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