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[zion] Add a direct port write for the kernel

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Drew Galbraith 2023-06-17 00:07:58 -07:00
parent 0a909eae0e
commit 2ea1f90690
3 changed files with 21 additions and 16 deletions
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17
zion/object/port.cpp
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@ -74,6 +74,23 @@ z_err_t Port::Read(ZMessage& msg) {
return Z_OK;
}
void Port::WriteKernel(uint64_t init, RefPtr<Capability> cap) {
MutexHolder h(mutex_);
auto msg = MakeShared<Message>();
msg->type = 0;
msg->bytes = new uint8_t[8];
msg->num_bytes = sizeof(init);
uint8_t* data = reinterpret_cast<uint8_t*>(&init);
for (uint8_t i = 0; i < sizeof(init); i++) {
msg->bytes[i] = data[i];
}
msg->caps.PushBack(cap);
pending_messages_.PushBack(msg);
}
bool Port::HasMessages() {
MutexHolder h(mutex_);
return pending_messages_.size() != 0;

2
zion/object/port.h
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@ -24,6 +24,8 @@ class Port : public KernelObject {
z_err_t Write(const ZMessage& msg);
z_err_t Read(ZMessage& msg);
void WriteKernel(uint64_t init, RefPtr<Capability> cap);
bool HasMessages();
private: