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Split dmaFail PPL write include

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khanhduytran0
2026-06-16 14:17:20 +07:00
parent 9c7ece5b68
commit 127308eda8
2 changed files with 53 additions and 51 deletions
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src/payload_377bed/entry1_type0x09_dmafail_ppl.inc
+52
View File
@@ -0,0 +1,52 @@
//----- (000000000002B464) ----------------------------------------------------
__int64 __fastcall physwrite64_maybe(struct_krwCtx *krwCtx, unsigned __int64 paddr, __int64 value_1)
{
__int64 value; // [xsp+8h] [xbp-8h] BYREF
value = value_1;
if ( krwCtx->xnuVersionPacked >= XNU_VERSION_PACKED(10002, 60, 75, 0, 3) && (krwCtx->flags & KRW_CTX_FLAG_PAC_KERNEL_LAYOUT) != 0 )
return physwritebuf_direct_mapped(krwCtx, paddr, &value, 8u, 0);
else
return dmaFail_physwritebuf_ppl(krwCtx, paddr, &value, 8u);
}
//----- (000000000002B4C8) ----------------------------------------------------
__int64 __fastcall dmaFail_physwritebuf_ppl(struct_krwCtx *krwCtx, __int64 paddr, uint64_t *data, unsigned int size)
{
vm_size_t v4; // x19
__int64 result; // x0
vm_size_t v9; // x23
__int64 v10; // x8
void *v11; // x1
void *__dst; // [xsp+8h] [xbp-38h] BYREF
__dst = 0;
v4 = vm_page_size;
if ( paddr + (unsigned __int64)size > (-(__int64)vm_page_size & paddr) + vm_page_size )
return 708609;
v9 = vm_page_mask;
result = physmap_maybe(krwCtx, (vm_address_t *)&__dst, vm_page_size, paddr);
if ( !(uint32_t)result )
{
v10 = v9 & paddr;
if ( size == 8 )
{
v11 = __dst;
*(uint64_t *)((char *)__dst + v10) = *data;
}
else if ( size == 4 )
{
v11 = __dst;
*(uint32_t *)((char *)__dst + v10) = *(uint32_t *)data;
}
else
{
memcpy(__dst, data, size);
v11 = __dst;
}
vm_deallocate(mach_task_self_, (vm_address_t)v11, v4);
return 0;
}
return result;
}
src/payload_377bed/entry1_type0x09_dmafail_write.inc
+1 -51
View File
@@ -6904,57 +6904,7 @@ kern_return_t ioconnect_struct_method_kwrite(struct_krwCtx *krwCtx, uint64_t vad
// 2B418: variable 'v25' is possibly undefined
// 2B450: variable 'v26' is possibly undefined
//----- (000000000002B464) ----------------------------------------------------
__int64 __fastcall physwrite64_maybe(struct_krwCtx *krwCtx, unsigned __int64 paddr, __int64 value_1)
{
__int64 value; // [xsp+8h] [xbp-8h] BYREF
value = value_1;
if ( krwCtx->xnuVersionPacked >= XNU_VERSION_PACKED(10002, 60, 75, 0, 3) && (krwCtx->flags & KRW_CTX_FLAG_PAC_KERNEL_LAYOUT) != 0 )
return physwritebuf_direct_mapped(krwCtx, paddr, &value, 8u, 0);
else
return dmaFail_physwritebuf_ppl(krwCtx, paddr, &value, 8u);
}
//----- (000000000002B4C8) ----------------------------------------------------
__int64 __fastcall dmaFail_physwritebuf_ppl(struct_krwCtx *krwCtx, __int64 paddr, uint64_t *data, unsigned int size)
{
vm_size_t v4; // x19
__int64 result; // x0
vm_size_t v9; // x23
__int64 v10; // x8
void *v11; // x1
void *__dst; // [xsp+8h] [xbp-38h] BYREF
__dst = 0;
v4 = vm_page_size;
if ( paddr + (unsigned __int64)size > (-(__int64)vm_page_size & paddr) + vm_page_size )
return 708609;
v9 = vm_page_mask;
result = physmap_maybe(krwCtx, (vm_address_t *)&__dst, vm_page_size, paddr);
if ( !(uint32_t)result )
{
v10 = v9 & paddr;
if ( size == 8 )
{
v11 = __dst;
*(uint64_t *)((char *)__dst + v10) = *data;
}
else if ( size == 4 )
{
v11 = __dst;
*(uint32_t *)((char *)__dst + v10) = *(uint32_t *)data;
}
else
{
memcpy(__dst, data, size);
v11 = __dst;
}
vm_deallocate(mach_task_self_, (vm_address_t)v11, v4);
return 0;
}
return result;
}
#include "entry1_type0x09_dmafail_ppl.inc"
//----- (000000000002B5BC) ----------------------------------------------------
__int64 __fastcall necp_ioservice_auth_write(struct_krwCtx *krwCtx, __int64 a2)