rt-thread/bsp/beaglebone/rtconfig.py
YangZhongQing 50cb4be8ce
bsp beaglebone: add IAR support (#6443)
* bsp beaglebone: add IAR template files and fix it's build error

ATTENTION:
project.* was generated by scons, so I add it to gitignore.
rtconfig.py *FLAGS located in "PLATFORM == 'iccarm'" are unverified and maybe wrong.
(我只是从STM32里面抄来,然后根据自己的理解改了一下,并没有验证这些参数的正确性,
我也不知道怎么用命令行调用这些参数来编译)

* bsp beaglebone: add beaglebone_ram.icf ROM address from uboot_cmd.txt

am335x_DDR.icf use 0x82000000, different to uboot_cmd.txt & gcc beaglebone_ram.lds,
the difference will easy cause later developer got below error:

=> go 0x80200000
## Starting application at 0x80200000 ...
undefined instruction
pc : [<8200956c>]	   lr : [<8ff62497>]
reloc pc : [<728a956c>]	   lr : [<80802497>]
sp : 8df37358  ip : 00000000	 fp : 00000002
r10: 8df4d448  r9 : 8df3feb8	 r8 : 8ffd30f8
r7 : 8ff78089  r6 : 00000002	 r5 : 80200000  r4 : 8df4d44c
r3 : 80200000  r2 : 8df4d44c	 r1 : 8df4d44c  r0 : 00000001
Flags: nzCv  IRQs off  FIQs on  Mode SVC_32
Code: 5dbffcdd bb9bdf7f abf85423 eff1f77f (7ed7daaf)
Resetting CPU ...

resetting ...

* libcpu am335x: context_iar.S rt_hw_context_switch: add thumb mode support

IAR new project defualt Processor mode is Thumb, this will cause user
easy occur the following error:
...
msh />Execption:
r00:0x8800aaa8 r01:0x802080c5 r02:0x00000000 r03:0x88009b4c
r04:0x00001000 r05:0x00000000 r06:0x00001403 r07:0x00100000
r08:0x00000000 r09:0x00000000 r10:0x0000000a
fp :0x0000000a ip :0x65687374
sp :0x00006c6c lr :0x0000008a pc :0x88008be0
cpsr:0x880001bc
software interrupt
shutdown...
(0) assertion failed at function:rt_hw_cpu_shutdown, line number:160

* bsp beaglebone: change IAR template.ewp code use Arm mode

Arm mode bin size will bigger than Thumb mode

* libcpu am335x: IAR: use rt_hw_cpu_dcache_enable instead of rt_cpu_dcache_enable

Reviewer mysterywolf say:
麻烦把rt_cpu_icache_enable 和 rt_cpu_dcache_enable, 统一改成 rt_hw_cpu_icache_enable 和 rt_hw_cpu_dcache_enable
rt_hw_cpu_icache_enable 和 rt_hw_cpu_dcache_enable 是其他bsp也是这么命名的 这是个命名统一的函数
2022-09-22 14:13:34 +08:00

106 lines
2.8 KiB
Python

import os
# toolchains options
ARCH='arm'
CPU='am335x'
CROSS_TOOL='gcc'
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = r'C:\Program Files (x86)\CodeSourcery\Sourcery_CodeBench_Lite_for_ARM_EABI\bin'
elif CROSS_TOOL == 'iar':
PLATFORM = 'iccarm'
EXEC_PATH = r'C:\Program Files\IAR Systems\Embedded Workbench 9.1'
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
BUILD = 'debug'
if PLATFORM == 'gcc':
# toolchains
PREFIX = 'arm-none-eabi-'
CC = PREFIX + 'gcc'
CXX = PREFIX + 'g++'
AS = PREFIX + 'gcc'
AR = PREFIX + 'ar'
LINK = PREFIX + 'gcc'
TARGET_EXT = 'elf'
SIZE = PREFIX + 'size'
OBJDUMP = PREFIX + 'objdump'
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' -Wall -march=armv7-a -mtune=cortex-a8'+\
' -ftree-vectorize -ffast-math -mfpu=vfpv3-d16 -mfloat-abi=softfp'
#DEVICE = ' '
CFLAGS = DEVICE
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-beaglebone.map,-cref,-u,Reset_Handler -T beaglebone_ram.lds'
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -O0 -gdwarf-2 -Wall'
AFLAGS += ' -gdwarf-2'
else:
CFLAGS += ' -O2 -Wall'
POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\
SIZE + ' $TARGET \n'
elif PLATFORM == 'iccarm':
# toolchains
CC = 'iccarm'
CXX = 'iccarm'
AS = 'iasmarm'
AR = 'iarchive'
LINK = 'ilinkarm'
TARGET_EXT = 'out'
DEVICE = '-Dewarm'
# ATTENTION from author vipox@qq.com: below *FLAGS are unverified and maybe wrong!
# I just copied it from STM32 and changed it according to my own understanding.
# However, even if it is wrong, it does not affect our generation of IAR project.
CFLAGS = DEVICE
CFLAGS += ' --diag_suppress Pa050'
CFLAGS += ' --no_cse'
CFLAGS += ' --no_unroll'
CFLAGS += ' --no_inline'
CFLAGS += ' --no_code_motion'
CFLAGS += ' --no_tbaa'
CFLAGS += ' --no_clustering'
CFLAGS += ' --no_scheduling'
CFLAGS += ' --endian=little'
CFLAGS += ' --cpu=Cortex-A8'
CFLAGS += ' -e'
CFLAGS += ' --fpu=VFPv3'
CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
CFLAGS += ' --silent'
AFLAGS = DEVICE
AFLAGS += ' -s+'
AFLAGS += ' -w+'
AFLAGS += ' -r'
AFLAGS += ' --cpu Cortex-A8'
AFLAGS += ' --fpu VFPv3'
AFLAGS += ' -S'
if BUILD == 'debug':
CFLAGS += ' --debug'
CFLAGS += ' -On'
else:
CFLAGS += ' -Oh'
LFLAGS = ' --config "beaglebone_ram.icf"'
LFLAGS += ' --entry __iar_program_start'
CXXFLAGS = CFLAGS
EXEC_PATH = EXEC_PATH + '/arm/bin/'
POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'