int get_addr_from_mmap(char *id, U32 *addr)
{
MMapInfo_s mmapInfo;
UBOOT_TRACE("IN\n");
if((id==NULL)||(addr==NULL))
{
UBOOT_ERROR("One of the parameters is a null pointer\n");
return -1;
}
UBOOT_DEBUG("id=%s\n",id);
if(get_mmap(id,&mmapInfo)!=0)
{
UBOOT_ERROR("get mmap fail\n");
return -1;
}
if(mmapInfo.b_is_miu0==0)
{
UBOOT_DEBUG("In MIU0\n");
*addr=mmapInfo.u32Addr+miu_interval;
}
else
{
UBOOT_DEBUG("In MIU1\n");
*addr=mmapInfo.u32Addr;
}
UBOOT_DEBUG("addr=0x%x\n",*addr);
UBOOT_TRACE("OK\n");
return 0;
}
void init_buddy() {
get_mmap();
print_mmap();
// request memory for page descriptors
// requested pages for all memory until the last available address -- because I can
dt_size = (find_max_available_address() / PAGE_SIZE) * sizeof(page_descr);
descr_table = (page_descr*) boot_allocate(dt_size);
// initialize dt
page_descr* prev = heads + 0;
for(unsigned int i = 0; i < dt_size; ++i) {
set_page_descr(descr_table + i, i, PAGE_DESCRIPTOR_RESERVED, 0, prev, NULL);
}
//initialize heads
for(int i = 0; i < MAX_SIZE; ++i) {
set_page_descr(heads + i, 0, PAGE_DESCRIPTOR_FICT, i, NULL, NULL);
}
//initialize actually available descriptors
activate_available_mem();
//print_pages();
}
// Test if the get_mmap() function correctly uses the ioctls to obtain the
// memory map and its meta data.
void test_get_mmap(void) {
uint8_t *mmap = NULL;
uint8_t *test_mmap = NULL;
unsigned int mmap_size = 0;
unsigned int mmap_desc_size = 0;
assert(init_test_mmap(&test_mmap, kNumMemorySegments,
sizeof(EfiMemoryRange), kNumTestPages) == EXIT_SUCCESS);
assert(test_mmap != NULL);
assert(get_mmap(&mmap, &mmap_size, &mmap_desc_size, MEM_DEV) == EXIT_SUCCESS);
assert(mmap_size == kNumMemorySegments * sizeof(EfiMemoryRange));
assert(mmap_desc_size == sizeof(EfiMemoryRange));
assert(mmap != NULL);
assert(memcmp(mmap, test_mmap, mmap_size) == 0);
// Don't forget cleaning up
free(mmap);
free(test_mmap);
}
int get_length_from_mmap(char *id, U32 *len)
{
MMapInfo_s mmapInfo;
UBOOT_TRACE("IN\n");
if((id==NULL)||(len==NULL))
{
UBOOT_ERROR("One of the parameters is a null pointer\n");
return -1;
}
UBOOT_DEBUG("id=%s\n",id);
if(get_mmap(id,&mmapInfo)!=0)
{
UBOOT_ERROR("get mmap fail\n");
return -1;
}
*len=mmapInfo.u32Size;
UBOOT_DEBUG("len=0x%x\n",*len);
UBOOT_TRACE("OK\n");
return 0;
}
