diff options
Diffstat (limited to 'src/systemc/tlm_core/tlm_2/tlm_generic_payload/tlm_gp.cpp')
| -rw-r--r-- | src/systemc/tlm_core/tlm_2/tlm_generic_payload/tlm_gp.cpp | 372 |
1 files changed, 180 insertions, 192 deletions
diff --git a/src/systemc/tlm_core/tlm_2/tlm_generic_payload/tlm_gp.cpp b/src/systemc/tlm_core/tlm_2/tlm_generic_payload/tlm_gp.cpp index 6843db312..ff3c92bd9 100644 --- a/src/systemc/tlm_core/tlm_2/tlm_generic_payload/tlm_gp.cpp +++ b/src/systemc/tlm_core/tlm_2/tlm_generic_payload/tlm_gp.cpp @@ -17,68 +17,79 @@ *****************************************************************************/ -#include "tlm_core/tlm_2/tlm_generic_payload/tlm_gp.h" -#include "sysc/utils/sc_typeindex.h" // sc_typeindex - -#include <map> #include <cstring> // std::memcpy et.al. +#include <map> +#include <systemc> +#include <tlm> using sc_core::sc_type_index; -namespace tlm { +namespace tlm +{ -template class SC_API tlm_array<tlm_extension_base*>; +template class tlm_array<tlm_extension_base *>; //--------------------------------------------------------------------------- // Classes for the extension mechanism //--------------------------------------------------------------------------- -/* anonymous */ namespace { +namespace +{ + class tlm_extension_registry { typedef unsigned int key_type; typedef std::map<sc_core::sc_type_index, key_type> type_map; -public: - static tlm_extension_registry& instance() + public: + static tlm_extension_registry & + instance() { - if (!instance_) // don't cleanup registry + if (!instance_) { + // Don't cleanup registry. instance_ = new tlm_extension_registry(); + } return *instance_; } - unsigned int register_extension(sc_type_index type) + unsigned int + register_extension(sc_type_index type) { - type_map::const_iterator it = ids_.find( type ); + type_map::const_iterator it = ids_.find(type); - if( it == ids_.end() ) { // new extension - generate/store ID - type_map::value_type v( type, static_cast<key_type>(ids_.size()) ); - ids_.insert( v ); + if (it == ids_.end()) { + // New extension - generate/store ID. + type_map::value_type v(type, static_cast<key_type>(ids_.size())); + ids_.insert(v); return v.second; } return it->second; } - static unsigned int max_num_extensions() - { return (instance_) ? instance().ids_.size() : 0; } + static unsigned int + max_num_extensions() + { + return (instance_) ? instance().ids_.size() : 0; + } -private: - static tlm_extension_registry* instance_; + private: + static tlm_extension_registry *instance_; type_map ids_; - tlm_extension_registry() /* = default */ {} + tlm_extension_registry() {} -}; // class tlm_extension_registry +}; -tlm_extension_registry* tlm_extension_registry::instance_ = NULL; +tlm_extension_registry *tlm_extension_registry::instance_ = NULL; -} // anonymous namespace +} // anonymous namespace -unsigned int max_num_extensions() +unsigned int +max_num_extensions() { return tlm_extension_registry::max_num_extensions(); } unsigned int -tlm_extension_base::register_extension(const std::type_info& type) +tlm_extension_base::register_extension(const std::type_info &type) { return tlm_extension_registry::instance().register_extension(type); } @@ -87,203 +98,174 @@ tlm_extension_base::register_extension(const std::type_info& type) // The generic payload class: //--------------------------------------------------------------------------- -//--------------- -// Constructors -//--------------- - -// Default constructor -tlm_generic_payload::tlm_generic_payload() - : m_address(0) - , m_command(TLM_IGNORE_COMMAND) - , m_data(0) - , m_length(0) - , m_response_status(TLM_INCOMPLETE_RESPONSE) - , m_dmi(false) - , m_byte_enable(0) - , m_byte_enable_length(0) - , m_streaming_width(0) - , m_gp_option(TLM_MIN_PAYLOAD) - , m_extensions(max_num_extensions()) - , m_mm(0) - , m_ref_count(0) +tlm_generic_payload::tlm_generic_payload() : m_address(0), + m_command(TLM_IGNORE_COMMAND), m_data(0), m_length(0), + m_response_status(TLM_INCOMPLETE_RESPONSE), m_dmi(false), m_byte_enable(0), + m_byte_enable_length(0), m_streaming_width(0), + m_gp_option(TLM_MIN_PAYLOAD), m_extensions(max_num_extensions()), m_mm(0), + m_ref_count(0) {} -tlm_generic_payload::tlm_generic_payload(tlm_mm_interface* mm) - : m_address(0) - , m_command(TLM_IGNORE_COMMAND) - , m_data(0) - , m_length(0) - , m_response_status(TLM_INCOMPLETE_RESPONSE) - , m_dmi(false) - , m_byte_enable(0) - , m_byte_enable_length(0) - , m_streaming_width(0) - , m_gp_option(TLM_MIN_PAYLOAD) - , m_extensions(max_num_extensions()) - , m_mm(mm) - , m_ref_count(0) +tlm_generic_payload::tlm_generic_payload(tlm_mm_interface *mm): m_address(0), + m_command(TLM_IGNORE_COMMAND), m_data(0), m_length(0), + m_response_status(TLM_INCOMPLETE_RESPONSE), m_dmi(false), m_byte_enable(0), + m_byte_enable_length(0), m_streaming_width(0), + m_gp_option(TLM_MIN_PAYLOAD), m_extensions(max_num_extensions()), m_mm(mm), + m_ref_count(0) {} - -void tlm_generic_payload::reset() { - //should the other members be reset too? +void +tlm_generic_payload::reset() +{ + // Should the other members be reset too? m_gp_option = TLM_MIN_PAYLOAD; m_extensions.free_entire_cache(); }; - -// non-virtual deep-copying of the object +// Non-virtual deep-copying of the object. void -tlm_generic_payload::deep_copy_from(const tlm_generic_payload & other) +tlm_generic_payload::deep_copy_from(const tlm_generic_payload &other) { - m_command = other.get_command(); - m_address = other.get_address(); - m_length = other.get_data_length(); - m_response_status = other.get_response_status(); + m_command = other.get_command(); + m_address = other.get_address(); + m_length = other.get_data_length(); + m_response_status = other.get_response_status(); m_byte_enable_length = other.get_byte_enable_length(); - m_streaming_width = other.get_streaming_width(); - m_gp_option = other.get_gp_option(); - m_dmi = other.is_dmi_allowed(); + m_streaming_width = other.get_streaming_width(); + m_gp_option = other.get_gp_option(); + m_dmi = other.is_dmi_allowed(); - // deep copy data - // there must be enough space in the target transaction! - if(m_data && other.m_data) - { + // Deep copy data. + // There must be enough space in the target transaction! + if (m_data && other.m_data) { std::memcpy(m_data, other.m_data, m_length); } - // deep copy byte enables - // there must be enough space in the target transaction! - if(m_byte_enable && other.m_byte_enable) - { + // Deep copy byte enables. + // There must be enough space in the target transaction! + if (m_byte_enable && other.m_byte_enable) { std::memcpy(m_byte_enable, other.m_byte_enable, m_byte_enable_length); } - // deep copy extensions (sticky and non-sticky) - if(m_extensions.size() < other.m_extensions.size()) { + // Deep copy extensions (sticky and non-sticky). + if (m_extensions.size() < other.m_extensions.size()) { m_extensions.expand(other.m_extensions.size()); } - for(unsigned int i=0; i<other.m_extensions.size(); i++) - { - if(other.m_extensions[i]) - { //original has extension i - if(!m_extensions[i]) - { //We don't: clone. + for (unsigned int i = 0; i < other.m_extensions.size(); i++) { + if (other.m_extensions[i]) { + // Original has extension i. + if (!m_extensions[i]) { + // We don't: clone. tlm_extension_base *ext = other.m_extensions[i]->clone(); - if(ext) //extension may not be clonable. - { - if(has_mm()) - { //mm can take care of removing cloned extensions + if (ext) { // Extension may not be clonable. + if (has_mm()) { + // mm can take care of removing cloned extensions. set_auto_extension(i, ext); - } - else - { // no mm, user will call free_all_extensions(). + } else { + // no mm, user will call free_all_extensions(). set_extension(i, ext); } } - } - else - { //We already have such extension. Copy original over it. + } else { + // We already have such extension. Copy original over it. m_extensions[i]->copy_from(*other.m_extensions[i]); } } } } -// To update the state of the original generic payload from a deep copy -// Assumes that "other" was created from the original by calling deep_copy_from -// Argument use_byte_enable_on_read determines whether to use or ignores byte enables -// when copying back the data array on a read command +// To update the state of the original generic payload from a deep copy. +// Assumes that "other" was created from the original by calling +// deep_copy_from. Argument use_byte_enable_on_read determines whether to use +// or ignores byte enables when copying back the data array on a read command. void -tlm_generic_payload::update_original_from(const tlm_generic_payload & other, - bool use_byte_enable_on_read) +tlm_generic_payload::update_original_from( + const tlm_generic_payload &other, bool use_byte_enable_on_read) { - // Copy back extensions that are present on the original + // Copy back extensions that are present on the original. update_extensions_from(other); - // Copy back the response status and DMI hint attributes + // Copy back the response status and DMI hint attributes. m_response_status = other.get_response_status(); - m_dmi = other.is_dmi_allowed(); - - // Copy back the data array for a read command only - // deep_copy_from allowed null pointers, and so will we - // We assume the arrays are the same size - // We test for equal pointers in case the original and the copy share the same array - - if(is_read() && m_data && other.m_data && m_data != other.m_data) - { - if (m_byte_enable && use_byte_enable_on_read) - { - if (m_byte_enable_length == 8 && m_length % 8 == 0 ) - { - // Optimized implementation copies 64-bit words by masking - for (unsigned int i = 0; i < m_length; i += 8) - { - typedef sc_dt::uint64* u; - *reinterpret_cast<u>(&m_data[i]) &= ~*reinterpret_cast<u>(m_byte_enable); - *reinterpret_cast<u>(&m_data[i]) |= *reinterpret_cast<u>(&other.m_data[i]) & - *reinterpret_cast<u>(m_byte_enable); + m_dmi = other.is_dmi_allowed(); + + // Copy back the data array for a read command only deep_copy_from allowed + // null pointers, and so will we. + // We assume the arrays are the same size. + // We test for equal pointers in case the original and the copy share the + // same array. + + if (is_read() && m_data && other.m_data && m_data != other.m_data) { + if (m_byte_enable && use_byte_enable_on_read) { + if (m_byte_enable_length == 8 && m_length % 8 == 0) { + // Optimized implementation copies 64-bit words by masking. + for (unsigned int i = 0; i < m_length; i += 8) { + typedef sc_dt::uint64 *u; + *reinterpret_cast<u>(&m_data[i]) &= + ~*reinterpret_cast<u>(m_byte_enable); + *reinterpret_cast<u>(&m_data[i]) |= + *reinterpret_cast<u>(&other.m_data[i]) & + *reinterpret_cast<u>(m_byte_enable); } - } - else if (m_byte_enable_length == 4 && m_length % 4 == 0 ) - { - // Optimized implementation copies 32-bit words by masking - for (unsigned int i = 0; i < m_length; i += 4) - { - typedef unsigned int* u; - *reinterpret_cast<u>(&m_data[i]) &= ~*reinterpret_cast<u>(m_byte_enable); - *reinterpret_cast<u>(&m_data[i]) |= *reinterpret_cast<u>(&other.m_data[i]) & - *reinterpret_cast<u>(m_byte_enable); + } else if (m_byte_enable_length == 4 && m_length % 4 == 0) { + // Optimized implementation copies 32-bit words by masking. + for (unsigned int i = 0; i < m_length; i += 4) { + typedef unsigned int *u; + *reinterpret_cast<u>(&m_data[i]) &= + ~*reinterpret_cast<u>(m_byte_enable); + *reinterpret_cast<u>(&m_data[i]) |= + *reinterpret_cast<u>(&other.m_data[i]) & + *reinterpret_cast<u>(m_byte_enable); } - } - else - // Unoptimized implementation - for (unsigned int i = 0; i < m_length; i++) - if ( m_byte_enable[i % m_byte_enable_length] ) + } else { + // Unoptimized implementation. + for (unsigned int i = 0; i < m_length; i++) { + if (m_byte_enable[i % m_byte_enable_length]) m_data[i] = other.m_data[i]; + } + } + } else { + std::memcpy(m_data, other.m_data, m_length); } - else - std::memcpy(m_data, other.m_data, m_length); } } void -tlm_generic_payload::update_extensions_from(const tlm_generic_payload & other) +tlm_generic_payload::update_extensions_from(const tlm_generic_payload &other) { - // deep copy extensions that are already present + // Deep copy extensions that are already present. sc_assert(m_extensions.size() <= other.m_extensions.size()); - for(unsigned int i=0; i<m_extensions.size(); i++) - { - if(other.m_extensions[i]) - { //original has extension i - if(m_extensions[i]) - { //We have it too. copy. + for (unsigned int i = 0; i < m_extensions.size(); i++) { + if (other.m_extensions[i]) { + // Original has extension i. + if (m_extensions[i]) { + // We have it too. Copy. m_extensions[i]->copy_from(*other.m_extensions[i]); } } } } -// Free all extensions. Useful when reusing a cloned transaction that doesn't have memory manager. -// normal and sticky extensions are freed and extension array cleared. -void tlm_generic_payload::free_all_extensions() +// Free all extensions. Useful when reusing a cloned transaction that doesn't +// have memory manager. Normal and sticky extensions are freed and extension +// array cleared. +void +tlm_generic_payload::free_all_extensions() { m_extensions.free_entire_cache(); - for(unsigned int i=0; i<m_extensions.size(); i++) - { - if(m_extensions[i]) - { + for (unsigned int i = 0; i < m_extensions.size(); i++) { + if (m_extensions[i]) { m_extensions[i]->free(); m_extensions[i] = 0; } } } -//-------------- -// Destructor -//-------------- -tlm_generic_payload::~tlm_generic_payload() { - for(unsigned int i=0; i<m_extensions.size(); i++) - if(m_extensions[i]) m_extensions[i]->free(); +tlm_generic_payload::~tlm_generic_payload() +{ + for (unsigned int i = 0; i < m_extensions.size(); i++) { + if (m_extensions[i]) + m_extensions[i]->free(); + } } //---------------- @@ -293,15 +275,21 @@ tlm_generic_payload::~tlm_generic_payload() { std::string tlm_generic_payload::get_response_string() const { - switch(m_response_status) - { - case TLM_OK_RESPONSE: return "TLM_OK_RESPONSE"; - case TLM_INCOMPLETE_RESPONSE: return "TLM_INCOMPLETE_RESPONSE"; - case TLM_GENERIC_ERROR_RESPONSE: return "TLM_GENERIC_ERROR_RESPONSE"; - case TLM_ADDRESS_ERROR_RESPONSE: return "TLM_ADDRESS_ERROR_RESPONSE"; - case TLM_COMMAND_ERROR_RESPONSE: return "TLM_COMMAND_ERROR_RESPONSE"; - case TLM_BURST_ERROR_RESPONSE: return "TLM_BURST_ERROR_RESPONSE"; - case TLM_BYTE_ENABLE_ERROR_RESPONSE: return "TLM_BYTE_ENABLE_ERROR_RESPONSE"; + switch (m_response_status) { + case TLM_OK_RESPONSE: + return "TLM_OK_RESPONSE"; + case TLM_INCOMPLETE_RESPONSE: + return "TLM_INCOMPLETE_RESPONSE"; + case TLM_GENERIC_ERROR_RESPONSE: + return "TLM_GENERIC_ERROR_RESPONSE"; + case TLM_ADDRESS_ERROR_RESPONSE: + return "TLM_ADDRESS_ERROR_RESPONSE"; + case TLM_COMMAND_ERROR_RESPONSE: + return "TLM_COMMAND_ERROR_RESPONSE"; + case TLM_BURST_ERROR_RESPONSE: + return "TLM_BURST_ERROR_RESPONSE"; + case TLM_BYTE_ENABLE_ERROR_RESPONSE: + return "TLM_BYTE_ENABLE_ERROR_RESPONSE"; } return "TLM_UNKNOWN_RESPONSE"; } @@ -310,56 +298,56 @@ tlm_generic_payload::get_response_string() const /* Dynamic extension mechanism: */ /* --------------------------------------------------------------------- */ -tlm_extension_base* -tlm_generic_payload::set_extension(unsigned int index, - tlm_extension_base* ext) +tlm_extension_base * +tlm_generic_payload::set_extension(unsigned int index, tlm_extension_base *ext) { sc_assert(index < m_extensions.size()); - tlm_extension_base* tmp = m_extensions[index]; + tlm_extension_base *tmp = m_extensions[index]; m_extensions[index] = ext; return tmp; } -tlm_extension_base* -tlm_generic_payload::set_auto_extension(unsigned int index, - tlm_extension_base* ext) +tlm_extension_base * +tlm_generic_payload::set_auto_extension( + unsigned int index, tlm_extension_base *ext) { sc_assert(index < m_extensions.size()); - tlm_extension_base* tmp = m_extensions[index]; + tlm_extension_base *tmp = m_extensions[index]; m_extensions[index] = ext; - if (!tmp) m_extensions.insert_in_cache(&m_extensions[index]); + if (!tmp) + m_extensions.insert_in_cache(&m_extensions[index]); sc_assert(m_mm != 0); return tmp; } -tlm_extension_base* +tlm_extension_base * tlm_generic_payload::get_extension(unsigned int index) const { sc_assert(index < m_extensions.size()); return m_extensions[index]; } -void tlm_generic_payload::clear_extension(unsigned int index) +void +tlm_generic_payload::clear_extension(unsigned int index) { sc_assert(index < m_extensions.size()); - m_extensions[index] = static_cast<tlm_extension_base*>(0); + m_extensions[index] = static_cast<tlm_extension_base *>(0); } -void tlm_generic_payload::release_extension(unsigned int index) +void +tlm_generic_payload::release_extension(unsigned int index) { sc_assert(index < m_extensions.size()); - if (m_mm) - { + if (m_mm) { m_extensions.insert_in_cache(&m_extensions[index]); - } - else - { + } else { m_extensions[index]->free(); - m_extensions[index] = static_cast<tlm_extension_base*>(0); + m_extensions[index] = static_cast<tlm_extension_base *>(nullptr); } } -void tlm_generic_payload::resize_extensions() +void +tlm_generic_payload::resize_extensions() { m_extensions.expand(max_num_extensions()); } |