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util: Add missing functions to the java wrapper for m5 ops.

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Change-Id: I9bdef3cb78cc01b0743ea38eec6f6d28cd2f6765
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/27225
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Gabe Black
2020-03-25 15:50:07 -07:00
parent ae3dc85cc3
commit 8fd4d147b6
2 changed files with 56 additions and 0 deletions
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6
util/m5/src/jni/gem5Op.java
View File

@@ -57,8 +57,14 @@ public class gem5Op {
public native void reset_stats(long ns_delay, long ns_period);
public native void dump_stats(long ns_delay, long ns_period);
public native void dump_reset_stats(long ns_delay, long ns_period);
public native long read_file(byte[] buffer, long len, long offset);
public native long write_file(byte[] buffer, long len, long offset,
String filename);
public native void debug_break();
public native void switch_cpu();
public native void dist_toggle_sync();
public native void add_symbol(long addr, String symbol);
public native void load_symbol();
public native void panic();
public native void work_begin(long workid, long threadid);
public native void work_end(long workid, long threadid);

50
util/m5/src/jni_gem5Op.c
View File

@@ -142,6 +142,33 @@ Java_jni_gem5Op_dump_1reset_1stats(JNIEnv *env, jobject obj,
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)
{
@@ -154,6 +181,29 @@ 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)
{