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<title>rt-thread.git/libcpu/risc-v/common/interrupt_gcc.S, branch copilot/create-device-driver-model-docs</title>
<subtitle>Unnamed repository; edit this file 'description' to name the repository.</subtitle>
<id>http://cgit.235523.xyz/rt-thread.git/atom/libcpu/risc-v/common/interrupt_gcc.S?h=copilot%2Fcreate-device-driver-model-docs</id>
<link rel='self' href='http://cgit.235523.xyz/rt-thread.git/atom/libcpu/risc-v/common/interrupt_gcc.S?h=copilot%2Fcreate-device-driver-model-docs'/>
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<updated>2025-05-30T01:32:08Z</updated>
<entry>
<title>[libcpu/common] 修正对RV32E的支持，RV32E不支持s2寄存器，修改为s1寄存器</title>
<updated>2025-05-30T01:32:08Z</updated>
<author>
<name>Yaochenger</name>
<email>1516081466@qq.com</email>
</author>
<published>2025-05-29T03:30:04Z</published>
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<id>urn:sha1:5889db68191a563bc0d8d2439a0e38e6bf9b4ecc</id>
<content type='text'>
</content>
</entry>
<entry>
<title>Fix compiling eror in hpmicro bsp (#8889)</title>
<updated>2024-04-30T12:11:47Z</updated>
<author>
<name>Fan Yang</name>
<email>93824713+helloeagleyang@users.noreply.github.com</email>
</author>
<published>2024-04-30T12:11:47Z</published>
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<id>urn:sha1:c21ba6985d5a9d6f6926799ada4faa92c20cb8a0</id>
<content type='text'>
- added 'DEVICE' to rtconfig.py
- fixed compiling error cuased by change in interrupt_gcc.S

Signed-off-by: Fan YANG &lt;fan.yang@hpmicro.com&gt;</content>
</entry>
<entry>
<title>add libcpu/risc-v/rv64 (#8511)</title>
<updated>2024-01-28T05:39:39Z</updated>
<author>
<name>flyingcys</name>
<email>flyingcys@163.com</email>
</author>
<published>2024-01-28T05:39:39Z</published>
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<id>urn:sha1:3f41bd95d10bf02de049290434af587c5586fde5</id>
<content type='text'>
</content>
</entry>
<entry>
<title>[libcpu][risc-v][common] Avoid using t0 before being saved</title>
<updated>2023-08-09T05:07:11Z</updated>
<author>
<name>Fan YANG</name>
<email>fan.yang@hpmicro.com</email>
</author>
<published>2023-08-09T02:51:32Z</published>
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<id>urn:sha1:5ac509b6d031b29e2d95c52fc179771e62664378</id>
<content type='text'>
- Fixed the issue that t0 was modified unexpectedly before being saved

Signed-off-by: Fan YANG &lt;fan.yang@hpmicro.com&gt;
</content>
</entry>
<entry>
<title>[bsp] add bl808 lp core (#7069)</title>
<updated>2023-03-19T15:16:12Z</updated>
<author>
<name>flyingcys</name>
<email>flyingcys@163.com</email>
</author>
<published>2023-03-19T15:16:12Z</published>
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<id>urn:sha1:a538b268588ae668ff897c3719b6a7eef9ac8c0a</id>
<content type='text'>
* Add riscv_32e support

* add bl808 lp core

* update README.md</content>
</entry>
<entry>
<title>[libcpu][riscv]整合libcpu/riscv中的移植文件 提供一份公共代码于common (#6941)</title>
<updated>2023-03-01T06:32:43Z</updated>
<author>
<name>Yaochenger</name>
<email>75192526+Yaochenger@users.noreply.github.com</email>
</author>
<published>2023-03-01T06:32:43Z</published>
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<id>urn:sha1:b9e4fcfc6878aa05cca277ea3557299e59207965</id>
<content type='text'>
整合libcpu/riscv中的移植文件 提供一份公共代码于common

在提交本pr时，除hpmicro的内核，rv32内核bsp已完成去除大部分的冗余，大部分代码采用common中的实现。本pr的作用是进一步统一common中的文件，从而提供一份公用代码，新移植的RV32内核的BSP可以全部使用common代码。

- 在common中提供一份公用文件：interrupt_gcc.S
- 修改原有的文件，将原有的中断中上下文切换代码替换为interrupt_gcc.S
- 基于上述修改，修改仓库中risc-v内核的BSP与移植相关的部分 (主要包含中断入口函数 中断栈等)
- 在common中提供一份公用文件：trap_common.c；提供统一中断入口函数，中断入口函数初始化，中断入口注册等函数，并完善异常时的信息输出

- 在common中提供一份公用文件：rt_hw_stack_frame.h；将栈帧结构体剥离，供用户使用

- 在上述工作完成后，在上述工作的基础上测试仓库中risc-v内核的BSP

- 完善函数中的命名，完善中断栈的获取

- 提供一份详细的基于现有common文件的移植指南

  #### 在什么测试环境下测试通过 

- 1.CH32V307V-R1-R0
- 2.CH32V208W-R0-1V4
- 3.HPM6750EVKMINI
- 4.GD32VF103V-EVAL
- 5.qemu(CORE-V-MCU )

&gt; 与上述开发板使用同样芯片的BSP均测试通过

在CH32V307V-R1-R0与HPM6750EVKMINI上基于现有移植文件进行多线程复杂场景下的长时间测试，测试过程系统运行正常。</content>
</entry>
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