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-- $(lic)
-- $(help_generic)
-- $(help_local)

library ieee;
use ieee.std_logic_1164.all;
use work.amba.all;

-- PREFIX: lmd_xxx
package memdef is

-- memsizes
type lmd_memsize is (
  lmd_word,
  lmd_byte,
  lmd_half,
  lmd_dbl
);

-- lmd_big:    byte[0 1 2 3], hw[0 1]
-- lmd_little: byte[3 2 1 0], hw[1 0]
type lmd_byteorder is (lmd_big, lmd_little);

-- return amba size constant
function lmd_toamba (
  size : lmd_memsize
) return Std_Logic_Vector;
   
-- endianess converter
function lmd_convert (
  data : std_logic_vector(31 downto 0);
  intype : lmd_byteorder;
  outtype : lmd_byteorder
) return std_logic_vector;

end memdef;

package body memdef is

function lmd_toamba (
  size : lmd_memsize
) return Std_Logic_Vector is
 variable tmp : std_logic_vector(2 downto 0);
begin
  tmp := HSIZE_WORD;
  case size is
    when lmd_byte => tmp := HSIZE_BYTE;
    when lmd_half => tmp := HSIZE_HWORD;
    when lmd_word => tmp := HSIZE_WORD;
    when others => null;
  end case;
  return tmp;
end;

function lmd_convert (
  data : std_logic_vector(31 downto 0);
  intype : lmd_byteorder;
  outtype : lmd_byteorder
) return std_logic_vector is
variable tmp : std_logic_vector(31 downto 0);
begin
  tmp := data;
  if intype /= outtype then
    tmp := tmp(7 downto 0) & tmp(15 downto 8) & tmp(23 downto 16) & tmp(31 downto 24);
  end if;
  return tmp;
end;

end memdef;

File /tmp/build_html/vhdl/bus/amba.vhd used by /tmp/build_html/vhdl/libs/memdef.vhd used by /tmp/build_html/vhdl/core/ctrl/ctrl_comp.vhd used by /tmp/build_html/vhdl/core/ctrl/irqctrl.vhd used by /tmp/build_html/vhdl/core/ctrl/irqctrl2.vhd used by /tmp/build_html/vhdl/core/ctrl/timers.vhd used by /tmp/build_html/vhdl/core/core_config.vhd used by /tmp/build_html/vhdl/peripherals/serial/peri_serial_comp.vhd used by /tmp/build_html/vhdl/peripherals/io/peri_io_comp.vhd used by /tmp/build_html/vhdl/peripherals/mem/sdmctrl.vhd used by /tmp/build_html/vhdl/peripherals/mem/mctrl.vhd used by /tmp/build_html/vhdl/peripherals/mem/mctrl.vhd used by /tmp/build_html/vhdl/bus/bus_comp.vhd used by /tmp/build_html/vhdl/mem/cache/libs/genwb_lib.vhd used by /tmp/build_html/vhdl/mem/cache/gendc.vhd used by /tmp/build_html/vhdl/arm/libs/armpctrl.vhd used by /tmp/build_html/vhdl/arm/armiu.vhd used by /tmp/build_html/vhdl/bus/ahbarb.vhd used by /tmp/build_html/vhdl/bus/apbmst.vhd used by /tmp/build_html/vhdl/bus/apbmst.vhd used by /tmp/build_html/vhdl/peripherals/io/ioport.vhd used by /tmp/build_html/vhdl/peripherals/mem/wprot.vhd used by /tmp/build_html/vhdl/peripherals/net/eth_oc.vhd used by /tmp/build_html/vhdl/peripherals/serial/uart.vhd used by /tmp/build_html/vhdl/sparc/acache.vhd used by /tmp/build_html/vhdl/sparc/ahbmst.vhd used by /tmp/build_html/vhdl/sparc/ahbram.vhd used by /tmp/build_html/vhdl/sparc/ahbstat.vhd used by /tmp/build_html/vhdl/sparc/ahbtest.vhd used by /tmp/build_html/vhdl/sparc/ambacomp.vhd used by /tmp/build_html/vhdl/sparc/cache.vhd used by /tmp/build_html/vhdl/sparc/dcache.vhd used by /tmp/build_html/vhdl/sparc/dcom.vhd used by /tmp/build_html/vhdl/sparc/dcom_uart.vhd used by /tmp/build_html/vhdl/sparc/dma.vhd used by /tmp/build_html/vhdl/sparc/dsu.vhd used by /tmp/build_html/vhdl/sparc/icache.vhd used by /tmp/build_html/vhdl/sparc/lconf.vhd used by /tmp/build_html/vhdl/sparc/mcore.vhd used by /tmp/build_html/vhdl/sparc/mmu_acache.vhd used by /tmp/build_html/vhdl/sparc/mmu_cache.vhd used by /tmp/build_html/vhdl/sparc/mmu_dcache.vhd used by /tmp/build_html/vhdl/sparc/mmu_icache.vhd used by /tmp/build_html/vhdl/sparc/pci.vhd used by /tmp/build_html/vhdl/sparc/pci_arb.vhd used by /tmp/build_html/vhdl/sparc/pci_gr.vhd used by /tmp/build_html/vhdl/sparc/pci_is.vhd used by /tmp/build_html/vhdl/sparc/pci_oc.vhd used by /tmp/build_html/vhdl/sparc/pci_oc.vhd used by /tmp/build_html/vhdl/sparc/proc.vhd

File /tmp/build_html/vhdl/libs/memdef.vhd used by /tmp/build_html/vhdl/config.vhd used by /tmp/build_html/vhdl/bus/bus_comp.vhd used by /tmp/build_html/vhdl/bus/ahbmst_mp.vhd used by /tmp/build_html/vhdl/mem/cache/libs/gendc_lib.vhd used by /tmp/build_html/vhdl/mem/cache/libs/genwb_lib.vhd used by /tmp/build_html/vhdl/mem/cache/genic.vhd used by /tmp/build_html/vhdl/mem/cache/genwb.vhd used by /tmp/build_html/vhdl/mem/cache/gendc.vhd used by /tmp/build_html/vhdl/arm/libs/armshiefter.vhd used by /tmp/build_html/vhdl/arm/armiu_festg.vhd used by /tmp/build_html/vhdl/arm/libs/armcmd.vhd used by /tmp/build_html/vhdl/arm/armcmd_sm.vhd used by /tmp/build_html/vhdl/arm/armcmd_cr.vhd used by /tmp/build_html/vhdl/arm/armcmd_cs.vhd used by /tmp/build_html/vhdl/arm/armiu_rsstg.vhd used by /tmp/build_html/vhdl/arm/cp/armcp_sctrl.vhd used by /tmp/build_html/soft/doc/test/.config.vhd

Enum lmd_memsize defined in /tmp/build_html/vhdl/libs/memdef.vhd type lmd_memsize is ( lmd_word, lmd_byte, lmd_half, lmd_dbl );

Enum lmd_byteorder defined in /tmp/build_html/vhdl/libs/memdef.vhd type lmd_byteorder is (lmd_big, lmd_little);

Enum txfsmtype defined in /tmp/build_html/vhdl/sparc/dcom_uart.vhd type txfsmtype is (idle, data, stopbit);

Function lmd_convert defined in /tmp/build_html/vhdl/libs/memdef.vhd function lmd_convert ( data : std_logic_vector(31 downto 0); intype : lmd_byteorder; outtype : lmd_byteorder ) return std_logic_vector is variable tmp : std_logic_vector(31 downto 0); begin tmp := data; if intype /= outtype then tmp := tmp(7 downto 0) & tmp(15 downto 8) & tmp(23 downto 16) & tmp(31 downto 24); end if; return tmp; end;

Constant HSIZE_WORD defined in /tmp/build_html/vhdl/bus/amba.vhd constant HSIZE_WORD: Std_Logic_Vector(2 downto 0) := "010";

Constant HSIZE_BYTE defined in /tmp/build_html/vhdl/bus/amba.vhd constant HSIZE_BYTE: Std_Logic_Vector(2 downto 0) := "000";

Constant HSIZE_HWORD defined in /tmp/build_html/vhdl/bus/amba.vhd constant HSIZE_HWORD: Std_Logic_Vector(2 downto 0) := "001";

Function lmd_toamba defined in /tmp/build_html/vhdl/libs/memdef.vhd function lmd_toamba ( size : lmd_memsize ) return Std_Logic_Vector; -- endianess converter function lmd_convert ( data : std_logic_vector(31 downto 0); intype : lmd_byteorder; outtype : lmd_byteorder ) return std_logic_vector; end memdef; package body memdef is function lmd_toamba ( size : lmd_memsize ) return Std_Logic_Vector is variable tmp : std_logic_vector(2 downto 0); begin tmp := HSIZE_WORD; case size is when lmd_byte => tmp := HSIZE_BYTE; when lmd_half => tmp := HSIZE_HWORD; when lmd_word => tmp := HSIZE_WORD; when others => null; end case; return tmp; end;

If you have question mail to: Konrad Eisele<eiselekd@web.de>, created: Wed Apr 14 13:07:33 WEDT 2004 ;
This is part of the Core distribution