Commit Graph

5702 Commits

Author SHA1 Message Date
K. Lange
00075494e6 kernel: aarch64: initial pass at clearing upper page structures on unmap
This still has thread issues, but a lot of other things need to be
redesigned to correct them.

Particularly, we have a lot of callers that use `mmu_get_page` without
acquiring any locks on the page directory, so in a multithreaded process
one core may be trying to acquire pages while another is unmapping. In
the normal sbrk setup, this shouldn't happen, especially with the locks
in userspace around malloc, and it shouldn't happen with shm as we avoid
dealing with shm pages in the unmap right now, but from the raw API we
provide it's possible for a crafted program to run into it.

The whole memory management API really needs a redesign, much of what we
expose comes from toaru32, and still leaks details about page size into
other code that shouldn't care.
2022-03-16 08:19:36 +09:00
K. Lange
2262c0b2bc procfs: expose heap break point in /proc/{PID}/status 2022-03-16 08:17:50 +09:00
K. Lange
f3b8f64b4f meta: Upload RPi400 kernel8.img as an artifact 2022-03-13 16:31:38 +09:00
K. Lange
b297ab3fed kernel: improve comments in sys/ptrace.c 2022-03-13 16:07:53 +09:00
K. Lange
74e1d8c62c strace: sys_execve doesn't return on success; handle that common case better 2022-03-13 16:07:32 +09:00
K. Lange
9f7a84c0fc kernel: improve comments in sys/signal.c 2022-03-13 15:13:14 +09:00
K. Lange
58a1b6e999 pthread: Remove magic thread exit; pthread_exit() is just syscall_exit 2022-03-12 18:46:28 +09:00
K. Lange
4bcd1b4b89 aarch64: apply e1000 permission changes 2022-03-07 18:08:54 +09:00
K. Lange
ef4603185b sh: tab completion for ifconfig 2022-03-07 18:07:57 +09:00
K. Lange
ce7cb58913 ifconfig: cleanup, add commands to set addresses 2022-03-07 18:07:47 +09:00
K. Lange
b67800fa1f libc: ioctl sets errno 2022-03-07 18:06:37 +09:00
K. Lange
d0a4583988 e1000: restrict access to SIOCS* family, write() 2022-03-07 18:06:22 +09:00
K. Lange
2700849ca2 aarch64: clear instruction cache on new pages when forking 2022-03-07 09:20:19 +09:00
K. Lange
523a3a0159 kernel: packetfs: handle -ERESTARTSYS from underlying pipe 2022-03-06 16:22:48 +09:00
K. Lange
992d805f25 libc: use munmap sysfunc in free() for 'big bins' 2022-03-06 15:58:59 +09:00
K. Lange
4c2ec1f0a0 kernel: add a temporary 'munmap' sysfunc 2022-03-06 15:58:38 +09:00
K. Lange
49fd67bf2d kernel: relocate some user virtual addresses 2022-03-06 15:58:08 +09:00
K. Lange
f778967edb aarch64: disable lock debugging 2022-03-06 15:56:53 +09:00
K. Lange
404e236a59 meta: README typo missing word 2022-03-06 07:01:23 +09:00
K. Lange
e37207828a kernel: print more details when trying to alert invalid process 2022-03-04 22:09:31 +09:00
K. Lange
cd04af0a75 aarch64: remove some debug messages 2022-03-04 22:08:05 +09:00
K. Lange
d932559d79 kernel: ensure we're saving/restoring all process state on signals 2022-03-04 22:04:11 +09:00
K. Lange
6ff1bc5195 kernel: clear signal disposition when running a handler, as we should 2022-03-04 22:03:21 +09:00
K. Lange
e07291a0b1 kernel: More lock fixes around pipes... 2022-03-04 22:01:13 +09:00
K. Lange
63fbbec928 kernel: Don't let things clear frames without holding the frame alloc lock 2022-03-04 22:00:37 +09:00
K. Lange
3852646174 kernel: Restart some signals, fix up suspend to work with new signal management 2022-03-04 18:39:38 +09:00
K. Lange
bbebc7c128 kernel: complete redesign of signal handling 2022-03-04 16:12:16 +09:00
K. Lange
9f495ac854 compositor: rotate mouse cursor to match rotation of window under cursor 2022-03-03 19:39:37 +09:00
K. Lange
9a15b6df4f compositor: Implement semi-lazy window resizing 2022-03-03 19:39:19 +09:00
K. Lange
6e6b66997b graphics: fix bad translate in draw_sprite_rotate 2022-03-03 16:17:32 +09:00
K. Lange
2bce2aa40e mkdisk: FAT overhead is too high again... overestimate more 2022-02-25 21:36:21 +09:00
K. Lange
b3f6728339 date: add rudimentary support for setting date/time 2022-02-25 21:16:30 +09:00
K. Lange
89ba900988 libc: fix terribly broken mktime 2022-02-25 21:07:53 +09:00
K. Lange
7d2beb443b aarch64: expose dtb as a device file 2022-02-23 20:40:53 +09:00
K. Lange
b29edb0db3 rpi400: mini uart driver 2022-02-23 16:33:30 +09:00
K. Lange
94b86558d3 aarch64: cleanup, fix warnings 2022-02-23 10:27:47 +09:00
K. Lange
c96bae5e78 aarch64: temporary device drivers until modules are ready 2022-02-23 10:24:15 +09:00
K. Lange
5a6648a869 rpi400: try to clean up rpi stuff 2022-02-23 09:49:16 +09:00
K. Lange
814f5210ae aarch64: cleanup some warnings 2022-02-22 17:30:17 +09:00
K. Lange
158f61e226 kuroko: sync with upstream 2022-02-22 17:08:21 +09:00
K. Lange
6c69d235cf aarch64: implement a better spinlock 2022-02-22 09:53:55 +09:00
K. Lange
4946a0bf5a aarch64: reset timer on entry into idle wait 2022-02-22 09:53:30 +09:00
K. Lange
4cc4d9520e aarch64: force task switch when idle gets wakeup signal 2022-02-22 09:53:04 +09:00
K. Lange
5019c047c5 aarch64: expose aarch64_interrupt_dispatch as a symbol 2022-02-22 09:52:37 +09:00
K. Lange
c180959f4e aarch64: idle task loops should be the same for BP and APs 2022-02-22 09:51:56 +09:00
K. Lange
2543e2ce0c aarch64: this seems to be necessary or hvf can occasionally throw a fault on syscall return? 2022-02-20 18:12:29 +09:00
K. Lange
59c92182b4 aarch64: save/restore fpu status registers 2022-02-20 18:12:02 +09:00
K. Lange
255b2296fd aarch64: implement panic halting with sgis 2022-02-20 18:11:24 +09:00
K. Lange
975b388962 rpi400: smp startup 2022-02-18 18:44:23 +09:00
K. Lange
4c13c92180 rpi400: request maximum clock speed at startup 2022-02-16 19:43:25 +09:00