Include dependency graph for physmem.h:
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Macros | |
| #define | PAGE_SIZE 0x1000 |
| #define | PAGE_MASK 0xFFF |
| #define | PAGE_BITS 12 |
| #define | PAGE_COUNT 0x100000 |
| #define | PHYSMEM_FREE 0 |
| #define | PHYSMEM_RESERVED 1 |
Functions | |
| void | physMemInit (multiboot_info_t *bootInfo) |
| Initializes the physical memory management. More... | |
| uint32_t | physMemRAMSize () |
| Query RAM size. More... | |
| uint32_t | physMemUsableMemory () |
| Query usable RAM size. More... | |
| void | physMemProtectBootEntry (uint32_t addr, uint32_t length) |
| Marks all pages within a memory range as reserved and adds them to the boot map. More... | |
| void | physMemClearMemoryBits (bool reserved) |
| Marks the full memory range as reserved or free. More... | |
| void | physMemReserveMemory (uint32_t addr, uint32_t length) |
| Marks all pages within a memory range as reserved. More... | |
| void | physMemFreeMemory (uint32_t addr, uint32_t length) |
| Marks all pages fully contained within the memory range as free. More... | |
| void | physMemSetMemoryBits (uint32_t startIndex, uint32_t length, bool reserved) |
| Marks a specific range of pages as reserved or free. More... | |
| uint32_t | physMemAllocPage (bool lowmem) |
| Allocates a page of physical memory. More... | |
| uint32_t | physMemReleasePage (uint32_t index) |
| Releases a page of physical memory. More... | |
| uint32_t | physMemAddRefPage (uint32_t index) |
| Increment the refcounter of a physical page. More... | |
| uint32_t | physMemMarkUnpageable (uint32_t index) |
| Marks a physical page as unpageable. More... | |
| bool | physMemIsLastRef (uint32_t index) |
| Checks if a physical page is only referenced exactly one time. More... | |
| void | physMemPageOut (UNUSED uint32_t length) |
| Pages out some memory to the hard drive. More... | |
| uint32_t | physMemPageIn (UNUSED uint32_t hdd_index) |
| Pages in some data from the hard drive. More... | |
| void | physMemDumpMemInfo () |
| Dumps information about the physical memory usage. More... | |
