diff options
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 |