mti_RestoreChar()

Gets a byte of data from the checkpoint file.

Syntax

value = mti_RestoreChar() 

Returns

Name	Type	Description
value	char	A byte of data

Arguments

None

Description

mti_RestoreChar() returns a byte of data from the checkpoint file.

Related functions

mti_RestoreBlock()

mti_RestoreLong()

mti_RestoreProcess()

mti_RestoreShort()

mti_RestoreString()

mti_SaveBlock()

mti_SaveChar()

mti_SaveLong()

mti_SaveShort()

mti_SaveString()

Example

FLI code

#include <stdlib.h>
#include <mti.h>

static char * instance_info;

void saveCallback( void * param )
{
  char   tmp_char  = 'Z';
  char * tmp_str   = "Howdy";
  long   tmp_long  = 123456;
  short  tmp_short = 587;

  mti_PrintFormatted( "\nSaving instance info \"%s\"\n", instance_info );
  mti_SaveBlock( &instance_info, sizeof(instance_info) );
  mti_PrintFormatted( "Saving char %c\n", tmp_char );
  mti_SaveChar( tmp_char );
  mti_PrintFormatted( "Saving long %ld\n", tmp_long );
  mti_SaveLong( tmp_long );
  mti_PrintFormatted( "Saving short %d\n", tmp_short );
  mti_SaveShort( tmp_short );
  mti_PrintFormatted( "Saving string %s\n", tmp_str );
  mti_SaveString( tmp_str );
  mti_PrintFormatted( "\n" );
}

void restoreCallback( void * param )
{
  mti_RestoreBlock( &instance_info );
  mti_PrintFormatted( "\nRestoring instance info \"%s\"\n", instance_info );
  mti_PrintFormatted( "Restoring char %c\n", mti_RestoreChar() );
  mti_PrintFormatted( "Restoring long %ld\n", mti_RestoreLong() );
  mti_PrintFormatted( "Restoring short %d\n", mti_RestoreShort() );
  mti_PrintFormatted( "Restoring string %s\n", mti_RestoreString() );
  mti_PrintFormatted( "\n" );
}

void initForeign(
  mtiRegionIdT       region,   /* The ID of the region in which this     */
                               /* foreign architecture is instantiated.  */
  char              *param,    /* The last part of the string in the     */
                               /* foreign attribute.                     */
  mtiInterfaceListT *generics, /* A list of generics for the foreign model.*/
  mtiInterfaceListT *ports     /* A list of ports for the foreign model.   */
)
{
  instance_info = mti_Malloc( strlen(param) + 1 );
  strcpy( instance_info, param );
  mti_AddSaveCB( saveCallback, instance_info );
  mti_AddRestoreCB( restoreCallback, instance_info );
} 

HDL code

entity for_model is
end for_model;

architecture a of for_model is
  attribute foreign of a : architecture is
    "initForeign for_model.sl; my_for_model";
begin
end a;

entity top is
end top;

architecture a of top is

  signal s1 : bit := '0';

  component for_model is
  end component;

  for all : for_model use entity work.for_model(a);

begin

  i1 : for_model;

  s1 <= not s1 after 5 ns;

end a; 

Simulation output

% vsim -c top
Reading .../modeltech/sunos5/../tcl/vsim/pref.tcl 

# 5.4b

# vsim -c top 
# Loading .../modeltech/sunos5/../std.standard
# Loading work.top(a)
# Loading work.for_model(a)
# Loading ./for_model.sl
VSIM 1> run 20
VSIM 2> checkpoint cpfile
# 
# Saving instance info "my_for_model"
# Saving char Z
# Saving long 123456
# Saving short 587
# Saving string Howdy
# 
VSIM 3> run 40
VSIM 4> restore cpfile
# Loading checkpoint/restore data from file "cpfile"
# Checkpoint created Fri Jul  7 16:09:02 2000
# Restoring state at time 20 ns, iteration 1
# 
# Restoring instance info "my_for_model"
# Restoring char Z
# Restoring long 123456
# Restoring short 587
# Restoring string Howdy
# 
VSIM 5> run 10
VSIM 6> quit 

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