d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Document the memory ranges within the kernel region to help with debugging

Browse Source 
to track down which region an address is from.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2016-04-13 11:43:03 +00:00
parent 9f4d1b488f
commit 0b4890b034
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
sys/arm64/include/vmparam.h
View File

@ -128,14 +128,19 @@
* We use the full 48 bits for each region, however the kernel may only use * We use the full 48 bits for each region, however the kernel may only use
* a limited range within this space. * a limited range within this space.
* *
* Upper region: 0xffffffffffffffff * Upper region: 0xffffffffffffffff Top of virtual memory
* 0xffff000000000000
* *
* Hole: 0xfffeffffffffffff * 0xfffffeffffffffff End of DMAP
* 0x0001000000000000 * 0xfffffd0000000000 Start of DMAP
* *
* Lower region: 0x0000ffffffffffff * 0xffff007fffffffff End of KVA
* 0x0000000000000000 * 0xffff000000000000 Kernel base address & start of KVA
*
* Hole: 0xfffeffffffffffff
* 0x0001000000000000
*
* Lower region: 0x0000ffffffffffff End of user address space
* 0x0000000000000000 Start of user address space
* *
* We use the upper region for the kernel, and the lower region for userland. * We use the upper region for the kernel, and the lower region for userland.
* *