lupyuen/nuttx-ox64
1
0
Fork 0
mirror of https://github.com/lupyuen/nuttx-ox64.git synced 2025-01-13 05:08:29 +08:00
Code Issues Projects Releases Packages Wiki Activity Actions

Log MMU PTE

Browse source
This commit is contained in:
Lee Lup Yuen 2023-11-14 13:32:48 +08:00
parent 27a0d9a0d9
commit 6e6d8615a6
1 changed files with 45 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
README.md
View file

@ -2016,6 +2016,51 @@ mmu_ln_setentry: ptlevel=2, lnvaddr=0x50405000, paddr=0x51800000, vaddr=0x518000
`mmuflags=0x26` means Read + Write + Global
__Map the User Address Space: (Levels 1, 2, 3)__
```text
nx_start_application: Starting init task: /system/bin/init
// Level 1
mmu_ln_setentry: ptlevel=1, lnvaddr=0x50600000, paddr=0x50601000, vaddr=0x80100000, mmuflags=0x0
mmu_ln_setentry: index=0x2, paddr=0x50601000, mmuflags=0x1, pte_addr=0x50600010, pte_val=0x14180401
// Level 2
mmu_ln_setentry: ptlevel=2, lnvaddr=0x50601000, paddr=0x50602000, vaddr=0x80100000, mmuflags=0x0
mmu_ln_setentry: index=0, paddr=0x50602000, mmuflags=0x1, pte_addr=0x50601000, pte_val=0x14180801
// Level 3 (0x16)
mmu_ln_setentry: ptlevel=3, lnvaddr=0x50602000, paddr=0x50603000, vaddr=0x80100000, mmuflags=0x16
mmu_ln_setentry: index=0x100, paddr=0x50603000, mmuflags=0xd7, pte_addr=0x50602800, pte_val=0x14180cd7
// Level 3 (0x1a)
mmu_ln_setentry: ptlevel=3, lnvaddr=0x50602000, paddr=0x50604000, vaddr=0x80000000, mmuflags=0x1a
mmu_ln_setentry: index=0, paddr=0x50604000, mmuflags=0xdb, pte_addr=0x50602000, pte_val=0x141810db
mmu_ln_setentry: ptlevel=3, lnvaddr=0x50602000, paddr=0x50605000, vaddr=0x80001000, mmuflags=0x1a
mmu_ln_setentry: index=0x1, paddr=0x50605000, mmuflags=0xdb, pte_addr=0x50602008, pte_val=0x141814db
...
mmu_ln_setentry: ptlevel=3, lnvaddr=0x50602000, paddr=0x50619000, vaddr=0x80015000, mmuflags=0x1a
mmu_ln_setentry: index=0x15, paddr=0x50619000, mmuflags=0xdb, pte_addr=0x506020a8, pte_val=0x141864db
// Level 3 (0x16)
mmu_ln_setentry: ptlevel=3, lnvaddr=0x50602000, paddr=0x5061a000, vaddr=0x80101000, mmuflags=0x16
mmu_ln_setentry: index=0x101, paddr=0x5061a000, mmuflags=0xd7, pte_addr=0x50602808, pte_val=0x141868d7
// Level 2
mmu_ln_setentry: ptlevel=2, lnvaddr=0x50601000, paddr=0x5061b000, vaddr=0x80200000, mmuflags=0x0
mmu_ln_setentry: index=0x1, paddr=0x5061b000, mmuflags=0x1, pte_addr=0x50601008, pte_val=0x14186c01
// Level 3 (0x16)
mmu_ln_setentry: ptlevel=3, lnvaddr=0x5061b000, paddr=0x5061c000, vaddr=0x80200000, mmuflags=0x16
mmu_ln_setentry: index=0, paddr=0x5061c000, mmuflags=0xd7, pte_addr=0x5061b000, pte_val=0x141870d7
mmu_ln_setentry: ptlevel=3, lnvaddr=0x5061b000, paddr=0x5061d000, vaddr=0x80201000, mmuflags=0x16
mmu_ln_setentry: index=0x1, paddr=0x5061d000, mmuflags=0xd7, pte_addr=0x5061b008, pte_val=0x141874d7
...
mmu_ln_setentry: ptlevel=3, lnvaddr=0x5061b000, paddr=0x5069c000, vaddr=0x80280000, mmuflags=0x16
mmu_ln_setentry: index=0x80, paddr=0x5069c000, mmuflags=0xd7, pte_addr=0x5061b400, pte_val=0x141a70d7
```
_What are the 3 Levels of Page Tables?_
lnvaddr=0x50406000 is m_l1_pgtable