73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
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* (c) 2010 Adam Lackorzynski <adam@os.inf.tu-dresden.de>
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* economic rights: Technische Universität Dresden (Germany)
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*
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* This file is part of TUD:OS and distributed under the terms of the
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* GNU General Public License 2.
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* Please see the COPYING-GPL-2 file for details.
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*/
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#include <l4/vcpu/vcpu>
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#include <l4/re/util/kumem_alloc>
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#include <cstdio>
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#include <cstring>
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L4_CV void
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l4vcpu_print_state(l4_vcpu_state_t *vcpu,
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const char *prefix) L4_NOTHROW
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{
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printf("%svcpu=%p state=%x savedstate=%x label=%lx\n",
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prefix, vcpu, vcpu->state, vcpu->saved_state, vcpu->i.label);
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printf("%ssticky=%x user_task=%lx\n",
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prefix, vcpu->sticky_flags, vcpu->user_task << L4_CAP_SHIFT);
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printf("%sentry_sp=%lx entry_ip=%lx\n",
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prefix, vcpu->entry_sp, vcpu->entry_ip);
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l4vcpu_print_state_arch(vcpu, prefix);
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}
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static int
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do_l4vcpu_ext_alloc(L4vcpu::Vcpu **vcpu,
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l4_addr_t *ext_state,
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L4::Cap<L4::Task> task,
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L4::Cap<L4Re::Rm> rm) L4_NOTHROW
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{
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int r;
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l4_addr_t v;
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if ((r = L4Re::Util::kumem_alloc(&v, 0, task, rm)))
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return r;
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*vcpu = L4vcpu::Vcpu::cast(v);
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*ext_state = v + L4_VCPU_OFFSET_EXT_STATE;
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return 0;
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}
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L4_CV int
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l4vcpu_ext_alloc(l4_vcpu_state_t **vcpu, l4_addr_t *ext_state,
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l4_cap_idx_t task, l4_cap_idx_t regmgr) L4_NOTHROW
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{
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L4::Cap<L4::Task> t(task);
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L4::Cap<L4Re::Rm> r(regmgr);
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L4vcpu::Vcpu **v = reinterpret_cast<L4vcpu::Vcpu **>(vcpu);
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return do_l4vcpu_ext_alloc(v, ext_state, t, r);
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}
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L4_CV int
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L4vcpu::Vcpu::ext_alloc(Vcpu **vcpu,
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l4_addr_t *ext_state,
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L4::Cap<L4::Task> task,
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L4::Cap<L4Re::Rm> rm) throw()
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{
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return do_l4vcpu_ext_alloc(vcpu, ext_state, task, rm);
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}
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