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Diffstat (limited to 'docs/boot.md')
| -rw-r--r-- | docs/boot.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/boot.md b/docs/boot.md new file mode 100644 index 0000000..2131d93 --- /dev/null +++ b/docs/boot.md @@ -0,0 +1,11 @@ +I need to figure out how to write MarkDown files, but the general procedure of a +boot is that we + +1) Assume we start of in real memory mode, i.e. no MMU active. + +2) arch/whatever/init/init.c kickstarts us into virtual memory with a direct +mapping, with offset VM_DMAP aliasing to physical address 0. + +3) The kernel proper is moved to its correct location in this direct mapping. + +4) The kernel proper is jumped to, after which the kernel does whatever. |