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Will make it easier to add other tests, like sharing the GIC across cores.
We send a Software Generated Interrupt from Core 0 to Core 1, and then another one back the other way.
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* The `_num_cores` symbol controls how many copies of each stack you get * Added better docs to link.x * Added `enum Stack` to aarch32-rt, which can fetch information about each stack * Simplified the SMP start-up code * Stacks and stack related code are now all in the same order If you want to put stacks into TCM, you'll need custom routines. This code assumes stacks all live in the same region of RAM.
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Moves the SMP example to its own example folder, and allocates stacks for all cores.
This makes it easier to share code across multiple SMP examples when adding more SMP examples in the future.