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WIP: Bring SMP support #11

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harraiken wants to merge 8 commits from harraiken/exectos:master into master
pull from: harraiken/exectos:master
merge into: xt-sys:master
Conversation 2 Commits 8 Files Changed 12 +267 -6
harraiken commented 2024-08-01 17:49:33 +02:00
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Purpose

Bring SMP support to ExectOS.

Proposed changes

ATM temporary trampoline code is used to disable interrupts and halt started CPU. Code was tested only under qemu and starts all cores in real mode.

Also, I made some changes to the Bochs configuration. Firstle, I increased the amount of RAM available to the guest, because XTLDR was unable to allocate memory for the kernel. Secondly, I changed the COM1 port mode to save the serial console output to a file. Thirdly, I enabled SMP support.

TODO

  • Start CPUs
  • AP bootstrap code
  • Assign CPU stack

Agreements

  • I have read the Contributors License Agreement and I consent to those terms.
## Purpose Bring SMP support to ExectOS. ## Proposed changes ATM temporary trampoline code is used to disable interrupts and halt started CPU. Code was tested only under qemu and starts all cores in real mode. Also, I made some changes to the Bochs configuration. Firstle, I increased the amount of RAM available to the guest, because XTLDR was unable to allocate memory for the kernel. Secondly, I changed the COM1 port mode to save the serial console output to a file. Thirdly, I enabled SMP support. ## TODO - [x] Start CPUs - [ ] AP bootstrap code - [ ] Assign CPU stack ## Agreements - [x] I have read the Contributors License Agreement and I consent to those terms.
harraiken added 4 commits 2024-08-01 17:49:33 +02:00
Temporary fake trampoline ca87eab663
Start application processor 188e4e7a3d
2 attempts only 6fea2fa1e5
Start application processors 8d3b4ff95a
harraiken requested review from belliash 2024-08-01 17:50:43 +02:00
belliash commented 2024-08-02 12:52:27 +02:00
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I will review this PR once it is ready to be merged (not marked as WIP).

I will review this PR once it is ready to be merged (not marked as WIP).
harraiken added 1 commit 2024-08-13 16:13:17 +02:00
ap bootstrap code in dedicated file 5cff5b4c0c
harraiken added 1 commit 2024-08-13 19:21:15 +02:00
increase ram, fix debug port bcb99b2f5e
harraiken added 1 commit 2024-08-13 19:37:55 +02:00
enable smp d7a1b01b63
harraiken added 1 commit 2024-08-14 13:03:17 +02:00
update AP bootstrap code 5670398077
harraiken commented 2025-03-19 15:05:56 +01:00
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This PR will be finished directly in ExectOS repository.

This PR will be finished directly in ExectOS repository.
harraiken closed this pull request 2025-03-19 15:05:57 +01:00

Pull request closed

Please reopen this pull request to perform a merge.
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Reference: xt-sys/exectos#11
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