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-rw-r--r--liboffloadmic/runtime/offload_omp_target.cpp560
1 files changed, 560 insertions, 0 deletions
diff --git a/liboffloadmic/runtime/offload_omp_target.cpp b/liboffloadmic/runtime/offload_omp_target.cpp
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+++ b/liboffloadmic/runtime/offload_omp_target.cpp
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+/*
+ Copyright (c) 2014 Intel Corporation. All Rights Reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the name of Intel Corporation nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include <omp.h>
+#include "offload.h"
+#include "compiler_if_target.h"
+
+// OpenMP API
+
+void omp_set_default_device(int num) __GOMP_NOTHROW
+{
+}
+
+int omp_get_default_device(void) __GOMP_NOTHROW
+{
+ return mic_index;
+}
+
+int omp_get_num_devices() __GOMP_NOTHROW
+{
+ return mic_engines_total;
+}
+
+// OpenMP API wrappers
+
+static void omp_send_int_to_host(
+ void *ofld_,
+ int setting
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_out;
+ vars[0].ptr = &setting;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+static int omp_get_int_from_host(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ int setting;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_in;
+ vars[0].ptr = &setting;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ OFFLOAD_TARGET_LEAVE(ofld);
+
+ return setting;
+}
+
+void omp_set_num_threads_lrb(
+ void *ofld
+)
+{
+ int num_threads;
+
+ num_threads = omp_get_int_from_host(ofld);
+ omp_set_num_threads(num_threads);
+}
+
+void omp_get_max_threads_lrb(
+ void *ofld
+)
+{
+ int num_threads;
+
+ num_threads = omp_get_max_threads();
+ omp_send_int_to_host(ofld, num_threads);
+}
+
+void omp_get_num_procs_lrb(
+ void *ofld
+)
+{
+ int num_procs;
+
+ num_procs = omp_get_num_procs();
+ omp_send_int_to_host(ofld, num_procs);
+}
+
+void omp_set_dynamic_lrb(
+ void *ofld
+)
+{
+ int dynamic;
+
+ dynamic = omp_get_int_from_host(ofld);
+ omp_set_dynamic(dynamic);
+}
+
+void omp_get_dynamic_lrb(
+ void *ofld
+)
+{
+ int dynamic;
+
+ dynamic = omp_get_dynamic();
+ omp_send_int_to_host(ofld, dynamic);
+}
+
+void omp_set_nested_lrb(
+ void *ofld
+)
+{
+ int nested;
+
+ nested = omp_get_int_from_host(ofld);
+ omp_set_nested(nested);
+}
+
+void omp_get_nested_lrb(
+ void *ofld
+)
+{
+ int nested;
+
+ nested = omp_get_nested();
+ omp_send_int_to_host(ofld, nested);
+}
+
+void omp_set_schedule_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[2] = {0};
+ omp_sched_t kind;
+ int modifier;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_in;
+ vars[0].ptr = &kind;
+
+ vars[1].type.src = c_data;
+ vars[1].type.dst = c_data;
+ vars[1].direction.bits = c_parameter_in;
+ vars[1].ptr = &modifier;
+
+ OFFLOAD_TARGET_ENTER(ofld, 2, vars, NULL);
+ omp_set_schedule(kind, modifier);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_get_schedule_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[2] = {0};
+ omp_sched_t kind;
+ int modifier;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_out;
+ vars[0].ptr = &kind;
+
+ vars[1].type.src = c_data;
+ vars[1].type.dst = c_data;
+ vars[1].direction.bits = c_parameter_out;
+ vars[1].ptr = &modifier;
+
+ OFFLOAD_TARGET_ENTER(ofld, 2, vars, NULL);
+ omp_get_schedule(&kind, &modifier);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+// lock API functions
+
+void omp_init_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_out;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_init_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_destroy_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_in;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_destroy_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_set_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_inout;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_set_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_unset_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_inout;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_unset_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_test_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[2] = {0};
+ omp_lock_target_t lock;
+ int result;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_inout;
+ vars[0].ptr = &lock;
+
+ vars[1].type.src = c_data;
+ vars[1].type.dst = c_data;
+ vars[1].direction.bits = c_parameter_out;
+ vars[1].ptr = &result;
+
+ OFFLOAD_TARGET_ENTER(ofld, 2, vars, NULL);
+ result = omp_test_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+// nested lock API functions
+
+void omp_init_nest_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_nest_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_out;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_init_nest_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_destroy_nest_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_nest_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_in;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_destroy_nest_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_set_nest_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_nest_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_inout;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_set_nest_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_unset_nest_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[1] = {0};
+ omp_nest_lock_target_t lock;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_inout;
+ vars[0].ptr = &lock;
+
+ OFFLOAD_TARGET_ENTER(ofld, 1, vars, NULL);
+ omp_unset_nest_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+void omp_test_nest_lock_lrb(
+ void *ofld_
+)
+{
+ OFFLOAD ofld = (OFFLOAD) ofld_;
+ VarDesc vars[2] = {0};
+ omp_nest_lock_target_t lock;
+ int result;
+
+ vars[0].type.src = c_data;
+ vars[0].type.dst = c_data;
+ vars[0].direction.bits = c_parameter_inout;
+ vars[0].ptr = &lock;
+
+ vars[1].type.src = c_data;
+ vars[1].type.dst = c_data;
+ vars[1].direction.bits = c_parameter_out;
+ vars[1].ptr = &result;
+
+ OFFLOAD_TARGET_ENTER(ofld, 2, vars, NULL);
+ result = omp_test_nest_lock(&lock.lock);
+ OFFLOAD_TARGET_LEAVE(ofld);
+}
+
+// Target-side stubs for the host functions (to avoid unresolveds)
+// These are needed for the offloadm table
+
+void omp_set_num_threads_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ int num_threads
+)
+{
+}
+
+int omp_get_max_threads_target(
+ TARGET_TYPE target_type,
+ int target_number
+)
+{
+ return 0;
+}
+
+int omp_get_num_procs_target(
+ TARGET_TYPE target_type,
+ int target_number
+)
+{
+ return 0;
+}
+
+void omp_set_dynamic_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ int num_threads
+)
+{
+}
+
+int omp_get_dynamic_target(
+ TARGET_TYPE target_type,
+ int target_number
+)
+{
+ return 0;
+}
+
+void omp_set_nested_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ int num_threads
+)
+{
+}
+
+int omp_get_nested_target(
+ TARGET_TYPE target_type,
+ int target_number
+)
+{
+ return 0;
+}
+
+void omp_set_schedule_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_sched_t kind,
+ int modifier
+)
+{
+}
+
+void omp_get_schedule_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_sched_t *kind,
+ int *modifier
+)
+{
+}
+
+void omp_init_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_lock_target_t *lock
+)
+{
+}
+
+void omp_destroy_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_lock_target_t *lock
+)
+{
+}
+
+void omp_set_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_lock_target_t *lock
+)
+{
+}
+
+void omp_unset_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_lock_target_t *lock
+)
+{
+}
+
+int omp_test_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_lock_target_t *lock
+)
+{
+ return 0;
+}
+
+void omp_init_nest_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_nest_lock_target_t *lock
+)
+{
+}
+
+void omp_destroy_nest_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_nest_lock_target_t *lock
+)
+{
+}
+
+void omp_set_nest_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_nest_lock_target_t *lock
+)
+{
+}
+
+void omp_unset_nest_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_nest_lock_target_t *lock
+)
+{
+}
+
+int omp_test_nest_lock_target(
+ TARGET_TYPE target_type,
+ int target_number,
+ omp_nest_lock_target_t *lock
+)
+{
+ return 0;
+}