copy_mem
void (__efiapi *copy_mem)(void *, const void *, unsigned long);
u32 copy_mem;
void *copy_mem;
u32 copy_mem;
efi_bs_call(copy_mem, dst, src, len);
ret = adev->lsdma.funcs->copy_mem(adev, src_addr, dst_addr, current_copy_size);
int (*copy_mem)(struct amdgpu_device *adev, uint64_t src_addr,
.copy_mem = lsdma_v6_0_copy_mem,
.copy_mem = lsdma_v7_0_copy_mem,
*copy_mem = malloc(ehdr_size);
if (!*copy_mem) {
memcpy(*copy_mem + len_first, base, len_secnd);