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we generate memory_map here

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Laurent Vivier 2004-02-17 10:23:55 +00:00
parent cc5ae713a6
commit 94fa7c429d
1 changed files with 9 additions and 0 deletions
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9
second/memory.c
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@ -23,6 +23,8 @@ typedef struct memory_pool {
memory_pool_t* pool = NULL;
memory_map_t memory_map = { { { 0, 0 } }, 0 };
static int memory_find_area_by_addr(unsigned long start)
{
int i;
@ -165,6 +167,8 @@ void memory_init()
/* we are currently using the MMU to have only one linear memory area */
get_memory_map(&memory_map);
/* we put memory pool array at end of Memory */
pool = (memory_pool_t*) (MemTop - sizeof(memory_pool_t));
@ -225,6 +229,10 @@ static void bank_add_mem(memory_map_t* map, unsigned long addr, unsigned long si
for (i = 0; i < map->bank_number; i++)
{
if ( (map->bank[i].address <= addr) &&
(addr < map->bank[i].address + map->bank[i].size) )
return; /* several logical address to one physical */
if (map->bank[i].address + map->bank[i].size == addr)
{
map->bank[i].size += size;
@ -242,6 +250,7 @@ static void bank_add_mem(memory_map_t* map, unsigned long addr, unsigned long si
map->bank_number--;
map->bank[j].address = map->bank[map->bank_number].address;
map->bank[j].size = map->bank[map->bank_number].size;
return;
}
}