| 27,64 → 27,15 |
|---|
| */ |
| |
| #include <arch/mm/memory_init.h> |
| #include <genarch/ofw/ofw.h> |
| #include <panic.h> |
| #include <mm/frame.h> |
| #include <align.h> |
| #include <genarch/ofw/memory_init.h> |
| #include <typedefs.h> |
| |
| #define MEMMAP_MAX_RECORDS 32 |
| |
| typedef struct { |
| __u32 start; |
| __u32 size; |
| } memmap_t; |
| |
| static memmap_t memmap[MEMMAP_MAX_RECORDS]; |
| size_t total_mem = 0; |
| |
| static void init_memmap(void) |
| { |
| int i; |
| |
| phandle handle = ofw_find_device("/memory"); |
| if (handle == -1) |
| panic("No RAM\n"); |
| |
| size_t ret = ofw_get_property(handle, "reg", &memmap, sizeof(memmap)); |
| if (ret == -1) |
| panic("Device /memory has no reg property\n"); |
| |
| |
| for (i = 0; i < MEMMAP_MAX_RECORDS; i++) { |
| if (memmap[i].size == 0) |
| break; |
| total_mem += memmap[i].size; |
| } |
| } |
| |
| void preboot_read_config(void) |
| { |
| init_memmap(); |
| ofw_init_memmap(); |
| } |
| |
| size_t get_memory_size(void) |
| { |
| return total_mem; |
| return ofw_get_memory_size(); |
| } |
| |
| void ppc_init_zones(void) |
| { |
| int i; |
| pfn_t confdata; |
| |
| for (i = 0; i < MEMMAP_MAX_RECORDS; i++) { |
| if (memmap[i].size == 0) |
| break; |
| confdata = ADDR2PFN(memmap[i].start); |
| if (confdata == 0) |
| confdata = 2; |
| zone_create(ADDR2PFN(memmap[i].start), |
| SIZE2FRAMES(ALIGN_DOWN(memmap[i].size,PAGE_SIZE)), |
| confdata, 0); |
| } |
| } |