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2000-11-27 Joel Sherrill <joel@OARcorp.com>

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* The shsim is for the SH simulator in gdb. It should be able
	to be used with multiple SH CPU models.
	* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs,
	configure.in, clock/.cvsignore, clock/Makefile.am,
	clock/clockdrv.c, console/.cvsignore, console/Makefile.am,
	console/console-io.c, console/console-support.S,
	include/.cvsignore, include/Makefile.am, include/bsp.h,
	start/.cvsignore, start/Makefile.am, start/regs.S,
	start/start.S, startup/.cvsignore, startup/Makefile.am,
	startup/bspstart.c, startup/linkcmds, wrapup/.cvsignore,
	wrapup/Makefile.am: New files.
This commit is contained in:
Joel Sherrill
2000-11-27 16:00:50 +00:00
parent baedcbb429
commit 86ec6edbe9
26 changed files with 1033 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
c/src/lib/libbsp/sh/shsim/.cvsignore Normal file
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Makefile
Makefile.in
aclocal.m4
config.cache
config.guess
config.log
config.status
config.sub
configure
depcomp
install-sh
missing
mkinstalldirs

13
c/src/lib/libbsp/sh/shsim/ChangeLog Normal file
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2000-11-27 Joel Sherrill <joel@OARcorp.com>
* The shsim is for the SH simulator in gdb. It should be able
to be used with multiple SH CPU models.
* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs,
configure.in, clock/.cvsignore, clock/Makefile.am,
clock/clockdrv.c, console/.cvsignore, console/Makefile.am,
console/console-io.c, console/console-support.S,
include/.cvsignore, include/Makefile.am, include/bsp.h,
start/.cvsignore, start/Makefile.am, start/regs.S,
start/start.S, startup/.cvsignore, startup/Makefile.am,
startup/bspstart.c, startup/linkcmds, wrapup/.cvsignore,
wrapup/Makefile.am: New files.

18
c/src/lib/libbsp/sh/shsim/Makefile.am Normal file
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##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
ACLOCAL_AMFLAGS = -I ../../../../../../aclocal
# wrapup is the one that actually builds and installs the library
# from the individual .rel files built in other directories
#SUBDIRS = include start startup clock console timer wrapup
SUBDIRS = include start startup clock console wrapup
include $(top_srcdir)/../../bsp.am
EXTRA_DIST = bsp_specs times
include $(top_srcdir)/../../../../../../automake/subdirs.am
include $(top_srcdir)/../../../../../../automake/local.am

14
c/src/lib/libbsp/sh/shsim/README Normal file
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#
# $Id$
#
Simple BSP for the SH simulator built into gdb.
Simulator Invocation
====================
target sim
Status
======
Does not link yet. libcpu/sh code needs to be addressed so we can
get context switch code.

23
c/src/lib/libbsp/sh/shsim/bsp_specs Normal file
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%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:
%(old_link) %{!qrtems: %(old_link)} %{qrtems: -dc -dp -N -e _start}

2
c/src/lib/libbsp/sh/shsim/clock/.cvsignore Normal file
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Makefile
Makefile.in

33
c/src/lib/libbsp/sh/shsim/clock/Makefile.am Normal file
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##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
PGM = $(ARCH)/clock.rel
C_FILES = clockdrv.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/compile.am
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

22
c/src/lib/libbsp/sh/shsim/clock/clockdrv.c Normal file
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/*
* Instantiate the clock driver shell.
*
* Since there is no clock source on the simulator, all we do is
* make sure it will build.
*
* $Id$
*/
#define CLOCK_VECTOR 0
#define Clock_driver_support_at_tick()
#define Clock_driver_support_install_isr( _new, _old ) \
do { _old = 0; } while(0)
#define Clock_driver_support_initialize_hardware()
#define Clock_driver_support_shutdown_hardware()
#include "../../../shared/clockdrv_shell.c"

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c/src/lib/libbsp/sh/shsim/configure.in Normal file
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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-sh-shsim,$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
RTEMS_PROJECT_ROOT
# Explicitly list all Makefiles here
AC_OUTPUT(
Makefile
clock/Makefile
console/Makefile
include/Makefile
start/Makefile
startup/Makefile
wrapup/Makefile)

2
c/src/lib/libbsp/sh/shsim/console/.cvsignore Normal file
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Makefile
Makefile.in

38
c/src/lib/libbsp/sh/shsim/console/Makefile.am Normal file
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##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
VPATH = @srcdir@:@srcdir@/../../../shared
PGM = $(ARCH)/console.rel
C_FILES = console-io.c console-polled.c
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
S_FILES = console-support.S
S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o)
OBJS = $(C_O_FILES) $(S_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../../../../automake/compile.am
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
include $(top_srcdir)/../../../../../../automake/local.am

62
c/src/lib/libbsp/sh/shsim/console/console-io.c Normal file
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/*
* This file contains the hardware specific portions of the TTY driver
* for the simulators stdin/out.
*
* Logic based on newlib-1.8.2/newlib/libc/sys/sh/syscalls.c
*
* COPYRIGHT (c) 1989-2000.
* 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>
#define SYS_exit 1
#define SYS_read 3
#define SYS_write 4
/*
* console_outbyte_polled
*
* This routine transmits a character using polling.
*/
void console_outbyte_polled(
int port,
char ch
)
{
return __trap34 (SYS_write, 1, &ch, 1);
}
/*
* console_inbyte_nonblocking
*
* This routine polls for a character.
*/
int console_inbyte_nonblocking(
int port
)
{
unsigned char c;
return __trap34 (SYS_read, 0, &c, 1);
}
/* XXX wrong place for this */
_sys_exit (n)
{
return __trap34 (SYS_exit, n, 0, 0);
}

21
c/src/lib/libbsp/sh/shsim/console/console-support.S Normal file
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/*
* newlib-1.8.2/newlib/libc/sys/sh/trap.S
*
* $Id$
*/
.text
.global ___trap34
___trap34:
trapa #34
tst r1,r1 ! r1 is errno
bt ret
mov.l perrno,r2
mov.l r1,@r2
ret:
rts
nop
.align 2
perrno:
.long _errno

2
c/src/lib/libbsp/sh/shsim/include/.cvsignore Normal file
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Makefile
Makefile.in

25
c/src/lib/libbsp/sh/shsim/include/Makefile.am Normal file
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##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
H_FILES = bsp.h ../../../shared/include/coverhd.h
$(PROJECT_INCLUDE):
$(mkinstalldirs) $@
$(PROJECT_INCLUDE)/bsp.h: bsp.h
$(INSTALL_DATA) $< $@
$(PROJECT_INCLUDE)/coverhd.h: ../../../shared/include/coverhd.h
$(INSTALL_DATA) $< $@
TMPINSTALL_FILES += $(PROJECT_INCLUDE) $(PROJECT_INCLUDE)/bsp.h \
$(PROJECT_INCLUDE)/coverhd.h
all-local: $(TMPINSTALL_FILES)
EXTRA_DIST = bsp.h
include $(top_srcdir)/../../../../../../automake/local.am

85
c/src/lib/libbsp/sh/shsim/include/bsp.h Normal file
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/* bsp.h
*
* This include file contains some definitions specific to the
* JMR3904 simulator in gdb.
*
* COPYRIGHT (c) 1989-2000.
* 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 __JMR3904_h
#define __JMR3904_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems.h>
#include <iosupp.h>
#include <console.h>
#include <clockdrv.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 */
/*
* Define the interrupt mechanism for Time Test 27
*
* NOTE: Following are for XXX and are board independent
*
*/
#define MUST_WAIT_FOR_INTERRUPT 0
#define Install_tm27_vector( handler )
#define Cause_tm27_intr()
#define Clear_tm27_intr()
#define Lower_tm27_intr()
/* Constants */
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration;
/*
* Device Driver Table Entries
*/
/*
* NOTE: Use the standard Console driver entry
*/
/*
* NOTE: Use the standard Clock driver entry
*/
/* functions */
void bsp_cleanup( void );
/* i960_isr_entry set_vector( rtems_isr_entry, unsigned int, unsigned int ); */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */

2
c/src/lib/libbsp/sh/shsim/start/.cvsignore Normal file
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Makefile
Makefile.in

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c/src/lib/libbsp/sh/shsim/start/Makefile.am Normal file
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##
## $Id$
##
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/compile.am
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

138
c/src/lib/libbsp/sh/shsim/start/regs.S Normal file
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/*
* regs.S -- standard MIPS register names from
* newlib-1.8.2/libgloss/mips and adapted.
*
* Copyright (c) 1995 Cygnus Support
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
/* Standard MIPS register names: */
#define zero $0
#define z0 $0
#define v0 $2
#define v1 $3
#define a0 $4
#define a1 $5
#define a2 $6
#define a3 $7
#define t0 $8
#define t1 $9
#define t2 $10
#define t3 $11
#define t4 $12
#define t5 $13
#define t6 $14
#define t7 $15
#define s0 $16
#define s1 $17
#define s2 $18
#define s3 $19
#define s4 $20
#define s5 $21
#define s6 $22
#define s7 $23
#define t8 $24
#define t9 $25
#define k0 $26 /* kernel private register 0 */
#define k1 $27 /* kernel private register 1 */
#define gp $28 /* global data pointer */
#define sp $29 /* stack-pointer */
#define fp $30 /* frame-pointer */
#define ra $31 /* return address */
#define pc $pc /* pc, used on mips16 */
#define fp0 $f0
#define fp1 $f1
/* Useful memory constants: */
#define K0BASE 0x80000000
#ifndef __mips64
#define K1BASE 0xA0000000
#else
#define K1BASE 0xFFFFFFFFA0000000LL
#endif
#define PHYS_TO_K1(a) ((unsigned)(a) | K1BASE)
/* Standard Co-Processor 0 register numbers:
#define C0_COUNT $9 /* Count Register */
#define C0_SR $12 /* Status Register */
#define C0_CAUSE $13 /* last exception description */
#define C0_EPC $14 /* Exception error address */
#define C0_CONFIG $16 /* CPU configuration */
/* Standard Status Register bitmasks: */
#define SR_CU1 0x20000000 /* Mark CP1 as usable */
#define SR_FR 0x04000000 /* Enable MIPS III FP registers */
#define SR_BEV 0x00400000 /* Controls location of exception vectors */
#define SR_PE 0x00100000 /* Mark soft reset (clear parity error) */
#define SR_KX 0x00000080 /* Kernel extended addressing enabled */
#define SR_SX 0x00000040 /* Supervisor extended addressing enabled */
#define SR_UX 0x00000020 /* User extended addressing enabled */
/* Standard (R4000) cache operations. Taken from "MIPS R4000
Microprocessor User's Manual" 2nd edition: */
#define CACHE_I (0) /* primary instruction */
#define CACHE_D (1) /* primary data */
#define CACHE_SI (2) /* secondary instruction */
#define CACHE_SD (3) /* secondary data (or combined instruction/data) */
#define INDEX_INVALIDATE (0) /* also encodes WRITEBACK if CACHE_D or CACHE_SD */
#define INDEX_LOAD_TAG (1)
#define INDEX_STORE_TAG (2)
#define CREATE_DIRTY_EXCLUSIVE (3) /* CACHE_D and CACHE_SD only */
#define HIT_INVALIDATE (4)
#define CACHE_FILL (5) /* CACHE_I only */
#define HIT_WRITEBACK_INVALIDATE (5) /* CACHE_D and CACHE_SD only */
#define HIT_WRITEBACK (6) /* CACHE_I, CACHE_D and CACHE_SD only */
#define HIT_SET_VIRTUAL (7) /* CACHE_SI and CACHE_SD only */
#define BUILD_CACHE_OP(o,c) (((o) << 2) | (c))
/* Individual cache operations: */
#define INDEX_INVALIDATE_I BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_I)
#define INDEX_WRITEBACK_INVALIDATE_D BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_D)
#define INDEX_INVALIDATE_SI BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_SI)
#define INDEX_WRITEBACK_INVALIDATE_SD BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_SD)
#define INDEX_LOAD_TAG_I BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_I)
#define INDEX_LOAD_TAG_D BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_D)
#define INDEX_LOAD_TAG_SI BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_SI)
#define INDEX_LOAD_TAG_SD BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_SD)
#define INDEX_STORE_TAG_I BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_I)
#define INDEX_STORE_TAG_D BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_D)
#define INDEX_STORE_TAG_SI BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_SI)
#define INDEX_STORE_TAG_SD BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_SD)
#define CREATE_DIRTY_EXCLUSIVE_D BUILD_CACHE_OP(CREATE_DIRTY_EXCLUSIVE,CACHE_D)
#define CREATE_DIRTY_EXCLUSIVE_SD BUILD_CACHE_OP(CREATE_DIRTY_EXCLUSIVE,CACHE_SD)
#define HIT_INVALIDATE_I BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_I)
#define HIT_INVALIDATE_D BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_D)
#define HIT_INVALIDATE_SI BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_SI)
#define HIT_INVALIDATE_SD BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_SD)
#define CACHE_FILL_I BUILD_CACHE_OP(CACHE_FILL,CACHE_I)
#define HIT_WRITEBACK_INVALIDATE_D BUILD_CACHE_OP(HIT_WRITEBACK_INVALIDATE,CACHE_D)
#define HIT_WRITEBACK_INVALIDATE_SD BUILD_CACHE_OP(HIT_WRITEBACK_INVALIDATE,CACHE_SD)
#define HIT_WRITEBACK_I BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_I)
#define HIT_WRITEBACK_D BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_D)
#define HIT_WRITEBACK_SD BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_SD)
#define HIT_SET_VIRTUAL_SI BUILD_CACHE_OP(HIT_SET_VIRTUAL,CACHE_SI)
#define HIT_SET_VIRTUAL_SD BUILD_CACHE_OP(HIT_SET_VIRTUAL,CACHE_SD)
/*> EOF regs.S <*/

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c/src/lib/libbsp/sh/shsim/start/start.S Normal file
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.section .text
.global start
start:
mov.l stack_k,r15
! zero out bss
mov.l edata_k,r0
mov.l end_k,r1
mov #0,r2
start_l:
mov.l r2,@r0
add #4,r0
cmp/ge r0,r1
bt start_l
#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY)
mov.l set_fpscr_k, r1
jsr @r1
mov #0,r4
lds r3,fpscr
#endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) */
! call the mainline
mov.l boot_card_k,r0
jsr @r0
or r0,r0
! call exit
mov r0,r4
mov.l exit_k,r0
jsr @r0
or r0,r0
.align 2
#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
set_fpscr_k:
.long ___set_fpscr
#endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(SH4_SINGLE_ONLY) */
stack_k:
.long _stack
edata_k:
.long _edata
end_k:
.long _end
boot_card_k:
.long _boot_card
exit_k:
.long _exit
#ifdef __ELF__
.section .stack,"aw"
#else
.section .stack
#endif
_stack: .long 0xdeaddead

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c/src/lib/libbsp/sh/shsim/startup/.cvsignore Normal file
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Makefile
Makefile.in

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c/src/lib/libbsp/sh/shsim/startup/Makefile.am Normal file
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##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
VPATH = @srcdir@:@srcdir@/../../../shared
PGM = $(ARCH)/startup.rel
C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c bootcard.c main.c sbrk.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/compile.am
include $(top_srcdir)/../../../../../../automake/lib.am
#
# (OPTIONAL) Add local stuff here using +=
#
$(PGM): $(OBJS)
$(make-rel)
$(PROJECT_RELEASE)/lib/linkcmds: linkcmds
$(INSTALL_DATA) $< $@
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds
all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
.PRECIOUS: $(PGM)
EXTRA_DIST = bspclean.c bspstart.c exit.c linkcmds setvec.c
include $(top_srcdir)/../../../../../../automake/local.am

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c/src/lib/libbsp/sh/shsim/startup/bspstart.c Normal file
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/*
* This routine starts the application. It includes application,
* board, and monitor specific initialization and configuration.
* The generic CPU dependent initialization has been performed
* before this routine is invoked.
*
* COPYRIGHT (c) 1989-2000.
* 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 <string.h>
#include <bsp.h>
#include <rtems/libio.h>
#include <rtems/libcsupport.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;
char *rtems_progname;
/*
* Use the shared implementations of the following routines
*/
void bsp_postdriver_hook(void);
void bsp_libc_init( void *, unsigned32, int );
/*
* Function: bsp_pretasking_hook
* Created: 95/03/10
*
* Description:
* BSP pretasking hook. Called just before drivers are initialized.
* Used to setup libc and install any BSP extensions.
*
* NOTES:
* Must not use libc (to do io) from here, since drivers are
* not yet initialized.
*
*/
void bsp_pretasking_hook(void)
{
extern int HeapBase;
extern int HeapSize;
void *heapStart = &HeapBase;
unsigned long heapSize = (unsigned long)&HeapSize;
unsigned long ramSpace;
bsp_libc_init(heapStart, (unsigned32) heapSize, 0);
#ifdef RTEMS_DEBUG
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
#endif
}
/*
* bsp_start
*
* This routine does the bulk of the system initialization.
*/
void bsp_start( void )
{
extern int _end;
extern int WorkspaceBase;
/* Configure Number of Register Caches */
Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */
Cpu_table.postdriver_hook = bsp_postdriver_hook;
Cpu_table.interrupt_stack_size = 4096;
if ( BSP_Configuration.work_space_size >(512*1024) )
_sys_exit( 1 );
BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
}
/* XXX */
void clear_cache( void *address, size_t n )
{
}
/* Structure filled in by get_mem_info. Only the size field is
actually used (to clear bss), so the others aren't even filled in. */
struct s_mem
{
unsigned int size;
unsigned int icsize;
unsigned int dcsize;
};
void
get_mem_info (mem)
struct s_mem *mem;
{
mem->size = 0x1000000; /* XXX figure out something here */
}

203
c/src/lib/libbsp/sh/shsim/startup/linkcmds Normal file
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/*
* This is an adapted linker script from egcs-1.0.1
*
* Memory layout for an SH 7032 with main memory in area 2
* This memory layout it very similar to that used for Hitachi's
* EVB with CMON in rom
*
* NOTE: The ram start address may vary, all other start addresses are fixed
* Not suiteable for gdb's simulator
*
* Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
* Bernd Becker (becker@faw.uni-ulm.de)
*
* COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*
* COPYRIGHT (c) 1998.
* 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.
*
* $Id$
*/
OUTPUT_FORMAT("coff-sh")
OUTPUT_ARCH(sh)
ENTRY(_start)
MEMORY
{
rom : o = 0x00000000, l = 128k
onchip_peri : o = 0x05000000, l = 512
ram : o = 0x0A040000, l = 256k
onchip_ram : o = 0x0f000000, l = 8k
}
SECTIONS
{
/* boot vector table */
.monvects 0x00000000 (NOLOAD): {
_monvects = . ;
} > rom
/* monitor play area */
.monram 0x0A040000 (NOLOAD) :
{
_ramstart = .;
} > ram
/* monitor vector table */
.vects 0x0A042000 (NOLOAD) : {
_vectab = . ;
*(.vects);
}
/* Read-only sections, merged into text segment: */
. = 0x0a044000 ;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.rel.text :
{ *(.rel.text) *(.rel.gnu.linkonce.t*) }
.rela.text :
{ *(.rela.text) *(.rela.gnu.linkonce.t*) }
.rel.data :
{ *(.rel.data) *(.rel.gnu.linkonce.d*) }
.rela.data :
{ *(.rela.data) *(.rela.gnu.linkonce.d*) }
.rel.rodata :
{ *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
.rela.rodata :
{ *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) } =0
.plt : { *(.plt) }
.text . :
{
*(.text)
*(.stub)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
} > ram
_etext = .;
PROVIDE (etext = .);
.fini . : { *(.fini) } =0
.rodata . : { *(.rodata) *(.gnu.linkonce.r*) }
.rodata1 . : { *(.rodata1) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
. = ALIGN(128) + (. & (128 - 1));
.data . :
{
*(.data)
*(.gnu.linkonce.d*)
CONSTRUCTORS
} > ram
.data1 . : { *(.data1) }
.ctors . :
{
___ctors = .;
*(.ctors)
___ctors_end = .;
}
.dtors . :
{
___dtors = .;
*(.dtors)
___dtors_end = .;
}
.got . : { *(.got.plt) *(.got) }
.dynamic . : { *(.dynamic) }
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata . : { *(.sdata) }
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
.sbss . : { *(.sbss) *(.scommon) }
.bss . :
{
*(.dynbss)
*(.bss)
*(COMMON)
} > ram
_end = . ;
PROVIDE (end = .);
_HeapBase = . ;
. = . + 1024 * 20 ;
PROVIDE( _HeapEnd = . );
_WorkSpaceBase = . ;
. = 0x0a080000 ;
PROVIDE(_WorkSpaceEnd = .);
_CPU_Interrupt_stack_low = 0x0f000000 ;
_CPU_Interrupt_stack_high = _CPU_Interrupt_stack_low + 4096 ;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
.stack 0x0f001ff0 : { _stack = .; *(.stack) } > onchip_ram
/* These must appear regardless of . */
}

2
c/src/lib/libbsp/sh/shsim/wrapup/.cvsignore Normal file
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Makefile
Makefile.in

36
c/src/lib/libbsp/sh/shsim/wrapup/Makefile.am Normal file
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##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
BSP_FILES = startup clock console timer
# CPU_PIECES = score
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../../../../automake/compile.am
include $(top_srcdir)/../../../../../../automake/lib.am
# bummer; have to use $foreach since % pattern subst rules only replace 1x
OBJS = $(foreach piece, $(BSP_FILES), $(wildcard ../$(piece)/$(ARCH)/*.o)) \
$(wildcard ../../../../libcpu/$(RTEMS_CPU)/$(RTEMS_CPU_MODEL)/$(ARCH)/*.o) \
$(foreach piece, $(GENERIC_FILES), ../../../$(piece)/$(ARCH)/$(piece).rel)
LIB = $(ARCH)/libbsp.a
#
# (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} $(TMPINSTALL_FILES)
include $(top_srcdir)/../../../../../../automake/local.am