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https://github.com/RGBCube/serenity
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Remove some unused MM functions.
These were just Q&D hacks I used while bringing up the paging code.
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0f70b9105f
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2 changed files with 0 additions and 39 deletions
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@ -207,18 +207,6 @@ Vector<PhysicalAddress> MemoryManager::allocatePhysicalPages(size_t count)
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return pages;
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}
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byte* MemoryManager::quickMapOnePage(PhysicalAddress physicalAddress)
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{
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ASSERT_INTERRUPTS_DISABLED();
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auto pte = ensurePTE(m_kernel_page_directory, LinearAddress(4 * MB));
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kprintf("MM: quickmap %x @ %x {pte @ %p}\n", physicalAddress.get(), 4*MB, pte.ptr());
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pte.setPhysicalPageBase(physicalAddress.pageBase());
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pte.setPresent(true);
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pte.setWritable(true);
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flushTLB(LinearAddress(4 * MB));
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return (byte*)(4 * MB);
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}
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void MemoryManager::enter_kernel_paging_scope()
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{
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InterruptDisabler disabler;
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@ -420,24 +408,3 @@ bool MemoryManager::mapRegionsForTask(Task& task)
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}
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return true;
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}
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bool copyToZone(Zone& zone, const void* data, size_t size)
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{
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if (zone.size() < size) {
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kprintf("MM: copyToZone: can't fit %u bytes into zone with size %u\n", size, zone.size());
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return false;
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}
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InterruptDisabler disabler;
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auto* dataptr = (const byte*)data;
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size_t remaining = size;
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for (size_t i = 0; i < zone.m_pages.size(); ++i) {
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byte* dest = MM.quickMapOnePage(zone.m_pages[i]);
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kprintf("memcpy(%p, %p, %u)\n", dest, dataptr, min(PAGE_SIZE, remaining));
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memcpy(dest, dataptr, min(PAGE_SIZE, remaining));
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dataptr += PAGE_SIZE;
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remaining -= PAGE_SIZE;
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}
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return true;
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}
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