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powerpc/t32mppc: New BSP

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This commit is contained in:
Sebastian Huber
2012-05-21 14:56:31 +02:00
parent 7aba2ea4a8
commit e21c287cdb
18 changed files with 841 additions and 1 deletions
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2
c/src/lib/libbsp/powerpc/acinclude.m4
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@@ -34,6 +34,8 @@ AC_DEFUN([RTEMS_CHECK_BSPDIR],
AC_CONFIG_SUBDIRS([score603e]);;
ss555 )
AC_CONFIG_SUBDIRS([ss555]);;
t32mppc )
AC_CONFIG_SUBDIRS([t32mppc]);;
tqm8xx )
AC_CONFIG_SUBDIRS([tqm8xx]);;
virtex4 )

90
c/src/lib/libbsp/powerpc/t32mppc/Makefile.am Normal file
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@@ -0,0 +1,90 @@
ACLOCAL_AMFLAGS = -I ../../../../aclocal
include $(top_srcdir)/../../../../automake/compile.am
include_bspdir = $(includedir)/bsp
dist_project_lib_DATA = bsp_specs
include_HEADERS = include/bsp.h
include_HEADERS += ../../shared/include/tm27.h
nodist_include_HEADERS = include/bspopts.h
DISTCLEANFILES = include/bspopts.h
EXTRA_DIST = README
noinst_PROGRAMS =
include_HEADERS += ../../shared/include/coverhd.h
nodist_include_HEADERS += ../../shared/tod.h
include_bsp_HEADERS = include/irq.h \
../../shared/include/irq-generic.h \
../../shared/include/irq-info.h \
../../shared/include/bootcard.h \
../../shared/include/utility.h \
../shared/include/start.h \
../shared/include/tictac.h \
../shared/include/linker-symbols.h
noinst_LIBRARIES = libbspstart.a
libbspstart_a_SOURCES = start/start.S
project_lib_DATA = start.$(OBJEXT)
libbspstart_a_SOURCES += ../../powerpc/shared/start/rtems_crti.S
project_lib_DATA += rtems_crti.$(OBJEXT)
dist_project_lib_DATA += startup/linkcmds \
../shared/startup/linkcmds.base \
startup/linkcmds.t32mppc
noinst_LIBRARIES += libbsp.a
libbsp_a_SOURCES =
# Startup
libbsp_a_SOURCES += ../../shared/bsplibc.c \
../../shared/bsppost.c \
../../shared/bootcard.c \
../../shared/bsppretaskinghook.c \
../../shared/bsppredriverhook.c \
../../shared/sbrk.c \
../../shared/gnatinstallhandler.c \
../../shared/bspclean.c \
../../shared/bspgetworkarea.c \
../shared/src/tictac.c \
../shared/src/bsp-start-zero.S \
startup/bspstart.c \
startup/bspreset.c
# Clock
libbsp_a_SOURCES += ../shared/clock/clock.c
# Timer
libbsp_a_SOURCES += ../../shared/timerstub.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 += ../../shared/src/irq-legacy.c
libbsp_a_SOURCES += ../../shared/src/irq-server.c
libbsp_a_SOURCES += ../../shared/src/irq-shell.c
libbsp_a_SOURCES += irq/irq.c
# Console
libbsp_a_SOURCES += ../../shared/console.c \
../../shared/console_select.c \
console/console-config.c \
../../shared/console_read.c \
../../shared/console_write.c \
../../shared/console_control.c
libbsp_a_LIBADD = ../../../libcpu/@RTEMS_CPU@/shared/cpuIdent.rel \
../../../libcpu/@RTEMS_CPU@/shared/cache.rel \
../../../libcpu/@RTEMS_CPU@/@exceptions@/rtems-cpu.rel \
../../../libcpu/@RTEMS_CPU@/@exceptions@/exc_bspsupport.rel
include $(srcdir)/preinstall.am
include $(top_srcdir)/../../../../automake/local.am

5
c/src/lib/libbsp/powerpc/t32mppc/README Normal file
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@@ -0,0 +1,5 @@
Board support package for the Lauterbach Trace32 PowerPC simulator.
http://http://www.lauterbach.com
See also files "init.cmm" and "configsim.t32" in this directory.

14
c/src/lib/libbsp/powerpc/t32mppc/bsp_specs Normal file
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@@ -0,0 +1,14 @@
%rename endfile old_endfile
%rename startfile old_startfile
%rename link old_link
*startfile:
%{!qrtems: %(old_startfile)} \
%{!nostdlib: %{qrtems: ecrti%O%s rtems_crti%O%s crtbegin.o%s start.o%s}}
*endfile:
%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s ecrtn.o%s}
*link:
%{!qrtems: %(old_link)} %{qrtems: -dc -dp -u __vectors -N}

7
c/src/lib/libbsp/powerpc/t32mppc/configsim.t32 Normal file
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@@ -0,0 +1,7 @@
PBI=SIM
SCREEN=
FONT=DEC
FONT=SMALL
HEADER=Simulator

28
c/src/lib/libbsp/powerpc/t32mppc/configure.ac Normal file
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@@ -0,0 +1,28 @@
AC_PREREQ(2.60)
AC_INIT([rtems-c-src-lib-libbsp-powerpc-qoriq],[_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 1.10])
RTEMS_BSP_CONFIGURE
RTEMS_PROG_CC_FOR_TARGET
RTEMS_CANONICALIZE_TOOLS
RTEMS_PROG_CCAS
RTEMS_BSPOPTS_SET_DATA_CACHE_ENABLED([*],[1])
RTEMS_BSPOPTS_HELP_DATA_CACHE_ENABLED
RTEMS_BSPOPTS_SET_INSTRUCTION_CACHE_ENABLED([*],[1])
RTEMS_BSPOPTS_HELP_INSTRUCTION_CACHE_ENABLED
RTEMS_CHECK_NETWORKING
AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
RTEMS_BSP_CLEANUP_OPTIONS(0, 0)
RTEMS_PPC_EXCEPTIONS
RTEMS_BSP_LINKCMDS
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

149
c/src/lib/libbsp/powerpc/t32mppc/console/console-config.c Normal file
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@@ -0,0 +1,149 @@
/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
/*
* Console driver for Lauterbach Trace32 Simulator. The implementation is
* based on the example in "demo/powerpc/etc/terminal/terminal_mpc85xx.cmm" in
* the Trace32 system directory.
*/
#include <rtems/bspIo.h>
#include <rtems/libio.h>
#include <rtems/termiostypes.h>
#include <libchip/serial.h>
#include <libchip/sersupp.h>
#define CONSOLE_COUNT 1
volatile unsigned char messagebufferin [256];
volatile unsigned char messagebufferout [256];
static void initialize(int minor)
{
/* Nothing to do */
}
static int first_open(int major, int minor, void *arg)
{
rtems_libio_open_close_args_t *oc = (rtems_libio_open_close_args_t *) arg;
struct rtems_termios_tty *tty = (struct rtems_termios_tty *) oc->iop->data1;
console_data *cd = &Console_Port_Data [minor];
cd->termios_data = tty;
rtems_termios_set_initial_baud(tty, 115200);
return 0;
}
static int last_close(int major, int minor, void *arg)
{
return 0;
}
static int read_polled(int minor)
{
static int bufsize;
static int bufindex;
int c;
if (bufsize == 0) {
int new_bufsize = messagebufferin [0];
if (new_bufsize != 0) {
bufsize = new_bufsize;
bufindex = 0;
} else {
return -1;
}
}
c = messagebufferin [4 + bufindex];
++bufindex;
if (bufindex >= bufsize) {
messagebufferin [0] = 0;
bufsize = 0;
}
return c;
}
static void write_polled(int minor, char c)
{
while (messagebufferout[0] != 0) {
/* Wait for ready */
}
messagebufferout [4] = (unsigned char) c;
messagebufferout [0] = 1;
}
static ssize_t write_support_polled(
int minor,
const char *s,
size_t n
)
{
ssize_t i = 0;
for (i = 0; i < n; ++i) {
write_polled(minor, s [i]);
}
return n;
}
static int set_attribues(int minor, const struct termios *term)
{
return -1;
}
static console_fns t32mppc_console_fns = {
.deviceProbe = libchip_serial_default_probe,
.deviceFirstOpen = first_open,
.deviceLastClose = last_close,
.deviceRead = read_polled,
.deviceWrite = write_support_polled,
.deviceInitialize = initialize,
.deviceWritePolled = write_polled,
.deviceSetAttributes = set_attribues,
.deviceOutputUsesInterrupts = false
};
unsigned long Console_Configuration_Count = CONSOLE_COUNT;
console_tbl Console_Configuration_Ports [CONSOLE_COUNT] = {
{
.sDeviceName = "/dev/ttyS0",
.deviceType = SERIAL_CUSTOM,
.pDeviceFns = &t32mppc_console_fns
}
};
static void output_char(char c)
{
const console_fns *con = Console_Port_Tbl [Console_Port_Minor]->pDeviceFns;
if (c == '\n') {
con->deviceWritePolled((int) Console_Port_Minor, '\r');
}
con->deviceWritePolled((int) Console_Port_Minor, c);
}
BSP_output_char_function_type BSP_output_char = output_char;
BSP_polling_getchar_function_type BSP_poll_char = NULL;

36
c/src/lib/libbsp/powerpc/t32mppc/include/bsp.h Normal file
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@@ -0,0 +1,36 @@
/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBBSP_POWERPC_T32MPPC_BSP_H
#define LIBBSP_POWERPC_T32MPPC_BSP_H
#include <bspopts.h>
#ifndef ASM
#include <rtems.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define BSP_FEATURE_IRQ_EXTENSION
#endif /* ASM */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_POWERPC_T32MPPC_BSP_H */

33
c/src/lib/libbsp/powerpc/t32mppc/include/irq.h Normal file
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@@ -0,0 +1,33 @@
/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBBSP_POWERPC_T32MPPC_IRQ_H
#define LIBBSP_POWERPC_T32MPPC_IRQ_H
#include <rtems.h>
#include <rtems/irq.h>
#include <rtems/irq-extension.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define BSP_INTERRUPT_VECTOR_MIN 0
#define BSP_INTERRUPT_VECTOR_MAX 0
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_POWERPC_T32MPPC_IRQ_H */

19
c/src/lib/libbsp/powerpc/t32mppc/init.cmm Normal file
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@@ -0,0 +1,19 @@
; Set CPU
system.cpu mpc8540
system.up
; Set PVR
per.s spr:0x11f %long %be 0x80200000
; Load application
Data.LOAD.Elf /home/sh/build/t32mppc/powerpc-rtems4.11/c/t32mppc/testsuites/samples/ticker/ticker.exe
; Configure memory-based terminal
term.reset
term.method buffere v.address("messagebufferout") v.address("messagebufferin")
term.gate
; Initialize RTOS support
task.config ~~/demo/powerpc/kernel/rtems/rtems.t32
menu.reprogram ~~/demo/powerpc/kernel/rtems/rtems.men
task.stack.pattern 0xa5

30
c/src/lib/libbsp/powerpc/t32mppc/irq/irq.c Normal file
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@@ -0,0 +1,30 @@
/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <bsp/irq-generic.h>
rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
{
return RTEMS_INVALID_ID;
}
rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
{
return RTEMS_INVALID_ID;
}
rtems_status_code bsp_interrupt_facility_initialize(void)
{
return RTEMS_SUCCESSFUL;
}

8
c/src/lib/libbsp/powerpc/t32mppc/make/custom/t32mppc.cfg Normal file
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@@ -0,0 +1,8 @@
include $(RTEMS_ROOT)/make/custom/default.cfg
RTEMS_CPU = powerpc
CPU_CFLAGS = -mcpu=8540 -meabi -msdata -fno-common -msoft-float \
-D__ppc_generic
CFLAGS_OPTIMIZE_V = -O2 -g

111
c/src/lib/libbsp/powerpc/t32mppc/preinstall.am Normal file
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@@ -0,0 +1,111 @@
## 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-local: $(TMPINSTALL_FILES)
TMPINSTALL_FILES =
CLEANFILES = $(TMPINSTALL_FILES)
all-am: $(PREINSTALL_FILES)
PREINSTALL_FILES =
CLEANFILES += $(PREINSTALL_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_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: ../../shared/include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.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)/tod.h: ../../shared/tod.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tod.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/tod.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)/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/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/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/start.h: ../shared/include/start.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/start.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/start.h
$(PROJECT_INCLUDE)/bsp/tictac.h: ../shared/include/tictac.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/tictac.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/tictac.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
$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
$(PROJECT_LIB)/rtems_crti.$(OBJEXT): rtems_crti.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/rtems_crti.$(OBJEXT)
TMPINSTALL_FILES += $(PROJECT_LIB)/rtems_crti.$(OBJEXT)
$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
$(PROJECT_LIB)/linkcmds.base: ../shared/startup/linkcmds.base $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.base
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.base
$(PROJECT_LIB)/linkcmds.t32mppc: startup/linkcmds.t32mppc $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.t32mppc
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.t32mppc

176
c/src/lib/libbsp/powerpc/t32mppc/start/start.S Normal file
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@@ -0,0 +1,176 @@
/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <bspopts.h>
#include <libcpu/powerpc-utility.h>
#include <bsp/vectors.h>
.globl _start
.globl bsp_exc_vector_base
.section ".bsp_start_text", "ax"
_start:
/* Enable time base */
li r0, 0x4000
mtspr HID0, r0
/* Initialize start stack */
LWI r1, start_stack_end
subi r1, r1, 16
li r0, 0
stw r0, 0(r1)
/* Copy fast text */
LWI r3, bsp_section_fast_text_begin
LWI r4, bsp_section_fast_text_load_begin
LWI r5, bsp_section_fast_text_size
bl copy
/* Copy read-only data */
LWI r3, bsp_section_rodata_begin
LWI r4, bsp_section_rodata_load_begin
LWI r5, bsp_section_rodata_size
bl copy
/* Copy fast data */
LWI r3, bsp_section_fast_data_begin
LWI r4, bsp_section_fast_data_load_begin
LWI r5, bsp_section_fast_data_size
bl copy
/* Copy data */
LWI r3, bsp_section_data_begin
LWI r4, bsp_section_data_load_begin
LWI r5, bsp_section_data_size
bl copy
/* Clear SBSS */
LWI r3, bsp_section_sbss_begin
LWI r4, bsp_section_sbss_size
bl bsp_start_zero
/* Clear BSS */
LWI r3, bsp_section_bss_begin
LWI r4, bsp_section_bss_size
bl bsp_start_zero
/* Set up EABI and SYSV environment */
bl __eabi
/* Clear command line */
li r3, 0
bl boot_card
twiddle:
b twiddle
copy:
cmpw r3, r4
beqlr
b memcpy
/* Exception vector prologues area */
.section ".bsp_start_text", "ax"
.align 4
bsp_exc_vector_base:
stw r1, ppc_exc_lock_crit@sdarel(r13)
stw r4, ppc_exc_vector_register_crit@sdarel(r13)
li r4, -32767
b ppc_exc_wrap_bookE_crit
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 2
b ppc_exc_wrap_nopush_e500_mchk
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 3
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 4
b ppc_exc_wrap_nopush_std
stwu r1, -PPC_EXC_MINIMAL_FRAME_SIZE(r1)
stw r4, PPC_EXC_VECTOR_PROLOGUE_OFFSET(r1)
li r4, -32763
b ppc_exc_wrap_async_normal
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 6
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 7
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 8
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 12
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 24
b ppc_exc_wrap_nopush_std
stwu r1, -PPC_EXC_MINIMAL_FRAME_SIZE(r1)
stw r4, PPC_EXC_VECTOR_PROLOGUE_OFFSET(r1)
li r4, -32752
b ppc_exc_wrap_async_normal
stwu r1, -PPC_EXC_MINIMAL_FRAME_SIZE(r1)
stw r4, PPC_EXC_VECTOR_PROLOGUE_OFFSET(r1)
li r4, -32749
b ppc_exc_wrap_async_normal
stw r1, ppc_exc_lock_crit@sdarel(r13)
stw r4, ppc_exc_vector_register_crit@sdarel(r13)
li r4, -32748
b ppc_exc_wrap_bookE_crit
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 18
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 17
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 13
b ppc_exc_wrap_nopush_bookE_crit
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 10
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 25
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 26
b ppc_exc_wrap_nopush_std
stwu r1, -EXC_GENERIC_SIZE(r1)
stw r4, GPR4_OFFSET(r1)
li r4, 15
b ppc_exc_wrap_nopush_std
/* Start stack area */
.section ".bsp_rwextra", "aw", @nobits
.align 4
.space 4096
start_stack_end:

24
c/src/lib/libbsp/powerpc/t32mppc/startup/bspreset.c Normal file
View File

@@ -0,0 +1,24 @@
/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <stdbool.h>
#include <bsp/bootcard.h>
void bsp_reset(void)
{
while (true) {
/* Do nothing */
}
}

84
c/src/lib/libbsp/powerpc/t32mppc/startup/bspstart.c Normal file
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@@ -0,0 +1,84 @@
/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <rtems/config.h>
#include <bsp.h>
#include <bsp/vectors.h>
#include <bsp/bootcard.h>
#include <bsp/irq-generic.h>
#include <bsp/linker-symbols.h>
LINKER_SYMBOL(bsp_exc_vector_base);
/*
* Configuration parameter for clock driver. The Trace32 PowerPC simulator has
* an odd decrementer frequency. The time base frequency is one tick per
* instruction. The decrementer frequency is one tick per ten instructions.
* The clock driver assumes that the time base and decrementer frequencies are
* equal. For now we simulate processor that issues 10000000 instructions per
* second.
*/
uint32_t bsp_time_base_frequency = 10000000 / 10;
void BSP_panic(char *s)
{
rtems_interrupt_level level;
rtems_interrupt_disable(level);
printk("%s PANIC %s\n", rtems_get_version_string(), s);
while (1) {
/* Do nothing */
}
}
void _BSP_Fatal_error(unsigned n)
{
rtems_interrupt_level level;
rtems_interrupt_disable(level);
printk("%s PANIC ERROR %u\n", rtems_get_version_string(), n);
while (1) {
/* Do nothing */
}
}
void bsp_start(void)
{
rtems_status_code sc;
get_ppc_cpu_type();
get_ppc_cpu_revision();
/* Initialize exception handler */
ppc_exc_vector_base = (uint32_t) bsp_exc_vector_base;
sc = ppc_exc_initialize(
PPC_INTERRUPT_DISABLE_MASK_DEFAULT,
(uintptr_t) bsp_section_work_begin,
Configuration.interrupt_stack_size
);
if (sc != RTEMS_SUCCESSFUL) {
BSP_panic("cannot initialize exceptions");
}
/* Initalize interrupt support */
sc = bsp_interrupt_initialize();
if (sc != RTEMS_SUCCESSFUL) {
BSP_panic("cannot initialize interrupts\n");
}
}

23
c/src/lib/libbsp/powerpc/t32mppc/startup/linkcmds.t32mppc Normal file
View File

@@ -0,0 +1,23 @@
MEMORY {
RAM : ORIGIN = 0x0, LENGTH = 128M
NIRVANA : ORIGIN = 0x0, LENGTH = 0
}
REGION_ALIAS ("REGION_START", RAM);
REGION_ALIAS ("REGION_FAST_TEXT", RAM);
REGION_ALIAS ("REGION_FAST_TEXT_LOAD", 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_FAST_DATA", RAM);
REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
REGION_ALIAS ("REGION_DATA", RAM);
REGION_ALIAS ("REGION_DATA_LOAD", RAM);
REGION_ALIAS ("REGION_BSS", RAM);
REGION_ALIAS ("REGION_RWEXTRA", RAM);
REGION_ALIAS ("REGION_WORK", RAM);
REGION_ALIAS ("REGION_STACK", RAM);
REGION_ALIAS ("REGION_NOCACHE", RAM);
INCLUDE linkcmds.base

3
c/src/lib/libcpu/powerpc/configure.ac
View File

@@ -20,7 +20,8 @@ RTEMS_CANONICALIZE_TOOLS
RTEMS_PROG_CCAS
AM_CONDITIONAL(shared, \
test "$RTEMS_CPU_MODEL" = "mpc750" \
test "$RTEMS_CPU_MODEL" = "" \
|| test "$RTEMS_CPU_MODEL" = "mpc750" \
|| test "$RTEMS_CPU_MODEL" = "mpc7400" \
|| test "$RTEMS_CPU_MODEL" = "mpc7455" \
|| test "$RTEMS_CPU_MODEL" = "mpc7457" \