Note

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MMZ Demo

Introduction

This example demonstrates the common flow of the MMZ memory management interface:

• Allocate MMZ memory (cached/non-cached)

• Free MMZ memory

• Query physical information by virtual address

• Cache flush

Code Location

• src/rtsmart/examples/mpp/sample_mmz

Compilation Method

Enable the following in make menuconfig:

• RT-Smart UserSpace Examples Configuration

• Enable MPP examples

• Enable Build sample_mmz

Then execute the firmware compilation.

Running the Example

cd /sdcard/app/examples/mpp
./sample_mmz.elf

Description

After the example finishes running, it will print sample mmz test success or failure information, making it easy to quickly locate issues in the MMZ call chain.