[riot-notifications] [RIOT-OS/RIOT] riotboot/Makefile.include: increase RIOTBOOT_HRD_LEN for ARMv7*-M (#11641)

Francisco Acosta notifications at github.com
Tue Jun 11 12:03:34 CEST 2019

I can confirm is CPU specific and actually it MUST be 256B aligned according to the Cortex-M user manual. For this architecture I think there must be something similar, but I'd say to align it at 256B systematically so we don't risk too much.

For now, most of supported CPUs have less than 256 IRQ (mostly Cortex-M0+ and M3), then the M4 and M7 I think they have more, so they need at least a 512B for that.

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