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Extract physmap worker lifecycle helpers

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khanhduytran0
2026-06-17 15:05:17 +07:00
parent 4518146ff4
commit 32e476f4d7
1 changed files with 47 additions and 59 deletions
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src/payload_377bed/entry1_type0x09_iogpu_physmap_engine.inc
+47 -59
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@@ -242,6 +242,31 @@ static inline __int64 physmap_make_worker_memory_entries(
return 0;
}
static inline __int64 physmap_start_worker_threads(pthread_t *threads, unsigned int count, __int64 state)
{
for ( unsigned int i = 0; i < count; ++i )
{
void *(__cdecl *entry)(void *) = (void *(__cdecl *)(void *))nullsub_1(acquire_physmap_page_atomic);
if ( pthread_create(&threads[i], 0, entry, (void *)state) )
return 5;
}
return 0;
}
static inline __int64 physmap_join_worker_threads(pthread_t *threads, unsigned int count)
{
for ( unsigned int i = 0; i < count; ++i )
{
if ( !threads[i] )
continue;
__int64 kr = pthread_join(threads[i], 0);
if ( (uint32_t)kr )
return kr;
threads[i] = 0;
}
return 0;
}
//----- (00000000000068F4) ----------------------------------------------------
void __fastcall deallocate_physmap_pages(__int64 a1)
{
@@ -3422,12 +3447,7 @@ __int64 __fastcall kernel_read_loop_physmap(struct_krwCtx *krwCtx, __int64 a2, u
vm_address_t v29; // x28
__int64 v30; // x0
__int64 memory_entry_64; // x0
pthread_t *v32; // x24
unsigned __int64 v33; // x22
void *(__cdecl *v34)(void *); // x0
unsigned int v35; // w8
pthread_t *v36; // x22
unsigned __int64 v37; // x25
vm_address_t v38; // x25
__int64 v39; // x0
__int64 v40; // x21
@@ -3477,8 +3497,6 @@ __int64 __fastcall kernel_read_loop_physmap(struct_krwCtx *krwCtx, __int64 a2, u
__int64 v87; // x0
unsigned __int8 *v88; // x23
__int64 v89; // x19
pthread_t *v90; // x22
__int64 v91; // x25
unsigned __int64 v92; // x22
bool v93; // w25
vm_address_t v94; // x1
@@ -3511,9 +3529,6 @@ __int64 __fastcall kernel_read_loop_physmap(struct_krwCtx *krwCtx, __int64 a2, u
mem_entry_name_port_t v122; // [xsp+78h] [xbp-418h] BYREF
mach_msg_type_number_t v123; // [xsp+7Ch] [xbp-414h] BYREF
int info[19]; // [xsp+80h] [xbp-410h] BYREF
__int128 v125; // [xsp+90h] [xbp-400h]
__int128 v126; // [xsp+A0h] [xbp-3F0h]
natural_t v127[7]; // [xsp+B0h] [xbp-3E0h] BYREF
natural_t v128; // [xsp+CCh] [xbp-3C4h] BYREF
vm_size_t v129; // [xsp+D0h] [xbp-3C0h] BYREF
vm_address_t v130; // [xsp+D8h] [xbp-3B8h] BYREF
@@ -3524,8 +3539,6 @@ __int64 __fastcall kernel_read_loop_physmap(struct_krwCtx *krwCtx, __int64 a2, u
vm_address_t v135; // [xsp+F8h] [xbp-398h] BYREF
vm_address_t free_region_address;
memory_object_size_t size[10]; // [xsp+100h] [xbp-390h] BYREF
__int128 v137; // [xsp+120h] [xbp-370h]
uint8_t v138[28]; // [xsp+130h] [xbp-360h] BYREF
vm_address_t v139; // [xsp+150h] [xbp-340h] BYREF
mach_port_t name; // [xsp+15Ch] [xbp-334h] BYREF
vm_address_t v141; // [xsp+160h] [xbp-330h] BYREF
@@ -3620,7 +3633,6 @@ LABEL_9:
v42 = physmap_find_free_vm_region(v14 + 2 * vm_page_size, &free_region_address, &v139);
if ( (uint32_t)v42 )
{
LABEL_58:
v19 = 0;
v120 = 0;
goto LABEL_170;
@@ -3711,26 +3723,17 @@ LABEL_169:
&infoCnt);
v11 = v112;
if ( (uint32_t)memory_entry_64 )
goto LABEL_71;
{
v42 = memory_entry_64;
goto LABEL_72;
}
v108 = *(uint32_t *)((char *)size + 0x28);
if ( v112 )
{
v32 = (pthread_t *)v145;
v33 = v113;
while ( 1 )
{
v34 = (void *(__cdecl *)(void *))nullsub_1(acquire_physmap_page_atomic);
if ( pthread_create(v32, 0, v34, (void *)a2) )
break;
++v32;
if ( !--v33 )
goto LABEL_36;
}
LABEL_70:
v42 = 5;
goto LABEL_72;
v42 = physmap_start_worker_threads((pthread_t *)v145, v113, a2);
if ( (uint32_t)v42 )
goto LABEL_72;
}
LABEL_36:
while ( 1 )
{
v35 = atomic_load((unsigned int *)(a2 + 13888));
@@ -3746,31 +3749,28 @@ LABEL_36:
v131 = v19;
memory_entry_64 = mach_make_memory_entry_64(mach_task_self_, &v131, 0, 1, &name, v26);
if ( (uint32_t)memory_entry_64 )
goto LABEL_71;
{
v42 = memory_entry_64;
goto LABEL_72;
}
if ( v131 != v19 )
goto LABEL_70;
{
v42 = 5;
goto LABEL_72;
}
v121 = v7;
atomic_store(1u, (unsigned __int8 *)(a2 + 13884));
if ( v112 )
{
v36 = (pthread_t *)v145;
v37 = v113;
while ( 1 )
memory_entry_64 = physmap_join_worker_threads((pthread_t *)v145, v113);
if ( (uint32_t)memory_entry_64 )
{
memory_entry_64 = pthread_join(*v36, 0);
if ( (uint32_t)memory_entry_64 )
break;
*v36++ = 0;
if ( !--v37 )
goto LABEL_44;
}
LABEL_71:
v42 = memory_entry_64;
v42 = memory_entry_64;
LABEL_72:
v120 = v19;
goto LABEL_170;
v120 = v19;
goto LABEL_170;
}
}
LABEL_44:
v38 = v141;
v129 = 0;
v130 = v141;
@@ -4137,19 +4137,7 @@ LABEL_171:
atomic_store(1u, v88);
if ( v11 )
{
v90 = (pthread_t *)v145;
v91 = v11;
do
{
if ( *v90 )
{
pthread_join(*v90, 0);
*v90 = 0;
}
++v90;
--v91;
}
while ( v91 );
physmap_join_worker_threads((pthread_t *)v145, v11);
}
v92 = 0;
v93 = 1;