Comments (7)
I want the entry function to be called start
, because almost all programs/kernels (at least those I've looked at) call their entry function start
, so if anyone would objdump/nm/whatever on the loader executable they would easily find the entrypoint from the symbol list.
and for some reason I chose to jump to boot32BSP
instead of just having start
be called both start
and boot32BSP
.
and lastly the no-op is just a breakpoint for bochs, so it always pauses as soon as the loading gains control from grub.
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It can contain the same code, but I like the symmetry of boot32BSP
and boot32AP
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BSP = BootStrap Processor, the processor that your code runs on by default, the one that grub gives you.
AP = Additional Processor, the processors that I boot in the smp.d file.
The BSP will be in protected mode when I get it from grub, but the APs will be in 16bit.
So init16.S is only used by the APs.
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extra process / extra cores, it is all the same (ish).
http://wiki.osdev.org/Multiprocessing
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Related Issues (20)
- Stat syscall HOT 1
- Internationalization/Multi-byte API support HOT 1
- root
- xpolsed HOT 1
- Making a cross-compiler for a custom kernel HOT 1
- SUGGEST: CMake as build system HOT 1
- ACPI issues after SMP update HOT 15
- Inline ASM? HOT 3
- [BUG+FIX] ToolchainManager.d has an environmental assumption HOT 1
- toolchainManager.d - Clone and compile powernex-dmd, binutils, gdb
- toolchainManager.d fails at binutils:47% HOT 3
- [q] how to start as a contributor HOT 2
- [Jenkins] Fix setGitHubPullRequestStatus for PR
- New runtime for loader and kernel HOT 1
- Update kernel code
- Fix the error messages inside of PowerD HOT 1
- Create memory map documentation
- How can I join the development team or carry on this project?
- powernexos.org/ security HOT 6
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