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base-pistachio: use PIT in Genode timer

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on x86_32

issue #2308
This commit is contained in:
Sebastian Sumpf 2017-03-08 16:51:00 +01:00 committed by Christian Helmuth
parent 261edf59a9
commit c1f4dad811
3 changed files with 1 additions and 75 deletions
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8
repos/os/src/drivers/timer/pistachio/target.mk
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@ -1,8 +0,0 @@
TARGET = pistachio_timer_drv
REQUIRES = pistachio
INC_DIR += $(REP_DIR)/src/drivers/timer/include
INC_DIR += $(REP_DIR)/src/drivers/timer/periodic
SRC_CC += periodic/time_source.cc pistachio/time_source.cc main.cc
LIBS += syscall-pistachio base-pistachio timeout
vpath %.cc $(REP_DIR)/src/drivers/timer

57
repos/os/src/drivers/timer/pistachio/time_source.cc
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@ -1,57 +0,0 @@
/*
* \brief Time source that uses sleeping by the means of the kernel
* \author Julian Stecklina
* \author Martin Stein
* \date 2008-03-19
*/
/*
* Copyright (C) 2008-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* Genode includes */
#include <base/blocking.h>
/* Pistachio includes */
namespace Pistachio {
#include <l4/ipc.h>
}
/* local includes */
#include <time_source.h>
using namespace Genode;
using Microseconds = Genode::Time_source::Microseconds;
Microseconds Timer::Time_source::max_timeout() const
{
Lock::Guard lock_guard(_lock);
return Microseconds(1000 * 1000);
}
Microseconds Timer::Time_source::curr_time() const
{
Lock::Guard lock_guard(_lock);
return Microseconds(_curr_time_us);
}
void Timer::Time_source::_usleep(unsigned long us)
{
using namespace Pistachio;
enum { MAGIC_USER_DEFINED_HANDLE = 13 };
L4_Set_UserDefinedHandle(MAGIC_USER_DEFINED_HANDLE);
L4_Sleep(L4_TimePeriod(us));
_curr_time_us += us;
/* check if sleep was canceled */
if (L4_UserDefinedHandle() != MAGIC_USER_DEFINED_HANDLE)
throw Blocking_canceled();
}

11
tool/run/boot_dir/pistachio
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@ -1,21 +1,12 @@
proc binary_name_ld_lib_so { } { return "ld-pistachio.lib.so" }
proc binary_name_core_o { } { return "pistachio/core.o" }
proc binary_name_timer { } { return "pistachio_timer_drv" }
proc binary_name_timer { } { return "pit_timer_drv" }
proc run_boot_string { } { return "\n\r\033\\\[1m\033\\\[33mL4Ka::Pistachio -" }
proc core_link_address { } { return "0x02000000" }
##
# Install files needed to boot via PXE
#
proc install_pxe_bootloader_to_run_dir { } {
exec cp [genode_dir]/tool/boot/pulsar [run_dir]/boot/pulsar
exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender
}
##
# Populdate boot directory with binaries on pistachio
#