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Updated NetDll_select for new export convention.

This commit is contained in:
gibbed 2017-01-09 08:30:09 -06:00
parent 5cbb542fa3
commit 61cb3093ce
1 changed files with 79 additions and 76 deletions
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135
src/xenia/kernel/xam/xam_net.cc
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@ -727,109 +727,113 @@ dword_result_t NetDll_accept(dword_t caller, dword_t socket_handle,
DECLARE_XAM_EXPORT(NetDll_accept,
ExportTag::kImplemented | ExportTag::kNetworking);
typedef struct x_fd_set {
struct x_fd_set {
xe::be<uint32_t> fd_count;
xe::be<uint32_t> fd_array[64];
} x_fd_set;
struct host_set {
uint32_t fd_count;
object_ref<XSocket> sockets[64];
};
void LoadFdset(const x_fd_set* guest_set, host_set* host_set) {
struct host_set {
uint32_t count;
object_ref<XSocket> sockets[64];
void Load(const x_fd_set* guest_set) {
assert_true(guest_set->fd_count < 64);
host_set->fd_count = guest_set->fd_count;
for (uint32_t i = 0; i < host_set->fd_count; ++i) {
this->count = guest_set->fd_count;
for (uint32_t i = 0; i < this->count; ++i) {
auto socket_handle = static_cast<X_HANDLE>(guest_set->fd_array[i]);
if (socket_handle == -1) {
host_set->fd_count = i;
this->count = i;
break;
}
// Convert from Xenia -> native
auto socket =
kernel_state()->object_table()->LookupObject<XSocket>(socket_handle);
assert_not_null(socket);
host_set->sockets[i] = socket;
this->sockets[i] = socket;
}
}
void ImportFdset(host_set* host_set, fd_set* native_set) {
FD_ZERO(native_set);
for (uint32_t i = 0; i < host_set->fd_count; ++i) {
FD_SET(host_set->sockets[i]->native_handle(), native_set);
}
}
void StoreFdset(fd_set* native_set, host_set* host_set, x_fd_set* guest_set) {
void Store(x_fd_set* guest_set) {
guest_set->fd_count = 0;
for (uint32_t i = 0; i < host_set->fd_count; ++i) {
auto socket = host_set->sockets[i];
auto native_handle = socket->native_handle();
if (FD_ISSET(native_handle, native_set)) {
for (uint32_t i = 0; i < this->count; ++i) {
auto socket = this->sockets[i];
guest_set->fd_array[guest_set->fd_count++] = socket->handle();
}
}
}
SHIM_CALL NetDll_select_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t caller = SHIM_GET_ARG_32(0);
uint32_t nfds = SHIM_GET_ARG_32(1);
uint32_t readfds_ptr = SHIM_GET_ARG_32(2);
uint32_t writefds_ptr = SHIM_GET_ARG_32(3);
uint32_t exceptfds_ptr = SHIM_GET_ARG_32(4);
uint32_t timeout_ptr = SHIM_GET_ARG_32(5);
XELOGD("NetDll_select(%d, %d, %.8X, %.8X, %.8X, %.8X)", caller, nfds,
readfds_ptr, writefds_ptr, exceptfds_ptr, timeout_ptr);
host_set hostreadfds = {0};
fd_set readfds = {0};
if (readfds_ptr) {
LoadFdset((x_fd_set*)SHIM_MEM_ADDR(readfds_ptr), &hostreadfds);
ImportFdset(&hostreadfds, &readfds);
void Store(fd_set* native_set) {
FD_ZERO(native_set);
for (uint32_t i = 0; i < this->count; ++i) {
FD_SET(this->sockets[i]->native_handle(), native_set);
}
host_set hostwritefds = {0};
fd_set writefds = {0};
if (writefds_ptr) {
LoadFdset((x_fd_set*)SHIM_MEM_ADDR(writefds_ptr), &hostwritefds);
ImportFdset(&hostwritefds, &writefds);
}
host_set hostexceptfds = {0};
fd_set exceptfds = {0};
if (exceptfds_ptr) {
LoadFdset((x_fd_set*)SHIM_MEM_ADDR(exceptfds_ptr), &hostexceptfds);
ImportFdset(&hostexceptfds, &exceptfds);
void UpdateFrom(fd_set* native_set) {
uint32_t new_count = 0;
for (uint32_t i = 0; i < this->count; ++i) {
auto socket = this->sockets[i];
if (FD_ISSET(socket->native_handle(), native_set)) {
this->sockets[new_count++] = socket;
}
}
this->count = new_count;
}
};
int_result_t NetDll_select(int_t caller, int_t nfds,
pointer_t<x_fd_set> readfds,
pointer_t<x_fd_set> writefds,
pointer_t<x_fd_set> exceptfds,
lpvoid_t timeout_ptr) {
host_set host_readfds = {0};
fd_set native_readfds = {0};
if (readfds) {
host_readfds.Load(readfds);
host_readfds.Store(&native_readfds);
}
host_set host_writefds = {0};
fd_set native_writefds = {0};
if (writefds) {
host_writefds.Load(writefds);
host_writefds.Store(&native_writefds);
}
host_set host_exceptfds = {0};
fd_set native_exceptfds = {0};
if (exceptfds) {
host_exceptfds.Load(exceptfds);
host_exceptfds.Store(&native_exceptfds);
}
timeval* timeout_in = nullptr;
timeval timeout;
if (timeout_ptr) {
timeout = {static_cast<int32_t>(SHIM_MEM_32(timeout_ptr + 0)),
static_cast<int32_t>(SHIM_MEM_32(timeout_ptr + 4))};
timeout = {static_cast<int32_t>(timeout_ptr.as_array<int32_t>()[0]),
static_cast<int32_t>(timeout_ptr.as_array<int32_t>()[1])};
Clock::ScaleGuestDurationTimeval(
reinterpret_cast<int32_t*>(&timeout.tv_sec),
reinterpret_cast<int32_t*>(&timeout.tv_usec));
timeout_in = &timeout;
}
int ret = select(nfds, readfds_ptr ? &readfds : nullptr,
writefds_ptr ? &writefds : nullptr,
exceptfds_ptr ? &exceptfds : nullptr, timeout_in);
if (readfds_ptr) {
StoreFdset(&readfds, &hostreadfds, (x_fd_set*)SHIM_MEM_ADDR(readfds_ptr));
int ret = select(nfds, readfds ? &native_readfds : nullptr,
writefds ? &native_writefds : nullptr,
exceptfds ? &native_exceptfds : nullptr, timeout_in);
if (readfds) {
host_readfds.UpdateFrom(&native_readfds);
host_readfds.Store(readfds);
}
if (writefds_ptr) {
StoreFdset(&writefds, &hostwritefds,
(x_fd_set*)SHIM_MEM_ADDR(writefds_ptr));
if (writefds) {
host_writefds.UpdateFrom(&native_writefds);
host_writefds.Store(writefds);
}
if (exceptfds_ptr) {
StoreFdset(&exceptfds, &hostexceptfds,
(x_fd_set*)SHIM_MEM_ADDR(exceptfds_ptr));
if (exceptfds) {
host_exceptfds.UpdateFrom(&native_exceptfds);
host_exceptfds.Store(exceptfds);
}
// TODO(gibbed): modify ret to be what's actually copied to the guest fd_sets?
SHIM_SET_RETURN_32(ret);
return ret;
}
DECLARE_XAM_EXPORT(NetDll_select,
ExportTag::kNetworking | ExportTag::kImplemented);
dword_result_t NetDll_recv(dword_t caller, dword_t socket_handle,
lpvoid_t buf_ptr, dword_t buf_len, dword_t flags) {
@ -922,7 +926,6 @@ DECLARE_XAM_EXPORT(NetDll_sendto,
void RegisterNetExports(xe::cpu::ExportResolver* export_resolver,
KernelState* kernel_state) {
SHIM_SET_MAPPING("xam.xex", NetDll_XNetQosServiceLookup, state);
SHIM_SET_MAPPING("xam.xex", NetDll_select, state);
}
} // namespace xam