/*
 * \file       trc_core_arch_map.cpp
 * \brief      OpenCSD : Map core names to architecture profiles
 * 
 * \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_core_arch_map.h"

typedef struct _ap_map_elements {
    const char *name;
    ocsd_arch_profile_t ap;
} ap_map_elem_t;

static ap_map_elem_t ap_map_array[] = 
{
    { "Cortex-A77", { ARCH_V8r3, profile_CortexA } },
    { "Cortex-A76", { ARCH_V8r3, profile_CortexA } },
    { "Cortex-A75", { ARCH_V8r3, profile_CortexA } },
    { "Cortex-A73", { ARCH_V8, profile_CortexA } },
    { "Cortex-A72", { ARCH_V8, profile_CortexA } },
    { "Cortex-A65", { ARCH_V8r3, profile_CortexA } },
    { "Cortex-A57", { ARCH_V8, profile_CortexA } },
    { "Cortex-A55", { ARCH_V8r3, profile_CortexA } },
    { "Cortex-A53", { ARCH_V8, profile_CortexA } },
    { "Cortex-A35", { ARCH_V8, profile_CortexA } },
    { "Cortex-A32", { ARCH_V8, profile_CortexA } },
    { "Cortex-A17", { ARCH_V7, profile_CortexA } },
    { "Cortex-A15", { ARCH_V7, profile_CortexA } },
    { "Cortex-A12", { ARCH_V7, profile_CortexA } },
    { "Cortex-A9", { ARCH_V7, profile_CortexA } },
    { "Cortex-A8", { ARCH_V7, profile_CortexA } },
    { "Cortex-A7", { ARCH_V7, profile_CortexA } },
    { "Cortex-A5", { ARCH_V7, profile_CortexA } },
    { "Cortex-R52", { ARCH_V8, profile_CortexR } },
    { "Cortex-R8", { ARCH_V7, profile_CortexR } },
    { "Cortex-R7", { ARCH_V7, profile_CortexR } },
    { "Cortex-R5", { ARCH_V7, profile_CortexR } },
    { "Cortex-R4", { ARCH_V7, profile_CortexR } },
    { "Cortex-M33", { ARCH_V8, profile_CortexM } },
    { "Cortex-M23", { ARCH_V8, profile_CortexM } },
    { "Cortex-M0", { ARCH_V7, profile_CortexM } },
    { "Cortex-M0+", { ARCH_V7, profile_CortexM } },
    { "Cortex-M3", { ARCH_V7, profile_CortexM } },
    { "Cortex-M4", { ARCH_V7, profile_CortexM } }
};   

CoreArchProfileMap::CoreArchProfileMap()
{
    unsigned i;
    for (i = 0; i < sizeof(ap_map_array) / sizeof(_ap_map_elements); i++)
    {
        core_profiles[ap_map_array[i].name] = ap_map_array[i].ap;
    }
}

ocsd_arch_profile_t CoreArchProfileMap::getArchProfile(const std::string &coreName)
{
    ocsd_arch_profile_t ap = { ARCH_UNKNOWN, profile_Unknown };
    bool bFound = false;

    std::map<std::string, ocsd_arch_profile_t>::const_iterator it;

    /* match against the core name map. */
    it = core_profiles.find(coreName);
    if (it != core_profiles.end())
    {
        ap = it->second;
        bFound = true;
    }

    /* try a pattern match on core name - pick up ARMvM[.m]-P and ARM-{aa|AA}64[-P] */
    if (!bFound)
        ap = getPatternMatchCoreName(coreName);

    return ap;
}
ocsd_arch_profile_t CoreArchProfileMap::getPatternMatchCoreName(const std::string &coreName)
{
    ocsd_arch_profile_t ap = { ARCH_UNKNOWN, profile_Unknown };
    size_t pos;

    /* look for ARMvM[.m]-P */
    pos = coreName.find("ARMv");
    if (pos == 0)
    {
        int majver = coreName[4] - '0';
        int minver = 0;
        int dotoffset = 0;

        pos = coreName.find_first_of(".");
        if (pos == 5) {
            minver = coreName[6] - '0';
            dotoffset = 2;
        }
        else if (pos != std::string::npos)
            return ap;

        if (majver == 7)
            ap.arch = ARCH_V7;
        else if (majver >= 8) {
            ap.arch = ARCH_AA64; /* default to 8.3+*/
            if (majver == 8) {
                if (minver < 3)
                    ap.arch = ARCH_V8;
                else if (minver == 3)
                    ap.arch = ARCH_V8r3;
            }
        }
        else
            return ap; /* no valid version  - return unknown */

        if (coreName.find_first_of("-", 4) == (size_t)(5 + dotoffset)) {
            int profile_idx = 6 + dotoffset;
            if (coreName[profile_idx] == 'A')
                ap.profile = profile_CortexA;
            else if (coreName[profile_idx] == 'R')
                ap.profile = profile_CortexR;
            else if (coreName[profile_idx] == 'M')
                ap.profile = profile_CortexM;
            else
                ap.arch = ARCH_UNKNOWN; /*reset arch, return unknown*/
        }
        else
            ap.arch = ARCH_UNKNOWN; /*reset arch, return unknown*/
        return ap;
    }

    /* look for ARM-{AA|aa}64[-P] */
    pos = coreName.find("ARM-");
    if (pos == 0)
    {
        pos = coreName.find("aa64");
        if (pos != 4)
            pos = coreName.find("AA64");
        if (pos == 4)
        {
            ap.arch = ARCH_AA64;
            ap.profile = profile_CortexA;
            if (coreName.find_first_of("-", 7) == 8) {
                if (coreName[9] == 'R')
                    ap.profile = profile_CortexR;
                else if (coreName[9] == 'M')
                    ap.profile = profile_CortexM;
            }
        }
    }
    return ap;
}
/* End of File trc_core_arch_map.cpp */