resources.hpp

#if !defined(__RESOURCES_HPP__)
#define __RESOURCES_HPP__

//
// local includes
//
#include "core/machine/generic/resource_region.hpp"

struct resource_descriptor
{
    typedef detail::resource_region<l4_port_t> port_region;
    typedef detail::resource_region<l4_gpa_t> memory_region;

    static const uint8_t NUM_PORTS  = 4;

    static const uint8_t NUM_MEMORY = 1;

    static const uint8_t NUM_IRQS   = 2;

    const char *name;

    port_region ports[NUM_PORTS+1];

    memory_region memory[NUM_MEMORY+1];

    l4_irq_t irqs[NUM_IRQS+1];

    static const resource_descriptor *get(const string &name);

    static const resource_descriptor *get(const l4_port_t port);
};

struct pci_class_descriptor
{
    const char *name;

    uint32_t code;

    static const pci_class_descriptor *get(const string &name);

    static uint32_t get_code(const string &name);
};

struct pci_resource_descriptor
{
    const char *name;

    uint32_t class_code;

    const resource_descriptor *resources;

    static const pci_resource_descriptor *get(const string &name);
};

//
// internal resource get implementation
//
template <typename DescriptorT>
inline const DescriptorT *search_descriptor(const DescriptorT *descriptors, const string &name)
{
    for (const DescriptorT *descriptor=descriptors; descriptor->name; descriptor++)
        if (name == descriptor->name) return descriptor;
    return nullptr;
}

#endif

// ***** end of source ***** //