/* IScanner */
static inline int ParseSection(struct IParse *parse, struct ISettings *settings)
{
ParseComment(parse);
ParseSkip(parse);
int code = ParsePeek(parse, 0);
if (!(code == '[')) {
return 0;
}
ParseRead(parse); /* [ */
ParseSkip(parse);
/* Section Name */
char name[MAX_NAME];
if (!ParseName(parse, name, MAX_NAME)) {
return 0;
}
ParseSkip(parse);
code = ParsePeek(parse, 0);
if (!(code == ']')) {
return 0;
}
ParseRead(parse); /* "]" */
HSECTION section = NULL;
if (!(section = CreateSection(settings, name))) {
return 0;
}
while (ParseValue(parse, section));
return 1;
}
HRESULT Vc4Disasm::ParseMulOp(VC4_QPU_INSTRUCTION Instruction)
{
this->xprintf(TEXT("%s%s%s "),
(VC4_QPU_IS_OPCODE_MUL_MOV(Instruction) ? VC4_QPU_Name_Op_Move : VC4_QPU_LOOKUP_STRING(OPCODE_MUL, VC4_QPU_GET_OPCODE_MUL(Instruction))),
(VC4_QPU_IS_SETFLAGS_SET(Instruction) ? VC4_QPU_Name_SetFlag : VC4_QPU_Name_Empty),
(VC4_QPU_IS_OPCODE_MUL_NOP(Instruction) ? VC4_QPU_Name_Empty : VC4_QPU_LOOKUP_STRING(COND, VC4_QPU_GET_COND_MUL(Instruction))));
if (!VC4_QPU_IS_OPCODE_MUL_NOP(Instruction))
{
ParseWrite(Instruction, false);
this->xprintf(TEXT(", "));
if (!VC4_QPU_IS_OPCODE_MUL_MOV(Instruction))
{
ParseRead(Instruction, VC4_QPU_GET_MUL_A(Instruction));
this->xprintf(TEXT(", "));
}
if (VC4_QPU_IS_OPCODE_LOAD_SM(Instruction) && (VC4_QPU_GET_MUL_B(Instruction) == VC4_QPU_ALU_REG_B))
{
ParseSmallImmediate(Instruction);
}
else
{
ParseRead(Instruction, VC4_QPU_GET_MUL_B(Instruction));
}
}
return S_OK;
}
/* IScanner */
static inline int ParseValue(struct IParse *parse, struct ISection *section)
{
ParseComment(parse);
ParseSkip(parse);
/* Value Name */
char name[MAX_NAME];
if (!ParseName(parse, name, MAX_NAME)) {
return 0;
}
ParseSkip(parse);
int code = ParsePeek(parse, 0);
if (!(code == '=')) {
return 0;
}
ParseRead(parse); /* = */
ParseSkip(parse);
/* Value Data */
char data[MAX_VALUE];
if (!ParseData(parse, data, MAX_VALUE)) {
return 0;
}
AddSectionString(section, name, data);
return 1;
}
/* IScanner */
static inline int ParseSkip(struct IParse *parse)
{
int code = 0;
while ((code = ParsePeek(parse, 0)) != -1)
{
switch (code) {
case TOKEN_TAB:
case TOKEN_SPACE:
ParseRead(parse);
continue;
case TOKEN_CR:
case TOKEN_LF:
ParseRead(parse);
parse->col = 1;
parse->line++;
continue;
default:
return 1;
}
}
return 0;
}
/* IScanner */
static inline int ParseData(struct IParse *parse, char *string, unsigned int length)
{
int index = 0;
memset(string, 0, length);
while (IsDataValid(ParsePeek(parse, 0)))
{
if (index >= length) {
string[length-1] = '\0';
break;
}
string[index] = (char)ParseRead(parse);
index++;
}
return 1;
}
/* IScanner */
static inline int ParseCommentLine(struct IParse *parse)
{
ParseSkip(parse);
if (!IsComment(parse)) {
return 0;
}
int code = 0;
while ((code = ParseRead(parse)) != -1) {
if (IsNewline(code)) {
return 1;
}
}
return 1;
}
uint64_t ParseRead(
const hash_event::HasherStateData & state,
const uint64_t previous_total_bytes_read,
const uint64_t bytes_read,
const char * const buffer
)
{
if (bytes_read == 0)
return previous_total_bytes_read;
auto & hasher = state->primary_hasher;
auto & chunk_hasher = state->chunk_hasher;
auto & chunk_hashes = state->chunk_hashes;
const auto & chunk_ranges = state->chunk_ranges;
const auto current_chunk_num = chunk_hashes.size();
const auto read_start = previous_total_bytes_read;
const auto read_end = read_start + bytes_read;
const auto chunk_range = chunk_ranges.at(current_chunk_num);
hasher.Update(bytes_read, buffer);
// New range must occur when read_end == chunk range end, not on start.
assert (read_start < chunk_range.second);
if (read_end < chunk_range.second)
{
// Current read is completely in current range
chunk_hasher.Update(bytes_read, buffer);
return previous_total_bytes_read + bytes_read;
}
else
{
// If read : 2 3 | 4 5 6 7
// Chunk span first: 2,4
// Chunk span second: 4,8
// Bytes remaining in current chunk: 2 ( 4 - 2 )
// Bytes remaining in next chunk: 4 ( 6 - current chunk bytes )
const auto bytes_to_first_chunk =
chunk_range.second - read_start;
const auto unparsed_bytes =
bytes_read - bytes_to_first_chunk;
// Complete this chunk
chunk_hasher.Update(bytes_to_first_chunk, buffer);
chunk_hashes.push_back( chunk_hasher.Digest() );
chunk_hasher = ::mf::utils::Sha256Hasher();
// Bytes are now processed, increment read position
const auto new_total_bytes_read =
previous_total_bytes_read + bytes_to_first_chunk;
// Process remaining read data recursively if any left
if (unparsed_bytes > 0)
{
return ParseRead(
state,
new_total_bytes_read,
unparsed_bytes,
buffer + bytes_to_first_chunk);
}
else
{
return new_total_bytes_read;
}
}
}