IPR-PCIE/8 Altera, IPR-PCIE/8 Datasheet - Page 198

• Manufacturer Part Number: IPR-PCIE/8
• Description: IP CORE Renewal Of IP-PCIE/8
• Manufacturer: Altera
• Type: MegaCorer

Specifications of IPR-PCIE/8

• Software Application: IP CORE, Interface And Protocols, PCI
• Supported Families: Arria GX, Cyclone II, HardCopy II, Stratix II
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Rohs Compliant: NA
• Function: PCI Express Compiler, x8 Link Width
• License: Renewal License
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

BFM Procedures and Functions
5–48
PCI Express Compiler User Guide
Syntax
Arguments
Return
Syntax
Arguments
Table 5–31. shmem_read Function
Table 5–32. shmem_display VHDL Procedure/ or Verilog Function
addr
leng
data
VHDL:
Verilog HDL:
flag_addr, msg_type);
addr
leng
word_size
flag_addr
msg_type
data:= shmem_read(addr, leng)
shmem_display(addr, leng, word_size, flag_addr, msg_type)
Length, in bytes, of data read
Data read from BFM shared memory.
In VHDL, this is an unconstrained
the
In Verilog, this parameter is implemented as a 64-bit vector.
leng
significant bits of the returned data are valid.
In both languages, bits 7 downto 0 are read from the location specified by
downto 8 are read from the addr+1 location, etc.
BFM shared memory starting address for reading data
leng
dummy_return:=shmem_display(addr, leng, word_size,
BFM shared memory starting address for displaying data
Length, in bytes, of data to display
Size of the words to display. Groups individual bytes into words. Valid values are 1,
2, 4, and 8
Adds a <== flag to the end of the display line containing this address. Useful for
marking specific data. Set to a value greater than 2**21 (size of BFM shared
memory) to suppress the flag.
Specifies the message type to be displayed at the beginning of each line. See
“BFM Log & Message Procedures” on page 5–50
message types. Should be on the constants defined in
shmem_read Function
The shmem_read function reads data to the BFM shared memory.
is 1- 8 bytes. If the
shmem_display VHDL Procedure or Verilog HDL Function
The shmem_display VHDL procedure or Verilog HDL function
displays a block of data from the BFM shared memory.
long.
PCI Express Compiler Version 6.1
leng
is less than 8 bytes, only the corresponding least
std_logic_vector
for more information on
, in which the vector is 8 times
Table 5–35 on page
Altera Corporation
December 2006
addr
; bits 15
5–52.