int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr,
uint64_t max_addr,
uint64_t alignment,
char *name,
uint32_t flags)
{
int64_t addr_allocated;
struct cvmx_bootmem_named_block_desc *named_block_desc_ptr;
#ifdef DEBUG
cvmx_dprintf("cvmx_bootmem_phy_named_block_alloc: size: 0x%llx, min: "
"0x%llx, max: 0x%llx, align: 0x%llx, name: %s\n",
(unsigned long long)size,
(unsigned long long)min_addr,
(unsigned long long)max_addr,
(unsigned long long)alignment,
name);
#endif
if (cvmx_bootmem_desc->major_version != 3) {
cvmx_dprintf("ERROR: Incompatible bootmem descriptor version: "
"%d.%d at addr: %p\n",
(int)cvmx_bootmem_desc->major_version,
(int)cvmx_bootmem_desc->minor_version,
cvmx_bootmem_desc);
return -1;
}
if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
cvmx_spinlock_lock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
named_block_desc_ptr =
cvmx_bootmem_phy_named_block_find(NULL,
flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
if (cvmx_bootmem_phy_named_block_find(name,
flags | CVMX_BOOTMEM_FLAG_NO_LOCKING) || !named_block_desc_ptr) {
if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
cvmx_spinlock_unlock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
return -1;
}
size = ALIGN(size, CVMX_BOOTMEM_ALIGNMENT_SIZE);
addr_allocated = cvmx_bootmem_phy_alloc(size, min_addr, max_addr,
alignment,
flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
if (addr_allocated >= 0) {
named_block_desc_ptr->base_addr = addr_allocated;
named_block_desc_ptr->size = size;
strncpy(named_block_desc_ptr->name, name,
cvmx_bootmem_desc->named_block_name_len);
named_block_desc_ptr->name[cvmx_bootmem_desc->named_block_name_len - 1] = 0;
}
if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
cvmx_spinlock_unlock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
return addr_allocated;
}
int ewx_uart_init()
{
cvmx_bootmem_named_block_desc_t *pci_console_ptr = cvmx_bootmem_phy_named_block_find( "__pci_console", 0 );
if ( pci_console_ptr == NULL ){
printf( "pci_consle_ptr == NULL\n" );
return 0;
}
else
pci_cons_desc_addr = pci_console_ptr->base_addr;
pci_console = 1;
printf("find pci_console in 0x%llx\n", (unsigned long long)pci_cons_desc_addr);
return 0;
}
int cvmx_bootmem_phy_named_block_free(char *name, uint32_t flags)
{
struct cvmx_bootmem_named_block_desc *named_block_ptr;
if (cvmx_bootmem_desc->major_version != 3) {
cvmx_dprintf("ERROR: Incompatible bootmem descriptor version: "
"%d.%d at addr: %p\n",
(int)cvmx_bootmem_desc->major_version,
(int)cvmx_bootmem_desc->minor_version,
cvmx_bootmem_desc);
return 0;
}
#ifdef DEBUG
cvmx_dprintf("cvmx_bootmem_phy_named_block_free: %s\n", name);
#endif
/*
* Take lock here, as name lookup/block free/name free need to
* be atomic.
*/
cvmx_bootmem_lock();
named_block_ptr =
cvmx_bootmem_phy_named_block_find(name,
CVMX_BOOTMEM_FLAG_NO_LOCKING);
if (named_block_ptr) {
#ifdef DEBUG
cvmx_dprintf("cvmx_bootmem_phy_named_block_free: "
"%s, base: 0x%llx, size: 0x%llx\n",
name,
(unsigned long long)named_block_ptr->base_addr,
(unsigned long long)named_block_ptr->size);
#endif
__cvmx_bootmem_phy_free(named_block_ptr->base_addr,
named_block_ptr->size,
CVMX_BOOTMEM_FLAG_NO_LOCKING);
named_block_ptr->size = 0;
/* Set size to zero to indicate block not used. */
}
cvmx_bootmem_unlock();
return named_block_ptr != NULL; /* 0 on failure, 1 on success */
}
int cvmx_bootmem_phy_named_block_free(char *name, uint32_t flags)
{
struct cvmx_bootmem_named_block_desc *named_block_ptr;
if (cvmx_bootmem_desc->major_version != 3) {
cvmx_dprintf("ERROR: Incompatible bootmem descriptor version: "
"%d.%d at addr: %p\n",
(int)cvmx_bootmem_desc->major_version,
(int)cvmx_bootmem_desc->minor_version,
cvmx_bootmem_desc);
return 0;
}
#ifdef DEBUG
cvmx_dprintf("cvmx_bootmem_phy_named_block_free: %s\n", name);
#endif
cvmx_bootmem_lock();
named_block_ptr =
cvmx_bootmem_phy_named_block_find(name,
CVMX_BOOTMEM_FLAG_NO_LOCKING);
if (named_block_ptr) {
#ifdef DEBUG
cvmx_dprintf("cvmx_bootmem_phy_named_block_free: "
"%s, base: 0x%llx, size: 0x%llx\n",
name,
(unsigned long long)named_block_ptr->base_addr,
(unsigned long long)named_block_ptr->size);
#endif
__cvmx_bootmem_phy_free(named_block_ptr->base_addr,
named_block_ptr->size,
CVMX_BOOTMEM_FLAG_NO_LOCKING);
named_block_ptr->size = 0;
}
cvmx_bootmem_unlock();
return named_block_ptr != NULL;
}
struct cvmx_bootmem_named_block_desc *cvmx_bootmem_find_named_block(char *name)
{
return cvmx_bootmem_phy_named_block_find(name, 0);
}
int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr,
uint64_t max_addr,
uint64_t alignment,
char *name,
uint32_t flags)
{
int64_t addr_allocated;
struct cvmx_bootmem_named_block_desc *named_block_desc_ptr;
#ifdef DEBUG
cvmx_dprintf("cvmx_bootmem_phy_named_block_alloc: size: 0x%llx, min: "
"0x%llx, max: 0x%llx, align: 0x%llx, name: %s\n",
(unsigned long long)size,
(unsigned long long)min_addr,
(unsigned long long)max_addr,
(unsigned long long)alignment,
name);
#endif
if (cvmx_bootmem_desc->major_version != 3) {
cvmx_dprintf("ERROR: Incompatible bootmem descriptor version: "
"%d.%d at addr: %p\n",
(int)cvmx_bootmem_desc->major_version,
(int)cvmx_bootmem_desc->minor_version,
cvmx_bootmem_desc);
return -1;
}
/*
* Take lock here, as name lookup/block alloc/name add need to
* be atomic.
*/
if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
cvmx_spinlock_lock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
/* Get pointer to first available named block descriptor */
named_block_desc_ptr =
cvmx_bootmem_phy_named_block_find(NULL,
flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
/*
* Check to see if name already in use, return error if name
* not available or no more room for blocks.
*/
if (cvmx_bootmem_phy_named_block_find(name,
flags | CVMX_BOOTMEM_FLAG_NO_LOCKING) || !named_block_desc_ptr) {
if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
cvmx_spinlock_unlock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
return -1;
}
/*
* Round size up to mult of minimum alignment bytes We need
* the actual size allocated to allow for blocks to be
* coallesced when they are freed. The alloc routine does the
* same rounding up on all allocations.
*/
size = ALIGN(size, CVMX_BOOTMEM_ALIGNMENT_SIZE);
addr_allocated = cvmx_bootmem_phy_alloc(size, min_addr, max_addr,
alignment,
flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
if (addr_allocated >= 0) {
named_block_desc_ptr->base_addr = addr_allocated;
named_block_desc_ptr->size = size;
strncpy(named_block_desc_ptr->name, name,
cvmx_bootmem_desc->named_block_name_len);
named_block_desc_ptr->name[cvmx_bootmem_desc->named_block_name_len - 1] = 0;
}
if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
cvmx_spinlock_unlock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
return addr_allocated;
}
