// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
/*stone's solution for lab3-B*/
int32_t ret = -E_INVAL;
switch (syscallno){
case SYS_cputs:
sys_cputs((char*)a1, a2);
ret = 0;
break;
case SYS_cgetc:
ret = sys_cgetc();
break;
case SYS_getenvid:
ret = sys_getenvid();
break;
case SYS_env_destroy:
ret = sys_env_destroy(a1);
break;
case SYS_map_kernel_page:
ret = sys_map_kernel_page((void*)a1, (void*)a2);
break;
case SYS_sbrk:
ret = sys_sbrk(a1);
break;
default:
break;
}
return ret;
//panic("syscall not implemented");
}
// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
int32_t ret = -E_INVAL;
switch(syscallno) {
case SYS_cputs:
sys_cputs((char *)a1, a2);
break;
case SYS_cgetc:
ret = sys_cgetc();
break;
case SYS_getenvid:
ret = sys_getenvid();
break;
case SYS_env_destroy:
ret = sys_env_destroy(a1);
break;
case SYS_yield:
sys_yield();
ret = 0;
break;
case SYS_map_kernel_page:
ret = sys_map_kernel_page((void *)a1, (void *)a2);
break;
case SYS_sbrk:
ret = sys_sbrk(a1);
break;
case SYS_exofork:
ret = sys_exofork();
break;
case SYS_env_set_status:
ret = sys_env_set_status(a1,a2);
break;
case SYS_page_alloc:
ret = sys_page_alloc(a1,(void*)a2,a3);
break;
case SYS_page_map:
ret = sys_page_map(a1,(void*)a2,a3,(void*)a4,a5);
break;
case SYS_page_unmap:
ret = sys_page_unmap(a1,(void*)a2);
break;
case SYS_env_set_pgfault_upcall:
ret = sys_env_set_pgfault_upcall(a1,(void*)a2);
break;
case SYS_ipc_try_send:
ret = sys_ipc_try_send(a1,a2,(void*)a3,a4);
break;
case SYS_ipc_recv:
ret = sys_ipc_recv((void*)a1);
}
return ret;
// panic("syscall not implemented");
}
// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
switch (syscallno){
case SYS_getenvid:
return sys_getenvid();
case SYS_cputs:
sys_cputs((const char*)a1, a2);
return 0;
case SYS_cgetc:
return sys_cgetc();
case SYS_env_destroy:
return sys_env_destroy(a1);
case SYS_map_kernel_page:
return sys_map_kernel_page((void*)a1, (void*)a2);
case SYS_sbrk:
return sys_sbrk(a1);
case SYS_yield:
sys_yield();
return 0;
case SYS_exofork:
return sys_exofork();
case SYS_env_set_status:
return sys_env_set_status((envid_t)a1, (int)a2);
case SYS_page_alloc:
return sys_page_alloc((envid_t)a1, (void *)a2,
(int)a3);
case SYS_page_map:
return sys_page_map((envid_t)*((uint32_t*)a1),
(void*)*((uint32_t*)a1+1),
(envid_t)*((uint32_t*)a1+2),
(void*)*((uint32_t*)a1+3),
(int)*((uint32_t*)a1+4));
case SYS_page_unmap:
return sys_page_unmap((envid_t)a1, (void*)a2);
case SYS_env_set_priority:
return sys_env_set_priority((envid_t)a1, (int) a2);
case SYS_env_set_pgfault_upcall:
return sys_env_set_pgfault_upcall((envid_t)a1,
(void*)a2);
case SYS_ipc_recv:
return sys_ipc_recv((void*)a1);
case SYS_ipc_try_send:
return sys_ipc_try_send((envid_t)a1, a2,
(void*)a3, (int)a4);
default:
return -E_INVAL;
}
}
// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
//cprintf("syscallno is %d\n",syscallno);
switch (syscallno){
case SYS_getenvid:
//cprintf("in kernel SYS_getenvid!\n");
return sys_getenvid();
case SYS_cputs:
//cprintf("in kernel SYS_cputs!\n");
sys_cputs((const char*) a1,a2);
return 0;
case SYS_cgetc:
//cprintf("in kernel SYS_cgetc!\n");
return sys_cgetc();
case SYS_env_destroy:
//cprintf("in kernel SYS_env_destroy!\n");
return sys_env_destroy(a1);
case SYS_map_kernel_page:
//cprintf("in kernel SYS_map_kernel_page!\n");
return sys_map_kernel_page((void *)a1, (void *)a2);
case SYS_yield:
//cprintf("in kernel SYS_yield!\n");
//unlock_kernel();
sys_yield();
return 0;
case SYS_page_alloc:
//cprintf("in kernel SYS_page_alloc!\n");
//cprintf("in kern sys_page_alloc!\n");
return sys_page_alloc((envid_t) a1, (void *) a2, (int) a3);
case SYS_page_map:
//cprintf("in kernel SYS_page_map!\n");
//cprintf("in kern sys_page_map!\n");
//cprintf("in kern get arglist is %p\n",a1);
//cprintf("value of a1 is %p\n",*((uint32_t *)a1+1));
return sys_page_map((envid_t) *((uint32_t *)a1), (void *) *((uint32_t *)a1+1),
(envid_t) *((uint32_t *)a1+2), (void *) *((uint32_t *)a1+3), (int) *((uint32_t *)a1+4));
case SYS_page_unmap:
//cprintf("in kernel SYS_page_unmap!\n");
//cprintf("in kern sys_page_unmap!\n");
return sys_page_unmap((envid_t) a1, (void *) a2);
case SYS_exofork:
//cprintf("in kernel SYS_exofork!\n");
//cprintf("in kern sys_exofork!\n");
return sys_exofork();
case SYS_env_set_status:
//cprintf("in kernel SYS_env_set_status!\n");
//cprintf("in kern sys_env_set_status!\n");
//cprintf("syscall in envid %p status %p\n",a1,a2);
return sys_env_set_status((envid_t) a1, (int) a2);
case SYS_env_set_pgfault_upcall:
//cprintf("in kernel SYS_env_set_pgfault_upcall!\n");
return sys_env_set_pgfault_upcall((envid_t) a1, (void *) a2);
case SYS_ipc_recv:
//cprintf("in syscall recive!\n");
return sys_ipc_recv((void*)a1);
case SYS_ipc_try_send:
//cprintf("in syscall send!\n");
return sys_ipc_try_send((envid_t)a1,a2,(void*)a3,(int)a4);
case SYS_proc_save:
return sys_proc_save((envid_t)a1,(struct proc *)a2);
case SYS_proc_resume:
return sys_proc_resume((envid_t)a1,(struct proc*)a2);
default:
return -E_INVAL;
}
// panic("syscall not implemented");
}
// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
/*stone's solution for lab3-B*/
int32_t ret = -E_INVAL;
switch (syscallno){
case SYS_cputs:
sys_cputs((char*)a1, a2);
ret = 0;
break;
case SYS_cgetc:
ret = sys_cgetc();
break;
case SYS_getenvid:
ret = sys_getenvid();
break;
case SYS_env_destroy:
ret = sys_env_destroy(a1);
break;
case SYS_map_kernel_page:
ret = sys_map_kernel_page((void*)a1, (void*)a2);
break;
case SYS_sbrk:
ret = sys_sbrk(a1);
break;
/*stone's solution for lab4-A*/
case SYS_yield:
sys_yield();
ret = 0;
break;
case SYS_exofork:
ret = sys_exofork();
break;
case SYS_env_set_status:
ret = sys_env_set_status(a1, a2);
break;
case SYS_env_set_pgfault_upcall:
ret = sys_env_set_pgfault_upcall((envid_t)a1, (void*)a2);
break;
case SYS_page_alloc:
ret = sys_page_alloc((envid_t)a1, (void*)a2, (int)a3);
break;
case SYS_page_map:
/*stone: see lib/syscall.c for modification details*/
ret = sys_page_map(*((uint32_t*)a1), (void*)*((uint32_t*)a1 + 1), *((uint32_t*)a1 + 2), (void*)*((uint32_t*)a1 + 3), *((uint32_t*)a1 + 4));
//ret = sys_page_map(a1, (void*)a2, a3, (void*)a4, a5);
break;
case SYS_page_unmap:
ret = sys_page_unmap(a1, (void*)a2);
break;
case SYS_ipc_recv:
ret = sys_ipc_recv((void*)a1);
break;
case SYS_ipc_try_send:
ret = sys_ipc_try_send((envid_t)a1, a2, (void*)a3, (int)a4);
break;
case SYS_env_set_trapframe:
ret = sys_env_set_trapframe((envid_t)a1, (struct Trapframe*)a2);
break;
default:
break;
}
return ret;
//panic("syscall not implemented");
}
// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
int32_t res;
a5 = syscallno >> 8;
syscallno -= (a5<<8);
//if(a5!=0)cprintf("syscallno %d %x %x\n",syscallno,a1,a5);
switch(syscallno)
{
case SYS_cputs:
sys_cputs((const char*)a1,(size_t)a2);
res = 0;
break;
case SYS_cgetc:
res = sys_cgetc();
break;
case SYS_getenvid:
res = sys_getenvid();
break;
case SYS_env_destroy:
res = sys_env_destroy(a1);
break;
case SYS_map_kernel_page:
res = sys_map_kernel_page((void*)a1,(void*)a2);
break;
case SYS_yield:
res = 0;
sys_yield();
break;
case SYS_exofork:
res = sys_exofork();
break;
case SYS_env_set_status:
res = sys_env_set_status(a1,a2);
break;
case SYS_page_alloc:
res = sys_page_alloc(a1,(void*)a2,a3);
break;
case SYS_page_map:
res = sys_page_map(a1,(void*)a2,a3,(void*)a4,(int)a5);
break;
case SYS_page_unmap:
res = sys_page_unmap(a1,(void*)a2);
break;
case SYS_env_set_pgfault_upcall:
res = sys_env_set_pgfault_upcall(a1,(void*)a2);
break;
case SYS_ipc_try_send:
res = sys_ipc_try_send(a1,a2,(void*)a3,a4);
break;
case SYS_ipc_recv:
res = sys_ipc_recv((void*)a1);
break;
case NSYSCALLS:
default:
res = -E_INVAL;
}
//cprintf("res %x\n",res);
return res;
}