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[zion] Add a method for duplicating and scoping down VMMOs.

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Use the AHCI section of the PCI config as an example POC of this.

We can now pass a memory capability instead of just the physical
address.
This commit is contained in:
Drew Galbraith 2023-08-01 17:46:26 -07:00
parent 8f84f8c3ca
commit 48c6e5b3a4
12 changed files with 62 additions and 18 deletions
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3
zion/include/zcall.h
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@ -107,6 +107,9 @@ SYS3(MemoryObjectCreatePhysical, uint64_t, paddr, uint64_t, size, z_cap_t*,
SYS3(MemoryObjectCreateContiguous, uint64_t, size, z_cap_t*, vmmo_cap,
uint64_t*, paddr);
SYS4(MemoryObjectDuplicate, z_cap_t, vmmo_cap, uint64_t, base_offset, uint64_t,
length, z_cap_t*, new_vmmo_cap);
SYS2(ChannelCreate, z_cap_t*, channel1, z_cap_t*, channel2);
SYS5(ChannelSend, z_cap_t, chan_cap, uint64_t, num_bytes, const void*, data,
uint64_t, num_caps, z_cap_t*, caps);