156 lines
4.4 KiB
C++
156 lines
4.4 KiB
C++
/*
|
|
* \brief OKL4 platform
|
|
* \author Norman Feske
|
|
* \date 2009-03-31
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2009-2017 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU Affero General Public License version 3.
|
|
*/
|
|
|
|
#ifndef _CORE__INCLUDE__PLATFORM_H_
|
|
#define _CORE__INCLUDE__PLATFORM_H_
|
|
|
|
/* Genode includes */
|
|
#include <base/heap.h>
|
|
|
|
/* core includes */
|
|
#include <platform_generic.h>
|
|
#include <platform_thread.h>
|
|
#include <platform_pd.h>
|
|
#include <core_region_map.h>
|
|
#include <core_mem_alloc.h>
|
|
|
|
/* base-internal includes */
|
|
#include <base/internal/capability_space.h>
|
|
|
|
/* OKL4 includes */
|
|
namespace Okl4 { extern "C" {
|
|
#include <bootinfo/bootinfo.h>
|
|
} }
|
|
|
|
namespace Genode {
|
|
|
|
class Platform : public Platform_generic
|
|
{
|
|
private:
|
|
|
|
/*
|
|
* Noncopyable
|
|
*/
|
|
Platform(Platform const &);
|
|
Platform &operator = (Platform const &);
|
|
|
|
using Rom_slab = Tslab<Rom_module, get_page_size()>;
|
|
using Thread_slab = Tslab<Platform_thread, get_page_size()>;
|
|
|
|
Platform_pd *_core_pd = nullptr; /* core protection domain */
|
|
Platform_thread *_core_pager = nullptr; /* pager for core threads */
|
|
Core_mem_allocator _core_mem_alloc { }; /* core-accessible memory */
|
|
Phys_allocator _io_mem_alloc; /* MMIO allocator */
|
|
Phys_allocator _io_port_alloc; /* I/O port allocator */
|
|
Phys_allocator _irq_alloc; /* IRQ allocator */
|
|
Rom_slab _rom_slab; /* slab for rom modules */
|
|
Rom_fs _rom_fs { }; /* ROM file system */
|
|
Thread_slab _thread_slab; /* slab for platform threads */
|
|
|
|
/*
|
|
* Virtual-memory range for non-core address spaces.
|
|
* The virtual memory layout of core is maintained in
|
|
* '_core_mem_alloc.virt_alloc()'.
|
|
*/
|
|
addr_t _vm_start = 0;
|
|
size_t _vm_size = 0;
|
|
|
|
/*
|
|
* Start of address range used for the UTCBs
|
|
*/
|
|
addr_t _utcb_base = 0;
|
|
|
|
void _init_rom_modules();
|
|
|
|
addr_t _rom_module_phys(addr_t virt) { return virt; }
|
|
|
|
public:
|
|
|
|
/**
|
|
* Constructor
|
|
*/
|
|
Platform();
|
|
|
|
/**
|
|
* Accessor for core pd object
|
|
*/
|
|
Platform_pd &core_pd()
|
|
{
|
|
if (_core_pd)
|
|
return *_core_pd;
|
|
|
|
ASSERT_NEVER_CALLED;
|
|
}
|
|
|
|
/**
|
|
* Accessor for core pager thread object
|
|
*/
|
|
Platform_thread &core_pager()
|
|
{
|
|
if (_core_pager)
|
|
return *_core_pager;
|
|
|
|
ASSERT_NEVER_CALLED;
|
|
}
|
|
|
|
/**
|
|
* Accessor for platform thread object slab allocator
|
|
*/
|
|
Thread_slab &thread_slab() { return _thread_slab; }
|
|
|
|
/**********************************************
|
|
** Callbacks used for parsing the boot info **
|
|
**********************************************/
|
|
|
|
static int bi_init_mem(Okl4::uintptr_t, Okl4::uintptr_t,
|
|
Okl4::uintptr_t, Okl4::uintptr_t,
|
|
const Okl4::bi_user_data_t *);
|
|
|
|
static int bi_add_virt_mem(Okl4::bi_name_t,
|
|
Okl4::uintptr_t, Okl4::uintptr_t,
|
|
const Okl4::bi_user_data_t *);
|
|
|
|
static int bi_add_phys_mem(Okl4::bi_name_t,
|
|
Okl4::uintptr_t, Okl4::uintptr_t,
|
|
const Okl4::bi_user_data_t *);
|
|
|
|
/********************************
|
|
** Generic platform interface **
|
|
********************************/
|
|
|
|
Range_allocator &ram_alloc() override { return _core_mem_alloc.phys_alloc(); }
|
|
Range_allocator &io_mem_alloc() override { return _io_mem_alloc; }
|
|
Range_allocator &io_port_alloc() override { return _io_port_alloc; }
|
|
Range_allocator &irq_alloc() override { return _irq_alloc; }
|
|
Range_allocator ®ion_alloc() override { return _core_mem_alloc.virt_alloc(); }
|
|
Range_allocator &core_mem_alloc() override { return _core_mem_alloc; }
|
|
addr_t vm_start() const override { return _vm_start; }
|
|
size_t vm_size() const override { return _vm_size; }
|
|
Rom_fs &rom_fs() override { return _rom_fs; }
|
|
size_t max_caps() const override { return Capability_space::max_caps(); }
|
|
|
|
void wait_for_exit() override;
|
|
|
|
bool supports_direct_unmap() const override { return true; }
|
|
|
|
|
|
/**************************************
|
|
** OKL4-specific platform interface **
|
|
**************************************/
|
|
|
|
addr_t utcb_base() { return _utcb_base; }
|
|
};
|
|
}
|
|
|
|
#endif /* _CORE__INCLUDE__PLATFORM_H_ */
|