moving repo from git to local repo

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library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
entity axi_regs_32 is
generic (
-- Width of S_AXI data bus
C_S_AXI_DATA_WIDTH : integer := 32;
-- Width of S_AXI address bus
C_S_AXI_ADDR_WIDTH : integer := 7
);
port (
reg0_out : out std_logic_vector(31 downto 0);
reg1_out : out std_logic_vector(31 downto 0);
reg2_out : out std_logic_vector(31 downto 0);
reg3_out : out std_logic_vector(31 downto 0);
reg4_out : out std_logic_vector(31 downto 0);
reg5_out : out std_logic_vector(31 downto 0);
reg6_out : out std_logic_vector(31 downto 0);
reg7_out : out std_logic_vector(31 downto 0);
reg8_out : out std_logic_vector(31 downto 0);
reg9_out : out std_logic_vector(31 downto 0);
reg10_out : out std_logic_vector(31 downto 0);
reg11_out : out std_logic_vector(31 downto 0);
reg12_out : out std_logic_vector(31 downto 0);
reg13_out : out std_logic_vector(31 downto 0);
reg14_out : out std_logic_vector(31 downto 0);
reg15_out : out std_logic_vector(31 downto 0);
reg16_out : out std_logic_vector(31 downto 0);
reg17_out : out std_logic_vector(31 downto 0);
reg18_out : out std_logic_vector(31 downto 0);
reg19_out : out std_logic_vector(31 downto 0);
reg20_out : out std_logic_vector(31 downto 0);
reg21_out : out std_logic_vector(31 downto 0);
reg22_out : out std_logic_vector(31 downto 0);
reg23_out : out std_logic_vector(31 downto 0);
reg24_out : out std_logic_vector(31 downto 0);
reg25_out : out std_logic_vector(31 downto 0);
reg26_out : out std_logic_vector(31 downto 0);
reg27_out : out std_logic_vector(31 downto 0);
reg28_out : out std_logic_vector(31 downto 0);
reg29_out : out std_logic_vector(31 downto 0);
reg30_out : out std_logic_vector(31 downto 0);
reg31_out : out std_logic_vector(31 downto 0);
reg0_in : in std_logic_vector(31 downto 0);
reg1_in : in std_logic_vector(31 downto 0);
reg2_in : in std_logic_vector(31 downto 0);
reg3_in : in std_logic_vector(31 downto 0);
reg4_in : in std_logic_vector(31 downto 0);
reg5_in : in std_logic_vector(31 downto 0);
reg6_in : in std_logic_vector(31 downto 0);
reg7_in : in std_logic_vector(31 downto 0);
reg8_in : in std_logic_vector(31 downto 0);
reg9_in : in std_logic_vector(31 downto 0);
reg10_in : in std_logic_vector(31 downto 0);
reg11_in : in std_logic_vector(31 downto 0);
reg12_in : in std_logic_vector(31 downto 0);
reg13_in : in std_logic_vector(31 downto 0);
reg14_in : in std_logic_vector(31 downto 0);
reg15_in : in std_logic_vector(31 downto 0);
reg16_in : in std_logic_vector(31 downto 0);
reg17_in : in std_logic_vector(31 downto 0);
reg18_in : in std_logic_vector(31 downto 0);
reg19_in : in std_logic_vector(31 downto 0);
reg20_in : in std_logic_vector(31 downto 0);
reg21_in : in std_logic_vector(31 downto 0);
reg22_in : in std_logic_vector(31 downto 0);
reg23_in : in std_logic_vector(31 downto 0);
reg24_in : in std_logic_vector(31 downto 0);
reg25_in : in std_logic_vector(31 downto 0);
reg26_in : in std_logic_vector(31 downto 0);
reg27_in : in std_logic_vector(31 downto 0);
reg28_in : in std_logic_vector(31 downto 0);
reg29_in : in std_logic_vector(31 downto 0);
reg30_in : in std_logic_vector(31 downto 0);
reg31_in : in std_logic_vector(31 downto 0);
-- Global Clock Signal
S_AXI_ACLK : in std_logic;
-- Global Reset Signal. This Signal is Active LOW
S_AXI_ARESETN : in std_logic;
-- Write address (issued by master, acceped by Slave)
S_AXI_AWADDR : in std_logic_vector(C_S_AXI_ADDR_WIDTH-1 downto 0);
-- Write channel Protection type. This signal indicates the
-- privilege and security level of the transaction, and whether
-- the transaction is a data access or an instruction access.
S_AXI_AWPROT : in std_logic_vector(2 downto 0);
-- Write address valid. This signal indicates that the master signaling
-- valid write address and control information.
S_AXI_AWVALID : in std_logic;
-- Write address ready. This signal indicates that the slave is ready
-- to accept an address and associated control signals.
S_AXI_AWREADY : out std_logic;
-- Write data (issued by master, acceped by Slave)
S_AXI_WDATA : in std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
-- Write strobes. This signal indicates which byte lanes hold
-- valid data. There is one write strobe bit for each eight
-- bits of the write data bus.
S_AXI_WSTRB : in std_logic_vector((C_S_AXI_DATA_WIDTH/8)-1 downto 0);
-- Write valid. This signal indicates that valid write
-- data and strobes are available.
S_AXI_WVALID : in std_logic;
-- Write ready. This signal indicates that the slave
-- can accept the write data.
S_AXI_WREADY : out std_logic;
-- Write response. This signal indicates the status
-- of the write transaction.
S_AXI_BRESP : out std_logic_vector(1 downto 0);
-- Write response valid. This signal indicates that the channel
-- is signaling a valid write response.
S_AXI_BVALID : out std_logic;
-- Response ready. This signal indicates that the master
-- can accept a write response.
S_AXI_BREADY : in std_logic;
-- Read address (issued by master, acceped by Slave)
S_AXI_ARADDR : in std_logic_vector(C_S_AXI_ADDR_WIDTH-1 downto 0);
-- Protection type. This signal indicates the privilege
-- and security level of the transaction, and whether the
-- transaction is a data access or an instruction access.
S_AXI_ARPROT : in std_logic_vector(2 downto 0);
-- Read address valid. This signal indicates that the channel
-- is signaling valid read address and control information.
S_AXI_ARVALID : in std_logic;
-- Read address ready. This signal indicates that the slave is
-- ready to accept an address and associated control signals.
S_AXI_ARREADY : out std_logic;
-- Read data (issued by slave)
S_AXI_RDATA : out std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
-- Read response. This signal indicates the status of the
-- read transfer.
S_AXI_RRESP : out std_logic_vector(1 downto 0);
-- Read valid. This signal indicates that the channel is
-- signaling the required read data.
S_AXI_RVALID : out std_logic;
-- Read ready. This signal indicates that the master can
-- accept the read data and response information.
S_AXI_RREADY : in std_logic
);
end axi_regs_32;
architecture arch_imp of axi_regs_32 is
-- AXI4LITE signals
signal axi_awaddr : std_logic_vector(C_S_AXI_ADDR_WIDTH-1 downto 0);
signal axi_awready : std_logic;
signal axi_wready : std_logic;
signal axi_bresp : std_logic_vector(1 downto 0);
signal axi_bvalid : std_logic;
signal axi_araddr : std_logic_vector(C_S_AXI_ADDR_WIDTH-1 downto 0);
signal axi_arready : std_logic;
signal axi_rdata : std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal axi_rresp : std_logic_vector(1 downto 0);
signal axi_rvalid : std_logic;
-- Example-specific design signals
-- local parameter for addressing 32 bit / 64 bit C_S_AXI_DATA_WIDTH
-- ADDR_LSB is used for addressing 32/64 bit registers/memories
-- ADDR_LSB = 2 for 32 bits (n downto 2)
-- ADDR_LSB = 3 for 64 bits (n downto 3)
constant ADDR_LSB : integer := (C_S_AXI_DATA_WIDTH/32)+ 1;
constant OPT_MEM_ADDR_BITS : integer := 4;
------------------------------------------------
---- Signals for user logic register space example
--------------------------------------------------
---- Number of Slave Registers 32
signal slv_reg0 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg1 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg2 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg3 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg4 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg5 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg6 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg7 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg8 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg9 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg10 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg11 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg12 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg13 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg14 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg15 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg16 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg17 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg18 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg19 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg20 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg21 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg22 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg23 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg24 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg25 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg26 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg27 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg28 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg29 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg30 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg31 :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal slv_reg_rden : std_logic;
signal slv_reg_wren : std_logic;
signal reg_data_out :std_logic_vector(C_S_AXI_DATA_WIDTH-1 downto 0);
signal byte_index : integer;
signal aw_en : std_logic;
begin
-- I/O Connections assignments
S_AXI_AWREADY <= axi_awready;
S_AXI_WREADY <= axi_wready;
S_AXI_BRESP <= axi_bresp;
S_AXI_BVALID <= axi_bvalid;
S_AXI_ARREADY <= axi_arready;
S_AXI_RDATA <= axi_rdata;
S_AXI_RRESP <= axi_rresp;
S_AXI_RVALID <= axi_rvalid;
-- Implement axi_awready generation
-- axi_awready is asserted for one S_AXI_ACLK clock cycle when both
-- S_AXI_AWVALID and S_AXI_WVALID are asserted. axi_awready is
-- de-asserted when reset is low.
process (S_AXI_ACLK)
begin
if rising_edge(S_AXI_ACLK) then
if S_AXI_ARESETN = '0' then
axi_awready <= '0';
aw_en <= '1';
else
if (axi_awready = '0' and S_AXI_AWVALID = '1' and S_AXI_WVALID = '1' and aw_en = '1') then
-- slave is ready to accept write address when
-- there is a valid write address and write data
-- on the write address and data bus. This design
-- expects no outstanding transactions.
axi_awready <= '1';
aw_en <= '0';
elsif (S_AXI_BREADY = '1' and axi_bvalid = '1') then
aw_en <= '1';
axi_awready <= '0';
else
axi_awready <= '0';
end if;
end if;
end if;
end process;
-- Implement axi_awaddr latching
-- This process is used to latch the address when both
-- S_AXI_AWVALID and S_AXI_WVALID are valid.
process (S_AXI_ACLK)
begin
if rising_edge(S_AXI_ACLK) then
if S_AXI_ARESETN = '0' then
axi_awaddr <= (others => '0');
else
if (axi_awready = '0' and S_AXI_AWVALID = '1' and S_AXI_WVALID = '1' and aw_en = '1') then
-- Write Address latching
axi_awaddr <= S_AXI_AWADDR;
end if;
end if;
end if;
end process;
-- Implement axi_wready generation
-- axi_wready is asserted for one S_AXI_ACLK clock cycle when both
-- S_AXI_AWVALID and S_AXI_WVALID are asserted. axi_wready is
-- de-asserted when reset is low.
process (S_AXI_ACLK)
begin
if rising_edge(S_AXI_ACLK) then
if S_AXI_ARESETN = '0' then
axi_wready <= '0';
else
if (axi_wready = '0' and S_AXI_WVALID = '1' and S_AXI_AWVALID = '1' and aw_en = '1') then
-- slave is ready to accept write data when
-- there is a valid write address and write data
-- on the write address and data bus. This design
-- expects no outstanding transactions.
axi_wready <= '1';
else
axi_wready <= '0';
end if;
end if;
end if;
end process;
-- Implement memory mapped register select and write logic generation
-- The write data is accepted and written to memory mapped registers when
-- axi_awready, S_AXI_WVALID, axi_wready and S_AXI_WVALID are asserted. Write strobes are used to
-- select byte enables of slave registers while writing.
-- These registers are cleared when reset (active low) is applied.
-- Slave register write enable is asserted when valid address and data are available
-- and the slave is ready to accept the write address and write data.
slv_reg_wren <= axi_wready and S_AXI_WVALID and axi_awready and S_AXI_AWVALID ;
process (S_AXI_ACLK)
variable loc_addr :std_logic_vector(OPT_MEM_ADDR_BITS downto 0);
begin
if rising_edge(S_AXI_ACLK) then
if S_AXI_ARESETN = '0' then
slv_reg0 <= (others => '0');
slv_reg1 <= (others => '0');
slv_reg2 <= (others => '0');
slv_reg3 <= (others => '0');
slv_reg4 <= (others => '0');
slv_reg5 <= (others => '0');
slv_reg6 <= (others => '0');
slv_reg7 <= (others => '0');
slv_reg8 <= (others => '0');
slv_reg9 <= (others => '0');
slv_reg10 <= (others => '0');
slv_reg11 <= (others => '0');
slv_reg12 <= (others => '0');
slv_reg13 <= (others => '0');
slv_reg14 <= (others => '0');
slv_reg15 <= (others => '0');
slv_reg16 <= (others => '0');
slv_reg17 <= (others => '0');
slv_reg18 <= (others => '0');
slv_reg19 <= (others => '0');
slv_reg20 <= (others => '0');
slv_reg21 <= (others => '0');
slv_reg22 <= (others => '0');
slv_reg23 <= (others => '0');
slv_reg24 <= (others => '0');
slv_reg25 <= (others => '0');
slv_reg26 <= (others => '0');
slv_reg27 <= (others => '0');
slv_reg28 <= (others => '0');
slv_reg29 <= (others => '0');
slv_reg30 <= (others => '0');
slv_reg31 <= (others => '0');
else
loc_addr := axi_awaddr(ADDR_LSB + OPT_MEM_ADDR_BITS downto ADDR_LSB);
if (slv_reg_wren = '1') then
case loc_addr is
when b"00000" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 0
slv_reg0(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"00001" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 1
slv_reg1(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"00010" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 2
slv_reg2(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"00011" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 3
slv_reg3(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"00100" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 4
slv_reg4(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"00101" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 5
slv_reg5(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"00110" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 6
slv_reg6(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"00111" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 7
slv_reg7(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01000" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 8
slv_reg8(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01001" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 9
slv_reg9(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01010" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 10
slv_reg10(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01011" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 11
slv_reg11(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01100" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 12
slv_reg12(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01101" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 13
slv_reg13(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01110" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 14
slv_reg14(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"01111" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 15
slv_reg15(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10000" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 16
slv_reg16(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10001" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 17
slv_reg17(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10010" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 18
slv_reg18(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10011" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 19
slv_reg19(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10100" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 20
slv_reg20(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10101" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 21
slv_reg21(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10110" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 22
slv_reg22(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"10111" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 23
slv_reg23(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11000" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 24
slv_reg24(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11001" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 25
slv_reg25(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11010" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 26
slv_reg26(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11011" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 27
slv_reg27(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11100" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 28
slv_reg28(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11101" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 29
slv_reg29(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11110" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 30
slv_reg30(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when b"11111" =>
for byte_index in 0 to (C_S_AXI_DATA_WIDTH/8-1) loop
if ( S_AXI_WSTRB(byte_index) = '1' ) then
-- Respective byte enables are asserted as per write strobes
-- slave registor 31
slv_reg31(byte_index*8+7 downto byte_index*8) <= S_AXI_WDATA(byte_index*8+7 downto byte_index*8);
end if;
end loop;
when others =>
slv_reg0 <= slv_reg0;
slv_reg1 <= slv_reg1;
slv_reg2 <= slv_reg2;
slv_reg3 <= slv_reg3;
slv_reg4 <= slv_reg4;
slv_reg5 <= slv_reg5;
slv_reg6 <= slv_reg6;
slv_reg7 <= slv_reg7;
slv_reg8 <= slv_reg8;
slv_reg9 <= slv_reg9;
slv_reg10 <= slv_reg10;
slv_reg11 <= slv_reg11;
slv_reg12 <= slv_reg12;
slv_reg13 <= slv_reg13;
slv_reg14 <= slv_reg14;
slv_reg15 <= slv_reg15;
slv_reg16 <= slv_reg16;
slv_reg17 <= slv_reg17;
slv_reg18 <= slv_reg18;
slv_reg19 <= slv_reg19;
slv_reg20 <= slv_reg20;
slv_reg21 <= slv_reg21;
slv_reg22 <= slv_reg22;
slv_reg23 <= slv_reg23;
slv_reg24 <= slv_reg24;
slv_reg25 <= slv_reg25;
slv_reg26 <= slv_reg26;
slv_reg27 <= slv_reg27;
slv_reg28 <= slv_reg28;
slv_reg29 <= slv_reg29;
slv_reg30 <= slv_reg30;
slv_reg31 <= slv_reg31;
end case;
end if;
end if;
end if;
end process;
-- Implement write response logic generation
-- The write response and response valid signals are asserted by the slave
-- when axi_wready, S_AXI_WVALID, axi_wready and S_AXI_WVALID are asserted.
-- This marks the acceptance of address and indicates the status of
-- write transaction.
process (S_AXI_ACLK)
begin
if rising_edge(S_AXI_ACLK) then
if S_AXI_ARESETN = '0' then
axi_bvalid <= '0';
axi_bresp <= "00"; --need to work more on the responses
else
if (axi_awready = '1' and S_AXI_AWVALID = '1' and axi_wready = '1' and S_AXI_WVALID = '1' and axi_bvalid = '0' ) then
axi_bvalid <= '1';
axi_bresp <= "00";
elsif (S_AXI_BREADY = '1' and axi_bvalid = '1') then --check if bready is asserted while bvalid is high)
axi_bvalid <= '0'; -- (there is a possibility that bready is always asserted high)
end if;
end if;
end if;
end process;
-- Implement axi_arready generation
-- axi_arready is asserted for one S_AXI_ACLK clock cycle when
-- S_AXI_ARVALID is asserted. axi_awready is
-- de-asserted when reset (active low) is asserted.
-- The read address is also latched when S_AXI_ARVALID is
-- asserted. axi_araddr is reset to zero on reset assertion.
process (S_AXI_ACLK)
begin
if rising_edge(S_AXI_ACLK) then
if S_AXI_ARESETN = '0' then
axi_arready <= '0';
axi_araddr <= (others => '1');
else
if (axi_arready = '0' and S_AXI_ARVALID = '1') then
-- indicates that the slave has acceped the valid read address
axi_arready <= '1';
-- Read Address latching
axi_araddr <= S_AXI_ARADDR;
else
axi_arready <= '0';
end if;
end if;
end if;
end process;
-- Implement axi_arvalid generation
-- axi_rvalid is asserted for one S_AXI_ACLK clock cycle when both
-- S_AXI_ARVALID and axi_arready are asserted. The slave registers
-- data are available on the axi_rdata bus at this instance. The
-- assertion of axi_rvalid marks the validity of read data on the
-- bus and axi_rresp indicates the status of read transaction.axi_rvalid
-- is deasserted on reset (active low). axi_rresp and axi_rdata are
-- cleared to zero on reset (active low).
process (S_AXI_ACLK)
begin
if rising_edge(S_AXI_ACLK) then
if S_AXI_ARESETN = '0' then
axi_rvalid <= '0';
axi_rresp <= "00";
else
if (axi_arready = '1' and S_AXI_ARVALID = '1' and axi_rvalid = '0') then
-- Valid read data is available at the read data bus
axi_rvalid <= '1';
axi_rresp <= "00"; -- 'OKAY' response
elsif (axi_rvalid = '1' and S_AXI_RREADY = '1') then
-- Read data is accepted by the master
axi_rvalid <= '0';
end if;
end if;
end if;
end process;
-- Implement memory mapped register select and read logic generation
-- Slave register read enable is asserted when valid address is available
-- and the slave is ready to accept the read address.
slv_reg_rden <= axi_arready and S_AXI_ARVALID and (not axi_rvalid) ;
process (reg0_in, reg1_in, reg2_in, reg3_in, reg4_in, reg5_in, reg6_in, reg7_in, reg8_in, reg9_in, reg10_in, reg11_in, reg12_in, reg13_in, reg14_in, reg15_in, reg16_in, reg17_in, reg18_in, reg19_in, reg20_in, reg21_in, reg22_in, reg23_in, reg24_in, reg25_in, reg26_in, reg27_in, reg28_in, reg29_in, reg30_in, reg31_in, axi_araddr, S_AXI_ARESETN, slv_reg_rden)
variable loc_addr :std_logic_vector(OPT_MEM_ADDR_BITS downto 0);
begin
-- Address decoding for reading registers
loc_addr := axi_araddr(ADDR_LSB + OPT_MEM_ADDR_BITS downto ADDR_LSB);
case loc_addr is
when b"00000" =>
reg_data_out <= reg0_in;
when b"00001" =>
reg_data_out <= reg1_in;
when b"00010" =>
reg_data_out <= reg2_in;
when b"00011" =>
reg_data_out <= reg3_in;
when b"00100" =>
reg_data_out <= reg4_in;
when b"00101" =>
reg_data_out <= reg5_in;
when b"00110" =>
reg_data_out <= reg6_in;
when b"00111" =>
reg_data_out <= reg7_in;
when b"01000" =>
reg_data_out <= reg8_in;
when b"01001" =>
reg_data_out <= reg9_in;
when b"01010" =>
reg_data_out <= reg10_in;
when b"01011" =>
reg_data_out <= reg11_in;
when b"01100" =>
reg_data_out <= reg12_in;
when b"01101" =>
reg_data_out <= reg13_in;
when b"01110" =>
reg_data_out <= reg14_in;
when b"01111" =>
reg_data_out <= reg15_in;
when b"10000" =>
reg_data_out <= reg16_in;
when b"10001" =>
reg_data_out <= reg17_in;
when b"10010" =>
reg_data_out <= reg18_in;
when b"10011" =>
reg_data_out <= reg19_in;
when b"10100" =>
reg_data_out <= reg20_in;
when b"10101" =>
reg_data_out <= reg21_in;
when b"10110" =>
reg_data_out <= reg22_in;
when b"10111" =>
reg_data_out <= reg23_in;
when b"11000" =>
reg_data_out <= reg24_in;
when b"11001" =>
reg_data_out <= reg25_in;
when b"11010" =>
reg_data_out <= reg26_in;
when b"11011" =>
reg_data_out <= reg27_in;
when b"11100" =>
reg_data_out <= reg28_in;
when b"11101" =>
reg_data_out <= reg29_in;
when b"11110" =>
reg_data_out <= reg30_in;
when b"11111" =>
reg_data_out <= reg31_in;
when others =>
reg_data_out <= (others => '0');
end case;
end process;
-- Output register or memory read data
process( S_AXI_ACLK ) is
begin
if (rising_edge (S_AXI_ACLK)) then
if ( S_AXI_ARESETN = '0' ) then
axi_rdata <= (others => '0');
else
if (slv_reg_rden = '1') then
-- When there is a valid read address (S_AXI_ARVALID) with
-- acceptance of read address by the slave (axi_arready),
-- output the read dada
-- Read address mux
axi_rdata <= reg_data_out; -- register read data
end if;
end if;
end if;
end process;
reg0_out <= slv_reg0;
reg1_out <= slv_reg1;
reg2_out <= slv_reg2;
reg3_out <= slv_reg3;
reg4_out <= slv_reg4;
reg5_out <= slv_reg5;
reg6_out <= slv_reg6;
reg7_out <= slv_reg7;
reg8_out <= slv_reg8;
reg9_out <= slv_reg9;
reg10_out <= slv_reg10;
reg11_out <= slv_reg11;
reg12_out <= slv_reg12;
reg13_out <= slv_reg13;
reg14_out <= slv_reg14;
reg15_out <= slv_reg15;
reg16_out <= slv_reg16;
reg17_out <= slv_reg17;
reg18_out <= slv_reg18;
reg19_out <= slv_reg19;
reg20_out <= slv_reg20;
reg21_out <= slv_reg21;
reg22_out <= slv_reg22;
reg23_out <= slv_reg23;
reg24_out <= slv_reg24;
reg25_out <= slv_reg25;
reg26_out <= slv_reg26;
reg27_out <= slv_reg27;
reg28_out <= slv_reg28;
reg29_out <= slv_reg29;
reg30_out <= slv_reg30;
reg31_out <= slv_reg31;
end arch_imp;
+10
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@@ -0,0 +1,10 @@
create_clock -period 10.000 -name S_AXI_ACLK [get_ports S_AXI_ACLK];
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,38 @@
# Definitional proc to organize widgets for parameters.
proc init_gui { IPINST } {
ipgui::add_param $IPINST -name "Component_Name"
#Adding Page
ipgui::add_page $IPINST -name "Page 0"
}
proc update_PARAM_VALUE.C_S_AXI_ADDR_WIDTH { PARAM_VALUE.C_S_AXI_ADDR_WIDTH } {
# Procedure called to update C_S_AXI_ADDR_WIDTH when any of the dependent parameters in the arguments change
}
proc validate_PARAM_VALUE.C_S_AXI_ADDR_WIDTH { PARAM_VALUE.C_S_AXI_ADDR_WIDTH } {
# Procedure called to validate C_S_AXI_ADDR_WIDTH
return true
}
proc update_PARAM_VALUE.C_S_AXI_DATA_WIDTH { PARAM_VALUE.C_S_AXI_DATA_WIDTH } {
# Procedure called to update C_S_AXI_DATA_WIDTH when any of the dependent parameters in the arguments change
}
proc validate_PARAM_VALUE.C_S_AXI_DATA_WIDTH { PARAM_VALUE.C_S_AXI_DATA_WIDTH } {
# Procedure called to validate C_S_AXI_DATA_WIDTH
return true
}
proc update_MODELPARAM_VALUE.C_S_AXI_DATA_WIDTH { MODELPARAM_VALUE.C_S_AXI_DATA_WIDTH PARAM_VALUE.C_S_AXI_DATA_WIDTH } {
# Procedure called to set VHDL generic/Verilog parameter value(s) based on TCL parameter value
set_property value [get_property value ${PARAM_VALUE.C_S_AXI_DATA_WIDTH}] ${MODELPARAM_VALUE.C_S_AXI_DATA_WIDTH}
}
proc update_MODELPARAM_VALUE.C_S_AXI_ADDR_WIDTH { MODELPARAM_VALUE.C_S_AXI_ADDR_WIDTH PARAM_VALUE.C_S_AXI_ADDR_WIDTH } {
# Procedure called to set VHDL generic/Verilog parameter value(s) based on TCL parameter value
set_property value [get_property value ${PARAM_VALUE.C_S_AXI_ADDR_WIDTH}] ${MODELPARAM_VALUE.C_S_AXI_ADDR_WIDTH}
}