kest_block.c

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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
 
#include "kest_int.h"
 
#ifndef PRINTLINES_ALLOWED
#define PRINTLINES_ALLOWED 0
#endif
 
IMPLEMENT_LINKED_PTR_LIST(kest_block);
 
kest_block_operand operand_const_zero()
{
    kest_block_operand res;
    res.type = BLOCK_OPERAND_TYPE_R;
    res.addr = ZERO_REGISTER_ADDR;
    return res;
}
 
kest_block_operand operand_const_one()
{
    kest_block_operand res;
    res.type = BLOCK_OPERAND_TYPE_R;
    res.addr = POS_ONE_REGISTER_ADDR;
    return res;
}
 
kest_block_operand operand_const_minus_one()
{
    kest_block_operand res;
    res.type = BLOCK_OPERAND_TYPE_R;
    res.addr = NEG_ONE_REGISTER_ADDR;
    return res;
}
 
int kest_init_block(kest_block *block)
{
    if (!block)
        return ERR_NULL_PTR;
    
    block->instr = BLOCK_INSTR_NOP;
    
    block->arg_a.type = BLOCK_OPERAND_TYPE_C;
    block->arg_a.addr = 0;
    block->arg_b.type = BLOCK_OPERAND_TYPE_C;
    block->arg_b.addr = 0;
    block->arg_c.type = BLOCK_OPERAND_TYPE_C;
    block->arg_c.addr = 0;
    
    block->dest = 0;
    
    block->reg_0.format = 0;
    block->reg_0.active = 0;
    block->reg_0.expr = NULL;
    
    block->reg_1.format = 0;
    block->reg_1.active = 0;
    block->reg_1.expr = NULL;
    
    block->shift = 0;
    block->shift_set = 0;
    block->saturate_disable = 0;
    
    block->res = NULL;
    
    return NO_ERROR;
}