101 lines
2.2 KiB
C++
101 lines
2.2 KiB
C++
/**
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* \brief Read-only memory modules
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* \author Christian Helmuth
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* \date 2006-05-15
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*/
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/*
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* Copyright (C) 2006-2012 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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#ifndef _CORE__INCLUDE__ROM_FS_H_
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#define _CORE__INCLUDE__ROM_FS_H_
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#include <base/stdint.h>
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#include <base/printf.h>
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#include <util/avl_tree.h>
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#include <util/avl_string.h>
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namespace Genode {
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/**
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* Convert module command line to module base name
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*
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* The conversion is performed in place. The returned
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* pointer refers to a substring of the 'name' argument.
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*/
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inline char *commandline_to_basename(char *name)
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{
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for (char *c = name; *c != 0; c++) {
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if (*c == '/') name = c + 1;
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if (*c == ' ') {
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*c = 0;
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break;
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}
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}
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return name;
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}
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class Rom_module : public Avl_string_base
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{
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private:
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/* Location of module in memory and size */
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addr_t _addr;
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size_t _size;
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public:
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/** Standard constructor creates invalid object */
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Rom_module()
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: Avl_string_base(0), _addr(0), _size(0) { }
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Rom_module(addr_t addr, size_t size, const char *name)
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: Avl_string_base(name), _addr(addr), _size(size) { }
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/** Check validity */
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bool valid() { return _size ? true : false; }
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/** Accessor functions */
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addr_t addr() const { return _addr; }
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size_t size() const { return _size; }
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};
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class Rom_fs : public Avl_tree<Avl_string_base>
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{
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public:
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Rom_module * find(const char *name)
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{
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return first() ? (Rom_module *)first()->find_by_name(name) : 0;
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}
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/* DEBUG */
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void print_fs(Rom_module *r = 0)
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{
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if (!r) {
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Rom_module *first_module = (Rom_module *)first();
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if (first_module) {
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printf("Rom_fs %p dump:\n", this);
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print_fs(first_module);
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} else {
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printf("No modules in Rom_fs %p\n", this);
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}
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} else {
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Rom_module *child;
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printf(" Rom: [%08lx,%08lx) %s\n",
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r->addr(), r->addr() + r->size(), r->name());
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if ((child = (Rom_module *)r->child(Rom_module::LEFT))) print_fs(child);
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if ((child = (Rom_module *)r->child(Rom_module::RIGHT))) print_fs(child);
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}
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}
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};
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}
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#endif /* _CORE__INCLUDE__ROM_FS_H_ */
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