1 files changed, 93 insertions, 0 deletions
diff --git a/ext/nomali/lib/jobcontrol.hh b/ext/nomali/lib/jobcontrol.hh
new file mode 100644
index 000000000..e0efc04c9
--- /dev/null
+++ b/ext/nomali/lib/jobcontrol.hh
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2014-2015 ARM Limited
+ * All rights reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Authors: Andreas Sandberg
+ */
+
+#ifndef _LIBNOMALIMODEL_JOBCONTROL_HH
+#define _LIBNOMALIMODEL_JOBCONTROL_HH
+
+#include <vector>
+
+#include "gpublock.hh"
+#include "jobslot.hh"
+#include "types.hh"
+
+namespace NoMali {
+
+class GPU;
+
+/**
+ * Minimal GPU job control implementation.
+ *
+ * This class implements the job control block of a Midgard style
+ * GPU. The job control block mainly coordinates interrupt delivery
+ * and register mappings for the different job slots within the
+ * block. The actual job slots are implemented by the JobSlot class.
+ *
+ * @see JobSlot
+ */
+class JobControl
+    : public GPUBlockInt
+{
+  public:
+    JobControl(GPU &_gpu);
+    virtual ~JobControl();
+
+    uint32_t readReg(RegAddr idx)  override;
+    void writeReg(RegAddr idx, uint32_t value) override;
+
+    uint32_t readRegRaw(RegAddr idx)  override;
+    void writeRegRaw(RegAddr idx, uint32_t value) override;
+
+    /**
+     * Signal job done.
+     *
+     * Calling this method raises the job done interrupt for a
+     * specific job slot. This is typically called from the job slot
+     * running the job chain.
+     *
+     * @param slot Job slot number.
+     */
+    void jobDone(uint8_t slot);
+    /**
+     * Signal job failed.
+     *
+     * Calling this method raises the job failed interrupt for a
+     * specific job slot. This is typically called from the job slot
+     * running the job chain.
+     *
+     * @param slot Job slot number.
+     */
+    void jobFailed(uint8_t slot);
+
+  protected:
+    /**
+     * Update the state of the job slot state snapshot register.
+     *
+     * @param jobs Bit mask representing which job slots to update.
+     */
+    void updateJsState(uint16_t jobs);
+
+    void onInterrupt(int set) override;
+
+    /** Job slots belonging to this job control block */
+    std::vector<JobSlot> slots;
+};
+
+}
+
+#endif // _LIBNOMALIMODEL_JOBCONTROL_HH