• Locked Locked
  • Replies 3 replies
  • Subscribers 119 subscribers
  • Views 3683 views
  • Users 0 members are here
2025 survey

We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.

Options
Related
How was your experience today?
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Large Physical Address Extension

RAVEENDRA TALABATTULA
Note: This was originally posted on 19th November 2012 at http://forums.arm.com

Hi,

Can some body explain me about the Large Physical address extension in ARM ? i.e How it is implemented ? What are the registers that are invloved?
what about the page tables?
Parents
  • Arm Employee Badge
    Note: This was originally posted on 20th November 2012 at http://forums.arm.com

    For the detailed information (register, table formats, etc....) you will need the ARM Architecture Reference Manual, Rev C or C.b.  You can get this from the documentation section of ARM's website (called infocenter).
    For the basic concept...In ARMv7 ( and earlier) addresses as used by code are called virtual addresses (VA)  and are always 32-bit. LPAE allows these 32-bit VAs to be translated into physical addresses that ate up to 40 bits long
Reply
  • Arm Employee Badge
    Note: This was originally posted on 20th November 2012 at http://forums.arm.com

    For the detailed information (register, table formats, etc....) you will need the ARM Architecture Reference Manual, Rev C or C.b.  You can get this from the documentation section of ARM's website (called infocenter).
    For the basic concept...In ARMv7 ( and earlier) addresses as used by code are called virtual addresses (VA)  and are always 32-bit. LPAE allows these 32-bit VAs to be translated into physical addresses that ate up to 40 bits long
Children
No data