drew/acadia
1
0
Fork 0
Code Issues 6 Pull requests Projects Releases Packages Wiki Activity Actions

[all] Add stub for new Endpoint kernel object

Browse source
This commit is contained in:
Drew Galbraith 2023-06-21 21:26:24 -07:00
parent 1f7a15eed4
commit 69501bfe01
15 changed files with 144 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

3
lib/mammoth/src/endpoint_client.cpp Normal file
View file

@ -0,0 +1,3 @@
#include "mammoth/endpoint_server.h"
EndpointClient EndpointClient::AdoptEndpoint(z_cap_t cap) { return {cap}; }

14
lib/mammoth/src/endpoint_server.cpp Normal file
View file

@ -0,0 +1,14 @@
#include "mammoth/endpoint_server.h"
glcr::ErrorOr<EndpointServer> EndpointServer::Create() {
uint64_t cap;
RET_ERR(ZEndpointCreate(&cap));
return EndpointServer(cap);
}
glcr::ErrorOr<EndpointClient> EndpointServer::CreateClient() {
uint64_t client_cap;
// FIXME: Restrict permissions to send-only here.
RET_ERR(ZCapDuplicate(endpoint_cap_, &client_cap));
return EndpointClient::AdoptEndpoint(client_cap);
}

17
lib/mammoth/src/process.cpp
View file

@ -3,8 +3,8 @@
#include <glacier/status/error.h>
#include <zcall.h>
#include "mammoth/channel.h"
#include "mammoth/debug.h"
#include "mammoth/endpoint_server.h"
#include "mammoth/init.h"
#include "mammoth/port.h"
@ -95,20 +95,21 @@ uint64_t LoadElfProgram(uint64_t base, uint64_t as_cap) {
} // namespace
glcr::ErrorOr<Channel> SpawnProcessFromElfRegion(uint64_t program) {
Channel local, foreign;
check(CreateChannels(local, foreign));
glcr::ErrorOr<EndpointClient> SpawnProcessFromElfRegion(uint64_t program) {
ASSIGN_OR_RETURN(EndpointServer server, EndpointServer::Create());
ASSIGN_OR_RETURN(EndpointClient client, server.CreateClient());
uint64_t proc_cap;
uint64_t as_cap;
uint64_t foreign_port_id;
uint64_t port_cap;
#if MAM_PROC_DEBUG
dbgln("Port Create");
#endif
check(ZPortCreate(&port_cap));
RET_ERR(ZPortCreate(&port_cap));
uint64_t port_cap_donate;
check(ZCapDuplicate(port_cap, &port_cap_donate));
RET_ERR(ZCapDuplicate(port_cap, &port_cap_donate));
#if MAM_PROC_DEBUG
dbgln("Spawn");
@ -127,12 +128,12 @@ glcr::ErrorOr<Channel> SpawnProcessFromElfRegion(uint64_t program) {
Port p(port_cap);
check(p.WriteMessage<uint64_t>(Z_INIT_SELF_PROC, proc_cap));
check(p.WriteMessage<uint64_t>(Z_INIT_SELF_VMAS, as_cap));
check(p.WriteMessage<uint64_t>(Z_INIT_CHANNEL, foreign.release_cap()));
check(p.WriteMessage<uint64_t>(Z_INIT_CHANNEL, server.GetCap()));
#if MAM_PROC_DEBUG
dbgln("Thread start");
#endif
check(ZThreadStart(thread_cap, entry_point, foreign_port_id, 0));
return local;
return client;
}