,49 @@
/**
* @file
*
* @ingroup Epiphany_IRQ
*
* @brief Interrupt definitions.
*/
/*
*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef LIBBSP_GENERIC_EPIPHANY_IRQ_H
#define LIBBSP_GENERIC_EPIPHANY_IRQ_H
#ifndef ASM
#include <rtems.h>
#include <rtems/irq.h>
#include <rtems/irq-extension.h>
#define BSP_INTERRUPT_VECTOR_MIN 0x0
#define BSP_INTERRUPT_VECTOR_MAX 0x24
#endif /* ASM */
#endif /* LIBBSP_GENERIC_OR1K_IRQ_H */

53
c/src/lib/libbsp/epiphany/epiphany_sim/include/tm27.h Normal file
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@@ -0,0 +1,53 @@
/*
*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _RTEMS_TMTEST27
#error "This is an RTEMS internal file you must not include directly."
#endif
#ifndef __tm27_h
#define __tm27_h
/**
* @name Interrupt mechanisms for Time Test 27
* @{
*/
#define MUST_WAIT_FOR_INTERRUPT 0
#define Install_tm27_vector( handler ) /* empty */
#define Cause_tm27_intr() /* empty */
#define Clear_tm27_intr() /* empty */
#define Lower_tm27_intr() /* empty */
#endif

62
c/src/lib/libbsp/epiphany/epiphany_sim/irq/irq.c Normal file
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@@ -0,0 +1,62 @@
/**
* @file
*
* @ingroup epiphany_interrupt
*
* @brief Interrupt support.
*/
/*
* Epiphany CPU Dependent Source
*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <bsp/irq.h>
#include <bsp/irq-generic.h>
/* Almost all of the jobs that the following functions should
* do are implemented in cpukit
*/
void bsp_interrupt_handler_default(rtems_vector_number vector)
{
printk("spurious interrupt: %u\n", vector);
}
rtems_status_code bsp_interrupt_facility_initialize()
{
return 0;
}
rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
{
return 0;
}
rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
{
return 0;
}

7
c/src/lib/libbsp/epiphany/epiphany_sim/make/custom/epiphany_sim.cfg Normal file
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@@ -0,0 +1,7 @@
include $(RTEMS_ROOT)/make/custom/default.cfg
RTEMS_CPU = epiphany
CPU_CFLAGS =
CFLAGS_OPTIMIZE_V ?= -O0 -g

104
c/src/lib/libbsp/epiphany/epiphany_sim/preinstall.am Normal file
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@@ -0,0 +1,104 @@
## Automatically generated by ampolish3 - Do not edit
if AMPOLISH3
$(srcdir)/preinstall.am: Makefile.am
$(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am
endif
PREINSTALL_DIRS =
DISTCLEANFILES += $(PREINSTALL_DIRS)
all-am: $(PREINSTALL_FILES)
PREINSTALL_FILES =
CLEANFILES = $(PREINSTALL_FILES)
all-local: $(TMPINSTALL_FILES)
TMPINSTALL_FILES =
CLEANFILES += $(TMPINSTALL_FILES)
$(PROJECT_LIB)/$(dirstamp):
@$(MKDIR_P) $(PROJECT_LIB)
@: > $(PROJECT_LIB)/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp)
$(PROJECT_INCLUDE)/$(dirstamp):
@$(MKDIR_P) $(PROJECT_INCLUDE)
@: > $(PROJECT_INCLUDE)/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
$(PROJECT_INCLUDE)/bsp/$(dirstamp):
@$(MKDIR_P) $(PROJECT_INCLUDE)/bsp
@: > $(PROJECT_INCLUDE)/bsp/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(PROJECT_INCLUDE)/libcpu/$(dirstamp):
@$(MKDIR_P) $(PROJECT_INCLUDE)/libcpu
@: > $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs
PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs
$(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
$(PROJECT_INCLUDE)/tm27.h: include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
$(PROJECT_INCLUDE)/coverhd.h: ../../shared/include/coverhd.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/coverhd.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/coverhd.h
$(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/bootcard.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/bootcard.h
$(PROJECT_INCLUDE)/bsp/linker-symbols.h: ../shared/include/linker-symbols.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/linker-symbols.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/linker-symbols.h
$(PROJECT_INCLUDE)/bsp/mm.h: ../../../libbsp/shared/include/mm.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/mm.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/mm.h
$(PROJECT_INCLUDE)/bsp/utility.h: ../../shared/include/utility.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/utility.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/utility.h
$(PROJECT_INCLUDE)/bsp/irq-generic.h: ../../shared/include/irq-generic.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-generic.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-generic.h
$(PROJECT_INCLUDE)/bsp/irq-info.h: ../../shared/include/irq-info.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-info.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-info.h
$(PROJECT_INCLUDE)/bsp/stackalloc.h: ../../shared/include/stackalloc.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stackalloc.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stackalloc.h
$(PROJECT_INCLUDE)/bsp/console-polled.h: ../../shared/include/console-polled.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/console-polled.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/console-polled.h
$(PROJECT_INCLUDE)/bsp/irq.h: include/irq.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq.h
$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
$(PROJECT_LIB)/start.$(OBJEXT): start/start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
TMPINSTALL_FILES += $(PROJECT_LIB)/linkcmds

167
c/src/lib/libbsp/epiphany/epiphany_sim/start/start.S Normal file
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/*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <bsp/linker-symbols.h>
#include <rtems/asm.h>
EXTERN(bsp_section_bss_begin)
EXTERN(bsp_section_bss_end)
EXTERN(ISR_Handler)
EXTERN(bsp_start_vector_table_end)
EXTERN(bsp_start_vector_table_size)
EXTERN(bsp_vector_table_size)
EXTERN(bsp_section_stack_begin)
PUBLIC(EPIPHANY_Exception_default)
PUBLIC(bsp_start_vector_table_begin)
PUBLIC(start)
.section .vector, "wax"
TYPE_FUNC(start)
SYM(start):
.balign 4 ;
b .normal_start
.balign 4 ; 0x4
b .sw_exception
.balign 4 ; 0x8
b .normal_start
.balign 4 ; 0xc
b .clock_isr
.balign 4 ; 0x10
b .timer1_isr
.balign 4 ; 0x14
b _EPIPHANY_Exception_default
.balign 4 ; 0x18
b _EPIPHANY_Exception_default
.balign 4 ; 0x1c
b _EPIPHANY_Exception_default
.balign 4 ; 0x20
b _EPIPHANY_Exception_default
.balign 4 ; 0x24
b _EPIPHANY_Exception_default
_bsp_start_vector_table_begin:
.word .normal_start /* Reset */
.word _EPIPHANY_Exception_default /* SW exception */
.word _EPIPHANY_Exception_default /* Data Page Fault */
.word _EPIPHANY_Exception_default /* Timer 0 */
.word _EPIPHANY_Exception_default /* Timer 1 */
.word _EPIPHANY_Exception_default /* Message int */
.word _EPIPHANY_Exception_default /* DMA0 int */
.word _EPIPHANY_Exception_default /* DMA1 int */
.word _EPIPHANY_Exception_default /* WAND */
.word _EPIPHANY_Exception_default /* User interrupt */
_bsp_start_vector_table_end:
.size _start, .-_start
.section .start,"ax"
.align 4
.type _external_start, %function
.normal_start:
/* Initialize the stack and frame pointers */
mov sp, %low(bsp_section_stack_begin)
movt sp, %high(bsp_section_stack_begin)
mov fp, sp
cpu0:
/* Zero .bss section */
mov r0, %low(bsp_section_bss_begin)
movt r0, %high(bsp_section_bss_begin)
mov r1, sp
mov r2,#0
mov r3,#0
_bss_clear_loop:
strd r2, [r0], +#1
sub r5, r1, r0
bne _bss_clear_loop
/* Clear the reset interrupt flag */
mov r0, %low(_jump_to_c)
movt r0, %high(_jump_to_c)
movts iret, r0
rti
_jump_to_c:
/* Jump to bootcard */
mov r3, %low(_boot_card)
movt r3, %high(_boot_card)
jalr r3
/* Should never reach here */
idle
.size .normal_start, .-.normal_start
.balign 4
.type .sw_exception, %function
.sw_exception:
idle
.balign 4
.type .clock_isr, %function
.clock_isr:
/*
* r62 and r63 are saved here, and restored from _ISR_Handler, they
* and hold vector number and _ISR_Handler address repsectively.
*/
add sp, sp, #-8
str r62, [sp, #0]
str r63, [sp, #4]
mov r62, 3
mov r63, %low(_ISR_Handler)
movt r63, %high(_ISR_Handler)
jr r6
.balign 4
.type .timer1_isr, %function
.timer1_isr:
/*
* r62 and r63 are saved here, and restored from _ISR_Handler, they
* and hold vector number and _ISR_Handler address repsectively.
*/
add sp, sp, #-8
str r62, [sp, 0]
str r63, [sp, 4]
mov r62, 4
mov r63, %low(_ISR_Handler)
movt r63, %high(_ISR_Handler)
jr r63
.balign 4
TYPE_FUNC(EPIPHANY_Exception_default)
SYM(EPIPHANY_Exception_default):
idle

369
c/src/lib/libbsp/epiphany/epiphany_sim/startup/linkcmds Normal file
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@@ -0,0 +1,369 @@
/**
* @file
*
* @ingroup bsp_linker
*
* @brief Memory map
*/
/*
*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
OUTPUT_FORMAT("elf32-epiphany", "elf32-epiphany", "elf32-epiphany")
OUTPUT_ARCH (epiphany)
ENTRY (_start)
MEMORY
{
VECTOR_RAM (AIW) : ORIGIN = 0x00000000, LENGTH = 0xB0
LOCAL_MEM (AIW) : ORIGIN = 0x000000B0, LENGTH = 0x00007FC0 /* 32KiB Local memory */
RAM : ORIGIN = 0x8E000000, LENGTH = 0x01000000 /* 16MiB external RAM */
}
REGION_ALIAS ("REGION_START", LOCAL_MEM);
REGION_ALIAS ("REGION_VECTOR", VECTOR_RAM);
REGION_ALIAS ("REGION_TEXT", RAM);
REGION_ALIAS ("REGION_TEXT_LOAD", RAM);
REGION_ALIAS ("REGION_RODATA", RAM);
REGION_ALIAS ("REGION_RODATA_LOAD", RAM);
REGION_ALIAS ("REGION_DATA", RAM);
REGION_ALIAS ("REGION_DATA_LOAD", RAM);
REGION_ALIAS ("REGION_FAST_DATA", RAM);
REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
REGION_ALIAS ("REGION_BSS", RAM);
REGION_ALIAS ("REGION_WORK", RAM);
REGION_ALIAS ("REGION_STACK", RAM);
/* The following address is used for text output */
bsp_section_outbut_buffer = 0x8F800000;
bsp_section_vector_begin = 0x00000000;
/*
* Global symbols that may be defined externally
*/
bsp_vector_table_size = DEFINED (bsp_vector_table_size) ? bsp_vector_table_size : 64;
bsp_section_xbarrier_align = DEFINED (bsp_section_xbarrier_align) ? bsp_section_xbarrier_align : 1;
bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ? bsp_section_robarrier_align : 1;
bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1;
bsp_stack_align = DEFINED (bsp_stack_align) ? bsp_stack_align : 8;
bsp_stack_main_size = DEFINED (bsp_stack_main_size) ? bsp_stack_main_size : 1024;
bsp_stack_main_size = ALIGN (bsp_stack_main_size, bsp_stack_align);
_bsp_processor_count = DEFINED (_bsp_processor_count) ? _bsp_processor_count : 1;
SECTIONS {
.vector :
{
*(.vector)
. = ALIGN(bsp_vector_table_size);
bsp_section_vector_end = .;
} > REGION_VECTOR AT > REGION_VECTOR
bsp_section_vector_size = bsp_section_vector_end - bsp_section_vector_begin;
bsp_vector_table_begin = bsp_section_vector_begin;
bsp_vector_table_end = bsp_vector_table_begin + bsp_vector_table_size;
.start :
{
. = ALIGN(8);
bsp_section_start_begin = .;
KEEP (*(.bsp_start_text))
KEEP (*(.bsp_start_data))
bsp_section_start_end = .;
} > REGION_START AT > REGION_START
bsp_section_start_size = bsp_section_start_end - bsp_section_start_begin;
.xbarrier : {
. = ALIGN (bsp_section_xbarrier_align);
} > REGION_VECTOR AT > REGION_VECTOR
.text : {
. = ALIGN(8);
bsp_section_text_begin = .;
*(.text.unlikely .text.*_unlikely)
*(.text .stub .text.* .gnu.linkonce.t.*)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
} > REGION_TEXT AT > REGION_TEXT_LOAD
.init : {
KEEP (*(.init))
} > REGION_TEXT AT > REGION_TEXT_LOAD
.fini : {
KEEP (*(.fini))
. = ALIGN(8);
bsp_section_text_end = .;
} > REGION_TEXT AT > REGION_TEXT_LOAD
bsp_section_text_size = bsp_section_text_end - bsp_section_text_begin;
bsp_section_text_load_begin = LOADADDR (.text);
bsp_section_text_load_end = bsp_section_text_load_begin + bsp_section_text_size;
.robarrier : {
. = ALIGN (bsp_section_robarrier_align);
} > REGION_RODATA AT > REGION_RODATA
.rodata : {
. = ALIGN(8);
bsp_section_rodata_begin = .;
*(.rodata .rodata.* .gnu.linkonce.r.*)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.eh_frame : {
KEEP (*(.eh_frame))
} > REGION_RODATA AT > REGION_RODATA_LOAD
.gcc_except_table : {
*(.gcc_except_table .gcc_except_table.*)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.tdata : {
__TLS_Data_begin = .;
*(.tdata .tdata.* .gnu.linkonce.td.*)
__TLS_Data_end = .;
} > REGION_RODATA AT > REGION_RODATA_LOAD
.tbss : {
__TLS_BSS_begin = .;
*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
__TLS_BSS_end = .;
} > REGION_RODATA AT > REGION_RODATA_LOAD
__TLS_Data_size = __TLS_Data_end - __TLS_Data_begin;
__TLS_Data_begin = __TLS_Data_size != 0 ? __TLS_Data_begin : __TLS_BSS_begin;
__TLS_Data_end = __TLS_Data_size != 0 ? __TLS_Data_end : __TLS_BSS_begin;
__TLS_BSS_size = __TLS_BSS_end - __TLS_BSS_begin;
__TLS_Size = __TLS_BSS_end - __TLS_Data_begin;
__TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
.preinit_array : {
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
} > REGION_RODATA AT > REGION_RODATA_LOAD
.init_array : {
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
} > REGION_RODATA AT > REGION_RODATA_LOAD
.fini_array : {
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
} > REGION_RODATA AT > REGION_RODATA_LOAD
.ctors : {
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section from
the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} > REGION_RODATA AT > REGION_RODATA_LOAD
.dtors : {
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} > REGION_RODATA AT > REGION_RODATA_LOAD
.data.rel.ro : {
*(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*)
*(.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.jcr : {
KEEP (*(.jcr))
} > REGION_RODATA AT > REGION_RODATA_LOAD
.interp : {
*(.interp)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.note.gnu.build-id : {
*(.note.gnu.build-id)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.hash : {
*(.hash)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.gnu.hash : {
*(.gnu.hash)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.dynsym : {
*(.dynsym)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.dynstr : {
*(.dynstr)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.gnu.version : {
*(.gnu.version)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.gnu.version_d : {
*(.gnu.version_d)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.gnu.version_r : {
*(.gnu.version_r)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.rel.dyn : {
*(.rel.init)
*(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
*(.rel.fini)
*(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
*(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
*(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
*(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
*(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
*(.rel.ctors)
*(.rel.dtors)
*(.rel.got)
*(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
PROVIDE_HIDDEN (__rel_iplt_start = .);
*(.rel.iplt)
PROVIDE_HIDDEN (__rel_iplt_end = .);
PROVIDE_HIDDEN (__rela_iplt_start = .);
PROVIDE_HIDDEN (__rela_iplt_end = .);
} > REGION_RODATA AT > REGION_RODATA_LOAD
.rela.dyn : {
*(.rela.init)
*(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
*(.rela.fini)
*(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
*(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
*(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
*(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
*(.rela.ctors)
*(.rela.dtors)
*(.rela.got)
*(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
PROVIDE_HIDDEN (__rel_iplt_start = .);
PROVIDE_HIDDEN (__rel_iplt_end = .);
PROVIDE_HIDDEN (__rela_iplt_start = .);
*(.rela.iplt)
PROVIDE_HIDDEN (__rela_iplt_end = .);
} > REGION_RODATA AT > REGION_RODATA_LOAD
.rel.plt : {
*(.rel.plt)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.rela.plt : {
*(.rela.plt)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.plt : {
*(.plt)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.iplt : {
*(.iplt)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.dynamic : {
*(.dynamic)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.got : {
*(.got.plt) *(.igot.plt) *(.got) *(.igot)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.rtemsroset : {
/* Special FreeBSD linker set sections */
__start_set_sysctl_set = .;
*(set_sysctl_*);
__stop_set_sysctl_set = .;
*(set_domain_*);
*(set_pseudo_*);
KEEP (*(SORT(.rtemsroset.*)))
. = ALIGN(8);
bsp_section_rodata_end = .;
} > REGION_RODATA AT > REGION_RODATA_LOAD
bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
bsp_section_rodata_load_begin = LOADADDR (.rodata);
bsp_section_rodata_load_end = bsp_section_rodata_load_begin + bsp_section_rodata_size;
.rwbarrier : {
. = ALIGN(8);
. = ALIGN (bsp_section_rwbarrier_align);
} > REGION_DATA AT > REGION_DATA
.data : {
. = ALIGN(8);
bsp_section_data_begin = .;
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
} > REGION_DATA AT > REGION_DATA_LOAD
.data1 : {
*(.data1)
} > REGION_DATA AT > REGION_DATA_LOAD
.rtemsrwset : {
KEEP (*(SORT(.rtemsrwset.*)))
. = ALIGN(8);
bsp_section_data_end = .;
} > REGION_DATA AT > REGION_DATA_LOAD
bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin;
bsp_section_data_load_begin = LOADADDR (.data);
bsp_section_data_load_end = bsp_section_data_load_begin + bsp_section_data_size;
.bss : {
. = ALIGN(8);
bsp_section_bss_begin = .;
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(8);
bsp_section_bss_end = .;
} > REGION_BSS AT > REGION_BSS
bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;
.work : {
/*
* The work section will occupy the remaining REGION_WORK region and
* contains the RTEMS work space and heap.
*/
. = ALIGN(8);
bsp_section_work_begin = .;
. += ORIGIN (REGION_WORK) + LENGTH (REGION_WORK) - ABSOLUTE (.);
. = ALIGN(8);
bsp_section_work_end = .;
} > REGION_WORK AT > REGION_WORK
bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin;
.stack : {
. = ALIGN(8);
bsp_section_stack_begin = .;
. += ORIGIN (REGION_STACK) + LENGTH (REGION_STACK) - ABSOLUTE (.);
. = ALIGN(8);
bsp_section_stack_end = .;
} > REGION_STACK AT > REGION_STACK
bsp_section_stack_size = bsp_section_stack_begin - bsp_section_stack_end;
_RamBase = ORIGIN (REGION_WORK);
_RamSize = LENGTH (REGION_WORK);
_WorkAreaBase = bsp_section_work_begin;
_HeapSize = 0;
}

109
c/src/lib/libbsp/epiphany/epiphany_sim/timer/timer.c Normal file
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@@ -0,0 +1,109 @@
/*
* Copyright (c) 2015 University of York.
* Hesham ALMatary <hmka501@york.ac.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <rtems.h>
#include <bsp.h>
#include <rtems/btimer.h>
#include <rtems/score/epiphany-utility.h>
extern char bsp_start_vector_table_begin[];
bool benchmark_timer_find_average_overhead;
static void benchmark_timer1_interrupt_handler(void)
{
unsigned int val = 0xFFFFFFFF;
unsigned int event_type = 0x1;
/* Embed assembly code for setting timer1 */
__asm__ __volatile__ ("movts ctimer1, %[val] \t \n" :: [val] "r" (val));
__asm__ __volatile__ ("movfs r16, config; \t \n"
"mov r17, %%low(0xfffff0ff);\t \n"
"movt r17, %%high(0xffff0ff);\t \n"
"lsl r18, %[event_type], 0x8; \t \n"
"and r16, r16, r17; \t \n"
"orr r16, r16, r18; \t \n"
"movts config, r16; \t \n"
:: [event_type] "r" (event_type));
}
/* Start eCore tiemr 1 usef for profiling and timing analysis */
void benchmark_timer_initialize( void )
{
/* Install interrupt handler for timer 1 */
proc_ptr *table =
(proc_ptr *) bsp_start_vector_table_begin;
table[TIMER1] = benchmark_timer1_interrupt_handler;
benchmark_timer1_interrupt_handler();
}
/*
* The following controls the behavior of benchmark_timer_read().
*
* 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 */
benchmark_timer_t benchmark_timer_read( void )
{
uint32_t timer_val = 0;
uint32_t total;
__asm__ __volatile__ ("movfs %[timer_val], ctimer1 \t \n"
:[timer_val] "=r" (timer_val):);
total = (0xFFFFFFFF - timer_val);
if ( benchmark_timer_find_average_overhead == true )
return total;
else {
if ( total < LEAST_VALID )
return 0; /* below timer resolution */
/*
* Somehow convert total into microseconds
*/
return (total - AVG_OVERHEAD);
}
}
void benchmark_timer_disable_subtracting_average_overhead(
bool find_flag
)
{
benchmark_timer_find_average_overhead = find_flag;
}

7
c/src/lib/libbsp/epiphany/preinstall.am Normal file
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@@ -0,0 +1,7 @@
## Automatically generated by ampolish3 - Do not edit
if AMPOLISH3
$(srcdir)/preinstall.am: Makefile.am
$(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am
endif

81
c/src/lib/libbsp/epiphany/shared/include/linker-symbols.h Normal file
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@@ -0,0 +1,81 @@
#ifndef LIBBSP_EPIPHANY_SHARED_LINKER_SYMBOLS_H
#define LIBBSP_EPIPHANY_SHARED_LINKER_SYMBOLS_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup epiphany_linker Linker Support
*
* @ingroup epiphany_shared
*
* @brief Linker support.
*
* @{
*/
#ifndef ASM
#define LINKER_SYMBOL(sym) extern char sym [];
#else
#define LINKER_SYMBOL(sym) .extern sym
#endif
LINKER_SYMBOL(bsp_section_start_begin)
LINKER_SYMBOL(bsp_section_start_end)
LINKER_SYMBOL(bsp_section_start_size)
LINKER_SYMBOL(bsp_section_vector_begin)
LINKER_SYMBOL(bsp_section_vector_end)
LINKER_SYMBOL(bsp_section_vector_size)
LINKER_SYMBOL(bsp_section_text_begin)
LINKER_SYMBOL(bsp_section_text_end)
LINKER_SYMBOL(bsp_section_text_size)
LINKER_SYMBOL(bsp_section_text_load_begin)
LINKER_SYMBOL(bsp_section_text_load_end)
LINKER_SYMBOL(bsp_section_rodata_begin)
LINKER_SYMBOL(bsp_section_rodata_end)
LINKER_SYMBOL(bsp_section_rodata_size)
LINKER_SYMBOL(bsp_section_rodata_load_begin)
LINKER_SYMBOL(bsp_section_rodata_load_end)
LINKER_SYMBOL(bsp_section_data_begin)
LINKER_SYMBOL(bsp_section_data_end)
LINKER_SYMBOL(bsp_section_data_size)
LINKER_SYMBOL(bsp_section_data_load_begin)
LINKER_SYMBOL(bsp_section_data_load_end)
LINKER_SYMBOL(bsp_section_bss_begin)
LINKER_SYMBOL(bsp_section_bss_end)
LINKER_SYMBOL(bsp_section_bss_size)
LINKER_SYMBOL(bsp_section_work_begin)
LINKER_SYMBOL(bsp_section_work_end)
LINKER_SYMBOL(bsp_section_work_size)
LINKER_SYMBOL(bsp_section_stack_begin)
LINKER_SYMBOL(bsp_section_stack_end)
LINKER_SYMBOL(bsp_section_stack_size)
LINKER_SYMBOL(bsp_vector_table_begin)
LINKER_SYMBOL(bsp_vector_table_end)
LINKER_SYMBOL(bsp_vector_table_size)
LINKER_SYMBOL(bsp_start_vector_table_begin)
LINKER_SYMBOL(bsp_start_vector_table_end)
LINKER_SYMBOL(bsp_start_vector_table_size)
LINKER_SYMBOL(bsp_translation_table_base)
LINKER_SYMBOL(bsp_translation_table_end)
LINKER_SYMBOL(_bsp_processor_count)
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_EPIPHANY_SHARED_LINKER_SYMBOLS_H */