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intel: gen-decoder: print all dword a field belongs to

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Prior to printing a decoded field, print out all dwords that field
belongs to. In particular with address fields spanning multiple
dwords, we want to have all the dwords presented before the field is
decoded to make it easier to read.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Scott D Phillips <scott.d.phillips@intel.com>
This commit is contained in:
Lionel Landwerlin 2018-04-03 11:45:24 +01:00
parent 4d59127213
commit 78c18d99dc
2 changed files with 9 additions and 7 deletions
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13
src/intel/common/gen_decoder.c
View file

@ -841,7 +841,8 @@ iter_advance_field(struct gen_field_iterator *iter)
int group_member_offset = iter_group_offset_bits(iter, iter->group_iter);
iter->bit = group_member_offset + iter->field->start;
iter->start_bit = group_member_offset + iter->field->start;
iter->end_bit = group_member_offset + iter->field->end;
iter->struct_desc = NULL;
return true;
@ -852,10 +853,10 @@ iter_decode_field_raw(struct gen_field_iterator *iter, uint64_t *qw)
{
*qw = 0;
int field_start = iter->p_bit + iter->bit;
int field_end = field_start + (iter->field->end - iter->field->start);
int field_start = iter->p_bit + iter->start_bit;
int field_end = iter->p_bit + iter->end_bit;
const uint32_t *p = iter->p + (iter->bit / 32);
const uint32_t *p = iter->p + (iter->start_bit / 32);
if (iter->p_end && p >= iter->p_end)
return false;
@ -1040,7 +1041,7 @@ gen_print_group(FILE *outfile, struct gen_group *group, uint64_t offset,
gen_field_iterator_init(&iter, group, p, p_bit, color);
do {
int iter_dword = iter.bit / 32;
int iter_dword = iter.end_bit / 32;
if (last_dword != iter_dword) {
for (int i = last_dword + 1; i <= iter_dword; i++)
print_dword_header(outfile, &iter, offset, i);
@ -1051,7 +1052,7 @@ gen_print_group(FILE *outfile, struct gen_group *group, uint64_t offset,
if (iter.struct_desc) {
uint64_t struct_offset = offset + 4 * iter_dword;
gen_print_group(outfile, iter.struct_desc, struct_offset,
&p[iter_dword], iter.bit % 32, color);
&p[iter_dword], iter.start_bit % 32, color);
}
}
} while (gen_field_iterator_next(&iter));

3
src/intel/common/gen_decoder.h
View file

@ -73,7 +73,8 @@ struct gen_field_iterator {
const uint32_t *p;
int p_bit; /**< bit offset into p */
const uint32_t *p_end;
int bit; /**< current field starts at this bit offset into p */
int start_bit; /**< current field starts at this bit offset into p */
int end_bit; /**< current field ends at this bit offset into p */
int group_iter;