Common constants. More...

#include <l4/sys/compiler.h>
#include <l4/sys/l4int.h>

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Macros
#define	L4_PAGESIZE
	Minimal page size (in bytes).

#define	L4_PAGEMASK
	Mask for the page number.

#define	L4_LOG2_PAGESIZE
	Number of bits used for page offset.

#define	L4_SUPERPAGESIZE
	Size of a large page.

#define	L4_SUPERPAGEMASK
	Mask for the number of a large page.

#define	L4_LOG2_SUPERPAGESIZE
	Number of bits used as offset for a large page.

#define	L4_INVALID_PTR ((void *)L4_INVALID_ADDR)
	Invalid address as pointer type.

Enumerations
enum	l4_syscall_flags_t { L4_SYSF_NONE , L4_SYSF_SEND , L4_SYSF_RECV , L4_SYSF_OPEN_WAIT , L4_SYSF_REPLY , L4_SYSF_CALL , L4_SYSF_WAIT , L4_SYSF_SEND_AND_WAIT , L4_SYSF_REPLY_AND_WAIT }
	Capability selector flags. More...

enum	l4_cap_consts_t { L4_CAP_SHIFT , L4_CAP_SIZE = 1UL << L4_CAP_SHIFT , L4_CAP_OFFSET , L4_CAP_MASK , L4_INVALID_CAP , L4_INVALID_CAP_BIT = 1UL << (L4_CAP_SHIFT - 1) }
	Constants related to capability selectors. More...

enum	l4_unmap_flags_t { L4_FP_ALL_SPACES , L4_FP_DELETE_OBJ , L4_FP_OTHER_SPACES }
	Flags for the unmap operation. More...

enum	l4_msg_item_consts_t { L4_ITEM_MAP = 8 , L4_ITEM_CONT = 1 , L4_MAP_ITEM_GRANT = 2 , L4_MAP_ITEM_MAP = 0 , L4_RCV_ITEM_SINGLE_CAP = L4_ITEM_MAP \| 2 , L4_RCV_ITEM_LOCAL_ID = 4 }
	Constants for message items. More...

enum	l4_buffer_desc_consts_t { L4_BDR_MEM_SHIFT = 0 , L4_BDR_IO_SHIFT = 5 , L4_BDR_OBJ_SHIFT = 10 , L4_BDR_OFFSET_MASK = (1UL << 20) - 1 }
	Constants for buffer descriptors. More...

enum	l4_default_caps_t { L4_BASE_TASK_CAP , L4_BASE_FACTORY_CAP , L4_BASE_THREAD_CAP , L4_BASE_PAGER_CAP , L4_BASE_LOG_CAP , L4_BASE_ICU_CAP , L4_BASE_SCHEDULER_CAP , L4_BASE_IOMMU_CAP , L4_BASE_DEBUGGER_CAP , L4_BASE_ARM_SMCCC_CAP , L4_BASE_CAPS_LAST_P1 , L4_BASE_CAPS_LAST = L4_BASE_CAPS_LAST_P1 - 1 }
	Default capabilities setup for the initial tasks. More...

enum	l4_addr_consts_t { L4_INVALID_ADDR = ~0UL }
	Address related constants. More...

Functions
l4_addr_t	l4_trunc_page (l4_addr_t address) L4_NOTHROW
	Round an address down to the next lower page boundary.

l4_addr_t	l4_trunc_size (l4_addr_t address, unsigned char bits) L4_NOTHROW
	Round an address down to the next lower flex page with size bits.

l4_addr_t	l4_round_page (l4_addr_t address) L4_NOTHROW
	Round address up to the next page.

l4_addr_t	l4_round_size (l4_addr_t value, unsigned char bits) L4_NOTHROW
	Round value up to the next alignment with bits size.

unsigned	l4_bytes_to_mwords (unsigned size) L4_NOTHROW
	Determine how many machine words (l4_umword_t) are required to store a buffer of 'size' bytes.

Detailed Description

Common constants.

Definition in file consts.h.

Macros