722f185525
Add timer debug patch for OpenSBI
2024-07-12 13:25:03 +02:00
83df8edd28
Switch to fpga/openpiton in OpenSBI
2024-07-12 12:44:21 +02:00
dc8a8c2ce9
Build OpenSBI with the generic platform
2024-07-12 12:20:03 +02:00
8c2b28cf21
Enable systemd debug log and all-in-order
2024-07-12 10:50:28 +02:00
c23d33a51c
Update to OpenSBI 1.5
2024-07-12 09:34:45 +02:00
9f6f8bcddc
Don't use DTB in U-Boot, read it from OpenSBI
2024-07-11 16:05:05 +02:00
1a15ddc0e7
Restore support for huge pages
2024-07-11 15:37:41 +02:00
b7dba89d63
Reduce RAM to 768 MiB to avoid a memory problem
2024-07-10 18:04:11 +02:00
28efecdbc7
Enable U-Boot mtest command
2024-07-10 17:32:58 +02:00
31f8557799
Open interactive shell on start
2024-07-10 14:20:39 +02:00
b7d02f867a
Disable support for huge pages
2024-07-10 14:19:49 +02:00
4c2e21033b
Try tracing handle_page_fault
2024-07-10 13:02:43 +02:00
9ee8fb06dc
Try again the fill test but with all-in-order
2024-07-10 12:21:24 +02:00
93936cbe14
Trace function graph after a page fault
2024-07-10 11:34:40 +02:00
91080535f8
Add fill mode in memtool
2024-07-10 11:05:20 +02:00
813e7cae2f
Increase memtool max block size to 512 K
2024-07-09 20:58:55 +02:00
9ed8f812c8
Make our own init script
...
The problem with the Stage 1 script is that is spawning another tee
process to forward the output to the console, but this is not required.
So let's only keep the memtool running by creating our own init script.
2024-07-09 20:54:55 +02:00
c6726cce28
Reduce blocksize in memtool to 64K
...
Let's see if we can hang a bit later on.
2024-07-09 17:58:12 +02:00
4707a8b143
Simplify boot parameters and document options
2024-07-09 17:27:07 +02:00
b8f1ca672f
Run the memtool as first program
2024-07-09 17:25:48 +02:00
d488c0b3b7
Always run memtool at the start
2024-07-09 17:06:50 +02:00
f617efdcac
Add memtool program to test the memory
2024-07-09 15:16:05 +02:00
82630f3eef
Enable CONFIG_BUG again
...
It doesn't seem to make any difference, and it would be good in case it
catches a bug.
2024-07-09 12:35:53 +02:00
5b34b3b97b
Add csrtool to view and change CSR registers
2024-07-08 19:19:05 +02:00
bef5a6eac5
Disable CONFIG_BUG
...
It may be causing a loop on WARN_ON_ONCE() and page fults trying to
write to the console.
2024-07-08 18:27:29 +02:00
5f90528b51
Add bootrom support
2024-07-08 18:11:11 +02:00
66ec07a0cb
Switch to two uarts bitstream
2024-07-08 13:48:20 +02:00
1f0ac64631
Add bitstream to Nix
2024-07-08 13:46:37 +02:00
6721e1e22c
Revert "Try to use openpiton based OpenSBI config"
...
This reverts commit 931244a355
2024-07-08 10:03:48 +02:00
931244a355
Try to use openpiton based OpenSBI config
...
The seem to be doing PLIC initialization based on the device tree, which
may be relevant as that is where we are defining the interruptions.
2024-07-08 09:49:34 +02:00
87b4c91813
Dump stack trace on hvc_remove
2024-07-08 08:55:50 +02:00
b903eae7e5
Disable ftrace for now as it hangs the boot
2024-07-05 16:24:51 +02:00
7e6fdff142
Disable proactive compation
...
I see a lot of kcompactd0 entries in sched_switch log, so disable it for
now.
2024-07-05 15:57:18 +02:00
32f4d117db
Only enable sched_switch events
...
As sched_stat_runtime is flooding the console.
2024-07-05 15:37:50 +02:00
bc05dc2676
Mount debugfs first
2024-07-05 15:36:42 +02:00
934b67ac0b
Trace sched events from stage1
...
Events from the kthread that dumps the buffer to the console are
filtered, otherwise we make an infinite loop.
2024-07-05 15:36:42 +02:00
f509a0a517
Enable ftrace at boot
...
For now we only show init calls.
2024-07-05 15:36:37 +02:00
504c4aca3c
Make the counter silent by spawning another shell
2024-07-05 12:57:10 +02:00
48688594bf
Add a heartbeat counter to check the kernel
2024-07-05 12:45:32 +02:00
d541462b4c
Stop in the stage 1 debug shell
2024-07-04 17:28:15 +02:00
9b37e2aed0
Use the hvc0 console for the kernel
2024-07-04 17:27:43 +02:00
471207c64a
Allow access to all memory from userspace
...
> If this option is disabled, you allow userspace (root) access to all
> of memory, including kernel and userspace memory
Currently is failing:
~ # cat /proc/iomem
40001000-400010ff : serial
60000000-7fffffff : Reserved
80000000-ffefffff : System RAM
80201000-81fa0b87 : Kernel image
80201000-80cb177f : Kernel code
81400000-819fffff : Kernel rodata
81c00000-81f18747 : Kernel data
81f19000-81fa0b87 : Kernel bss
100000000-1bfffffff : namespace0.0
~ # devmem 0x40001000
devmem: mmap: Operation not permitted
2024-07-04 12:45:41 +02:00
4826396962
Try enabling polling in the serial console
2024-07-04 11:39:35 +02:00
b1755354d0
Add support for ftrace at boot time
2024-07-03 19:36:38 +02:00
427859818c
Disable SMP
...
The IPI extension is being used to multiplex IPI interruptions and we
don't need it as we only have one CPU.
2024-07-03 19:31:30 +02:00
30703d1715
Use the ttyS0 device for the console
...
For now it seems to be outputting the log properly, but it doesn't read
anything in the initrd input console.
2024-07-03 16:09:38 +02:00
d7669671f6
Enable 8250 console driver
2024-07-03 14:09:52 +02:00
7c25f76f8b
Bake the git commit inside the uboot env file
2024-07-03 14:09:48 +02:00
2442bdf3f5
Disable lock torture test
2024-07-03 13:44:02 +02:00
93e83f52e8
Add busybox patch to see debug lines: initrd sh ok
...
The switch_root command seems to hang in the execv() syscall.
2024-07-03 13:43:41 +02:00
