Architectures and Processors forum R5 MPU Background Region

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R5 MPU Background Region

ijahmad over 4 years ago

I have a follow-up question from this.

I want to create a 4GB background region on R5 core. All I have to do is to fill following for region-0 in MPU?

starting address: 0

size: 2^32 = 0x100000000

Is anything else I need to do to declare a background region?

-ijaz

Top replies

Martin Weidmann over 4 years ago in reply to ijahmad +2 verified

Register value of 0x3F => b0011_1111 Dividing that into the fields: bit[0] = enable = b1 = Enabled bits[5:1] = RSize = b 11111 = 31 If you take a look at the description of RSize in the Armv7-A/R...