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[zion] Move channel syscalls to new format.

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This commit is contained in:
Drew Galbraith 2023-06-20 14:41:44 -07:00
parent 1a70ce4855
commit 77bb3acfb4
11 changed files with 91 additions and 123 deletions
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42
zion/syscall/syscall.cpp
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@ -13,6 +13,7 @@
#include "scheduler/process_manager.h"
#include "scheduler/scheduler.h"
#include "syscall/address_space.h"
#include "syscall/channel.h"
#include "syscall/memory_object.h"
#include "syscall/process.h"
#include "syscall/thread.h"
@ -61,37 +62,6 @@ z_err_t ValidateCap(const RefPtr<Capability>& cap, uint64_t permissions) {
return Z_OK;
}
z_err_t ChannelCreate(ZChannelCreateResp* resp) {
auto& proc = gScheduler->CurrentProcess();
auto chan_pair = Channel::CreateChannelPair();
resp->chan_cap1 =
proc.AddNewCapability(chan_pair.first(), ZC_WRITE | ZC_READ);
resp->chan_cap2 =
proc.AddNewCapability(chan_pair.second(), ZC_WRITE | ZC_READ);
return Z_OK;
}
z_err_t ChannelSend(ZChannelSendReq* req) {
auto& proc = gScheduler->CurrentProcess();
auto chan_cap = proc.GetCapability(req->chan_cap);
RET_ERR(ValidateCap(chan_cap, ZC_WRITE));
auto chan = chan_cap->obj<Channel>();
RET_IF_NULL(chan);
chan->Write(req->message);
return Z_OK;
}
z_err_t ChannelRecv(ZChannelRecvReq* req) {
auto& proc = gScheduler->CurrentProcess();
auto chan_cap = proc.GetCapability(req->chan_cap);
RET_ERR(ValidateCap(chan_cap, ZC_READ));
auto chan = chan_cap->obj<Channel>();
RET_IF_NULL(chan);
return chan->Read(req->message);
}
z_err_t PortCreate(ZPortCreateResp* resp) {
auto& proc = gScheduler->CurrentProcess();
auto port = MakeRefCounted<Port>();
@ -175,12 +145,10 @@ extern "C" z_err_t SyscallHandler(uint64_t call_id, void* req, void* resp) {
CASE(MemoryObjectCreatePhysical);
CASE(MemoryObjectCreateContiguous);
CASE(TempPcieConfigObjectCreate);
case Z_CHANNEL_CREATE:
return ChannelCreate(reinterpret_cast<ZChannelCreateResp*>(resp));
case Z_CHANNEL_SEND:
return ChannelSend(reinterpret_cast<ZChannelSendReq*>(req));
case Z_CHANNEL_RECV:
return ChannelRecv(reinterpret_cast<ZChannelRecvReq*>(req));
// syscall/channel.h
CASE(ChannelCreate);
CASE(ChannelSend);
CASE(ChannelRecv);
case Z_PORT_CREATE:
return PortCreate(reinterpret_cast<ZPortCreateResp*>(resp));
case Z_PORT_SEND: