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Remove obsolete private VPI functions.

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This commit is contained in:
Martin Whitaker
2019-09-13 08:40:58 +01:00
parent a0ef6c4b62
commit a6bcbc3d1d
2 changed files with 1 additions and 427 deletions
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vpi/sys_darray.c
-302
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@@ -97,287 +97,6 @@ static PLI_INT32 dobject_size_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
return 0;
}
static PLI_INT32 to_from_vec_compiletf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv, arg;
argv = vpi_iterate(vpiArgument, callh);
if (argv == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s requires two arguments.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
/* The first argument must be a dynamic array. */
arg = vpi_scan(argv); /* This should never be zero. */
assert(arg);
if (vpi_get(vpiType, arg) != vpiArrayVar) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s first argument must be a dynamic array, "
"given a %s.\n", name, vpi_get_str(vpiType, arg));
vpi_control(vpiFinish, 1);
}
if (vpi_get(vpiArrayType, arg) != vpiDynamicArray) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s first argument must be a dynamic array.\n", name);
vpi_control(vpiFinish, 1);
}
// HERE: Still need to verify that this is not a real or string array.
// That will require adding TypeSpec support to the VPI.
/* The second argument must be a net, reg or bit variable. */
arg = vpi_scan(argv);
if (arg == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s requires a second argument.\n", name);
vpi_control(vpiFinish, 1);
}
switch(vpi_get(vpiType, arg)) {
case vpiNet:
case vpiReg:
case vpiBitVar:
case vpiIntegerVar:
case vpiConstant:
break;
default:
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s second argument must be a logical net or "
"variable.\n", name);
vpi_control(vpiFinish, 1);
}
arg = vpi_scan(argv);
if (arg != 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s has too many arguments.\n", name);
vpi_control(vpiFinish, 1);
vpi_free_object(argv);
}
return 0;
}
static const size_t BPW = 8 * sizeof(PLI_INT32);
static const size_t BPWM1 = 8 * sizeof(PLI_INT32) - 1;
static PLI_INT32 to_vec_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
vpiHandle darr = vpi_scan(argv);
vpiHandle vec = vpi_scan(argv);
vpi_free_object(argv);
/* Calculate and check the basic array and vector information. */
int darr_size = vpi_get(vpiSize, darr);
int darr_word_size = vpi_get(vpiSize, vpi_handle_by_index(darr, 0));
assert(darr_word_size > 0);
int darr_bit_size = darr_size * darr_word_size;
int vec_size = vpi_get(vpiSize, vec);
if (darr_size <= 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s cannot cast an empty dynamic array.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
if (darr_bit_size != vec_size) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s dynamic array and vector size do not match "
"(%d != %d).\n", name, darr_bit_size, vec_size);
vpi_control(vpiFinish, 1);
return 0;
}
/* Calculate the number of words needed to hold the dynamic array
* bits and allocate enough space for them. */
size_t vec_words = (darr_bit_size + BPWM1) / BPW;
s_vpi_vecval *vec_val = calloc(vec_words, sizeof(s_vpi_vecval));
s_vpi_vecval *vec_ptr = vec_val;
/* The number of words in each array element. */
unsigned darr_words = (darr_word_size + BPWM1) / BPW;
/* The offset in bits into the current vector value. */
unsigned offset = 0;
/* We want to get each array word as a vector. */
s_vpi_value darr_val;
darr_val.format = vpiVectorVal;
/* We have to reverse the order of the dynamic array words. */
for (PLI_INT32 i = darr_size - 1; i >= 0; --i) {
/* Get the vector value for the current array word. */
vpiHandle darr_word = vpi_handle_by_index(darr, i);
vpi_get_value(darr_word, &darr_val);
assert(darr_val.format == vpiVectorVal);
/* The number of bits to copy for this array word. */
unsigned bits_to_copy = (unsigned)darr_word_size;
/* Copy the current array bits to the vector and update the
* the vector pointer accordingly. */
for (unsigned j = 0; j < darr_words; ++j) {
/* Get the current array part and copy it into the
* correct place. */
PLI_UINT32 aval = darr_val.value.vector->aval;
PLI_UINT32 bval = darr_val.value.vector->bval;
assert(offset < BPW);
vec_ptr->aval |= (aval << offset);
vec_ptr->bval |= (bval << offset);
/* Calculate the new offset into the vector. */
offset += (bits_to_copy > BPW) ? BPW : bits_to_copy;
/* If the new offset is past the end of the vector part
* then the next vector part also needs to be used. */
if (offset >= BPW) {
++vec_ptr;
/* Does the current array part also go into the
* next vector part? */
if (offset > BPW) {
/* This code has not been tested since the
* current implementation only supports dynamic
* array elements of size 8, 16, 32 or 64 bits
* so currently this code is never run. For
* now assert since it has not been checked. */
assert(0);
/* Copy the rest of the array part that did not
* fit in the previous vector part to the next
* vector part. */
offset -= BPW;
vec_ptr->aval |= (aval >> (darr_word_size -
offset));
vec_ptr->bval |= (bval >> (darr_word_size -
offset));
/* Start at the beginning of the next vector part. */
} else {
offset = 0;
}
}
/* Advance to the next part of the array. */
bits_to_copy -= BPW;
darr_val.value.vector++;
}
}
/* Put the result to the vector and free the allocated space. */
darr_val.format = vpiVectorVal;
darr_val.value.vector = vec_val;
vpi_put_value(vec, &darr_val, 0, vpiNoDelay);
free(vec_val);
return 0;
}
static PLI_INT32 from_vec_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
vpiHandle darr = vpi_scan(argv);
vpiHandle vec = vpi_scan(argv);
vpi_free_object(argv);
/* Calculate and check the basic array and vector information. */
int darr_size = vpi_get(vpiSize, darr);
int darr_word_size = vpi_get(vpiSize, vpi_handle_by_index(darr, 0));
assert(darr_word_size > 0);
int darr_bit_size = darr_size * darr_word_size;
int vec_size = vpi_get(vpiSize, vec);
if (vec_size <= 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s cannot cast an empty vector array.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
if (darr_bit_size != vec_size) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s dynamic array and vector size do not match "
"(%d != %d).\n", name, darr_bit_size, vec_size);
vpi_control(vpiFinish, 1);
return 0;
}
/* Calculate the number of words needed to hold the dynamic array
* word bits and allocate enough space for them. */
size_t darr_words = (darr_word_size + BPWM1) / BPW;
s_vpi_vecval *darr_val = calloc(darr_words, sizeof(s_vpi_vecval));
/* Get the vector value. */
s_vpi_value vec_val;
vec_val.format = vpiVectorVal;
vpi_get_value(vec, &vec_val);
/* The offset in bits into the vector value. */
unsigned offset = 0;
/* We have to reverse the order of the dynamic array words. */
for (int i = darr_size - 1; i >= 0; --i) {
unsigned bits_to_copy = darr_word_size;
s_vpi_vecval *darr_ptr = darr_val;
/* Copy some of the vector bits to the current array word. */
while (bits_to_copy > 0) {
unsigned copied_bits = (bits_to_copy > BPW) ? BPW :
bits_to_copy;
/* Start with the current vector part. */
PLI_UINT32 aval = vec_val.value.vector[offset / BPW].aval;
PLI_UINT32 bval = vec_val.value.vector[offset / BPW].bval;
/* If this isn't aligned then we may need to get bits
* from the next part as well. */
unsigned rem_bits = offset % BPW;
if (rem_bits) {
aval >>= rem_bits;
aval |= vec_val.value.vector[offset / BPW + 1].aval <<
(BPW - rem_bits);
bval >>= rem_bits;
bval |= vec_val.value.vector[offset / BPW + 1].bval <<
(BPW - rem_bits);
}
/* Advance to the next part of the array and vector. */
darr_ptr->aval = aval;
darr_ptr->bval = bval;
darr_ptr++;
offset += copied_bits;
bits_to_copy -= copied_bits;
}
/* Put part of the vector to the current dynamic array word. */
s_vpi_value result;
result.format = vpiVectorVal;
result.value.vector = darr_val;
vpiHandle darr_word = vpi_handle_by_index(darr, i);
vpi_put_value(darr_word, &result, 0, vpiNoDelay);
}
free(darr_val);
return 0;
}
void sys_darray_register(void)
{
s_vpi_systf_data tf_data;
@@ -392,25 +111,4 @@ void sys_darray_register(void)
tf_data.user_data = "$size";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.sysfunctype = 0;
tf_data.tfname = "$ivl_darray_method$to_vec";
tf_data.calltf = to_vec_calltf;
tf_data.compiletf = to_from_vec_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$ivl_darray_method$to_vec";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.sysfunctype = 0;
tf_data.tfname = "$ivl_darray_method$from_vec";
tf_data.calltf = from_vec_calltf;
tf_data.compiletf = to_from_vec_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$ivl_darray_method$from_vec";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
}