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#pragma once
#include "stream.hpp"
#include <cstdint>
namespace openpower
{
namespace pels
{
/**
* @class SectionHeader
*
* This header is at the start of every PEL section. It has a size
* of 8 bytes.
*/
struct SectionHeader
{
public:
/**
* @brief Constructor
*/
SectionHeader() : id(0), size(0), version(0), subType(0), componentID(0)
{
}
/**
* @brief Constructor
*
* @param[in] id - the ID field
* @param[in] size - the size field
* @param[in] version - the version field
* @param[in] subType - the sub-type field
* @param[in] componentID - the component ID field
*/
SectionHeader(uint16_t id, uint16_t size, uint8_t version, uint8_t subType,
uint16_t componentID) :
id(id),
size(size), version(version), subType(subType), componentID(componentID)
{
}
/**
* @brief A two character ASCII field which identifies the section type.
*/
uint16_t id;
/**
* @brief The size of the section in bytes, including this section header.
*/
uint16_t size;
/**
* @brief The section format version.
*/
uint8_t version;
/**
* @brief The section sub-type.
*/
uint8_t subType;
/**
* @brief The component ID, which has various meanings depending on the
* section.
*/
uint16_t componentID;
/**
* @brief Returns the size of header when flattened into a PEL.
*
* @return size_t - the size of the header
*/
static constexpr size_t flattenedSize()
{
return sizeof(id) + sizeof(size) + sizeof(version) + sizeof(subType) +
sizeof(componentID);
}
};
/**
* @brief Stream extraction operator for the SectionHeader
*
* @param[in] s - the stream
* @param[out] header - the SectionHeader object
*/
inline Stream& operator>>(Stream& s, SectionHeader& header)
{
s >> header.id >> header.size >> header.version >> header.subType >>
header.componentID;
return s;
}
/**
* @brief Stream insertion operator for the section header
*
* @param[out] s - the stream
* @param[in] header - the SectionHeader object
*/
inline Stream& operator<<(Stream& s, const SectionHeader& header)
{
s << header.id << header.size << header.version << header.subType
<< header.componentID;
return s;
}
} // namespace pels
} // namespace openpower
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