Sean Cross
99d19866cf
kernel: mem: zero out memory as part of alloc()
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Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-14 22:11:57 +08:00
Sean Cross
db87a94960
kernel: services: add a page for the queue
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Eventually this will be rolled into an existing page.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-14 22:06:22 +08:00
Sean Cross
77c07f0d79
mem: add map_page()
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This shortcut function ensures a page is mapped.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-14 22:06:00 +08:00
Sean Cross
9a10f50ce1
kernel: services: keep track of current pid
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Currently we use the ASID inside the MMU to figure out the current PID.
We should also keep track of what we think it is, for consistency.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-14 21:28:01 +08:00
Sean Cross
845cef3771
kernel: services: add servers to SYSTEM_SERVICES
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This array will be used to keep track of what servers are running.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-14 16:58:15 +08:00
Sean Cross
9508201db9
xous-rs: add claim_interrupt wrapper
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Rather than calling the raw function, add a wrapper for programs to use.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-14 15:41:44 +08:00
Sean Cross
7a3e038e6b
syscall: add intial CreateServer call
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Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-13 22:41:25 +08:00
Sean Cross
c2008e5fe8
syscall: implement map_memory wrapper
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Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-13 20:33:08 +08:00
Sean Cross
08e416c776
kernel: support omitting virtual address when mapping
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This forms the basis for message passing.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-13 12:44:23 +08:00
Sean Cross
967464df93
kernel: mem: rename last memory address variable
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Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-13 09:52:53 +08:00
Sean Cross
fb3da7294c
mem: turn function comment into rustdoc
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Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-13 08:32:44 +08:00
Sean Cross
4bb3f6db68
Merge branch 'master' of github.com:betrusted-io/xous-core
2020-03-13 08:30:55 +08:00
Sean Cross
f0d4e44254
kernel: processtable: add "last_default_address"
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This will be used to accelerate allocations for ranges.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-12 17:02:03 +08:00
Sean Cross
87676c0fc5
mem: start implementing find_virtual_address()
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Right now it just returns the address, which is exactly what we had
before.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-12 17:01:40 +08:00
Sean Cross
c1b575507d
mem: better handling of memory alloc failures
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Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-12 16:51:14 +08:00
Sean Cross
36faa8354f
riscv: mem: silence warnings when print-debug is disabled
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Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-12 16:50:55 +08:00
Sean Cross
09890a2ca3
riscv: use upstream riscv module
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Still pulling from git, as the version number hasn't been bumped yet.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-11 17:49:03 +08:00
Sean Cross
f50ec67553
initial commit
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This pulls together many disparate repositories into one xous-core
repository.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-10 12:13:05 +08:00
