int call_func_ta(int ta_num,int func_id,int simp_arg,void *data,size_t size,seL4_Word *res){
int length = size/(double)sizeof(seL4_Word);
if((length+5) > seL4_MsgMaxLength){
printf("Params too large. operation failed\n");
return -1;
}else{
seL4_MessageInfo_t tag = seL4_MessageInfo_new(0, 0, 0, 5+length);
seL4_SetTag(tag);
seL4_SetMR(0, CALL_FUNC_CMD);
seL4_SetMR(1, ta_num);
seL4_SetMR(2,func_id);
seL4_SetMR(3,simp_arg);
seL4_SetMR(4,length);
seL4_Word* blockptr = (seL4_Word*)data;
for(int i =0; i < length;++i){
seL4_SetMR(i+5,*blockptr);
blockptr++;
}
seL4_Call(TEE_EP_CPTR,tag);
int res_val = seL4_GetMR(0);
if(res != NULL){
int len = seL4_GetMR(1);
for(int i =0; i < len;++i){
res[i] = seL4_GetMR(i+2);
}
}
return res_val;
}
}
void /*? me.interface.name ?*/__run(void) {
while(1) {
/*- set cnode = alloc_cap('cnode', my_cnode, write=True) -*/
/*- set reply_cap_slot = alloc_cap('reply_cap_slot', None) -*/
int result UNUSED;
unsigned int len;
ip_addr_t addr;
struct pbuf *p;
seL4_Word badge;
seL4_Wait(/*? ep ?*/, &badge);
result = seL4_CNode_SaveCaller(/*? cnode ?*/, /*? reply_cap_slot ?*/, 32);
assert(result == seL4_NoError);
len = seL4_GetMR(0);
if (len < 4096) {
addr.addr = seL4_GetMR(1);
lwip_lock();
p = pbuf_alloc(PBUF_TRANSPORT, len, PBUF_RAM);
if (p) {
memcpy(p->payload, /*? me.interface.name?*/_buf_buf(badge), len);
switch (badge) {
/*- for client, source, dest in clients -*/
case /*? client ?*/:
udp_sendto(upcb[/*? loop.index0 ?*/], p, &addr, /*? dest ?*/);
break;
/*- endfor -*/
}
pbuf_free(p);
}
lwip_unlock();
}
seL4_Send(/*? reply_cap_slot ?*/, seL4_MessageInfo_new(0, 0, 0, 0));
}
static int
test_full_cspace(env_t env)
{
int error;
seL4_CPtr cnode[CONFIG_WORD_SIZE];
seL4_CPtr ep = vka_alloc_endpoint_leaky(&env->vka);
seL4_Word ep_pos = 1;
/* Create 32 or 64 cnodes, each resolving one bit. */
for (unsigned int i = 0; i < CONFIG_WORD_SIZE; i++) {
cnode[i] = vka_alloc_cnode_object_leaky(&env->vka, 1);
assert(cnode[i]);
}
/* Copy cnode i to alternating slots in cnode i-1. */
seL4_Word slot = 0;
for (unsigned int i = 1; i < CONFIG_WORD_SIZE; i++) {
error = seL4_CNode_Copy(
cnode[i - 1], slot, 1,
env->cspace_root, cnode[i], seL4_WordBits,
seL4_AllRights);
test_assert(!error);
ep_pos |= (slot << i);
slot ^= 1;
}
/* In the final cnode, put an IPC endpoint in slot 1. */
error = seL4_CNode_Copy(
cnode[CONFIG_WORD_SIZE - 1], slot, 1,
env->cspace_root, ep, seL4_WordBits,
seL4_AllRights);
test_assert(!error);
/* Start a helper thread in our own cspace, to let it get set up. */
helper_thread_t t;
create_helper_thread(env, &t);
start_helper(env, &t, ipc_caller, ep, ep_pos, CONFIG_WORD_SIZE, 0);
/* Wait for it. */
seL4_MessageInfo_t tag;
seL4_Word sender_badge = 0;
tag = seL4_Recv(ep, &sender_badge);
test_assert(seL4_MessageInfo_get_length(tag) == 1);
test_assert(seL4_GetMR(0) == READY_MAGIC);
/* Now switch its cspace. */
error = seL4_TCB_SetSpace(t.thread.tcb.cptr, t.fault_endpoint,
cnode[0], seL4_NilData, env->page_directory,
seL4_NilData);
test_assert(!error);
/* And now wait for it to do some tests and return to us. */
tag = seL4_Recv(ep, &sender_badge);
test_assert(seL4_MessageInfo_get_length(tag) == 1);
test_assert(seL4_GetMR(0) == SUCCESS_MAGIC);
cleanup_helper(env, &t);
return sel4test_get_result();
}
int
dispatch_vm_fault(struct procserv_msg *m, void **userptr) {
if (check_dispatch_fault(m, userptr) != DISPATCH_SUCCESS) {
return DISPATCH_PASS;
}
(void) userptr;
/* Find the faulting client's PCB. */
struct proc_pcb *pcb = pid_get_pcb_from_badge(&procServ.PIDList, m->badge);
if (!pcb) {
ROS_WARNING("Unknown client.");
return DISPATCH_ERROR;
}
assert(pcb->magic == REFOS_PCB_MAGIC);
assert(pcb->pid == m->badge - PID_BADGE_BASE);
/* Fill out the VM fault message info structure. */
struct procserv_vmfault_msg vmfault;
vmfault.pcb = pcb;
vmfault.pc = seL4_GetMR(seL4_VMFault_IP);
vmfault.faultAddr = seL4_GetMR(seL4_VMFault_Addr);
vmfault.instruction = seL4_GetMR(seL4_VMFault_PrefetchFault);
vmfault.fsr = seL4_GetMR(seL4_VMFault_FSR);
vmfault.read = sel4utils_is_read_fault();
/* Handle the VM fault. */
handle_vm_fault(m, &vmfault);
return DISPATCH_SUCCESS;
}
/* Handle an incoming IPC from a server node */
void
irq_server_handle_irq_ipc(irq_server_t irq_server UNUSED)
{
seL4_Word badge;
uintptr_t node_ptr;
badge = seL4_GetMR(0);
node_ptr = seL4_GetMR(1);
if (node_ptr == 0) {
ZF_LOGE("Invalid data in irq server IPC\n");
} else {
irq_server_node_handle_irq((struct irq_server_node*)node_ptr, badge);
}
}
int /*? me.from_interface.name ?*/_poll(unsigned int *len, uint16_t *port, ip_addr_t *addr) {
int status;
seL4_MessageInfo_t UNUSED info;
info = seL4_Call(/*? ep ?*/, seL4_MessageInfo_new(0, 0, 0, 0));
assert(seL4_MessageInfo_get_length(info) > 0);
status = seL4_GetMR(0);
if (status != -1) {
*len = seL4_GetMR(1);
*port = seL4_GetMR(2);
*addr = (ip_addr_t){.addr = seL4_GetMR(3)};
assert(*len < 4096);
}
return status;
}
pid_t my_id(void) {
seL4_MessageInfo_t msg = seL4_MessageInfo_new (0, 0, 0, 1);
seL4_SetMR (0, SYSCALL_PROCESS_GETPID);
seL4_Call (PAPAYA_SYSCALL_SLOT, msg);
return seL4_GetMR (0);
}
int read (fildes_t file, char *buf, size_t nbyte) {
if (nbyte >= (1 << 12)) {
return -1; /* FIXME: crappy limitation */
}
struct sos_fhandle* fh = sos_lookup_fhandle (file);
if (!fh) {
return -1;
}
seL4_MessageInfo_t msg = seL4_MessageInfo_new (0, 0, pawpaw_share_attach (fh->share), 3);
//seL4_SetCap (0, fh->share->cap);
seL4_SetMR (0, VFS_READ);
seL4_SetMR (1, fh->share->id);
seL4_SetMR (2, nbyte);
seL4_Call (fh->cap, msg);
int read = seL4_GetMR (0);
if (read > 0) {
memcpy (buf, fh->share->buf, read);
}
return read;
}
void handle_pagefault(void) {
seL4_Word pc = seL4_GetMR(0);
seL4_Word fault_addr = seL4_GetMR(1);
bool ifault = (bool)seL4_GetMR(2);
seL4_Word fsr = seL4_GetMR(3);
dprintf(0, "vm fault at 0x%08x, align = 0x%08x, pc = 0x%08x, proc = %d, %s\n",
fault_addr, PAGE_ALIGN(fault_addr), pc, proc_get_id(), ifault ? "iFault" : "dFault");
seL4_CPtr reply_cap;
/* Save the caller */
reply_cap = cspace_save_reply_cap(cur_cspace);
assert(reply_cap != CSPACE_NULL);
dprintf(3, "handle_pagefault: reply_cap = %d\n", (int)reply_cap);
sos_VMFaultHandler(reply_cap, fault_addr, fsr, ifault);
}
/*! @brief Handle messages received by the CPIO file server.
@param s The global file server state. (No ownership transfer)
@param msg The received message. (No ownership transfer)
@return DISPATCH_SUCCESS if message dispatched, DISPATCH_ERROR if unknown message.
*/
static int
fileserv_handle_message(struct fs_state *s, srv_msg_t *msg)
{
int result;
int label = seL4_GetMR(0);
void *userptr;
(void) result;
if (dispatch_notification(msg) == DISPATCH_SUCCESS) {
return DISPATCH_SUCCESS;
}
if (check_dispatch_serv(msg, &userptr) == DISPATCH_SUCCESS) {
result = rpc_sv_serv_dispatcher(userptr, label);
assert(result == DISPATCH_SUCCESS);
return DISPATCH_SUCCESS;
}
if (check_dispatch_data(msg, &userptr) == DISPATCH_SUCCESS) {
result = rpc_sv_data_dispatcher(userptr, label);
assert(result == DISPATCH_SUCCESS);
return DISPATCH_SUCCESS;
}
dprintf("Unknown message (badge = %d msgInfo = %d label = %d (0x%x)).\n",
msg->badge, seL4_MessageInfo_get_label(msg->message), label, label);
ROS_ERROR("File server unknown message.");
assert(!"File server unknown message.");
return DISPATCH_ERROR;
}
pid_t process_wait(pid_t pid) {
seL4_MessageInfo_t msg = seL4_MessageInfo_new (0, 0, 0, 2);
seL4_SetMR (0, SYSCALL_PROCESS_WAIT);
seL4_SetMR (1, pid);
seL4_Call (PAPAYA_SYSCALL_SLOT, msg);
return seL4_GetMR (0);
}
int process_delete(pid_t pid) {
seL4_MessageInfo_t msg = seL4_MessageInfo_new (0, 0, 0, 2);
seL4_SetMR (0, SYSCALL_PROCESS_DESTROY);
seL4_SetMR (1, pid);
seL4_Call (PAPAYA_SYSCALL_SLOT, msg);
return seL4_GetMR (0);
}
int
wait_for_helper(helper_thread_t *thread)
{
seL4_Word badge;
seL4_Wait(thread->local_endpoint.cptr, &badge);
return seL4_GetMR(0);
}
uint32_t
rpc_unmarshall(uint32_t cur_mr, char *str, uint32_t slen)
{
assert(str);
if (slen == 0) return cur_mr;
int i;
for (i = 0; i < ROUND_DOWN(slen, 4); i+=4, str+=4) {
*(seL4_Word*) str = seL4_GetMR(cur_mr++);
}
if (i != slen) {
seL4_Word w = seL4_GetMR(cur_mr++);
memcpy(str, &w, slen - i);
}
return cur_mr;
}
int /*? me.interface.name ?*/__run(void) {
seL4_Word fault_type;
seL4_Word length;
seL4_MessageInfo_t info;
seL4_Word args[4];
seL4_Word reply_cap = /*? reply_cap_slot ?*/;
while (1) {
/* Wait for fault */
info = seL4_Recv(/*? ep ?*/, &gdb_state.current_thread_tcb);
/* Get the relevant registers */
fault_type = seL4_MessageInfo_get_label(info);
length = seL4_MessageInfo_get_length(info);
for (int i = 0; i < length; i++) {
args[i] = seL4_GetMR(i);
}
gdb_state.current_pc = args[0];
ZF_LOGD("------------------------------");
ZF_LOGD("Received fault for tcb %zu", gdb_state.current_thread_tcb);
ZF_LOGD("Stopped at %zx", gdb_state.current_pc);
ZF_LOGD("Length: %zu", length);
// Save the reply cap
seL4_CNode_SaveCaller(/*? cnode ?*/, reply_cap, 32);
gdb_state.stop_reason = find_stop_reason(fault_type, args);
gdb_state.current_thread_step_mode = false;
/* Send fault message to gdb client */
gdb_handle_fault(&gdb_state);
/* Wait for gdb client to deal with fault */
int UNUSED error = b_wait();
/* Reply to the fault ep to restart the thread.
We look inside the gdb_state struct to interpret how to restart the thread.
*/
if (gdb_state.stop_reason == stop_step && gdb_state.current_thread_step_mode==false) {
/* If this was a Debug Exception, then we respond with
a bp_num and the number of instruction to step
Since we're going to continue, we set MR0 to 0
*/
info = seL4_MessageInfo_new(0, 0, 0, 1);
seL4_SetMR(0, 0);
seL4_Send(reply_cap, info);
} else if (gdb_state.stop_reason == stop_none) {
/* If this was a fault, set the instruction pointer to
what we expect it to be
*/
info = seL4_MessageInfo_new(0, 0, 0, 1);
seL4_SetMR(0, gdb_state.current_pc);
seL4_Send(reply_cap, info);
} else {
ZF_LOGD("Responding to some other debug exception %d", gdb_state.stop_reason);
seL4_Signal(reply_cap);
}
}
UNREACHABLE();
}
/* sends:
* vaddr in process address space of processes buffer (should do map-in-out)
* maximum number to place in buffer
*/
int process_status(process_t *processes, unsigned max) {
seL4_MessageInfo_t msg = seL4_MessageInfo_new (0, 0, 0, 3);
seL4_SetMR (0, SYSCALL_PROCESS_SEND_STATUS);
seL4_SetMR (1, (seL4_Word)processes);
seL4_SetMR (2, max);
seL4_Call (PAPAYA_SYSCALL_SLOT, msg);
return seL4_GetMR (0);
}
int
check_dispatch_serv(srv_msg_t *m, void **userptr)
{
int label = seL4_GetMR(0);
if (label == RPC_SERV_CONNECT_DIRECT && m->badge != 0) {
return DISPATCH_PASS;
}
return check_dispatch_interface(m, userptr, RPC_SERV_LABEL_MIN, RPC_SERV_LABEL_MAX);
}
pid_t process_create_args_env (const char* path, const char* argv[], const int argc, const char* envv[], const int envc) {
seL4_MessageInfo_t msg = seL4_MessageInfo_new (0, 0, 0, 3);
seL4_SetMR (0, SYSCALL_PROCESS_CREATE);
seL4_SetMR (1, (seL4_Word)path);
seL4_SetMR (2, (seL4_Word)argv);
char*
seL4_SetMR (3, argc + envc)
seL4_Call (PAPAYA_SYSCALL_SLOT, msg);
return seL4_GetMR (0);
}
static int handle_exception(vm_t* vm, seL4_Word ip)
{
seL4_UserContext regs;
seL4_CPtr tcb = vm_get_tcb(vm);
int err;
printf("%sInvalid instruction from [%s] at PC: 0x"XFMT"%s\n",
CERROR, vm->name, seL4_GetMR(0), CNORMAL);
err = seL4_TCB_ReadRegisters(tcb, false, 0, sizeof(regs) / sizeof(regs.pc), ®s);
assert(!err);
print_ctx_regs(®s);
return 1;
}
pid_t process_create_args (const char* path, const char* argv[]) {
#endif
seL4_MessageInfo_t msg = seL4_MessageInfo_new (0, 0, 0, 3);
seL4_SetMR (0, SYSCALL_PROCESS_CREATE);
seL4_SetMR (1, (seL4_Word)path);
seL4_SetMR (2, strlen (path));
//seL4_SetMR (2, (seL4_Word)argv);
//seL4_SetMR (3, )
seL4_Call (PAPAYA_SYSCALL_SLOT, msg);
return seL4_GetMR (0);
}
/** Performs the IPC register setup for a write() call to the server.
*
* The Server's ABI for the write() request has changed a little: the server
* now returns the number of bytes it wrote out to the serial in a msg-reg,
* aside from also returning an error code in the "label" of the header.
*
* @param conn Initialized connection token returned by
* serial_server_client_connect().
* @param len length of the data in the buffer.
* @param server_nbytes_written The value the server reports that it actually
* wrote to the serial device.
* @return 0 on success, or integer error value on error.
*/
static ssize_t
serial_server_write_ipc_invoke(serial_client_context_t *conn, ssize_t len)
{
seL4_MessageInfo_t tag;
seL4_SetMR(SSMSGREG_FUNC, FUNC_WRITE_REQ);
seL4_SetMR(SSMSGREG_WRITE_REQ_BUFF_LEN, len);
tag = seL4_MessageInfo_new(0, 0, 0, SSMSGREG_WRITE_REQ_END);
tag = seL4_Call(conn->badged_server_ep_cspath.capPtr, tag);
if (seL4_GetMR(SSMSGREG_FUNC) != FUNC_WRITE_ACK) {
ZF_LOGE(SERSERVC"printf: Reply message was not a WRITE_ACK as "
"expected.");
return - seL4_IllegalOperation;
}
if (seL4_MessageInfo_get_label(tag) != 0) {
return - seL4_MessageInfo_get_label(tag);
}
return seL4_GetMR(SSMSGREG_WRITE_ACK_N_BYTES_WRITTEN);
}
static int
ipc_test_helper_1(ipc_test_data_t *data)
{
seL4_Word sender_badge = 0;
seL4_MessageInfo_t tag;
int result = 0;
/* TEST PART 1 */
/* Receive a pending send. */
CHECK_STEP(ipc_test_step, 1);
tag = seL4_Recv(data->ep1, &sender_badge);
/* As soon as the wait is performed, we should be preempted. */
/* Thread 3 will give us a chance to check our message. */
CHECK_STEP(ipc_test_step, 3);
CHECK_TESTCASE(result, seL4_MessageInfo_get_length(tag) == 20);
for (int i = 0; i < seL4_MessageInfo_get_length(tag); i++) {
CHECK_TESTCASE(result, seL4_GetMR(i) == i);
}
/* Now we bounce to allow thread 3 control again. */
seL4_MessageInfo_ptr_set_length(&tag, 0);
seL4_Call(data->ep0, tag);
/* TEST PART 2 */
/* Receive a send that is not yet pending. */
CHECK_STEP(ipc_test_step, 5);
tag = seL4_Recv(data->ep1, &sender_badge);
CHECK_STEP(ipc_test_step, 8);
CHECK_TESTCASE(result, seL4_MessageInfo_get_length(tag) == 19);
for (int i = 0; i < seL4_MessageInfo_get_length(tag); i++) {
CHECK_TESTCASE(result, seL4_GetMR(i) == i);
}
return result;
}
void init(){
printf("client-os: client os has started\n");
seL4_Word sender_badge;
seL4_MessageInfo_t tag;
seL4_Word msg,func_id;
printf("client-os:receiver...........\n");
tag = seL4_Recv(TEE_EP_CPTR,&sender_badge);
msg = seL4_GetMR(0);
printf("client-os: msg = %d \n",msg );
seL4_SetMR(0,3221);
seL4_ReplyRecv(TEE_EP_CPTR,tag,&sender_badge);
}
static inline seL4_Word
fault_handler_start(seL4_CPtr ep, seL4_CPtr done_ep, seL4_CPtr reply)
{
seL4_Word ip;
/* signal driver to convert us to passive and block */
if (config_set(CONFIG_KERNEL_RT)) {
api_nbsend_recv(done_ep, seL4_MessageInfo_new(0, 0, 0, 0), ep, NULL, reply);
ip = seL4_GetMR(0);
} else {
/* wait for first fault */
seL4_RecvWith1MR(ep, &ip, reply);
}
return ip;
}
static int
handle_syscall(vm_t* vm, seL4_Word length)
{
seL4_Word syscall, ip;
seL4_UserContext regs;
seL4_CPtr tcb;
int err;
syscall = seL4_GetMR(EXCEPT_IPC_SYS_MR_SYSCALL),
ip = seL4_GetMR(EXCEPT_IPC_SYS_MR_PC);
tcb = vm_get_tcb(vm);
err = seL4_TCB_ReadRegisters(tcb, false, 0, sizeof(regs) / sizeof(regs.pc), ®s);
assert(!err);
regs.pc += 4;
DSTRACE("Syscall %d from [%s]\n", syscall, vm->name);
switch (syscall) {
case 65:
sys_pa_to_ipa(vm, ®s);
break;
case 66:
sys_ipa_to_pa(vm, ®s);
break;
case 67:
sys_nop(vm, ®s);
break;
default:
printf("%sBad syscall from [%s]: scno "DFMT" at PC: 0x"XFMT"%s\n",
CERROR, vm->name, syscall, ip, CNORMAL);
return -1;
}
err = seL4_TCB_WriteRegisters(tcb, false, 0, sizeof(regs) / sizeof(regs.pc), ®s);
assert(!err);
return 0;
}
int stat (const char *path, stat_t *buf) {
seL4_MessageInfo_t msg;
if (!vfs_ep) {
vfs_ep = pawpaw_service_lookup ("svc_vfs");
}
struct pawpaw_share* share = pawpaw_share_new ();
if (!share) {
return -1;
}
memset (share->buf, 0, PAPAYA_IPC_PAGE_SIZE);
if (path && path[0] != '/') {
strcpy (share->buf, cwd);
int cwdlen = strlen (cwd);
if (cwdlen > 0 && cwd[cwdlen - 1] != '/') {
strcat (share->buf, "/");
}
strcat (share->buf, path);
/* XXX: check if buffer overflows */
} else {
strcpy (share->buf, path);
}
msg = seL4_MessageInfo_new (0, 0, 1, 2);
seL4_CPtr recv_cap = pawpaw_cspace_alloc_slot ();
if (!recv_cap) {
pawpaw_share_unmount (share);
return -1;
}
seL4_SetCapReceivePath (PAPAYA_ROOT_CNODE_SLOT, recv_cap, PAPAYA_CSPACE_DEPTH);
seL4_SetCap (0, share->cap);
seL4_SetMR (0, VFS_STAT);
seL4_SetMR (1, share->id);
seL4_Call (vfs_ep, msg);
int status = seL4_GetMR (0);
if (status == 0) {
memcpy (buf, share->buf, sizeof (stat_t));
}
pawpaw_share_unmount (share);
return status;
}
int start_ta(char *ta_name){
seL4_Word msg;
int arg_len = strlen(ta_name);
seL4_MessageInfo_t tag = seL4_MessageInfo_new(0, 0, 0, 2+arg_len);
seL4_SetTag(tag);
seL4_SetMR(0, START_TA_CMD);
printf("client-os: Calling TEE-CONTAINER to start TA \n");
seL4_Word *ptr = (seL4_Word*)ta_name;
for(int i=0;i < arg_len;++i){
seL4_SetMR(i+2,*ptr);
ptr++;
}
ptr = ta_name;
seL4_SetMR(1,arg_len);
seL4_Call(TEE_EP_CPTR,tag);
msg = seL4_GetMR(0);
return msg;
}
void handle_vm_fault(seL4_Word badge, int pid) {
seL4_CPtr reply_cap;
seL4_Word fault_vaddr = seL4_GetMR(1);
if (SOS_DEBUG) printf("handle_vm_fault, %p\n", (void *) fault_vaddr);
// Get the page of the fault address
fault_vaddr &= PAGE_MASK;
//dprintf(0, "Handling fault at: 0x%08x\n", fault_vaddr);
reply_cap = cspace_save_reply_cap(cur_cspace);
int err = map_if_valid(fault_vaddr, pid, handle_vm_fault_cb, NULL, reply_cap);
if (err == GUARD_PAGE_FAULT || err == UNKNOWN_REGION || err == NULL_DEREF) {
//kill the process as it has faulted invalid memory
kill_process(pid, pid, reply_cap);
}
if (SOS_DEBUG) printf("handle_vm_fault finished\n");
}
/*! @brief Process server IPC message handler.
Handles dispatching of all process server IPC messages. Calls each individual dispatcher until
the correct dispatcher for the message type has been found.
@param s The process server global state.
@param msg The process server recieved message info.
*/
static void
proc_server_handle_message(struct procserv_state *s, struct procserv_msg *msg)
{
int result;
int label = seL4_GetMR(0);
void *userptr = NULL;
(void) result;
/* Attempt to dispatch to procserv syscall dispatcher. */
if (check_dispatch_syscall(msg, &userptr) == DISPATCH_SUCCESS) {
result = rpc_sv_proc_dispatcher(userptr, label);
assert(result == DISPATCH_SUCCESS);
mem_syscall_postaction();
proc_syscall_postaction();
return;
}
/* Attempt to dispatch to VM fault dispatcher. */
if (check_dispatch_fault(msg, &userptr) == DISPATCH_SUCCESS) {
result = dispatch_vm_fault(msg, &userptr);
assert(result == DISPATCH_SUCCESS);
return;
}
/* Attempt to dispatch to RAM dataspace syscall dispatcher. */
if (check_dispatch_dataspace(msg, &userptr) == DISPATCH_SUCCESS) {
result = rpc_sv_data_dispatcher(userptr, label);
assert(result == DISPATCH_SUCCESS);
mem_syscall_postaction();
return;
}
/* Attempt to dispatch to nameserv syscall dispatcher. */
if (check_dispatch_nameserv(msg, &userptr) == DISPATCH_SUCCESS) {
result = rpc_sv_name_dispatcher(userptr, label);
assert(result == DISPATCH_SUCCESS);
return;
}
/* Unknown message. Block calling client indefinitely. */
dprintf("Unknown message (badge = %d msgInfo = %d syscall = 0x%x).\n",
msg->badge, seL4_MessageInfo_get_label(msg->message), label);
ROS_ERROR("Process server unknown message. ¯＼(º_o)/¯");
}
int
serial_server_kill(serial_client_context_t *conn) {
seL4_MessageInfo_t tag;
if (conn == NULL) {
return seL4_InvalidArgument;
}
seL4_SetMR(SSMSGREG_FUNC, FUNC_KILL_REQ);
tag = seL4_MessageInfo_new(0, 0, 0, SSMSGREG_KILL_REQ_END);
tag = seL4_Call(conn->badged_server_ep_cspath.capPtr, tag);
if (seL4_GetMR(SSMSGREG_FUNC) != FUNC_KILL_ACK) {
ZF_LOGE(SERSERVC"kill: Reply message was not a KILL_ACK as expected.");
return seL4_IllegalOperation;
}
return seL4_MessageInfo_get_label(tag);
}