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Moved start code from lib/start to libbsp.

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This commit is contained in:
Joel Sherrill
1999-11-16 13:45:51 +00:00
parent 7f93f772d8
commit 1d04e1673e
14 changed files with 22 additions and 829 deletions
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2
c/src/lib/libbsp/i960/cvme961/Makefile.in
View File

@@ -24,7 +24,7 @@ MP_SUPPORT = $(MP_SUPPORT_$(HAS_MP)_V)
# wrapup is the one that actually builds and installs the library
# from the individual .rel files built in other directories
SUB_DIRS = include startup clock console $(MP_SUPPORT) timer wrapup
SUB_DIRS = include start startup clock console $(MP_SUPPORT) timer wrapup
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \

13
c/src/lib/libbsp/i960/cvme961/start/Makefile.in
View File

@@ -5,13 +5,16 @@
@SET_MAKE@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = .
top_builddir = ../../..
subdir = i960/cvme961/start
RTEMS_ROOT = @RTEMS_ROOT@
PROJECT_ROOT = @PROJECT_ROOT@
VPATH = @srcdir@
PGM = ${ARCH}/start.o
# C source names, if any, go here -- minus the .c
C_PIECES =
C_FILES = $(C_PIECES:%=%.c)
@@ -24,16 +27,14 @@ S_PIECES = start
S_FILES = $(S_PIECES:%=%.S)
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
SRCS = $(C_FILES) $(H_FILES) $(S_FILES)
OBJS = $(C_O_FILES) $(S_O_FILES)
SRCS = $(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES)
OBJS = $(C_O_FILES) $(CC_O_FILES) $(S_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(RTEMS_ROOT)/make/leaf.cfg
INSTALL_CHANGE = @INSTALL_CHANGE@
PGM = ${ARCH}/start.o
#
# (OPTIONAL) Add local stuff here using +=
#
@@ -61,4 +62,4 @@ all: ${ARCH} $(SRCS) $(OBJS) $(PGM)
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status

11
c/src/lib/libbsp/mips64orion/p4000/start/Makefile.in
View File

@@ -5,13 +5,16 @@
@SET_MAKE@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = .
top_builddir = ../../..
subdir = mips64orion/p4000/start
RTEMS_ROOT = @RTEMS_ROOT@
PROJECT_ROOT = @PROJECT_ROOT@
VPATH = @srcdir@
PGM = ${ARCH}/start.o
# C source names, if any, go here -- minus the .c
C_PIECES =
C_FILES = $(C_PIECES:%=%.c)
@@ -20,7 +23,7 @@ C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
H_FILES =
# Assembly source names, if any, go here -- minus the .S
S_PIECES = idt_csu
S_PIECES = start
S_FILES = $(S_PIECES:%=%.S)
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
@@ -32,8 +35,6 @@ include $(RTEMS_ROOT)/make/leaf.cfg
INSTALL_CHANGE = @INSTALL_CHANGE@
PGM = ${ARCH}/idt_csu.o
#
# (OPTIONAL) Add local stuff here using +=
#
@@ -61,4 +62,4 @@ all: ${ARCH} $(SRCS) $(OBJS) $(PGM)
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status

2
c/src/lib/libbsp/sh/gensh1/Makefile.in
View File

@@ -20,7 +20,7 @@ INSTALL_CHANGE = @INSTALL_CHANGE@
# wrapup is the one that actually builds and installs the library
# from the individual .rel files built in other directories
SUB_DIRS = include startup scitab wrapup
SUB_DIRS = include start startup scitab wrapup
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \

18
c/src/lib/libbsp/sh/gensh1/start/Makefile.in
View File

@@ -5,14 +5,15 @@
@SET_MAKE@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = .
top_builddir = ../../..
subdir = sh/gensh1/start
RTEMS_ROOT = @RTEMS_ROOT@
PROJECT_ROOT = @PROJECT_ROOT@
VPATH = @srcdir@
PGMS = ${ARCH}/start.o
PGM = ${ARCH}/start.o
# C source names, if any, go here -- minus the .c
C_PIECES =
@@ -26,8 +27,8 @@ S_PIECES = start
S_FILES = $(S_PIECES:%=%.S)
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
SRCS = $(C_FILES) $(H_FILES) $(S_FILES)
OBJS = $(C_O_FILES) $(S_O_FILES)
SRCS = $(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES)
OBJS = $(C_O_FILES) $(CC_O_FILES) $(S_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(RTEMS_ROOT)/make/leaf.cfg
@@ -46,11 +47,6 @@ LD_PATHS +=
LD_LIBS +=
LDFLAGS +=
# force optimization, unless start.o will not work
# CFLAGS_PROFILE=
# CFLAGS_DEBUG=-O3
# CFLAGS_OPTIMIZE=-O3
#
# Add your list of files to delete here. The config files
# already know how to delete some stuff, so you may want
@@ -62,8 +58,8 @@ CLEAN_ADDITIONS +=
CLOBBER_ADDITIONS +=
all: ${ARCH} $(SRCS) $(OBJS) $(PGM)
@$(INSTALL_VARIANT) -m 755 ${PGMS} $(PROJECT_RELEASE)/lib
$(INSTALL_VARIANT) -m 755 ${PGM} $(PROJECT_RELEASE)/lib
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status

64
c/src/lib/start/i960/Makefile.in
View File

@@ -1,64 +0,0 @@
#
# $Id$
#
@SET_MAKE@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = .
RTEMS_ROOT = @RTEMS_ROOT@
PROJECT_ROOT = @PROJECT_ROOT@
VPATH = @srcdir@
# C source names, if any, go here -- minus the .c
C_PIECES =
C_FILES = $(C_PIECES:%=%.c)
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
H_FILES =
# Assembly source names, if any, go here -- minus the .S
S_PIECES = start
S_FILES = $(S_PIECES:%=%.S)
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
SRCS = $(C_FILES) $(H_FILES) $(S_FILES)
OBJS = $(C_O_FILES) $(S_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(RTEMS_ROOT)/make/leaf.cfg
INSTALL_CHANGE = @INSTALL_CHANGE@
PGM = ${ARCH}/start.o
#
# (OPTIONAL) Add local stuff here using +=
#
DEFINES +=
CPPFLAGS +=
CFLAGS +=
LD_PATHS +=
LD_LIBS +=
LDFLAGS +=
#
# Add your list of files to delete here. The config files
# already know how to delete some stuff, so you may want
# to just run 'make clean' first to see what gets missed.
# 'make clobber' already includes 'make clean'
#
CLEAN_ADDITIONS +=
CLOBBER_ADDITIONS +=
all: ${ARCH} $(SRCS) $(OBJS) $(PGM)
$(INSTALL_VARIANT) -m 755 ${PGM} $(PROJECT_RELEASE)/lib
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status

35
c/src/lib/start/i960/configure.in
View File

@@ -1,35 +0,0 @@
dnl Process this file with autoconf to produce a configure script.
dnl
dnl $Id$
AC_PREREQ(2.13)
AC_INIT(start.S)
RTEMS_TOP(../../../../..)
AC_CONFIG_AUX_DIR(../../../../..)
RTEMS_CANONICAL_TARGET_CPU
AC_PROG_MAKE_SET
AC_PROG_INSTALL
# AM_INIT_AUTOMAKE(rtems-c-src-lib-start-i960,$RTEMS_VERSION,no)
AM_MAINTAINER_MODE
RTEMS_ENABLE_LIBCDIR
RTEMS_ENABLE_BARE
RTEMS_ENV_RTEMSBSP
RTEMS_CHECK_CPU
RTEMS_CANONICAL_HOST
RTEMS_PROJECT_ROOT
dnl check target cc
RTEMS_PROG_CC_FOR_TARGET
RTEMS_CANONICALIZE_TOOLS
RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
# try to explicitly list a Makefile here
AC_OUTPUT(
Makefile
)

110
c/src/lib/start/i960/start.S
View File

@@ -1,110 +0,0 @@
/* entry.s
*
* This file contains the entry point for the application.
* The name of this entry point is compiler dependent.
* It jumps to the BSP which is responsible for performing
* all initialization.
*
* COPYRIGHT (c) 1989-1998.
* 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.
*
* $Id$
*/
#include "asm.h"
BEGIN_CODE
PUBLIC(start) # GNU960 default entry point
SYM(start):
mov 3, r12
modpc r12, r12, r12 # enable tracing/trace faults
mov g5, g5 # NOP
mov 0, g14 # initialize constant for C
/*
* zero out uninitialized data area
*/
zerobss:
lda _end, r4 /* find end of .bss */
lda _bss_start, r5 /* find beginning of .bss */
ldconst 0, r6
loop: st r6, (r5) /* to zero out uninitialized */
addo 4, r5, r5 /* data area */
cmpobl r5, r4, loop /* loop until _end reached */
/* set up stack pointer:
* The heap will begin at '_end'; its length is 'heap_size'
* bytes. The stack will begin at the first 64-byte-aligned
* block after the heap.
*
* A default value of 'heap_size' is set by linking with libnindy.a
* The default can be overridden by redefining this symbol at link
* time (with a line of the form 'heap_size=XXXX;' in the lnk960
* linker specification file; or one of the form
* "-defsym heap_size=XXXX" on the gld960 invocation line).
*/
ldconst _end, sp /* set sp = address of end of heap */
lda heap_size(sp),sp
lda 64(sp), sp /* Now round up to 64-byte boundary */
ldconst 0xffffffc0, r12
and r12, sp, sp
st sp, _stack_start /* Save for brk() routine */
call init_frames
ret /* return to monitor */
init_frames:
mov 0, g14 /* initialize constant for C */
ldconst 0x3b001000, g0
ldconst 0x00009107, g1
modac g1, g0, g0 /* set AC controls */
/*
* remember the frame, so that we can set it up if necessary
*/
st fp, _start_frame
/*
* Call application boot_card.
* Someday, real values of argc and argv will be set up.
* For now, they are set to 0.
*/
ldconst 0,g0
ldconst 0,g1
ldconst 0,g2
call _boot_card
ret
END_CODE
BEGIN_DATA
PUBLIC(_start_frame)
PUBLIC(start_frame)
SYM (_start_frame):
SYM (start_frame):
.word 0 # addr of first user frame: for gdb960
PUBLIC(_stack_start)
PUBLIC(stack_start)
SYM (_stack_start):
SYM (stack_start):
.word 0 # addr of first user frame: for gdb960
END_DATA
BEGIN_BSS
PUBLIC(heap_size)
.set heap_size,0x2000
END_BSS
END

64
c/src/lib/start/mips64orion/Makefile.in
View File

@@ -1,64 +0,0 @@
#
# $Id$
#
@SET_MAKE@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = .
RTEMS_ROOT = @RTEMS_ROOT@
PROJECT_ROOT = @PROJECT_ROOT@
VPATH = @srcdir@
# C source names, if any, go here -- minus the .c
C_PIECES =
C_FILES = $(C_PIECES:%=%.c)
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
H_FILES =
# Assembly source names, if any, go here -- minus the .S
S_PIECES = idt_csu
S_FILES = $(S_PIECES:%=%.S)
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
SRCS = $(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES)
OBJS = $(C_O_FILES) $(CC_O_FILES) $(S_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(RTEMS_ROOT)/make/leaf.cfg
INSTALL_CHANGE = @INSTALL_CHANGE@
PGM = ${ARCH}/idt_csu.o
#
# (OPTIONAL) Add local stuff here using +=
#
DEFINES +=
CPPFLAGS +=
CFLAGS +=
LD_PATHS +=
LD_LIBS +=
LDFLAGS +=
#
# Add your list of files to delete here. The config files
# already know how to delete some stuff, so you may want
# to just run 'make clean' first to see what gets missed.
# 'make clobber' already includes 'make clean'
#
CLEAN_ADDITIONS +=
CLOBBER_ADDITIONS +=
all: ${ARCH} $(SRCS) $(OBJS) $(PGM)
$(INSTALL_VARIANT) -m 755 ${PGM} $(PROJECT_RELEASE)/lib
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status

35
c/src/lib/start/mips64orion/configure.in
View File

@@ -1,35 +0,0 @@
dnl Process this file with autoconf to produce a configure script.
dnl
dnl $Id$
AC_PREREQ(2.13)
AC_INIT(idt_csu.S)
RTEMS_TOP(../../../../..)
AC_CONFIG_AUX_DIR(../../../../..)
RTEMS_CANONICAL_TARGET_CPU
AC_PROG_MAKE_SET
AC_PROG_INSTALL
# AM_INIT_AUTOMAKE(rtems-c-src-lib-start-mips64orion,$RTEMS_VERSION,no)
AM_MAINTAINER_MODE
RTEMS_ENABLE_LIBCDIR
RTEMS_ENABLE_BARE
RTEMS_ENV_RTEMSBSP
RTEMS_CHECK_CPU
RTEMS_CANONICAL_HOST
RTEMS_PROJECT_ROOT
dnl check target cc
RTEMS_PROG_CC_FOR_TARGET
RTEMS_CANONICALIZE_TOOLS
RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
# try to explicitly list a Makefile here
AC_OUTPUT(
Makefile
)

299
c/src/lib/start/mips64orion/idt_csu.S
View File

@@ -1,299 +0,0 @@
/*
Based upon IDT provided code with the following release:
This source code has been made available to you by IDT on an AS-IS
basis. Anyone receiving this source is licensed under IDT copyrights
to use it in any way he or she deems fit, including copying it,
modifying it, compiling it, and redistributing it either with or
without modifications. No license under IDT patents or patent
applications is to be implied by the copyright license.
Any user of this software should understand that IDT cannot provide
technical support for this software and will not be responsible for
any consequences resulting from the use of this software.
Any person who transfers this source code or any derivative work must
include the IDT copyright notice, this paragraph, and the preceeding
two paragraphs in the transferred software.
COPYRIGHT IDT CORPORATION 1996
LICENSED MATERIAL - PROGRAM PROPERTY OF IDT
$Id$
*/
/*************************************************************************
**
** Copyright 1991-95 Integrated Device Technology, Inc.
** All Rights Reserved
**
** idt_csu.S -- IDT stand alone startup code
**
**************************************************************************/
#include <iregdef.h>
#include <idtcpu.h>
#include <idtmon.h>
.extern _fbss,4 /* this is defined by the linker */
.extern end,4 /* this is defined by the linker */
.lcomm sim_mem_cfg_struct,12
.text
#define TMP_STKSIZE 1024
/**************************************************************************
**
** start - Typicl standalone start up code required for R3000/R4000
**
**
** 1) Initialize the STATUS Register
** a) Clear parity error bit
** b) Set co_processor 1 usable bit ON
** c) Clear all IntMask Enables
** d) Set kernel/disabled mode
** 2) Initialize Cause Register
** a) clear software interrupt bits
** 3) Determine FPU installed or not
** if not, clear CoProcessor 1 usable bit
** 4) Clear bss area
** 5) MUST allocate temporary stack until memory size determined
** It MUST be uncached to prevent overwriting when caches are cleared
** 6) Install exception handlers
** 7) Determine memory and cache sizes
** 8) Establish permanent stack (cached or uncached as defined by bss)
** 9) Flush Instruction and Data caches
** 10) If there is a Translation Lookaside Buffer, Clear the TLB
** 11) Execute initialization code if the IDT/c library is to be used
**
** 12) Jump to user's "main()"
** 13) Jump to promexit
**
** IDT/C 5.x defines _R3000, IDT/C 6.x defines _R4000 internally.
** This is used to mark code specific to R3xxx or R4xxx processors.
** IDT/C 6.x defines __mips to be the ISA level for which we're
** generating code. This is used to make sure the stack etc. is
** double word aligned, when using -mips3 (default) or -mips2,
** when compiling with IDT/C6.x
**
***************************************************************************/
FRAME(start,sp,0,ra)
.set noreorder
#ifdef _R3000
li v0,SR_PE|SR_CU1 /* reset parity error and set */
/* cp1 usable */
#endif
#ifdef _R4000
#if __mips==3 || defined(R4650)
li v0,SR_CU1|SR_DE|SR_FR /* initally clear ERL, enable FPA 64bit regs*/
/* 4650: Need fr to be set anyway */
#else
li v0,SR_CU1|SR_DE /* initally clear ERL, enable FPA 32bit regs*/
#endif mips3
#endif
mtc0 v0,C0_SR /* clr IntMsks/ kernel/disabled mode */
nop
mtc0 zero,C0_CAUSE /* clear software interrupts */
nop
#ifdef _R4000
li v0,CFG_C_NONCOHERENT # initialise default cache mode
mtc0 v0,C0_CONFIG
#endif
/*
** check to see if an fpu is really plugged in
*/
li t3,0xaaaa5555 /* put a's and 5's in t3 */
mtc1 t3,fp0 /* try to write them into fp0 */
mtc1 zero,fp1 /* try to write zero in fp */
mfc1 t0,fp0
mfc1 t1,fp1
nop
bne t0,t3,1f /* branch if no match */
nop
bne t1,zero,1f /* double check for positive id */
nop
/* We have a FPU. clear fcsr */
ctc1 zero, fcr31
j 2f /* status register already correct */
nop
1:
#ifdef _R3000
li v0, SR_PE /* reset parity error/NO cp1 usable */
#endif
#ifdef _R4000
li v0,SR_DE /* clear ERL and disable FPA */
#endif
mtc0 v0, C0_SR /* reset status register */
2:
la gp, _gp
la v0,_fbss /* clear bss before using it */
la v1,end /* end of bss */
3: sw zero,0(v0)
bltu v0,v1,3b
add v0,4
/************************************************************************
**
** Temporary Stack - needed to handle stack saves until
** memory size is determined and permanent stack set
**
** MUST be uncached to avoid confusion at cache
** switching during memory sizing
**
*************************************************************************/
#if __mips==3
/* For MIPS 3, we need to be sure that the stack is aligned on a
* double word boundary.
*/
andi t0, v0, 0x7
beqz t0, 11f /* Last three bits Zero, already aligned */
nop
add v0, 4
11:
#endif
or v0, K1BASE /* switch to uncached */
add v1, v0, TMP_STKSIZE /* end of bss + length of tmp stack */
sub v1, v1, (4*4) /* overhead */
move sp, v1 /* set sp to top of stack */
4: sw zero, 0(v0)
bltu v0, v1, 4b /* clear out temp stack */
add v0, 4
jal init_exc_vecs /* install exception handlers */
nop /* MUST do before memory probes */
la v0, 5f
li v1, K1BASE /* force into uncached space */
or v0, v1 /* during memory/cache probes */
j v0
nop
5:
la a0, sim_mem_cfg_struct
jal sim_mem_cfg /* Make SIM call to get mem size */
nop
la a0, sim_mem_cfg_struct
lw a0, 0(a0) /* Get memory size from struct */
#ifdef _R3000
jal config_Icache
nop
jal config_Dcache /* determine size of D & I caches */
nop
#endif
#ifdef _R4000
jal config_cache /* determine size of D & I caches */
nop
#endif
move v0, a0 /* mem_size */
#if __mips==3
/* For MIPS 3, we need to be sure that the stack (and hence v0
* here) is aligned on a double word boundary.
*/
andi t0, v0, 0x7
beqz t0, 12f /* Last three bits Zero, already aligned */
nop
subu v0, 4 /* mem_size was not aligned on doubleword bdry????*/
12:
#endif
/**************************************************************************
**
** Permanent Stack - now know top of memory, put permanent stack there
**
***************************************************************************/
la t2, _fbss /* cache mode as linked */
and t2, 0xF0000000 /* isolate segment */
la t1, 6f
j t1 /* back to original cache mode */
nop
6:
or v0, t2 /* stack back to original cache mode */
addiu v0,v0,-16 /* overhead */
move sp, v0 /* now replace count w top of memory */
move v1, v0
subu v1, P_STACKSIZE /* clear requested stack size */
7: sw zero, 0(v1) /* clear P_STACKSIZE stack */
bltu v1,v0,7b
add v1, 4
.set reorder
#ifdef _R3000
jal flush_Icache
jal flush_Dcache /* flush Data & Instruction caches */
#endif
#ifdef _R4000
jal flush_cache_nowrite /* flush Data & Instruction caches */
#endif
/**************************************************************************
**
** If this chip supports a Translation Lookaside Buffer, clear it
**
***************************************************************************/
.set noreorder
mfc0 t1, C0_SR /* look at Status Register */
nop
.set reorder
#ifdef _R3000
li t2, SR_TS /* TLB Shutdown bit */
and t1,t2 /* TLB Shutdown if 1 */
bnez t1, 8f /* skip clearing if no TLB */
#endif
#ifndef R4650
jal init_tlb /* clear the tlb */
#endif
/************************************************************************
**
** Initialization required if using IDT/c or libc.a, standard C Lib
**
** can SKIP if not necessary for application
**
************************************************************************/
8:
jal idtsim_init_sbrk
jal idtsim_init_file
/*********************** END I/O initialization **********************/
jal main
jal idtsim_promexit
ENDFRAME(start)
.globl sim_mem_cfg
sim_mem_cfg:
.set noat
.set noreorder
li AT, (0xbfc00000+((55)*8))
jr AT
nop
.set at
.set reorder

69
c/src/lib/start/sh/Makefile.in
View File

@@ -1,69 +0,0 @@
#
# $Id$
#
@SET_MAKE@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = .
RTEMS_ROOT = @RTEMS_ROOT@
PROJECT_ROOT = @PROJECT_ROOT@
VPATH = @srcdir@
PGMS = ${ARCH}/start.o
# C source names, if any, go here -- minus the .c
C_PIECES =
C_FILES = $(C_PIECES:%=%.c)
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
H_FILES =
# Assembly source names, if any, go here -- minus the .S
S_PIECES = start
S_FILES = $(S_PIECES:%=%.S)
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
SRCS = $(C_FILES) $(H_FILES) $(S_FILES)
OBJS = $(C_O_FILES) $(S_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(RTEMS_ROOT)/make/leaf.cfg
INSTALL_CHANGE = @INSTALL_CHANGE@
#
# (OPTIONAL) Add local stuff here using +=
#
DEFINES +=
CPPFLAGS +=
CFLAGS +=
LD_PATHS +=
LD_LIBS +=
LDFLAGS +=
# force optimization, unless start.o will not work
# CFLAGS_PROFILE=
# CFLAGS_DEBUG=-O3
# CFLAGS_OPTIMIZE=-O3
#
# Add your list of files to delete here. The config files
# already know how to delete some stuff, so you may want
# to just run 'make clean' first to see what gets missed.
# 'make clobber' already includes 'make clean'
#
CLEAN_ADDITIONS +=
CLOBBER_ADDITIONS +=
all: ${ARCH} $(SRCS) $(OBJS) $(PGM)
@$(INSTALL_VARIANT) -m 755 ${PGMS} $(PROJECT_RELEASE)/lib
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status

35
c/src/lib/start/sh/configure.in
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@@ -1,35 +0,0 @@
dnl Process this file with autoconf to produce a configure script.
dnl
dnl $Id$
AC_PREREQ(2.13)
AC_INIT(start.S)
RTEMS_TOP(../../../../..)
AC_CONFIG_AUX_DIR(../../../../..)
RTEMS_CANONICAL_TARGET_CPU
AC_PROG_MAKE_SET
AC_PROG_INSTALL
# AM_INIT_AUTOMAKE(rtems-c-src-lib-start-sh,$RTEMS_VERSION,no)
AM_MAINTAINER_MODE
RTEMS_ENABLE_LIBCDIR
RTEMS_ENABLE_BARE
RTEMS_ENV_RTEMSBSP
RTEMS_CHECK_CPU
RTEMS_CANONICAL_HOST
RTEMS_PROJECT_ROOT
dnl check target cc
RTEMS_PROG_CC_FOR_TARGET
RTEMS_CANONICALIZE_TOOLS
RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
# try to explicitly list a Makefile here
AC_OUTPUT(
Makefile
)

94
c/src/lib/start/sh/start.S
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@@ -1,94 +0,0 @@
/*
* 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.
*
* $Id$
*/
#include "asm.h"
BEGIN_CODE
PUBLIC(start)
SYM (start):
! install the stack pointer
mov.l stack_k,r15
! zero out bss
mov.l edata_k,r0
mov.l end_k,r1
mov #0,r2
0:
mov.l r2,@r0
add #4,r0
cmp/ge r0,r1
bt 0b
! copy the vector table from rom to ram
mov.l vects_k,r0 ! vectab
mov #0,r1 ! address of boot vector table
mov #0,r2 ! number of bytes copied
mov.w vects_size,r3 ! size of entries in vectab
1:
mov.l @r1+,r4
mov.l r4,@r0
add #4,r0
add #1,r2
cmp/hi r3,r2
bf 1b
mov.l vects_k,r0 ! update vbr to point to vectab
ldc r0,vbr
! call the mainline
mov #0,r4 ! argc
mov.l main_k,r0
jsr @r0
mov #0,r5 ! argv
! call exit
mov r0,r4
mov.l exit_k,r0
jsr @r0
or r0,r0
END_CODE
.align 2
stack_k:
.long SYM(stack)
edata_k:
.long SYM(edata)
end_k:
.long SYM(end)
main_k:
.long SYM(boot_card)
exit_k:
.long SYM(exit)
vects_k:
.long SYM(vectab)
vects_size:
.word 255
#ifdef __ELF__
.section .stack,"aw"
#else
.section .stack
#endif
SYM(stack):
.long 0xdeaddead