vendor/opencsd/900407e9d6400f6541138d6c2e483a9fc2d699a4

1 files changed, 242 insertions, 0 deletions

diff --git a/decoder/source/trc_gen_elem.cpp b/decoder/source/trc_gen_elem.cpp
new file mode 100644
index 000000000000..d2536f5758a0
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+++ b/decoder/source/trc_gen_elem.cpp
@@ -0,0 +1,242 @@
+/*
+ * \file       trc_gen_elem.cpp
+ * \brief      OpenCSD : 
+ * 
+ * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
+ */
+
+/* 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, 
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. 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. 
+ * 
+ * 3. Neither the name of the copyright holder 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 "common/trc_gen_elem.h"
+
+#include <string>
+#include <sstream>
+#include <iomanip>
+
+static const char *s_elem_descs[][2] =  
+{
+    {"OCSD_GEN_TRC_ELEM_UNKNOWN","Unknown trace element - default value or indicate error in stream to client."},
+    {"OCSD_GEN_TRC_ELEM_NO_SYNC","Waiting for sync - either at start of decode, or after overflow / bad packet"},
+    {"OCSD_GEN_TRC_ELEM_TRACE_ON","Start of trace - beginning of elements or restart after discontinuity (overflow, trace filtering)."},
+    {"OCSD_GEN_TRC_ELEM_EO_TRACE","End of the available trace in the buffer."},
+    {"OCSD_GEN_TRC_ELEM_PE_CONTEXT","PE status update / change (arch, ctxtid, vmid etc)."},
+    {"OCSD_GEN_TRC_ELEM_INSTR_RANGE","Traced N consecutive instructions from addr (no intervening events or data elements), may have data assoc key"},
+    {"OCSD_GEN_TRC_ELEM_ADDR_NACC","Tracing in inaccessible memory area."},
+    {"OCSD_GEN_TRC_ELEM_ADDR_UNKNOWN","Tracing unknown address area."},
+    {"OCSD_GEN_TRC_ELEM_EXCEPTION","Exception"},
+    {"OCSD_GEN_TRC_ELEM_EXCEPTION_RET","Expection return"},
+    {"OCSD_GEN_TRC_ELEM_TIMESTAMP","Timestamp - preceding elements happeded before this time."},
+    {"OCSD_GEN_TRC_ELEM_CYCLE_COUNT","Cycle count - cycles since last cycle count value - associated with a preceding instruction range."},
+    {"OCSD_GEN_TRC_ELEM_EVENT","Event - numbered event or trigger"},
+    {"OCSD_GEN_TRC_ELEM_SWTRACE","Software trace packet - may contain data payload."},
+    {"OCSD_GEN_TRC_ELEM_CUSTOM","Fully custom packet type."}
+};
+
+static const char *instr_type[] = {
+    "--- ",
+    "BR  ",
+    "iBR ",
+    "ISB ",
+    "DSB.DMB"
+};
+
+#define T_SIZE (sizeof(instr_type) / sizeof(const char *))
+
+static const char *instr_sub_type[] = {
+    "--- ",
+    "b+link ",
+    "A64:ret ",
+    "A64:eret "
+};
+
+#define ST_SIZE (sizeof(instr_sub_type) / sizeof(const char *))
+
+static const char *s_trace_on_reason[] = {
+    "begin or filter",
+    "overflow",
+    "debug restart"
+};
+
+
+static const char *s_isa_str[] = {
+   "A32",      /**< V7 ARM 32, V8 AArch32 */  
+   "T32",          /**< Thumb2 -> 16/32 bit instructions */  
+   "A64",      /**< V8 AArch64 */
+   "TEE",          /**< Thumb EE - unsupported */  
+   "Jaz",      /**< Jazelle - unsupported in trace */ 
+   "Cst",      /**< ISA custom */
+   "Unk"       /**< ISA not yet known */
+};
+
+void OcsdTraceElement::toString(std::string &str) const
+{
+    std::ostringstream oss;
+    int num_str = ((sizeof(s_elem_descs) / sizeof(const char *)) / 2);
+    int typeIdx = (int)this->elem_type;
+    if(typeIdx < num_str)
+    {
+        oss << s_elem_descs[typeIdx][0] << "(";
+        switch(elem_type)
+        {
+        case OCSD_GEN_TRC_ELEM_INSTR_RANGE:
+            oss << "exec range=0x" << std::hex << st_addr << ":[0x" << en_addr << "] ";
+            oss << "(ISA=" << s_isa_str[(int)isa] << ") ";
+            oss << ((last_instr_exec == 1) ? "E " : "N ");
+            if((int)last_i_type < T_SIZE)
+                oss << instr_type[last_i_type];
+            if((last_i_subtype != OCSD_S_INSTR_NONE) && ((int)last_i_subtype < ST_SIZE))
+                oss << instr_sub_type[last_i_subtype];
+            break;
+
+        case OCSD_GEN_TRC_ELEM_ADDR_NACC:
+            oss << " 0x" << std::hex << st_addr << " ";
+            break;
+
+        case OCSD_GEN_TRC_ELEM_EXCEPTION:
+            if(excep_ret_addr == 1)
+            {
+                oss << "pref ret addr:0x" << std::hex << en_addr << "; ";
+            }
+            oss << "excep num (0x" << std::setfill('0') << std::setw(2) << std::hex << exception_number << ") ";
+            break;
+
+        case OCSD_GEN_TRC_ELEM_PE_CONTEXT:
+            oss << "(ISA=" << s_isa_str[(int)isa] << ") ";
+            if((context.exception_level > ocsd_EL_unknown) && (context.el_valid))
+            {
+                oss << "EL" << std::dec << (int)(context.exception_level);
+            }
+            oss << (context.security_level == ocsd_sec_secure ? "S; " : "N; ") << (context.bits64 ? "64-bit; " : "32-bit; ");
+            if(context.vmid_valid)
+                oss << "VMID=0x" << std::hex << context.vmid << "; ";
+            if(context.ctxt_id_valid)
+                oss << "CTXTID=0x" << std::hex << context.context_id << "; ";
+            break;
+
+        case  OCSD_GEN_TRC_ELEM_TRACE_ON:
+            oss << " [" << s_trace_on_reason[trace_on_reason] << "]";
+            break;
+
+        case OCSD_GEN_TRC_ELEM_TIMESTAMP:
+            oss << " [ TS=0x" << std::setfill('0') << std::setw(12) << std::hex << timestamp << "]; "; 
+            break;
+
+        case OCSD_GEN_TRC_ELEM_SWTRACE:
+            printSWInfoPkt(oss);
+            break;
+
+        default: break;
+        }
+        if(has_cc)
+            oss << std::dec << " [CC=" << cycle_count << "]; ";
+        oss << ")";
+    }
+    else
+    {
+        oss << "OCSD_GEN_TRC_ELEM??: index out of range.";
+    }
+    str = oss.str();
+}
+
+OcsdTraceElement &OcsdTraceElement::operator =(const ocsd_generic_trace_elem* p_elem)
+{
+    *dynamic_cast<ocsd_generic_trace_elem*>(this) = *p_elem;
+    return *this;
+}
+
+
+void OcsdTraceElement::printSWInfoPkt(std::ostringstream & oss) const
+{
+    if (!sw_trace_info.swt_global_err)
+    {
+        if (sw_trace_info.swt_id_valid)
+        {
+            oss << " (Ma:0x" << std::setfill('0') << std::setw(2) << std::hex << sw_trace_info.swt_master_id << "; ";
+            oss << "Ch:0x" << std::setfill('0') << std::setw(2) << std::hex << sw_trace_info.swt_channel_id << ") ";
+        }
+        else
+            oss << "(Ma:0x??; Ch:0x??" << ") ";
+
+        if (sw_trace_info.swt_payload_pkt_bitsize > 0)
+        {
+            oss << "0x" << std::setfill('0') << std::hex;
+            if (sw_trace_info.swt_payload_pkt_bitsize == 4)
+            {
+                oss << std::setw(1);
+                oss << (uint16_t)(((uint8_t *)ptr_extended_data)[0] & 0xF);
+            }
+            else
+            {
+                switch (sw_trace_info.swt_payload_pkt_bitsize)
+                {
+                case 8:
+                    // force uint8 to uint16 so oss 'sees' them as something to be stringised, rather than absolute char values
+                    oss << std::setw(2) << (uint16_t)((uint8_t *)ptr_extended_data)[0];
+                    break;
+                case 16:
+                    oss << std::setw(4) << ((uint16_t *)ptr_extended_data)[0];
+                    break;
+                case 32:
+                    oss << std::setw(8) << ((uint32_t *)ptr_extended_data)[0];
+                    break;
+                case 64:
+                    oss << std::setw(16) << ((uint64_t *)ptr_extended_data)[0];
+                    break;
+                default:
+                    oss << "{Data Error : unsupported bit width.}";
+                    break;
+                }
+            }
+            oss << "; ";
+        }
+        if (sw_trace_info.swt_marker_packet)
+            oss << "+Mrk ";
+        if (sw_trace_info.swt_trigger_event)
+            oss << "Trig ";
+        if (sw_trace_info.swt_has_timestamp)
+            oss << " [ TS=0x" << std::setfill('0') << std::setw(12) << std::hex << timestamp << "]; ";
+        if (sw_trace_info.swt_frequency)
+            oss << "Freq";
+        if (sw_trace_info.swt_master_err)
+            oss << "{Master Error.}";
+    }
+    else
+    {
+        oss << "{Global Error.}";
+    }
+}
+
+/*
+void OcsdTraceElement::toString(const ocsd_generic_trace_elem *p_elem, std::string &str)
+{
+    OcsdTraceElement elem;
+    elem = p_elem;
+    elem.toString(str);
+}
+*/
+/* End of File trc_gen_elem.cpp */