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get vpiStringVal from vec4 stack positions.

This commit is contained in:
Stephen Williams 2014-01-06 08:35:49 -08:00
parent fcc0a6a203
commit 19402aeef2
1 changed files with 37 additions and 0 deletions
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37
vvp/vpi_vthr_vector.cc
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@ -708,6 +708,8 @@ class __vpiVThrVec4Stack : public __vpiHandle {
int get_type_code(void) const;
int vpi_get(int code);
void vpi_get_value(p_vpi_value val);
private:
void vpi_get_value_string_(p_vpi_value val, const vvp_vector4_t&val);
private:
unsigned depth_;
};
@ -746,6 +748,10 @@ void __vpiVThrVec4Stack::vpi_get_value(p_vpi_value vp)
vvp_vector4_t val = vthread_get_vec4_stack(vpip_current_vthread, depth_);
switch (vp->format) {
case vpiStringVal:
vpi_get_value_string_(vp, val);
break;
default:
fprintf(stderr, "internal error: vpi_get_value(<format=%d>)"
" not implemented for __vpiVThrVec4Stack.\n", vp->format);
@ -754,6 +760,37 @@ void __vpiVThrVec4Stack::vpi_get_value(p_vpi_value vp)
}
void __vpiVThrVec4Stack::vpi_get_value_string_(p_vpi_value vp, const vvp_vector4_t&val)
{
char*rbuf = need_result_buf((val.size() / 8) + 1, RBUF_VAL);
char*cp = rbuf;
char tmp = 0;
for (int bitnr = val.size()-1 ; bitnr >= 0 ; bitnr -= 1) {
tmp <<= 1;
switch (val.value(bitnr)) {
case BIT4_1:
tmp |= 1;
break;
case BIT4_0:
default:
break;
}
if ((bitnr&7)==0) {
// Don't include leading nuls
if (tmp == 0 && cp == rbuf)
continue;
*cp++ = tmp? tmp : ' ';
tmp = 0;
}
}
*cp++ = 0;
vp->format = vpiStringVal;
vp->value.str = rbuf;
}
vpiHandle vpip_make_vthr_str_stack(unsigned depth)
{
class __vpiVThrStrStack*obj = new __vpiVThrStrStack(depth);