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icu.h
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/*
* (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
* Alexander Warg <warg@os.inf.tu-dresden.de>,
* Torsten Frenzel <frenzel@os.inf.tu-dresden.de>
* economic rights: Technische Universität Dresden (Germany)
*
* License: see LICENSE.spdx (in this directory or the directories above)
*/
#pragma once
#include <l4/sys/kernel_object.h>
#include <l4/sys/ipc.h>
enum L4_icu_flags
{
L4_ICU_FLAG_MSI = 0x80000000,
};
enum L4_irq_mode
{
L4_IRQ_F_NONE = 0,
L4_IRQ_F_SET_MODE = 0x1,
L4_IRQ_F_LEVEL = 0x2,
L4_IRQ_F_EDGE = 0x0,
L4_IRQ_F_POS = 0x0,
L4_IRQ_F_NEG = 0x4,
L4_IRQ_F_BOTH = 0x8,
L4_IRQ_F_LEVEL_HIGH = L4_IRQ_F_SET_MODE | L4_IRQ_F_LEVEL | L4_IRQ_F_POS,
L4_IRQ_F_LEVEL_LOW = L4_IRQ_F_SET_MODE | L4_IRQ_F_LEVEL | L4_IRQ_F_NEG,
L4_IRQ_F_POS_EDGE = L4_IRQ_F_SET_MODE | L4_IRQ_F_EDGE | L4_IRQ_F_POS,
L4_IRQ_F_NEG_EDGE = L4_IRQ_F_SET_MODE | L4_IRQ_F_EDGE | L4_IRQ_F_NEG,
L4_IRQ_F_BOTH_EDGE = L4_IRQ_F_SET_MODE | L4_IRQ_F_EDGE | L4_IRQ_F_BOTH,
L4_IRQ_F_MASK = 0xf,
L4_IRQ_F_SET_WAKEUP = 0x10,
L4_IRQ_F_CLEAR_WAKEUP = 0x20,
};
enum L4_icu_opcode
{
L4_ICU_OP_BIND = 0,
L4_ICU_OP_UNBIND = 1,
L4_ICU_OP_INFO = 2,
L4_ICU_OP_MSI_INFO = 3,
L4_ICU_OP_UNMASK = 4,
L4_ICU_OP_MASK = 5,
L4_ICU_OP_SET_MODE = 6,
};
enum L4_icu_ctl_op
{
L4_ICU_CTL_UNMASK = 0,
L4_ICU_CTL_MASK = 1
};
typedef struct l4_icu_info_t
{
unsigned features;
unsigned nr_irqs;
unsigned nr_msis;
} l4_icu_info_t;
typedef struct l4_icu_msi_info_t
{
l4_uint64_t msi_addr;
l4_uint32_t msi_data;
} l4_icu_msi_info_t;
L4_INLINE l4_msgtag_t
l4_icu_bind(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_bind_u(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq,
l4_utcb_t *utcb) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_unbind(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_unbind_u(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq,
l4_utcb_t *utcb) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_set_mode(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t mode) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_set_mode_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t mode,
l4_utcb_t *utcb) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_info(l4_cap_idx_t icu, l4_icu_info_t *info) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_info_u(l4_cap_idx_t icu, l4_icu_info_t *info,
l4_utcb_t *utcb) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_msi_info(l4_cap_idx_t icu, unsigned irqnum, l4_uint64_t source,
l4_icu_msi_info_t *msi_info) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_msi_info_u(l4_cap_idx_t icu, unsigned irqnum, l4_uint64_t source,
l4_icu_msi_info_t *msi_info, l4_utcb_t *utcb) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_unmask(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_unmask_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to, l4_utcb_t *utcb) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_mask(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_mask_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to, l4_utcb_t *utcb) L4_NOTHROW;
L4_INLINE l4_msgtag_t
l4_icu_control_u(l4_cap_idx_t icu, unsigned irqnum, unsigned op,
l4_umword_t *label,l4_timeout_t to,
l4_utcb_t *utcb) L4_NOTHROW;
/**************************************************************************
* Implementations
*/
L4_INLINE l4_msgtag_t
l4_icu_bind_u(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq,
l4_utcb_t *utcb) L4_NOTHROW
{
l4_msg_regs_t *m = l4_utcb_mr_u(utcb);
m->mr[0] = L4_ICU_OP_BIND;
m->mr[1] = irqnum;
m->mr[2] = l4_map_obj_control(0, 0);
m->mr[3] = l4_obj_fpage(irq, 0, L4_CAP_FPAGE_RWS).raw;
return l4_ipc_call(icu, utcb, l4_msgtag(L4_PROTO_IRQ, 2, 1, 0), L4_IPC_NEVER);
}
L4_INLINE l4_msgtag_t
l4_icu_unbind_u(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq,
l4_utcb_t *utcb) L4_NOTHROW
{
l4_msg_regs_t *m = l4_utcb_mr_u(utcb);
m->mr[0] = L4_ICU_OP_UNBIND;
m->mr[1] = irqnum;
m->mr[2] = l4_map_obj_control(0, 0);
m->mr[3] = l4_obj_fpage(irq, 0, L4_CAP_FPAGE_RWS).raw;
return l4_ipc_call(icu, utcb, l4_msgtag(L4_PROTO_IRQ, 2, 1, 0), L4_IPC_NEVER);
}
L4_INLINE l4_msgtag_t
l4_icu_info_u(l4_cap_idx_t icu, l4_icu_info_t *info,
l4_utcb_t *utcb) L4_NOTHROW
{
l4_msgtag_t res;
l4_msg_regs_t *m = l4_utcb_mr_u(utcb);
m->mr[0] = L4_ICU_OP_INFO;
res = l4_ipc_call(icu, utcb, l4_msgtag(L4_PROTO_IRQ, 1, 0, 0), L4_IPC_NEVER);
info->features = m->mr[0];
info->nr_irqs = m->mr[1];
info->nr_msis = m->mr[2];
return res;
}
L4_INLINE l4_msgtag_t
l4_icu_msi_info_u(l4_cap_idx_t icu, unsigned irqnum, l4_uint64_t source,
l4_icu_msi_info_t *msi_info, l4_utcb_t *utcb) L4_NOTHROW
{
l4_msgtag_t res;
l4_msg_regs_t *m = l4_utcb_mr_u(utcb);
m->mr[0] = L4_ICU_OP_MSI_INFO;
m->mr[1] = irqnum;
m->mr64[l4_utcb_mr64_idx(2)] = source;
res = l4_ipc_call(icu, utcb, l4_msgtag(L4_PROTO_IRQ,
2 + 1 * sizeof(l4_uint64_t)
/ sizeof(l4_umword_t),
0, 0), L4_IPC_NEVER);
if (L4_UNLIKELY(l4_msgtag_has_error(res)))
return res;
if (L4_UNLIKELY(l4_msgtag_words(res) * sizeof(l4_umword_t) < sizeof(*msi_info)))
return res;
__builtin_memcpy(msi_info, &m->mr[0], sizeof(*msi_info));
return res;
}
L4_INLINE l4_msgtag_t
l4_icu_set_mode_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t mode,
l4_utcb_t *utcb) L4_NOTHROW
{
l4_msg_regs_t *mr = l4_utcb_mr_u(utcb);
mr->mr[0] = L4_ICU_OP_SET_MODE;
mr->mr[1] = irqnum;
mr->mr[2] = mode;
return l4_ipc_call(icu, utcb, l4_msgtag(L4_PROTO_IRQ, 3, 0, 0), L4_IPC_NEVER);
}
L4_INLINE l4_msgtag_t
l4_icu_control_u(l4_cap_idx_t icu, unsigned irqnum, unsigned op,
l4_umword_t *label, l4_timeout_t to,
l4_utcb_t *utcb) L4_NOTHROW
{
l4_msg_regs_t *m = l4_utcb_mr_u(utcb);
m->mr[0] = L4_ICU_OP_UNMASK + op;
m->mr[1] = irqnum;
if (label)
return l4_ipc_send_and_wait(icu, utcb, l4_msgtag(L4_PROTO_IRQ, 2, 0, 0),
label, to);
else
return l4_ipc_send(icu, utcb, l4_msgtag(L4_PROTO_IRQ, 2, 0, 0), to);
}
L4_INLINE l4_msgtag_t
l4_icu_mask_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to, l4_utcb_t *utcb) L4_NOTHROW
{ return l4_icu_control_u(icu, irqnum, L4_ICU_CTL_MASK, label, to, utcb); }
L4_INLINE l4_msgtag_t
l4_icu_unmask_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to, l4_utcb_t *utcb) L4_NOTHROW
{ return l4_icu_control_u(icu, irqnum, L4_ICU_CTL_UNMASK, label, to, utcb); }
L4_INLINE l4_msgtag_t
l4_icu_bind(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq) L4_NOTHROW
{ return l4_icu_bind_u(icu, irqnum, irq, l4_utcb()); }
L4_INLINE l4_msgtag_t
l4_icu_unbind(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq) L4_NOTHROW
{ return l4_icu_unbind_u(icu, irqnum, irq, l4_utcb()); }
L4_INLINE l4_msgtag_t
l4_icu_info(l4_cap_idx_t icu, l4_icu_info_t *info) L4_NOTHROW
{ return l4_icu_info_u(icu, info, l4_utcb()); }
L4_INLINE l4_msgtag_t
l4_icu_msi_info(l4_cap_idx_t icu, unsigned irqnum, l4_uint64_t source,
l4_icu_msi_info_t *msi_info) L4_NOTHROW
{ return l4_icu_msi_info_u(icu, irqnum, source, msi_info, l4_utcb()); }
L4_INLINE l4_msgtag_t
l4_icu_unmask(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to) L4_NOTHROW
{ return l4_icu_control_u(icu, irqnum, L4_ICU_CTL_UNMASK, label, to, l4_utcb()); }
L4_INLINE l4_msgtag_t
l4_icu_mask(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label,
l4_timeout_t to) L4_NOTHROW
{ return l4_icu_control_u(icu, irqnum, L4_ICU_CTL_MASK, label, to, l4_utcb()); }
L4_INLINE l4_msgtag_t
l4_icu_set_mode(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t mode) L4_NOTHROW
{
return l4_icu_set_mode_u(icu, irqnum, mode, l4_utcb());
}
l4_umword_t
unsigned long l4_umword_t
Unsigned machine word.
Definition l4int.h:40
l4_uint32_t
unsigned int l4_uint32_t
Unsigned 32bit value.
Definition l4int.h:29
l4_uint64_t
unsigned long long l4_uint64_t
Unsigned 64bit value.
Definition l4int.h:31
l4_cap_idx_t
unsigned long l4_cap_idx_t
Capability selector type.
Definition types.h:336
l4_obj_fpage
l4_fpage_t l4_obj_fpage(l4_cap_idx_t obj, unsigned int order, unsigned char rights) L4_NOTHROW
Create a kernel-object flexpage.
Definition __l4_fpage.h:715
L4_CAP_FPAGE_RWS
@ L4_CAP_FPAGE_RWS
Read, interface specific 'W', and 'S' rights for capability flexpages.
Definition __l4_fpage.h:206
l4_icu_info
l4_msgtag_t l4_icu_info(l4_cap_idx_t icu, l4_icu_info_t *info) L4_NOTHROW
Get information about the ICU features.
Definition icu.h:504
l4_icu_msi_info_u
l4_msgtag_t l4_icu_msi_info_u(l4_cap_idx_t icu, unsigned irqnum, l4_uint64_t source, l4_icu_msi_info_t *msi_info, l4_utcb_t *utcb) L4_NOTHROW
Get MSI info about IRQ.
Definition icu.h:434
l4_icu_bind_u
l4_msgtag_t l4_icu_bind_u(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq, l4_utcb_t *utcb) L4_NOTHROW
Bind an interrupt line of an interrupt controller to an interrupt object.
Definition icu.h:396
l4_icu_msi_info
l4_msgtag_t l4_icu_msi_info(l4_cap_idx_t icu, unsigned irqnum, l4_uint64_t source, l4_icu_msi_info_t *msi_info) L4_NOTHROW
Get MSI info about IRQ.
Definition icu.h:508
l4_icu_mask
l4_msgtag_t l4_icu_mask(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label, l4_timeout_t to) L4_NOTHROW
Mask an IRQ line.
Definition icu.h:518
l4_icu_unbind
l4_msgtag_t l4_icu_unbind(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq) L4_NOTHROW
Remove binding of an interrupt line from the interrupt controller object.
Definition icu.h:500
l4_icu_info_u
l4_msgtag_t l4_icu_info_u(l4_cap_idx_t icu, l4_icu_info_t *info, l4_utcb_t *utcb) L4_NOTHROW
Get information about the ICU features.
Definition icu.h:420
l4_icu_bind
l4_msgtag_t l4_icu_bind(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq) L4_NOTHROW
Bind an interrupt line of an interrupt controller to an interrupt object.
Definition icu.h:496
l4_icu_unmask_u
l4_msgtag_t l4_icu_unmask_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label, l4_timeout_t to, l4_utcb_t *utcb) L4_NOTHROW
Unmask the given interrupt line.
Definition icu.h:488
l4_icu_unmask
l4_msgtag_t l4_icu_unmask(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label, l4_timeout_t to) L4_NOTHROW
Unmask an IRQ line.
Definition icu.h:513
l4_icu_set_mode_u
l4_msgtag_t l4_icu_set_mode_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t mode, l4_utcb_t *utcb) L4_NOTHROW
Set interrupt mode.
Definition icu.h:457
l4_icu_mask_u
l4_msgtag_t l4_icu_mask_u(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t *label, l4_timeout_t to, l4_utcb_t *utcb) L4_NOTHROW
Mask an IRQ line.
Definition icu.h:483
l4_icu_set_mode
l4_msgtag_t l4_icu_set_mode(l4_cap_idx_t icu, unsigned irqnum, l4_umword_t mode) L4_NOTHROW
Set interrupt mode.
Definition icu.h:523
L4_icu_flags
L4_icu_flags
Flags for IRQ numbers used for the ICU.
Definition icu.h:54
l4_icu_unbind_u
l4_msgtag_t l4_icu_unbind_u(l4_cap_idx_t icu, unsigned irqnum, l4_cap_idx_t irq, l4_utcb_t *utcb) L4_NOTHROW
Remove binding of an interrupt line from the interrupt controller object.
Definition icu.h:408
L4_ICU_FLAG_MSI
@ L4_ICU_FLAG_MSI
Flag to denote that the IRQ is actually an MSI.
Definition icu.h:62
l4_ipc_send_and_wait
l4_msgtag_t l4_ipc_send_and_wait(l4_cap_idx_t dest, l4_utcb_t *utcb, l4_msgtag_t tag, l4_umword_t *label, l4_timeout_t timeout) L4_NOTHROW
Send a message and do an open wait.
Definition ipc.h:579
l4_ipc_send
l4_msgtag_t l4_ipc_send(l4_cap_idx_t dest, l4_utcb_t *utcb, l4_msgtag_t tag, l4_timeout_t timeout) L4_NOTHROW
Send a message to an object (do not wait for a reply).
Definition ipc.h:586
l4_ipc_call
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).
Definition ipc.h:565
L4_irq_mode
L4_irq_mode
Interrupt attributes.
Definition icu.h:71
L4_IRQ_F_MASK
@ L4_IRQ_F_MASK
Mask.
Definition icu.h:85
L4_IRQ_F_LEVEL
@ L4_IRQ_F_LEVEL
Level triggered.
Definition icu.h:75
L4_IRQ_F_NEG_EDGE
@ L4_IRQ_F_NEG_EDGE
Negative edge trigger.
Definition icu.h:83
L4_IRQ_F_BOTH
@ L4_IRQ_F_BOTH
Both edges trigger.
Definition icu.h:79
L4_IRQ_F_CLEAR_WAKEUP
@ L4_IRQ_F_CLEAR_WAKEUP
Do not use irq as wakeup source.
Definition icu.h:89
L4_IRQ_F_SET_MODE
@ L4_IRQ_F_SET_MODE
Valid flag, if not set, the set_mode operation does nothing.
Definition icu.h:74
L4_IRQ_F_SET_WAKEUP
@ L4_IRQ_F_SET_WAKEUP
Wakeup source?
Definition icu.h:88
L4_IRQ_F_LEVEL_HIGH
@ L4_IRQ_F_LEVEL_HIGH
Level high trigger.
Definition icu.h:80
L4_IRQ_F_BOTH_EDGE
@ L4_IRQ_F_BOTH_EDGE
Both edges trigger.
Definition icu.h:84
L4_IRQ_F_POS_EDGE
@ L4_IRQ_F_POS_EDGE
Positive edge trigger.
Definition icu.h:82
L4_IRQ_F_EDGE
@ L4_IRQ_F_EDGE
Edge triggered.
Definition icu.h:76
L4_IRQ_F_NONE
@ L4_IRQ_F_NONE
Flow types.
Definition icu.h:73
L4_IRQ_F_POS
@ L4_IRQ_F_POS
Positive trigger.
Definition icu.h:77
L4_IRQ_F_LEVEL_LOW
@ L4_IRQ_F_LEVEL_LOW
Level low trigger.
Definition icu.h:81
L4_IRQ_F_NEG
@ L4_IRQ_F_NEG
Negative trigger.
Definition icu.h:78
l4_map_obj_control
l4_umword_t l4_map_obj_control(l4_umword_t spot, unsigned grant) L4_NOTHROW
Create the first word for a map item that is a send item for the object space.
Definition __l4_fpage.h:749
l4_msgtag_has_error
unsigned l4_msgtag_has_error(l4_msgtag_t t) L4_NOTHROW
Test for error indicator flag.
Definition types.h:440
l4_msgtag
l4_msgtag_t l4_msgtag(long label, unsigned words, unsigned items, unsigned flags) L4_NOTHROW
Create a message tag from the specified values.
Definition types.h:405
l4_msgtag_words
unsigned l4_msgtag_words(l4_msgtag_t t) L4_NOTHROW
Get the number of untyped words.
Definition types.h:427
L4_PROTO_IRQ
@ L4_PROTO_IRQ
IRQ message.
Definition types.h:44
L4_icu_opcode
L4_icu_opcode
Opcodes to the ICU interface.
Definition icu.h:98
L4_ICU_OP_MASK
@ L4_ICU_OP_MASK
Mask opcode.
Definition icu.h:139
L4_ICU_OP_SET_MODE
@ L4_ICU_OP_SET_MODE
Set-mode opcode.
Definition icu.h:146
L4_ICU_OP_UNMASK
@ L4_ICU_OP_UNMASK
Unmask opcode.
Definition icu.h:132
L4_ICU_OP_INFO
@ L4_ICU_OP_INFO
Info opcode.
Definition icu.h:118
L4_ICU_OP_MSI_INFO
@ L4_ICU_OP_MSI_INFO
Msi-info opcode.
Definition icu.h:125
L4_ICU_OP_UNBIND
@ L4_ICU_OP_UNBIND
Unbind opcode.
Definition icu.h:111
L4_ICU_OP_BIND
@ L4_ICU_OP_BIND
Bind opcode.
Definition icu.h:104
l4_utcb_mr64_idx
unsigned l4_utcb_mr64_idx(unsigned idx) L4_NOTHROW
Get index into 64bit message registers alias from native-sized index.
Definition utcb.h:392
L4_IPC_NEVER
#define L4_IPC_NEVER
never timeout
Definition __timeout.h:76
l4_utcb_t
struct l4_utcb_t l4_utcb_t
Opaque type for the UTCB.
Definition utcb.h:56
l4_utcb
l4_utcb_t * l4_utcb(void) L4_NOTHROW L4_PURE
Get the UTCB address.
Definition utcb.h:346
L4_NOTHROW
#define L4_NOTHROW
Mark a function declaration and definition as never throwing an exception.
Definition compiler.h:161
L4_UNLIKELY
#define L4_UNLIKELY(x)
Expression is unlikely to execute.
Definition compiler.h:284
L4_INLINE
#define L4_INLINE
L4 Inline function attribute.
Definition compiler.h:51
kernel_object.h
Kernel object system calls.
ipc.h
Common IPC interface.
l4_icu_info_t
Info structure for an ICU.
Definition icu.h:164
l4_icu_info_t::nr_msis
unsigned nr_msis
The number of MSI vectors supported by the ICU,.
Definition icu.h:180
l4_icu_info_t::nr_irqs
unsigned nr_irqs
The number of IRQ lines supported by the ICU,.
Definition icu.h:175
l4_icu_info_t::features
unsigned features
Feature flags.
Definition icu.h:170
l4_icu_msi_info_t
Info to use for a specific MSI.
Definition icu.h:185
l4_icu_msi_info_t::msi_addr
l4_uint64_t msi_addr
Value to use as address when sending this MSI.
Definition icu.h:187
l4_icu_msi_info_t::msi_data
l4_uint32_t msi_data
Value to use as data written to msi_addr, when sending this MSI.
Definition icu.h:189
l4_msgtag_t
Message tag data structure.
Definition types.h:154
l4_fpage_t::raw
l4_umword_t raw
Raw value.
Definition __l4_fpage.h:78
l4_msg_regs_t
Encapsulation of the message-register block in the UTCB.
Definition utcb.h:68
l4_msg_regs_t::mr
l4_umword_t mr[L4_UTCB_GENERIC_DATA_SIZE]
Message registers.
Definition utcb.h:69
l4_msg_regs_t::mr64
l4_uint64_t mr64[L4_UTCB_GENERIC_DATA_SIZE/(sizeof(l4_uint64_t)/sizeof(l4_umword_t))]
Message registers 64bit alias.
Definition utcb.h:70
l4_timeout_t
Timeout pair.
Definition __timeout.h:53