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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2021-12-29 18:47:16 +0200 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2021-12-29 18:49:28 +0200 |
| commit | 4e5595a089c815febd7a0d42ab62940bf13f73ac (patch) | |
| tree | 322f35d9315e9966de8a66052811858df0144085 /arch/riscv/mm.txt | |
| parent | a12e50e5a7dae52ed8bd5a24cc6576371e20985b (diff) | |
| download | kmi-4e5595a089c815febd7a0d42ab62940bf13f73ac.tar.gz kmi-4e5595a089c815febd7a0d42ab62940bf13f73ac.zip | |
Preparations for refactoring
Diffstat (limited to 'arch/riscv/mm.txt')
| -rw-r--r-- | arch/riscv/mm.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/riscv/mm.txt b/arch/riscv/mm.txt index 30ffc88..e5c52cb 100644 --- a/arch/riscv/mm.txt +++ b/arch/riscv/mm.txt @@ -18,6 +18,12 @@ Offset | Size | Purpose (first 256KiB page reserved for whatever, next 256KiB reserved for kernel vma, next 512KiB reserved for kernel pma?) +Sv39, final answer: + +First 255 pages are userspace (uvmem), page 255 is reserved for callstack. +Following 255 pages are reserved for kernel 'direct mapping', and the 512th page +is reserved for kernel IO. + Sv48: Offset | Size | Purpose |