utcb.h File Reference

UTCB definitions. More...

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

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Data Structures
union	l4_msg_regs_t
	Encapsulation of the message-register block in the UTCB. More...
struct	l4_buf_regs_t
	Encapsulation of the buffer-registers block in the UTCB. More...
struct	l4_thread_regs_t
	Encapsulation of the thread-control-register block of the UTCB. More...

Typedefs
typedef struct l4_utcb_t	l4_utcb_t
	Opaque type for the UTCB.
typedef union l4_msg_regs_t	l4_msg_regs_t
	Encapsulation of the message-register block in the UTCB.
typedef struct l4_buf_regs_t	l4_buf_regs_t
	Encapsulation of the buffer-registers block in the UTCB.
typedef struct l4_thread_regs_t	l4_thread_regs_t
	Encapsulation of the thread-control-register block of the UTCB.

Functions
l4_utcb_t *	l4_utcb (void) L4_NOTHROW L4_PURE
	Get the UTCB address.
l4_msg_regs_t *	l4_utcb_mr (void) L4_NOTHROW L4_PURE
	Get the message-register block of a UTCB.
l4_buf_regs_t *	l4_utcb_br (void) L4_NOTHROW L4_PURE
	Get the buffer-register block of a UTCB.
l4_thread_regs_t *	l4_utcb_tcr (void) L4_NOTHROW L4_PURE
	Get the thread-control-register block of a UTCB.
l4_exc_regs_t *	l4_utcb_exc (void) L4_NOTHROW L4_PURE
	Get the message-register block of a UTCB (for an exception IPC).
l4_umword_t	l4_utcb_exc_pc (l4_exc_regs_t const *u) L4_NOTHROW L4_PURE
	Access function to get the program counter of the exception state.
void	l4_utcb_exc_pc_set (l4_exc_regs_t *u, l4_addr_t pc) L4_NOTHROW
	Set the program counter register in the exception state.
unsigned long	l4_utcb_exc_typeval (l4_exc_regs_t const *u) L4_NOTHROW L4_PURE
	Get the value out of an exception UTCB that describes the type of exception.
int	l4_utcb_exc_is_pf (l4_exc_regs_t const *u) L4_NOTHROW L4_PURE
	Check whether an exception IPC is a page fault.
l4_addr_t	l4_utcb_exc_pfa (l4_exc_regs_t const *u) L4_NOTHROW L4_PURE
	Function to get the L4 style page fault address out of an exception.
int	l4_utcb_exc_is_ex_regs_exception (l4_exc_regs_t const *u) L4_NOTHROW L4_PURE
	Check whether an exception IPC was triggered via l4_thread_ex_regs().
void	l4_utcb_inherit_fpu (int switch_on) L4_NOTHROW
	Enable or disable inheritance of FPU state to receiver.
l4_timeout_s	l4_timeout_abs (l4_kernel_clock_t pint, int br) L4_NOTHROW
	Set an absolute timeout.
unsigned	l4_utcb_mr64_idx (unsigned idx) L4_NOTHROW
	Get index into 64bit message registers alias from native-sized index.

Detailed Description

UTCB definitions.

Definition in file utcb.h.