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hw: don't restrict update_data_region to core

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ref #1115
This commit is contained in:
Martin Stein 2014-04-07 15:52:21 +02:00 committed by Christian Helmuth
parent 5a1fc6da60
commit 3f14defd9d
3 changed files with 22 additions and 26 deletions
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11
base-hw/include/kernel/interface.h
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@ -47,6 +47,7 @@ namespace Kernel
constexpr Call_arg call_id_signal_pending() { return 9; } constexpr Call_arg call_id_signal_pending() { return 9; }
constexpr Call_arg call_id_ack_signal() { return 10; } constexpr Call_arg call_id_ack_signal() { return 10; }
constexpr Call_arg call_id_print_char() { return 11; } constexpr Call_arg call_id_print_char() { return 11; }
constexpr Call_arg call_id_update_data_region() { return 12; }
/***************************************************************** /*****************************************************************
@ -120,6 +121,16 @@ namespace Kernel
call(call_id_yield_thread(), thread_id); call(call_id_yield_thread(), thread_id);
} }
/**
* Globally apply writes to a data region in the current domain
*
* \param base base of the region within the current domain
* \param size size of the region
*/
inline void update_data_region(addr_t const base, size_t const size)
{
call(call_id_update_data_region(), (Call_arg)base, (Call_arg)size);
}
/** /**
* Send request message and await receipt of corresponding reply message * Send request message and await receipt of corresponding reply message

29
base-hw/src/core/kernel/core_interface.h
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@ -31,14 +31,13 @@ namespace Kernel
/** /**
* Kernel names of the kernel calls * Kernel names of the kernel calls
*/ */
constexpr Call_arg call_id_new_thread() { return 12; } constexpr Call_arg call_id_new_thread() { return 13; }
constexpr Call_arg call_id_bin_thread() { return 13; } constexpr Call_arg call_id_bin_thread() { return 14; }
constexpr Call_arg call_id_start_thread() { return 14; } constexpr Call_arg call_id_start_thread() { return 15; }
constexpr Call_arg call_id_resume_thread() { return 15; } constexpr Call_arg call_id_resume_thread() { return 16; }
constexpr Call_arg call_id_access_thread_regs() { return 16; } constexpr Call_arg call_id_access_thread_regs() { return 17; }
constexpr Call_arg call_id_route_thread_event() { return 17; } constexpr Call_arg call_id_route_thread_event() { return 18; }
constexpr Call_arg call_id_update_pd() { return 18; } constexpr Call_arg call_id_update_pd() { return 19; }
constexpr Call_arg call_id_update_data_region() { return 19; }
constexpr Call_arg call_id_new_pd() { return 20; } constexpr Call_arg call_id_new_pd() { return 20; }
constexpr Call_arg call_id_bin_pd() { return 21; } constexpr Call_arg call_id_bin_pd() { return 21; }
constexpr Call_arg call_id_new_signal_receiver() { return 22; } constexpr Call_arg call_id_new_signal_receiver() { return 22; }
@ -94,20 +93,6 @@ namespace Kernel
} }
/**
* Write-through the cached contents of a region in the current domain
*
* \param base base of the region within the current domain
* \param size size of the region
*
* Does apply only to data caches.
*/
inline void update_data_region(addr_t const base, size_t const size)
{
call(call_id_update_data_region(), (Call_arg)base, (Call_arg)size);
}
/** /**
* Create a thread * Create a thread
* *

8
base-hw/src/core/kernel/thread.cc
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@ -543,9 +543,9 @@ void Thread::_call_update_pd()
void Thread::_call_update_data_region() void Thread::_call_update_data_region()
{ {
/* flush hardware caches */ auto base = (addr_t)user_arg_1();
Processor::flush_data_caches_by_virt_region((addr_t)user_arg_1(), auto const size = (size_t)user_arg_2();
(size_t)user_arg_2()); Processor::flush_data_caches_by_virt_region(base, size);
} }
@ -855,6 +855,7 @@ void Thread::_call()
/* switch over unrestricted kernel calls */ /* switch over unrestricted kernel calls */
unsigned const call_id = user_arg_0(); unsigned const call_id = user_arg_0();
switch (call_id) { switch (call_id) {
case call_id_update_data_region(): _call_update_data_region(); return;
case call_id_pause_current_thread(): _call_pause_current_thread(); return; case call_id_pause_current_thread(): _call_pause_current_thread(); return;
case call_id_resume_local_thread(): _call_resume_local_thread(); return; case call_id_resume_local_thread(): _call_resume_local_thread(); return;
case call_id_yield_thread(): _call_yield_thread(); return; case call_id_yield_thread(): _call_yield_thread(); return;
@ -884,7 +885,6 @@ void Thread::_call()
case call_id_access_thread_regs(): _call_access_thread_regs(); return; case call_id_access_thread_regs(): _call_access_thread_regs(); return;
case call_id_route_thread_event(): _call_route_thread_event(); return; case call_id_route_thread_event(): _call_route_thread_event(); return;
case call_id_update_pd(): _call_update_pd(); return; case call_id_update_pd(): _call_update_pd(); return;
case call_id_update_data_region(): _call_update_data_region(); return;
case call_id_new_pd(): _call_new_pd(); return; case call_id_new_pd(): _call_new_pd(); return;
case call_id_bin_pd(): _call_bin_pd(); return; case call_id_bin_pd(): _call_bin_pd(); return;
case call_id_new_signal_receiver(): _call_new_signal_receiver(); return; case call_id_new_signal_receiver(): _call_new_signal_receiver(); return;