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Variable arrays need to keep their signedness. 

Since variable arrays create their elements dynamically the base array
structure for them needs to keep the signedness information.
This commit is contained in:
Cary R 2008-08-27 17:26:20 -07:00 committed by Stephen Williams
parent 370ff9719f
commit 0ae8f744c4
1 changed files with 14 additions and 7 deletions
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21
vvp/array.cc
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@ -75,6 +75,7 @@ struct __vpiArray {
class vvp_fun_arrayport*ports_;
struct __vpiCallback *vpi_callbacks;
bool signed_flag;
};
struct __vpiArrayIterator {
@ -452,7 +453,8 @@ static void vpi_array_var_word_get_value(vpiHandle ref, p_vpi_value value)
unsigned index = decode_array_word_pointer(obj, parent);
unsigned width = parent->vals->width();
vpip_vec4_get_value(parent->vals->get_word(index), width, false, value);
vpip_vec4_get_value(parent->vals->get_word(index), width,
parent->signed_flag, value);
}
static vpiHandle vpi_array_var_word_put_value(vpiHandle ref, p_vpi_value vp, int flags)
@ -635,7 +637,7 @@ static void vpi_array_vthr_A_get_value(vpiHandle ref, p_vpi_value value)
unsigned index = obj->get_address();
vvp_vector4_t tmp = array_get_word(parent, index);
vpip_vec4_get_value(tmp, parent->vals_width, false, value);
vpip_vec4_get_value(tmp, parent->vals_width, parent->signed_flag, value);
}
static vpiHandle vpi_array_vthr_A_put_value(vpiHandle ref, p_vpi_value vp, int)
@ -756,11 +758,14 @@ vvp_vector4_t array_get_word(vvp_array_t arr, unsigned address)
}
static vpiHandle vpip_make_array(char*label, const char*name,
int first_addr, int last_addr)
int first_addr, int last_addr,
bool signed_flag)
{
struct __vpiArray*obj = (struct __vpiArray*)
malloc(sizeof(struct __vpiArray));
obj->signed_flag = signed_flag;
// Assume increasing addresses.
assert(last_addr >= first_addr);
unsigned array_count = last_addr+1-first_addr;
@ -833,7 +838,8 @@ void array_attach_word(vvp_array_t array, unsigned long addr, vpiHandle word)
void compile_var_array(char*label, char*name, int last, int first,
int msb, int lsb, char signed_flag)
{
vpiHandle obj = vpip_make_array(label, name, first, last);
vpiHandle obj = vpip_make_array(label, name, first, last,
signed_flag != 0);
struct __vpiArray*arr = ARRAY_HANDLE(obj);
@ -853,7 +859,7 @@ void compile_var_array(char*label, char*name, int last, int first,
void compile_real_array(char*label, char*name, int last, int first,
int msb, int lsb)
{
vpiHandle obj = vpip_make_array(label, name, first, last);
vpiHandle obj = vpip_make_array(label, name, first, last, true);
struct __vpiArray*arr = ARRAY_HANDLE(obj);
vvp_array_t array = array_find(label);
@ -874,7 +880,7 @@ void compile_real_array(char*label, char*name, int last, int first,
void compile_net_array(char*label, char*name, int last, int first)
{
vpiHandle obj = vpip_make_array(label, name, first, last);
vpiHandle obj = vpip_make_array(label, name, first, last, false);
struct __vpiArray*arr = ARRAY_HANDLE(obj);
arr->nets = (vpiHandle*)calloc(arr->array_count, sizeof(vpiHandle));
@ -981,7 +987,8 @@ void array_word_change(vvp_array_t array, unsigned long addr)
if (cur->cb_data.value)
vpip_vec4_get_value(array->vals->get_word(addr),
array->vals_width,
false, cur->cb_data.value);
array->signed_flag,
cur->cb_data.value);
callback_execute(cur);
prev = cur;