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hw: don't use assert in Kernel::new_vm

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ref #1101
This commit is contained in:
Martin Stein 2014-03-17 01:42:34 +01:00 committed by Norman Feske
parent f8b4541e2b
commit 7bbabcf817
1 changed files with 18 additions and 13 deletions
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31
base-hw/src/core/kernel/thread.cc
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@ -884,21 +884,26 @@ void Thread::_call_bin_signal_receiver()
void Thread::_call_new_vm()
{
/* check permissions */
assert(_core());
/* dispatch arguments */
void * const allocator = (void * const)user_arg_1();
Genode::Cpu_state_modes * const state =
(Genode::Cpu_state_modes * const)user_arg_2();
Signal_context * const context =
Signal_context::pool()->object(user_arg_3());
assert(context);
/* create vm */
if (!_core()) {
PWRN("not entitled to create virtual machine");
user_arg_0(0);
return;
}
/* lookup signal context */
auto const context = Signal_context::pool()->object(user_arg_3());
if (!context) {
PWRN("failed to lookup signal context");
user_arg_0(0);
return;
}
/* create virtual machine */
typedef Genode::Cpu_state_modes Cpu_state_modes;
auto const allocator = reinterpret_cast<void *>(user_arg_1());
auto const state = reinterpret_cast<Cpu_state_modes *>(user_arg_2());
Vm * const vm = new (allocator) Vm(state, context);
/* return vm id */
user_arg_0((Call_ret)vm->id());
/* return kernel name of virtual machine */
user_arg_0(vm->id());
}