This is useful for two reasons. Within this change, it allows the
early DTB mapping to be eliminated, as we can now just dereference the
physical address provided by FW and copy the DTB contents into KVA.
It will also aid in an upcoming change.
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Details
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Diff Detail
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Event Timeline
| sys/riscv/riscv/locore.S | ||
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| 124 | I see that you do this in a follow-up commit. | |
| sys/riscv/riscv/pmap.c | ||
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| 699 | Agreed, it is odd here, but precedes the addition of the code I am removing. It would be better to check the usage of this fence in the later reworking of pmap_bootstrap(), D45327. This change is essentially part of that rework, and although I separated it for the sake of review, the split is imperfect. | |
| sys/riscv/riscv/locore.S | ||
|---|---|---|
| 130 | ||