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Search for SMBIOS & RSDP if the bootloader doesn't provide them

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This commit is contained in:
Alex
2023-09-07 02:58:20 +03:00
parent a452b9acd1
commit fcf1e7528e
3 changed files with 105 additions and 56 deletions
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12
Core/Memory/ReserveEssentials.cpp
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@@ -162,19 +162,11 @@ namespace Memory
debug("Reserving RSDT...");
this->ReservePages((void *)bInfo.RSDP, TO_PAGES(sizeof(BootInfo::RSDPInfo)));
#if defined(a64)
if ((uintptr_t)ACPIPtr > 0x7FE00000) /* FIXME */
if (!Memory::Virtual().Check(ACPIPtr))
{
error("ACPI table is located above 0x7FE00000, which is not mapped.");
error("ACPI table is located in an unmapped region.");
return;
}
#elif defined(a32)
if ((uintptr_t)ACPIPtr > 0x2800000) /* FIXME */
{
error("ACPI table is located above 0x2800000, which is not mapped.");
return;
}
#endif
size_t TableSize = ((ACPIPtr->Length - sizeof(ACPI::ACPI::ACPIHeader)) /
(XSDT ? 8 : 4));