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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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20
src/kernel/syscalls/object.cpp
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@@ -9,7 +9,7 @@
namespace syscalls {
j6_status_t
object_koid(j6_handle_t handle, j6_koid_t *koid)
kobject_koid(j6_handle_t handle, j6_koid_t *koid)
{
if (koid == nullptr)
return j6_err_invalid_arg;
@@ -23,7 +23,7 @@ object_koid(j6_handle_t handle, j6_koid_t *koid)
}
j6_status_t
object_wait(j6_handle_t handle, j6_signal_t mask, j6_signal_t *sigs)
kobject_wait(j6_handle_t handle, j6_signal_t mask, j6_signal_t *sigs)
{
kobject *obj = get_handle<kobject>(handle);
if (!obj)
@@ -47,11 +47,11 @@ object_wait(j6_handle_t handle, j6_signal_t mask, j6_signal_t *sigs)
}
j6_status_t
object_wait_many(j6_handle_t *handles, uint32_t count, j6_signal_t mask, j6_handle_t *handle, j6_signal_t *sigs)
kobject_wait_many(j6_handle_t * handles, size_t handles_count, uint64_t mask, j6_handle_t * handle, uint64_t * signals)
{
kutil::vector<kobject*> objects {count};
kutil::vector<kobject*> objects {uint32_t(handles_count)};
for (unsigned i = 0; i < count; ++i) {
for (unsigned i = 0; i < handles_count; ++i) {
j6_handle_t h = handles[i];
if (h == j6_handle_invalid)
continue;
@@ -62,7 +62,7 @@ object_wait_many(j6_handle_t *handles, uint32_t count, j6_signal_t mask, j6_hand
j6_signal_t current = obj->signals();
if ((current & mask) != 0) {
*sigs = current;
*signals = current;
*handle = h;
return j6_status_ok;
}
@@ -81,9 +81,9 @@ object_wait_many(j6_handle_t *handles, uint32_t count, j6_signal_t mask, j6_hand
return result;
*handle = j6_handle_invalid;
*sigs = th.get_wait_data();
*signals = th.get_wait_data();
j6_koid_t koid = th.get_wait_object();
for (unsigned i = 0; i < count; ++i) {
for (unsigned i = 0; i < handles_count; ++i) {
if (koid == objects[i]->koid())
*handle = handles[i];
else
@@ -96,7 +96,7 @@ object_wait_many(j6_handle_t *handles, uint32_t count, j6_signal_t mask, j6_hand
}
j6_status_t
object_signal(j6_handle_t handle, j6_signal_t signals)
kobject_signal(j6_handle_t handle, j6_signal_t signals)
{
if ((signals & j6_signal_user_mask) != signals)
return j6_err_invalid_arg;
@@ -110,7 +110,7 @@ object_signal(j6_handle_t handle, j6_signal_t signals)
}
j6_status_t
object_close(j6_handle_t handle)
kobject_close(j6_handle_t handle)
{
kobject *obj = get_handle<kobject>(handle);
if (!obj)