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Refactor memory allocation implementation and add KernelReserve flag to memory mappings

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This commit is contained in:
EnderIce2
2024-03-19 03:57:30 +02:00
parent 1bd58a309f
commit b35045e7ca
9 changed files with 610 additions and 562 deletions
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16
core/memory/memory.cpp
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@ -122,13 +122,13 @@ NIF void MapFramebuffer(PageTable *PT)
{
vmm.OptimizedMap(bInfo.Framebuffer[itrfb].BaseAddress,
bInfo.Framebuffer[itrfb].BaseAddress,
fbSize, RW | G);
fbSize, RW | G | KRsv);
}
else
{
vmm.Map(bInfo.Framebuffer[itrfb].BaseAddress,
bInfo.Framebuffer[itrfb].BaseAddress,
fbSize, RW | G);
fbSize, RW | G | KRsv);
}
itrfb++;
}
@ -190,7 +190,7 @@ NIF void MapKernel(PageTable *PT)
{
for (k = BootstrapStart; k < BootstrapEnd; k += PAGE_SIZE)
{
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G);
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G | KRsv);
KernelAllocator.ReservePage((void *)BaseKernelMapAddress);
BaseKernelMapAddress += PAGE_SIZE;
}
@ -204,7 +204,7 @@ NIF void MapKernel(PageTable *PT)
/* Text section */
for (k = KernelTextStart; k < KernelTextEnd; k += PAGE_SIZE)
{
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G);
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G | KRsv);
KernelAllocator.ReservePage((void *)BaseKernelMapAddress);
BaseKernelMapAddress += PAGE_SIZE;
}
@ -212,7 +212,7 @@ NIF void MapKernel(PageTable *PT)
/* Data section */
for (k = KernelDataStart; k < KernelDataEnd; k += PAGE_SIZE)
{
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G);
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G | KRsv);
KernelAllocator.ReservePage((void *)BaseKernelMapAddress);
BaseKernelMapAddress += PAGE_SIZE;
}
@ -220,7 +220,7 @@ NIF void MapKernel(PageTable *PT)
/* Read only data section */
for (k = KernelRoDataStart; k < KernelRoDataEnd; k += PAGE_SIZE)
{
vmm.Map((void *)k, (void *)BaseKernelMapAddress, G);
vmm.Map((void *)k, (void *)BaseKernelMapAddress, G | KRsv);
KernelAllocator.ReservePage((void *)BaseKernelMapAddress);
BaseKernelMapAddress += PAGE_SIZE;
}
@ -228,7 +228,7 @@ NIF void MapKernel(PageTable *PT)
/* Block starting symbol section */
for (k = KernelBssStart; k < KernelBssEnd; k += PAGE_SIZE)
{
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G);
vmm.Map((void *)k, (void *)BaseKernelMapAddress, RW | G | KRsv);
KernelAllocator.ReservePage((void *)BaseKernelMapAddress);
BaseKernelMapAddress += PAGE_SIZE;
}
@ -240,7 +240,7 @@ NIF void MapKernel(PageTable *PT)
{
for (k = KernelFileStart; k < KernelFileEnd; k += PAGE_SIZE)
{
vmm.Map((void *)k, (void *)k, G);
vmm.Map((void *)k, (void *)k, G | KRsv);
KernelAllocator.ReservePage((void *)k);
}
}