cortex_a76.cc

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/*
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * Authors: Gabe Black
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#include "arch/arm/fastmodel/CortexA76/cortex_a76.hh"

#include "arch/arm/fastmodel/iris/cpu.hh"
#include "base/logging.hh"
#include "dev/arm/base_gic.hh"
#include "sim/core.hh"
#include "systemc/tlm_bridge/gem5_to_tlm.hh"

namespace FastModel
{

void
CortexA76::initState()
{
    for (auto *tc : threadContexts)
        tc->setMiscRegNoEffect(ArmISA::MISCREG_CNTFRQ_EL0, params().cntfrq);
}

void
CortexA76::setCluster(CortexA76Cluster *_cluster, int _num)
{
    cluster = _cluster;
    num = _num;

    set_evs_param("CFGEND", params().CFGEND);
    set_evs_param("CFGTE", params().CFGTE);
    set_evs_param("CRYPTODISABLE", params().CRYPTODISABLE);
    set_evs_param("RVBARADDR", params().RVBARADDR);
    set_evs_param("VINITHI", params().VINITHI);
    set_evs_param("enable_trace_special_hlt_imm16",
                  params().enable_trace_special_hlt_imm16);
    set_evs_param("l2cache-hit_latency", params().l2cache_hit_latency);
    set_evs_param("l2cache-maintenance_latency",
                  params().l2cache_maintenance_latency);
    set_evs_param("l2cache-miss_latency", params().l2cache_miss_latency);
    set_evs_param("l2cache-read_access_latency",
                  params().l2cache_read_access_latency);
    set_evs_param("l2cache-read_latency", params().l2cache_read_latency);
    set_evs_param("l2cache-size", params().l2cache_size);
    set_evs_param("l2cache-snoop_data_transfer_latency",
                  params().l2cache_snoop_data_transfer_latency);
    set_evs_param("l2cache-snoop_issue_latency",
                  params().l2cache_snoop_issue_latency);
    set_evs_param("l2cache-write_access_latency",
                  params().l2cache_write_access_latency);
    set_evs_param("l2cache-write_latency", params().l2cache_write_latency);
    set_evs_param("max_code_cache_mb", params().max_code_cache_mb);
    set_evs_param("min_sync_level", params().min_sync_level);
    set_evs_param("semihosting-A32_HLT", params().semihosting_A32_HLT);
    set_evs_param("semihosting-A64_HLT", params().semihosting_A64_HLT);
    set_evs_param("semihosting-ARM_SVC", params().semihosting_ARM_SVC);
    set_evs_param("semihosting-T32_HLT", params().semihosting_T32_HLT);
    set_evs_param("semihosting-Thumb_SVC", params().semihosting_Thumb_SVC);
    set_evs_param("semihosting-cmd_line", params().semihosting_cmd_line);
    set_evs_param("semihosting-cwd", params().semihosting_cwd);
    set_evs_param("semihosting-enable", params().semihosting_enable);
    set_evs_param("semihosting-heap_base", params().semihosting_heap_base);
    set_evs_param("semihosting-heap_limit", params().semihosting_heap_limit);
    set_evs_param("semihosting-stack_base", params().semihosting_stack_base);
    set_evs_param("semihosting-stack_limit", params().semihosting_stack_limit);
    set_evs_param("trace_special_hlt_imm16", params().trace_special_hlt_imm16);
    set_evs_param("vfp-enable_at_reset", params().vfp_enable_at_reset);
}

Port &
CortexA76::getPort(const std::string &if_name, PortID idx)
{
    if (if_name == "redistributor")
        return cluster->getEvs()->gem5_getPort(if_name, num);
    else
        return Base::getPort(if_name, idx);
}

CortexA76Cluster::CortexA76Cluster(Params &p) :
    SimObject(&p), _params(p), cores(p.cores), evs(p.evs)
{
    for (int i = 0; i < p.cores.size(); i++)
        p.cores[i]->setCluster(this, i);

    sc_core::sc_attr_base *base;

    base = evs->get_attribute(Iris::Gem5CpuClusterAttributeName);
    auto *gem5_cluster_attr =
        dynamic_cast<sc_core::sc_attribute<CortexA76Cluster *> *>(base);
    panic_if(base && !gem5_cluster_attr,
             "The EVS gem5 CPU cluster attribute was not of type "
             "sc_attribute<FastModel::CortexA76Cluster *>.");
    if (gem5_cluster_attr)
        gem5_cluster_attr->value = this;

    set_evs_param("core.BROADCASTATOMIC", p.BROADCASTATOMIC);
    set_evs_param("core.BROADCASTCACHEMAINT", p.BROADCASTCACHEMAINT);
    set_evs_param("core.BROADCASTOUTER", p.BROADCASTOUTER);
    set_evs_param("core.BROADCASTPERSIST", p.BROADCASTPERSIST);
    set_evs_param("core.CLUSTER_ID", p.CLUSTER_ID);
    set_evs_param("core.GICDISABLE", p.GICDISABLE);
    set_evs_param("core.cpi_div", p.cpi_div);
    set_evs_param("core.cpi_mul", p.cpi_mul);
    set_evs_param("core.dcache-hit_latency", p.dcache_hit_latency);
    set_evs_param("core.dcache-maintenance_latency",
                  p.dcache_maintenance_latency);
    set_evs_param("core.dcache-miss_latency", p.dcache_miss_latency);
    set_evs_param("core.dcache-prefetch_enabled",
                  p.dcache_prefetch_enabled);
    set_evs_param("core.dcache-read_access_latency",
                  p.dcache_read_access_latency);
    set_evs_param("core.dcache-read_latency", p.dcache_read_latency);
    set_evs_param("core.dcache-snoop_data_transfer_latency",
                  p.dcache_snoop_data_transfer_latency);
    set_evs_param("core.dcache-state_modelled", p.dcache_state_modelled);
    set_evs_param("core.dcache-write_access_latency",
                  p.dcache_write_access_latency);
    set_evs_param("core.dcache-write_latency", p.dcache_write_latency);
    set_evs_param("core.default_opmode", p.default_opmode);
    set_evs_param("core.diagnostics", p.diagnostics);
    set_evs_param("core.enable_simulation_performance_optimizations",
                  p.enable_simulation_performance_optimizations);
    set_evs_param("core.ext_abort_device_read_is_sync",
                  p.ext_abort_device_read_is_sync);
    set_evs_param("core.ext_abort_device_write_is_sync",
                  p.ext_abort_device_write_is_sync);
    set_evs_param("core.ext_abort_so_read_is_sync",
                  p.ext_abort_so_read_is_sync);
    set_evs_param("core.ext_abort_so_write_is_sync",
                  p.ext_abort_so_write_is_sync);
    set_evs_param("core.gicv3.cpuintf-mmap-access-level",
                  p.gicv3_cpuintf_mmap_access_level);
    set_evs_param("core.has_peripheral_port", p.has_peripheral_port);
    set_evs_param("core.has_statistical_profiling",
                  p.has_statistical_profiling);
    set_evs_param("core.icache-hit_latency", p.icache_hit_latency);
    set_evs_param("core.icache-maintenance_latency",
                  p.icache_maintenance_latency);
    set_evs_param("core.icache-miss_latency", p.icache_miss_latency);
    set_evs_param("core.icache-prefetch_enabled",
                  p.icache_prefetch_enabled);
    set_evs_param("core.icache-read_access_latency",
                  p.icache_read_access_latency);
    set_evs_param("core.icache-read_latency", p.icache_read_latency);
    set_evs_param("core.icache-state_modelled", p.icache_state_modelled);
    set_evs_param("core.l3cache-hit_latency", p.l3cache_hit_latency);
    set_evs_param("core.l3cache-maintenance_latency",
                  p.l3cache_maintenance_latency);
    set_evs_param("core.l3cache-miss_latency", p.l3cache_miss_latency);
    set_evs_param("core.l3cache-read_access_latency",
                  p.l3cache_read_access_latency);
    set_evs_param("core.l3cache-read_latency", p.l3cache_read_latency);
    set_evs_param("core.l3cache-size", p.l3cache_size);
    set_evs_param("core.l3cache-snoop_data_transfer_latency",
                  p.l3cache_snoop_data_transfer_latency);
    set_evs_param("core.l3cache-snoop_issue_latency",
                  p.l3cache_snoop_issue_latency);
    set_evs_param("core.l3cache-write_access_latency",
                  p.l3cache_write_access_latency);
    set_evs_param("core.l3cache-write_latency", p.l3cache_write_latency);
    set_evs_param("core.pchannel_treat_simreset_as_poreset",
                  p.pchannel_treat_simreset_as_poreset);
    set_evs_param("core.periph_address_end", p.periph_address_end);
    set_evs_param("core.periph_address_start", p.periph_address_start);
    set_evs_param("core.ptw_latency", p.ptw_latency);
    set_evs_param("core.tlb_latency", p.tlb_latency);
    set_evs_param("core.treat-dcache-cmos-to-pou-as-nop",
                  p.treat_dcache_cmos_to_pou_as_nop);
    set_evs_param("core.walk_cache_latency", p.walk_cache_latency);
}

Port &
CortexA76Cluster::getPort(const std::string &if_name, PortID idx)
{
    if (if_name == "amba") {
        return evs->gem5_getPort(if_name, idx);
    } else {
        return SimObject::getPort(if_name, idx);
    }
}

} // namespace FastModel

FastModel::CortexA76 *
FastModelCortexA76Params::create()
{
    return new FastModel::CortexA76(*this);
}

FastModel::CortexA76Cluster *
FastModelCortexA76ClusterParams::create()
{
    return new FastModel::CortexA76Cluster(*this);
}