rt-thread.git/libcpu/arm/am335x, branch v3.1.4 Unnamed repository; edit this file 'description' to name the repository. http://cgit.235523.xyz/rt-thread.git/atom/libcpu/arm/am335x?h=v3.1.4 2019-12-17T12:11:46Z Sync from master (75a3f3dd3a930eab1dc58fa0258a9d1605a0ac11) 2019-12-17T12:11:46Z armink armink.ztl@gmail.com 2019-12-17T12:11:46Z urn:sha1:4875ee8a3ab95c4fbf1e09941d3f44d99a9a632b [libcpu] Sync to latest version. 2018-12-28T11:22:33Z armink armink.ztl@gmail.com 2018-12-28T11:22:33Z urn:sha1:1bc7b8e61b6967b9443cbe85433af82fd340692e [license] Change the license of libarm to Apache. 2018-10-14T17:35:07Z Bernard Xiong bernard.xiong@gmail.com 2018-10-14T17:35:07Z urn:sha1:7c425408b4335d7af2fefcfa51174735b98037ed 修正am335x中mmu问题 2018-09-15T03:37:14Z liruncong liruncong2018@qq.com 2018-09-15T03:37:14Z urn:sha1:af1044955ac67fc22a7813e492559ab1fe297028 1) mmu_disable_dcache/mmu_enable_dcache等, 应使用rt_cpu_xxx相关函数,否则会跑飞. armcc并没有提供rt_cpu_xxx对应汇编代码,先删除 2) mmu_setmtt抽取为函数mmu_setmtts,并增加RT_WEAK.mmu_setmtts此处作为示例函数.实际用户板子可在bsp中重新实现该函数.可在rt_components_board_init函数前调用rt_hw_mmu_init [libcpu]: add 8-byte alignment for arm architecture && optimize code format 2017-12-21T08:37:38Z SummerGift zy_770077@qq.com 2017-12-21T08:32:35Z urn:sha1:fc7a5abc7635a1b37bd9202072f279e9930e5eb5 [libcpu] add volatile for __asm. 2017-11-22T01:54:36Z SummerGift zy_770077@qq.com 2017-11-21T09:18:33Z urn:sha1:eb72d191791c72080bc82e1e274c452265e03c5b [libcpu] add volatile for asm (" mcr ") or asm (" mrc ") instruct. 2017-11-22T01:54:27Z SummerGift zy_770077@qq.com 2017-11-21T09:08:49Z urn:sha1:2488624a184fced9df5b2c03c55e1f6db683512e Add libcpu/arm/am335x/context_iar.S file 2017-02-06T13:57:15Z zchong-cht zchongnari@126.com 2017-02-06T13:57:15Z urn:sha1:a74a2a25a852a795cf353dd8719eec25d4a63c5f Add iar compiler support for am335x. 2015-11-11T15:44:05Z zchong_cht zchongnari@126.com 2015-11-11T15:44:05Z urn:sha1:3983f39f34e8fb8c1908aef86168268438c0aed0 [libcpu][am335x] Fix the booting failure when enabling MMU 2015-05-11T02:36:11Z Adrian Huang adrianhuang0701@gmail.com 2015-05-11T01:57:12Z urn:sha1:42226779338716fbef7ab4eab6386fe3462912ae Since the 16 domains are configured as the client domains in mmu_setttbase(), a Permission fault is generated if the XN bit (Execute-never) is set in the short-descriptor translation table (for section and supersection). This leads to the booting failure when enabling MMU for beagleboard bsp. Here is log: ---------------------------------------------------------------- SD/MMC found on device 0 reading uEnv.txt 117 bytes read in 3 ms (38.1 KiB/s) Loaded environment from uEnv.txt Importing environment from mmc ... Running uenvcmd ... reading rtthread.bin 162624 bytes read in 24 ms (6.5 MiB/s) \## Starting application at 0x80200000 ... ---------------------------------------------------------------- This commit removes the XN bit configuration in the section of the short-descriptor translation table. The OS can be booted successfully with applying this commit.