add new bsp tms320c6678
原始提交PR:https://gitee.com/rtthread/rt-thread/pulls/372 提交者:https://gitee.com/wei-handong ---------------------- 在TI公司C6000 DSP处理器上成功移植rt-thread操作系统;主要在libcpu/ti-dsp/c6x添加keystone架构底层代码,在bsp/ti-c6678添加bsp工程,该工程已在本人的开发板上成功运行 * 添加TMS320C6678处理器,keystone架构底层代码 * 添加支持中断栈部分代码,修改格式 * 修改汇编rt_hw_context_switch_to处关于时间槽的使用;修改格式 * 修改使用C语言构建任务栈帧,清除fls和ffs对<c6x.h>文件的依赖 * 修改bsp tms320c6678工程,并测试 * 删除依赖TI的KeyStone_common.c文件 * 添加编译说明 * update bsp/ti-tms320c6678/README.md. * format code Co-authored-by: NHuang bo <hb265419@126.com> Co-authored-by: hdwei <1147479335@qq.com> Co-authored-by: Nbernard <bernard.xiong@gmail.com> Co-authored-by: Nrtthread-bot <48120998+rtthread-bot@users.noreply.github.com> Co-authored-by: Meco Man <920369182@qq.com>
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bsp/tms320c6678/.ccsproject
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bsp/tms320c6678/.cproject
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bsp/tms320c6678/.project
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bsp/tms320c6678/KeyStone.cmd
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bsp/tms320c6678/common/common.c
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bsp/tms320c6678/common/common.h
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bsp/tms320c6678/rtconfig.h
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libcpu/ti-dsp/c6x/SConscript
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libcpu/ti-dsp/c6x/c66xx.h
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libcpu/ti-dsp/c6x/context.asm
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libcpu/ti-dsp/c6x/contextinc.asm
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libcpu/ti-dsp/c6x/cpuport.c
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libcpu/ti-dsp/c6x/interrupt.c
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libcpu/ti-dsp/c6x/interrupt.h
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libcpu/ti-dsp/c6x/intexc.asm
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libcpu/ti-dsp/c6x/stack.c
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libcpu/ti-dsp/c6x/trap.c
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libcpu/ti-dsp/c6x/trap.h
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libcpu/ti-dsp/c6x/vector.asm
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