ADM-XRC SDK 2.8.1 User Guide (Linux)
© Copyright 2001-2009 Alpha Data
This section documents the VHDL implementation of the PLXSIM package. This package consists datatypes, constants, functions, procedures and components designed to speed up development of a VHDL testbench centered around the local bus interface of an FPGA design.
Name | Purpose |
byte_enable_t | A vector type used to pass the byte enables for a local bus transfer |
byte_t | A type that can hold a single byte of data |
byte_vector_t | A vector type used to hold the data for a local bus transfer |
integer_vector_t | A vector type used to hold an array of integers |
locbus_ddma_in_t | A record type used to make a bundle of the demand-mode DMA signals for a particular DMA channel that are input by a stimulus process |
locbus_ddma_out_t | A record type used to make a bundle of the demand-mode DMA signals for a particular DMA channel that are driven by a stimulus process |
locbus_in_t | A record type used to make a bundle of the local bus signals that are input by a stimulus process |
locbus_out_t | A record type used to make a bundle of the local bus signals that are driven by a stimulus process |
Name | Purpose |
init_locbus_ddma_out | A constant that can be used to initialize variables/signals of type locbus_ddma_out_t |
init_locbus_out | A constant that can be used to initialize variables/signals of type locbus_out_t |
Name | Purpose |
conv_byte_vector | A function for converting values to the byte_vector_t type |
conv_integer | A function for converting values to the integer type |
conv_integer_signed | A function for converting signed binary values to the integer type |
conv_integer_unsigned | A function for converting unsigned binary values to the integer type |
conv_std_logic_vector | A function for converting values to the std_logic_vector type |
conv_string | A function for converting values to the string type |
conv_string_hex | A function for converting values to the string type, in hexadecimal form |
plxsim_read | A procedure for performing a basic read transfer on the local bus |
plxsim_read_const | A procedure for performing a basic read transfer with constant local address on the local bus |
plxsim_read_const_demand | A procedure for performing a basic demand-mode DMA read transfer with constant local address on the local bus |
plxsim_read_demand | A procedure for performing a basic demand-mode DMA read transfer on the local bus |
plxsim_request_bus | A procedure for requesting or relinquishing access to the local bus |
plxsim_wait_cycles | A procedure for delaying execution for a particular number of local bus clock cycles |
plxsim_wait_demand | A procedure for waiting until the FPGA requests a demand-mode DMA transfer |
plxsim_write | A procedure for performing a basic write transfer on the local bus |
plxsim_write_const | A procedure for performing a basic write transfer with constant local address on the local bus |
plxsim_write_const_demand | A procedure for performing a basic demand-mode DMA write transfer with constant local address on the local bus |
plxsim_write_demand | A procedure for performing a basic demand-mode DMA write transfer on the local bus |
Name | Purpose |
lbpcheck | A component that can be instantiated in a testbench in order to flag local bus protocol violations |
locbus_agent_ddma | A component that can be instantiated in order to connect a stimulus process to the demand-mode DMA signals for a particular DMA channel |
locbus_agent_mux32 | A component that can be instantiated in order to connect a stimulus process to a 32-bit multiplexed address/data local bus |
locbus_agent_mux64 | A component that can be instantiated in order to connect a stimulus process to a 64-bit multiplexed address/data local bus |
locbus_agent_nonmux | A component that can be instantiated in order to connect a stimulus process to a 32-bit nonmultiplexed address/data local bus |
locbus_arb | A component that can be instantiated in order to arbitrate between stimulus processes for local bus access |