L4Re - L4 Runtime Environment
|
Go to the documentation of this file.
27 #include <l4/sys/utcb.h>
267 #include <l4/sys/ipc.h>
279 v->
mr[2] = snd_fpage.raw;
290 v->
mr[2] = fpage.raw;
302 __builtin_memcpy(&v->
mr[2], fpages, num_fpages *
sizeof(
l4_fpage_t));
311 v->
mr[1] = cap & ~1UL;
332 v->
mr[1] = ku_mem.raw;
342 return l4_task_map_u(dst_task, src_task, snd_fpage, snd_base,
l4_utcb());
349 return l4_task_unmap_u(task, fpage, map_mask,
l4_utcb());
356 return l4_task_unmap_batch_u(task, fpages, num_fpages, map_mask,
371 return l4_task_delete_obj_u(task, obj,
l4_utcb());
386 return l4_task_release_cap_u(task, cap,
l4_utcb());
392 return l4_task_cap_valid_u(task, cap,
l4_utcb());
399 return l4_task_cap_equal_u(task, cap_a, cap_b,
l4_utcb());
405 return l4_task_add_ku_mem_u(task, ku_mem,
l4_utcb());
#define L4_NOTHROW
Mark a function declaration and definition as never throwing an exception.
l4_utcb_t * l4_utcb(void) L4_NOTHROW L4_PURE
Get the UTCB address.
@ L4_CAP_FPAGE_RWSD
Full rights for capability flex-pages.
unsigned long l4_cap_idx_t
L4 Capability selector Type.
@ L4_TASK_MAP_VGICC_ARM_OP
Arm: Map virtual GICC area.
l4_msgtag_t l4_task_map(l4_cap_idx_t dst_task, l4_cap_idx_t src_task, l4_fpage_t snd_fpage, l4_umword_t snd_base) L4_NOTHROW
Map resources available in the source task to a destination task.
l4_umword_t l4_map_obj_control(l4_umword_t spot, unsigned grant) L4_NOTHROW
Create the first word for a map item for the object space.
l4_msgtag_t l4_task_release_cap(l4_cap_idx_t task, l4_cap_idx_t cap) L4_NOTHROW
Release capability.
l4_msgtag_t l4_task_cap_valid(l4_cap_idx_t task, l4_cap_idx_t cap) L4_NOTHROW
Check whether a capability is present (refers to an object).
l4_fpage_t l4_obj_fpage(l4_cap_idx_t obj, unsigned int order, unsigned char rights) L4_NOTHROW
Create a kernel-object flex page.
l4_msgtag_t l4_msgtag(long label, unsigned words, unsigned items, unsigned flags) L4_NOTHROW
Create a message tag from the specified values.
@ L4_TASK_CAP_INFO_OP
Cap info.
@ L4_FP_ALL_SPACES
Flag to tell the unmap operation to unmap all child mappings including the mapping in the invoked tas...
@ L4_FP_DELETE_OBJ
Flag that indicates that the unmap operation on a capability shall try to delete the corresponding ob...
@ L4_TASK_ADD_KU_MEM_OP
Add kernel-user memory.
l4_umword_t raw
Raw value.
Encapsulation of the message-register block in the UTCB.
l4_umword_t mr[L4_UTCB_GENERIC_DATA_SIZE]
Message registers.
l4_msgtag_t l4_task_unmap(l4_cap_idx_t task, l4_fpage_t fpage, l4_umword_t map_mask) L4_NOTHROW
Revoke rights from the task.
l4_msgtag_t l4_task_delete_obj(l4_cap_idx_t task, l4_cap_idx_t obj) L4_NOTHROW
Release capability and delete object.
l4_msgtag_t l4_task_unmap_batch(l4_cap_idx_t task, l4_fpage_t const *fpages, unsigned num_fpages, l4_umword_t map_mask) L4_NOTHROW
Revoke rights from a task.
l4_msgtag_t l4_ipc_call(l4_cap_idx_t object, l4_utcb_t *utcb, l4_msgtag_t tag, l4_timeout_t timeout) L4_NOTHROW
Object call (usual invocation).
struct l4_utcb_t l4_utcb_t
Opaque type for the UTCB.
L4_task_ops
Operations on task objects.
l4_msgtag_t l4_task_cap_equal(l4_cap_idx_t task, l4_cap_idx_t cap_a, l4_cap_idx_t cap_b) L4_NOTHROW
Test whether two capabilities point to the same object with the same rights.
@ L4_TASK_LDT_SET_X86_OP
x86: LDT set
@ L4_CAP_FPAGE_RWS
Read, interface specific 'W', and 'S' rights for capability flex-pages.
unsigned long l4_umword_t
Unsigned machine word.
l4_msgtag_t l4_task_add_ku_mem(l4_cap_idx_t task, l4_fpage_t ku_mem) L4_NOTHROW
Add kernel-user memory.
Message tag data structure.
Common L4 ABI Data Types.
@ L4_PROTO_TASK
Protocol for messages to a task object.