/*
 * Copyright (c) 2010 ARM Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
 * unmodified and in its entirety in all distributions of the software,
 * modified or unmodified, in source code or in binary form.
 *
 * 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 the copyright holders 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
 * OWNER 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 <stdint.h>

#include "gem5/m5ops.h"
#include "jni_gem5Op.h"

/*
 * C library interface for gem5Op JNI
 */

JNIEXPORT void JNICALL
Java_jni_gem5Op_arm(JNIEnv *env, jobject obj, jlong j_address)
{
    m5_arm(j_address);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_quiesce(JNIEnv *env, jobject obj)
{
    m5_quiesce();
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_quiesce_1ns(JNIEnv *env, jobject obj, jlong j_ns)
{
    m5_quiesce_ns(j_ns);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_quiesce_1cycle(JNIEnv *env, jobject obj, jlong j_cycles)
{
    m5_quiesce_cycle(j_cycles);
}

JNIEXPORT jlong JNICALL
Java_jni_gem5Op_quiesce_1time(JNIEnv *env, jobject obj)
{
    uint64_t time = m5_quiesce_time();
    if (time & 0x8000000000000000ULL)
        printf("Truncated return value from quiesceTime() to 63 bits\n");
    return (time & 0x7FFFFFFFFFFFFFFFULL);
}

JNIEXPORT jlong JNICALL
Java_jni_gem5Op_rpns(JNIEnv *env, jobject obj)
{
    uint64_t time = m5_rpns();
    if (time & 0x8000000000000000ULL)
        printf("Truncated return value from rpns() to 63 bits\n");
    return (time & 0x7FFFFFFFFFFFFFFFULL);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_wake_1cpu(JNIEnv *env, jobject obj, jlong j_cpuid)
{
    m5_wake_cpu(j_cpuid);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_exit(JNIEnv *env, jobject obj, jlong j_ns_delay)
{
    m5_exit(j_ns_delay);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_fail(JNIEnv *env, jobject obj, jlong j_ns_delay, jlong j_code)
{
    m5_fail(j_ns_delay, j_code);
}

JNIEXPORT jlong JNICALL
Java_jni_gem5Op_init_1param(JNIEnv *env, jobject obj, jlong j_key_str1,
                           jlong j_key_str2)
{
    uint64_t param = m5_init_param(j_key_str1, j_key_str2);
    if (param & 0x8000000000000000ULL)
        printf("Truncated return value from m_initparam() to 63 bits\n");
    return (param & 0x7FFFFFFFFFFFFFFFULL);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_checkpoint(JNIEnv *env, jobject obj,
                           jlong j_ns_delay, jlong j_ns_period)
{
    m5_checkpoint(j_ns_delay, j_ns_period);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_reset_1stats(JNIEnv *env, jobject obj,
                             jlong j_ns_delay, jlong j_ns_period)
{
    m5_reset_stats(j_ns_delay, j_ns_period);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_dump_1stats(JNIEnv *env, jobject obj,
                            jlong j_ns_delay, jlong j_ns_period)
{
    m5_dump_stats(j_ns_delay, j_ns_period);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_dump_1reset_1stats(JNIEnv *env, jobject obj,
                                  jlong j_ns_delay, jlong j_ns_period)
{
    m5_dump_reset_stats(j_ns_delay, j_ns_period);
}

JNIEXPORT jlong JNICALL
Java_jni_gem5Op_read_1file(JNIEnv *env, jobject obj,
                           jbyteArray j_buffer, jlong j_len, jlong j_offset)
{
    jbyte *buffer = (*env)->GetByteArrayElements(env, j_buffer, 0);

    uint64_t result = m5_read_file(buffer, j_len, j_offset);

    (*env)->ReleaseByteArrayElements(env, j_buffer, buffer, JNI_ABORT);
    return (result & 0x7FFFFFFFFFFFFFFFULL);
}

JNIEXPORT jlong JNICALL
Java_jni_gem5Op_write_1file(JNIEnv *env, jobject obj,
                            jbyteArray j_buffer, jlong j_len, jlong j_offset,
                            jstring j_filename)
{
    jbyte *buffer = (*env)->GetByteArrayElements(env, j_buffer, 0);
    const char *filename = (*env)->GetStringUTFChars(env, j_filename, NULL);

    uint64_t result = m5_write_file(buffer, j_len, j_offset, filename);

    (*env)->ReleaseStringUTFChars(env, j_filename, filename);
    (*env)->ReleaseByteArrayElements(env, j_buffer, buffer, JNI_ABORT);
    return (result & 0x7FFFFFFFFFFFFFFFULL);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_debug_1break(JNIEnv *env, jobject obj)
{
    m5_debug_break();
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_switch_1cpu (JNIEnv *env, jobject obj)
{
    m5_switch_cpu();
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_dist_1toggle_1sync(JNIEnv *env, jobject obj)
{
    m5_dist_toggle_sync();
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_add_symbol(JNIEnv *env, jobject obj,
        jlong j_addr, jstring j_symbol)
{
    const char *symbol = (*env)->GetStringUTFChars(env, j_symbol, NULL);

    m5_add_symbol(j_addr, symbol);

    (*env)->ReleaseStringUTFChars(env, j_symbol, symbol);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_load_1symbol(JNIEnv *env, jobject obj)
{
    m5_load_symbol();
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_panic(JNIEnv *env, jobject obj)
{
    m5_panic();
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_work_1begin(JNIEnv *env, jobject obj,
                            jlong j_workid, jlong j_threadid)
{
    m5_work_begin(j_workid, j_threadid);
}

JNIEXPORT void JNICALL
Java_jni_gem5Op_work_1end(JNIEnv *env, jobject obj,
                          jlong j_workid, jlong j_threadid)
{
    m5_work_end(j_workid, j_threadid);
}