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[project] Generate syscalls from new interface DSL

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This change adds a new interface DSL for specifying objects (with
methods) and interfaces (that expose objects, and optionally have their
own methods).

Significant changes:

- Add the new scripts/definitions Python module to parse the DSL
- Add the new definitions directory containing DSL definition files
- Use cog to generate syscall-related code in kernel and libj6
- Unify ordering of pointer + length pairs in interfaces
This commit is contained in:
Justin C. Miller
2021-08-30 01:05:32 -07:00
parent 80f815c020
commit 186724e751
52 changed files with 4025 additions and 206 deletions
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10
src/kernel/objects/endpoint.cpp
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@@ -28,10 +28,10 @@ endpoint::close()
}
j6_status_t
endpoint::send(j6_tag_t tag, size_t len, void *data)
endpoint::send(j6_tag_t tag, const void *data, size_t data_len)
{
thread_data sender = { &thread::current(), data };
sender.len = len;
sender.len = data_len;
sender.tag = tag;
if (!check_signal(j6_signal_endpoint_can_send)) {
@@ -55,11 +55,11 @@ endpoint::send(j6_tag_t tag, size_t len, void *data)
}
j6_status_t
endpoint::receive(j6_tag_t *tag, size_t *len, void *data)
endpoint::receive(j6_tag_t *tag, void *data, size_t *data_len)
{
thread_data receiver = { &thread::current(), data };
receiver.tag_p = tag;
receiver.len_p = len;
receiver.len_p = data_len;
if (!check_signal(j6_signal_endpoint_can_recv)) {
assert_signal(j6_signal_endpoint_can_send);
@@ -120,7 +120,7 @@ endpoint::do_message_copy(const endpoint::thread_data &sender, endpoint::thread_
if (sender.len) {
vm_space &source = sender.th->parent().space();
vm_space &dest = receiver.th->parent().space();
vm_space::copy(source, dest, sender.data, receiver.data, sender.len);
vm_space::copy(source, dest, sender.data, receiver.buffer, sender.len);
}
*receiver.len_p = sender.len;