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freedreno/afuc: Split out helpers to parse labels and packet-table

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Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10944>
This commit is contained in:
Rob Clark 2021-05-27 11:35:21 -07:00 • committed by Marge Bot
parent 9a4ca194e8
commit ea2e244198
1 changed files with 30 additions and 13 deletions
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43
src/freedreno/afuc/disasm.c
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@ -709,26 +709,26 @@ disasm_instr(uint32_t *instrs, unsigned pc)
}
static void
disasm(uint32_t *buf, int sizedwords)
setup_packet_table(uint32_t *jmptbl, uint32_t sizedwords)
{
uint32_t *instrs = buf;
const int jmptbl_start = instrs[1] & 0xffff;
uint32_t *jmptbl = &buf[jmptbl_start];
afuc_opc opc;
bool rep;
int i;
num_jump_labels = 0;
/* parse jumptable: */
for (i = 0; i < 0x80; i++) {
for (unsigned i = 0; i < sizedwords; i++) {
unsigned offset = jmptbl[i];
unsigned n = i; // + CP_NOP;
add_jump_table_entry(n, offset);
}
}
/* do a pre-pass to find instructions that are potential branch targets,
* and add labels for them:
*/
for (i = 0; i < jmptbl_start; i++) {
static void
setup_labels(uint32_t *instrs, uint32_t sizedwords)
{
afuc_opc opc;
bool rep;
num_label_offsets = 0;
for (unsigned i = 0; i < sizedwords; i++) {
afuc_instr *instr = (void *)&instrs[i];
afuc_get_opc(instr, &opc, &rep);
@ -755,6 +755,23 @@ disasm(uint32_t *buf, int sizedwords)
break;
}
}
}
static void
disasm(uint32_t *buf, int sizedwords)
{
uint32_t *instrs = buf;
const int jmptbl_start = instrs[1] & 0xffff;
uint32_t *jmptbl = &buf[jmptbl_start];
int i;
/* parse jumptable: */
setup_packet_table(jmptbl, 0x80);
/* do a pre-pass to find instructions that are potential branch targets,
* and add labels for them:
*/
setup_labels(instrs, jmptbl_start);
if (emulator) {
struct emu state = {