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Kernel: More work on Ethernet support.

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This commit is contained in:
Andreas Kling 2019-03-10 23:40:09 +01:00
parent 97664fad60
commit 1678ac69ef
8 changed files with 62 additions and 9 deletions
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7
Kernel/MemoryManager.cpp
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@ -99,6 +99,7 @@ void MemoryManager::initialize_paging()
dbgprintf("MM: Quickmap will use P%x\n", m_quickmap_addr.get());
dbgprintf("MM: Installing page directory\n");
#endif
asm volatile("movl %%eax, %%cr3"::"a"(kernel_page_directory().cr3()));
asm volatile(
"movl %%cr0, %%eax\n"
@ -442,6 +443,12 @@ void MemoryManager::enter_process_paging_scope(Process& process)
asm volatile("movl %%eax, %%cr3"::"a"(process.page_directory().cr3()):"memory");
}
void MemoryManager::enter_kernel_paging_scope()
{
InterruptDisabler disabler;
asm volatile("movl %%eax, %%cr3"::"a"(kernel_page_directory().cr3()):"memory");
}
void MemoryManager::flush_entire_tlb()
{
asm volatile(