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Lines 1475-1480
sys_kldsym(struct thread *td, struct kldsym_args *uap)
Link Here
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| 1475 |
return (error); |
1475 |
return (error); |
| 1476 |
} |
1476 |
} |
| 1477 |
|
1477 |
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|
1478 |
#define MODLIST_NEWMOD_HIST_SLOTS 256 |
| 1479 |
static volatile char const* modlist_newmod_lookup_name= NULL; // NULL: No problem found. |
| 1480 |
static volatile int modlist_newmod_hist_pos= MODLIST_NEWMOD_HIST_SLOTS; // First update will wrap to 0 first. |
| 1481 |
static volatile int modlist_newmod_tqe_next_changed_at= MODLIST_NEWMOD_HIST_SLOTS; // I.E.: No such found. |
| 1482 |
static modlist_t modlist_newmod_tqe_next_newvalue= NULL; // NULL: No such found. |
| 1483 |
static struct modlist_newmod_hist_type { |
| 1484 |
modlist_t modAddr; |
| 1485 |
linker_file_t containerAddr; |
| 1486 |
char const* modnameAddr; |
| 1487 |
int version; |
| 1488 |
} modlist_newmod_hist[MODLIST_NEWMOD_HIST_SLOTS]; |
| 1489 |
|
| 1478 |
/* |
1490 |
/* |
| 1479 |
* Preloaded module support |
1491 |
* Preloaded module support |
| 1480 |
*/ |
1492 |
*/ |
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Lines 1484-1489
modlist_lookup(const char *name, int ver)
Link Here
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| 1484 |
{ |
1496 |
{ |
| 1485 |
modlist_t mod; |
1497 |
modlist_t mod; |
| 1486 |
|
1498 |
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|
1499 |
if (modlist_newmod_hist_pos<MODLIST_NEWMOD_HIST_SLOTS) |
| 1500 |
{ |
| 1501 |
int modlist_newmod_rescan_start_at = 0; |
| 1502 |
if (16 <= modlist_newmod_hist_pos) modlist_newmod_rescan_start_at= modlist_newmod_hist_pos-16; |
| 1503 |
for (int scan_pos= modlist_newmod_rescan_start_at; scan_pos<modlist_newmod_hist_pos; ++scan_pos) |
| 1504 |
if(modlist_newmod_hist[scan_pos].modAddr->link.tqe_next != modlist_newmod_hist[scan_pos+1].modAddr) |
| 1505 |
{ |
| 1506 |
modlist_newmod_lookup_name= name; |
| 1507 |
modlist_newmod_tqe_next_changed_at= scan_pos; |
| 1508 |
modlist_newmod_tqe_next_newvalue= modlist_newmod_hist[scan_pos].modAddr->link.tqe_next; |
| 1509 |
panic("modlist_lookup: a prior tqe_next changed!"); |
| 1510 |
} |
| 1511 |
} |
| 1512 |
|
| 1487 |
TAILQ_FOREACH(mod, &found_modules, link) { |
1513 |
TAILQ_FOREACH(mod, &found_modules, link) { |
| 1488 |
if (strcmp(mod->name, name) == 0 && |
1514 |
if (strcmp(mod->name, name) == 0 && |
| 1489 |
(ver == 0 || mod->version == ver)) |
1515 |
(ver == 0 || mod->version == ver)) |
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Lines 1521-1532
modlist_newmodule(const char *modname, int version, linker_file_t container)
Link Here
|
| 1521 |
modlist_t mod; |
1547 |
modlist_t mod; |
| 1522 |
|
1548 |
|
| 1523 |
mod = malloc(sizeof(struct modlist), M_LINKER, M_NOWAIT | M_ZERO); |
1549 |
mod = malloc(sizeof(struct modlist), M_LINKER, M_NOWAIT | M_ZERO); |
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|
1550 |
|
| 1551 |
++modlist_newmod_hist_pos; |
| 1552 |
if (MODLIST_NEWMOD_HIST_SLOTS<=modlist_newmod_hist_pos) modlist_newmod_hist_pos= 0; |
| 1553 |
#undef MODLIST_NEWMOD_HIST_SLOTS |
| 1554 |
modlist_newmod_hist[modlist_newmod_hist_pos].modAddr= mod; |
| 1555 |
modlist_newmod_hist[modlist_newmod_hist_pos].containerAddr= container; |
| 1556 |
modlist_newmod_hist[modlist_newmod_hist_pos].modnameAddr= modname; |
| 1557 |
modlist_newmod_hist[modlist_newmod_hist_pos].version= version; |
| 1558 |
|
| 1524 |
if (mod == NULL) |
1559 |
if (mod == NULL) |
| 1525 |
panic("no memory for module list"); |
1560 |
panic("no memory for module list"); |
|
|
1561 |
|
| 1562 |
if (mod < (modlist_t)0xfffff80000000100) |
| 1563 |
panic("modlist_newmodule: mod < (modlist_t)PHYS_TO_DMAP(0x100)"); |
| 1564 |
|
| 1526 |
mod->container = container; |
1565 |
mod->container = container; |
| 1527 |
mod->name = modname; |
1566 |
mod->name = modname; |
| 1528 |
mod->version = version; |
1567 |
mod->version = version; |
| 1529 |
TAILQ_INSERT_TAIL(&found_modules, mod, link); |
1568 |
TAILQ_INSERT_TAIL(&found_modules, mod, link); |
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|
1569 |
|
| 1570 |
if ( 0 < modlist_newmod_hist_pos |
| 1571 |
|| modlist_newmod_hist[modlist_newmod_hist_pos-1].modAddr->link.tqe_next != mod |
| 1572 |
) |
| 1573 |
panic("modlist_newmodule: prior node's tqe_next has bad value."); |
| 1574 |
|
| 1575 |
if ( strcmp(modlist_newmod_hist[modlist_newmod_hist_pos-1].modnameAddr,"amdgpu_raven_mec_bin_fw")==0 |
| 1576 |
|| strcmp(modlist_newmod_hist[modlist_newmod_hist_pos-1].modnameAddr,"amdgpu_raven_me_bin_fw")==0 |
| 1577 |
|| strcmp(modlist_newmod_hist[modlist_newmod_hist_pos-1].modnameAddr,"amdgpu_raven_mec2_bin_fw")==0 |
| 1578 |
) |
| 1579 |
db_hwatchpoint_cmd |
| 1580 |
( (db_expr_t)(void*)&modlist_newmod_hist[modlist_newmod_hist_pos-1].modAddr->link.tqe_next |
| 1581 |
, true |
| 1582 |
, 8 |
| 1583 |
, NULL |
| 1584 |
); |
| 1585 |
|
| 1530 |
return (mod); |
1586 |
return (mod); |
| 1531 |
} |
1587 |
} |