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Allow for 2MiB large pages

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Justin C. Miller
2018-05-18 23:21:37 -07:00
parent 4005e9e791
commit 0ddcf668cb
3 changed files with 57 additions and 20 deletions
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10
src/kernel/page_manager.h
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@@ -70,6 +70,9 @@ public:
/// Log the current free/used block lists.
void dump_blocks();
/// Dump the current PML4 to the console
void dump_pml4();
/// Get the system page manager.
/// \returns A pointer to the system page manager
static page_manager * get();
@@ -127,18 +130,21 @@ private:
/// it.
/// \arg base Existing page table being indexed into
/// \arg i Index into the existing table to check
void check_needs_page(page_table *base, unsigned i);
/// \art user True if this is a userspace mapping
void check_needs_page(page_table *base, unsigned i, bool user);
/// Low-level routine for mapping a number of pages into the given page table.
/// \arg pml4 The root page table to map into
/// \arg phys_addr The starting physical address of the pages to be mapped
/// \arg virt_addr The starting virtual address ot the memory to be mapped
/// \arg count The number of pages to map
/// \art user True if this is a userspace mapping
void page_in(
page_table *pml4,
addr_t phys_addr,
addr_t virt_addr,
size_t count);
size_t count,
bool user = true);
/// Low-level routine for unmapping a number of pages from the given page table.
/// \arg pml4 The root page table for this mapping