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Revert "Kernel: Move Kernel mapping to 0xc0000000"

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This reverts commit bd33c66273.

This broke the network card drivers, since they depended on kmalloc
addresses being identity-mapped.
This commit is contained in:
Andreas Kling 2019-11-23 17:27:09 +01:00
parent f61ed8eab5
commit 9a157b5e81
13 changed files with 64 additions and 132 deletions
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3
Kernel/Arch/i386/CPU.h
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@ -8,8 +8,6 @@
#define PAGE_SIZE 4096
#define PAGE_MASK 0xfffff000
static const u32 kernel_virtual_base = 0xc0000000;
class MemoryManager;
class PageTableEntry;
@ -91,7 +89,6 @@ class PageDirectoryEntry {
public:
PageTableEntry* page_table_base() { return reinterpret_cast<PageTableEntry*>(m_raw & 0xfffff000u); }
PageTableEntry* page_table_virtual_base() { return reinterpret_cast<PageTableEntry*>((m_raw + kernel_virtual_base) & 0xfffff000u); }
void set_page_table_base(u32 value)
{
m_raw &= 0xfff;