175 lines
3.0 KiB
C++
175 lines
3.0 KiB
C++
/*
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* \brief Environment expected by the Vancouver code
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* \author Norman Feske
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* \date 2011-11-18
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*/
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/*
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* Copyright (C) 2011-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/printf.h>
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#include <base/env.h>
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#include <base/sleep.h>
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#include <base/thread.h>
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/* VMM utils */
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#include <vmm/utcb_guard.h>
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/* NOVA userland includes */
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#include <service/logging.h>
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#include <service/memory.h>
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enum { verbose_memory_leak = false };
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Genode::Lock *printf_lock()
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{
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static Genode::Lock inst;
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return &inst;
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}
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typedef Vmm::Utcb_guard::Utcb_backup Utcb_backup;
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static Utcb_backup utcb_backup;
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void Logging::printf(const char *format, ...)
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{
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va_list list;
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va_start(list, format);
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Genode::Lock::Guard guard(*printf_lock());
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utcb_backup = *(Utcb_backup *)Genode::Thread_base::myself()->utcb();
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Genode::printf("VMM: ");
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Genode::vprintf(format, list);
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*(Utcb_backup *)Genode::Thread_base::myself()->utcb() = utcb_backup;
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va_end(list);
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}
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void Logging::vprintf(const char *format, va_list &ap)
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{
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Genode::Lock::Guard guard(*printf_lock());
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utcb_backup = *(Utcb_backup *)Genode::Thread_base::myself()->utcb();
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Genode::printf("VMM: ");
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Genode::printf(format);
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PWRN("Logging::vprintf not implemented");
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*(Utcb_backup *)Genode::Thread_base::myself()->utcb() = utcb_backup;
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}
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void Logging::panic(const char *format, ...)
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{
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va_list list;
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va_start(list, format);
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Genode::printf("\nVMM PANIC! ");
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Genode::vprintf(format, list);
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Genode::printf("\n");
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va_end(list);
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for (;;)
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Genode::sleep_forever();
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}
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static void *heap_alloc(size_t size)
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{
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void *res = Genode::env()->heap()->alloc(size);
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if (res)
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return res;
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PERR("out of memory");
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Genode::sleep_forever();
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}
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static void heap_free(void * ptr)
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{
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if (Genode::env()->heap()->need_size_for_free()) {
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PWRN("leaking memory");
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return;
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}
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Genode::env()->heap()->free(ptr, 0);
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}
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void *operator new[](size_t size)
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{
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void * addr = heap_alloc(size);
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if (addr)
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Genode::memset(addr, 0, size);
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return addr;
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}
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void *operator new[](size_t size, Aligned const alignment)
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{
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size_t align = alignment.alignment;
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void *res = heap_alloc(size + align);
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if (res)
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Genode::memset(res, 0, size + align);
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void *aligned_res = (void *)(((Genode::addr_t)res & ~(align - 1)) + align);
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return aligned_res;
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}
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void *operator new (size_t size)
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{
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void * addr = heap_alloc(size);
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if (addr)
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Genode::memset(addr, 0, size);
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return addr;
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}
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void operator delete[](void *ptr)
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{
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if (verbose_memory_leak)
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PWRN("delete[] not implemented");
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}
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void operator delete (void * ptr)
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{
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heap_free(ptr);
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}
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void do_exit(char const *msg)
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{
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Genode::printf("*** ");
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Genode::printf(msg);
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Genode::printf("\n");
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Genode::sleep_forever();
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}
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char __param_table_start;
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char __param_table_end;
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/* parameter support */
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#include <service/params.h>
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Genode::Fifo<Parameter> &Parameter::all_parameters()
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{
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static Genode::Fifo<Parameter> _all_parameters;
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return _all_parameters;
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}
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// EOF
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