diff options
Diffstat (limited to 'common/uapi/dispatch.c')
| -rw-r--r-- | common/uapi/dispatch.c | 64 |
1 files changed, 43 insertions, 21 deletions
diff --git a/common/uapi/dispatch.c b/common/uapi/dispatch.c index 2cf19fb..30f29b3 100644 --- a/common/uapi/dispatch.c +++ b/common/uapi/dispatch.c @@ -63,7 +63,9 @@ static const sys_t syscall_table[] = { * * @return \ref OK and \c 0. */ -SYSCALL_DEFINE0(noop)(){ +SYSCALL_DEFINE0(noop)(struct tcb *t) +{ + UNUSED(t); info("sys_noop\n"); return SYS_RET1(OK); } @@ -74,7 +76,10 @@ SYSCALL_DEFINE0(noop)(){ * @param a Character to put. * @return \ref OK and 0. */ -SYSCALL_DEFINE1(putch)(sys_arg_t a){ +SYSCALL_DEFINE1(putch)(struct tcb *t, sys_arg_t a) +{ + UNUSED(t); + const char c[2] = {a, 0}; MAYBE_UNUSED(c); dbg((const char *)&c); @@ -82,31 +87,48 @@ SYSCALL_DEFINE1(putch)(sys_arg_t a){ } struct sys_ret handle_syscall(struct tcb *t, - sys_arg_t syscall, sys_arg_t a, sys_arg_t b, - sys_arg_t c, sys_arg_t d, sys_arg_t e) + sys_arg_t syscall, sys_arg_t a, sys_arg_t b, + sys_arg_t c, sys_arg_t d, sys_arg_t e) { adjust_syscall(t); - size_t sc = syscall; - if (sc >= ARRAY_SIZE(syscall_table)) { - error("Syscall %zu outside allowed range [0 - %zu]\n", sc, - ARRAY_SIZE(syscall_table)); - return SYS_RET1(ERR_INVAL); - } - - sys_t call = syscall_table[sc]; - if (!call) { - error("Syscall %zu not legitimate value\n", sc); - return SYS_RET1(ERR_INVAL); - } - - struct sys_ret r = call(a, b, c, d, e); + struct sys_ret r; + switch (syscall) { + case SYS_NOOP: r = sys_noop(t, a, b, c, d, e); break; + case SYS_PUTCH: r = sys_putch(t, a, b, c, d, e); break; + case SYS_REQ_MEM: r = sys_req_mem(t, a, b, c, d, e); break; + case SYS_REQ_PMEM: r = sys_req_pmem(t, a, b, c, d, e); break; + case SYS_REQ_FIXMEM: r = sys_req_fixmem(t, a, b, c, d, e); break; + case SYS_FREE_MEM: r = sys_free_mem(t, a, b, c, d, e); break; + case SYS_TIMEBASE: r = sys_timebase(t, a, b, c, d, e); break; + case SYS_TICKS: r = sys_ticks(t, a, b, c, d, e); break; + case SYS_REQ_REL_TIMER: r = sys_req_rel_timer(t, a, b, c, d, e); break; + case SYS_REQ_ABS_TIMER: r = sys_req_abs_timer(t, a, b, c, d, e); break; + case SYS_IPC_SERVER: r = sys_ipc_server(t, a, b, c, d, e); break; + case SYS_IPC_REQ: r = sys_ipc_req(t, a, b, c, d, e); break; + case SYS_IPC_FWD: r = sys_ipc_fwd(t, a, b, c, d, e); break; + case SYS_IPC_RESP: r = sys_ipc_resp(t, a, b, c, d, e); break; + case SYS_IPC_NOTIFY: r = sys_ipc_notify(t, a, b, c, d, e); break; + case SYS_CREATE: r = sys_create(t, a, b, c, d, e); break; + case SYS_FORK: r = sys_fork(t, a, b, c, d, e); break; + case SYS_EXEC: r = sys_exec(t, a, b, c, d, e); break; + case SYS_SPAWN: r = sys_spawn(t, a, b, c, d, e); break; + case SYS_KILL: r = sys_kill(t, a, b, c, d, e); break; + case SYS_SWAP: r = sys_swap(t, a, b, c, d, e); break; + case SYS_CONF_SET: r = sys_conf_set(t, a, b, c, d, e); break; + case SYS_CONF_GET: r = sys_conf_get(t, a, b, c, d, e); break; + case SYS_SET_CAP: r = sys_set_cap(t, a, b, c, d, e); break; + case SYS_GET_CAP: r = sys_get_cap(t, a, b, c, d, e); break; + case SYS_CLEAR_CAP: r = sys_clear_cap(t, a, b, c, d, e); break; + case SYS_POWEROFF: r = sys_poweroff(t, a, b, c, d, e); break; + default: + error("Syscall %zu outside allowed range [0 - %i]\n", syscall, + SYS_NUM - 1); + r = SYS_RET1(ERR_INVAL); + }; if (check_canary(t)) { bug("Syscall %zu overwrote stack canary\n", syscall); - /** @todo should probably halt, as the system is likely in an - * unstable state. */ - return SYS_RET1(ERR_INT); } return r; |