L4Re Operating System Framework
Interface and Usage Documentation
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UTCB definitions for X86. More...

#include <l4/sys/types.h>
+ Include dependency graph for utcb.h:

Go to the source code of this file.

Data Structures

struct  l4_exc_regs_t
 UTCB structure for exceptions. More...
 

Typedefs

typedef struct l4_exc_regs_t l4_exc_regs_t
 UTCB structure for exceptions.
 

Enumerations

enum  L4_utcb_consts_x86 {
  L4_UTCB_EXCEPTION_REGS_SIZE = 19 , L4_UTCB_GENERIC_DATA_SIZE = 63 , L4_UTCB_GENERIC_BUFFERS_SIZE = 58 , L4_UTCB_MSG_REGS_OFFSET = 0 ,
  L4_UTCB_BUF_REGS_OFFSET = 64 * sizeof(l4_umword_t) , L4_UTCB_THREAD_REGS_OFFSET = 123 * sizeof(l4_umword_t) , L4_UTCB_INHERIT_FPU = 1UL << 24 , L4_UTCB_OFFSET = 512
}
 UTCB constants for x86. More...
 

Functions

l4_umword_t l4_utcb_exc_pc (l4_exc_regs_t const *u) L4_NOTHROW
 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.
 
l4_umword_t l4_utcb_exc_typeval (l4_exc_regs_t const *u) L4_NOTHROW
 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
 Check whether an exception IPC is a page fault.
 
l4_addr_t l4_utcb_exc_pfa (l4_exc_regs_t const *u) L4_NOTHROW
 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
 Check whether an exception IPC was triggered via l4_thread_ex_regs().
 

Detailed Description

UTCB definitions for X86.

Definition in file utcb.h.