Application code structure

AN4240

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Doc ID024209 Rev 2

Figure 12. Secure boot code

The few lines of code create a section called rchw (reset configuration half word) just at the

first address of the CFLASH memory adding the start address for BOOT CMAC calculation,

the start address of the application and the lenght of the code to be authenticated, as

described in Figure 12.

In the locator file it is also necessary add the same section at the beginning of CFLASH and

define the size of the code to be authenticated, as shown Figure 13.:

Figure 13. Locator file