Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 258 deletions

diff --git a/qemu/target-arm/psci.c b/qemu/target-arm/psci.c
deleted file mode 100644
index c55487f87..000000000
--- a/qemu/target-arm/psci.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Copyright (C) 2014 - Linaro
- * Author: Rob Herring <rob.herring@linaro.org>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#include "qemu/osdep.h"
-#include <cpu.h>
-#include <cpu-qom.h>
-#include <exec/helper-proto.h>
-#include <kvm-consts.h>
-#include <sysemu/sysemu.h>
-#include "internals.h"
-
-bool arm_is_psci_call(ARMCPU *cpu, int excp_type)
-{
-    /* Return true if the r0/x0 value indicates a PSCI call and
-     * the exception type matches the configured PSCI conduit. This is
-     * called before the SMC/HVC instruction is executed, to decide whether
-     * we should treat it as a PSCI call or with the architecturally
-     * defined behaviour for an SMC or HVC (which might be UNDEF or trap
-     * to EL2 or to EL3).
-     */
-    CPUARMState *env = &cpu->env;
-    uint64_t param = is_a64(env) ? env->xregs[0] : env->regs[0];
-
-    switch (excp_type) {
-    case EXCP_HVC:
-        if (cpu->psci_conduit != QEMU_PSCI_CONDUIT_HVC) {
-            return false;
-        }
-        break;
-    case EXCP_SMC:
-        if (cpu->psci_conduit != QEMU_PSCI_CONDUIT_SMC) {
-            return false;
-        }
-        break;
-    default:
-        return false;
-    }
-
-    switch (param) {
-    case QEMU_PSCI_0_2_FN_PSCI_VERSION:
-    case QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE:
-    case QEMU_PSCI_0_2_FN_AFFINITY_INFO:
-    case QEMU_PSCI_0_2_FN64_AFFINITY_INFO:
-    case QEMU_PSCI_0_2_FN_SYSTEM_RESET:
-    case QEMU_PSCI_0_2_FN_SYSTEM_OFF:
-    case QEMU_PSCI_0_1_FN_CPU_ON:
-    case QEMU_PSCI_0_2_FN_CPU_ON:
-    case QEMU_PSCI_0_2_FN64_CPU_ON:
-    case QEMU_PSCI_0_1_FN_CPU_OFF:
-    case QEMU_PSCI_0_2_FN_CPU_OFF:
-    case QEMU_PSCI_0_1_FN_CPU_SUSPEND:
-    case QEMU_PSCI_0_2_FN_CPU_SUSPEND:
-    case QEMU_PSCI_0_2_FN64_CPU_SUSPEND:
-    case QEMU_PSCI_0_1_FN_MIGRATE:
-    case QEMU_PSCI_0_2_FN_MIGRATE:
-        return true;
-    default:
-        return false;
-    }
-}
-
-static CPUState *get_cpu_by_id(uint64_t id)
-{
-    CPUState *cpu;
-
-    CPU_FOREACH(cpu) {
-        ARMCPU *armcpu = ARM_CPU(cpu);
-
-        if (armcpu->mp_affinity == id) {
-            return cpu;
-        }
-    }
-
-    return NULL;
-}
-
-void arm_handle_psci_call(ARMCPU *cpu)
-{
-    /*
-     * This function partially implements the logic for dispatching Power State
-     * Coordination Interface (PSCI) calls (as described in ARM DEN 0022B.b),
-     * to the extent required for bringing up and taking down secondary cores,
-     * and for handling reset and poweroff requests.
-     * Additional information about the calling convention used is available in
-     * the document 'SMC Calling Convention' (ARM DEN 0028)
-     */
-    CPUState *cs = CPU(cpu);
-    CPUARMState *env = &cpu->env;
-    uint64_t param[4];
-    uint64_t context_id, mpidr;
-    target_ulong entry;
-    int32_t ret = 0;
-    int i;
-
-    for (i = 0; i < 4; i++) {
-        /*
-         * All PSCI functions take explicit 32-bit or native int sized
-         * arguments so we can simply zero-extend all arguments regardless
-         * of which exact function we are about to call.
-         */
-        param[i] = is_a64(env) ? env->xregs[i] : env->regs[i];
-    }
-
-    if ((param[0] & QEMU_PSCI_0_2_64BIT) && !is_a64(env)) {
-        ret = QEMU_PSCI_RET_INVALID_PARAMS;
-        goto err;
-    }
-
-    switch (param[0]) {
-        CPUState *target_cpu_state;
-        ARMCPU *target_cpu;
-        CPUClass *target_cpu_class;
-
-    case QEMU_PSCI_0_2_FN_PSCI_VERSION:
-        ret = QEMU_PSCI_0_2_RET_VERSION_0_2;
-        break;
-    case QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE:
-        ret = QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED; /* No trusted OS */
-        break;
-    case QEMU_PSCI_0_2_FN_AFFINITY_INFO:
-    case QEMU_PSCI_0_2_FN64_AFFINITY_INFO:
-        mpidr = param[1];
-
-        switch (param[2]) {
-        case 0:
-            target_cpu_state = get_cpu_by_id(mpidr);
-            if (!target_cpu_state) {
-                ret = QEMU_PSCI_RET_INVALID_PARAMS;
-                break;
-            }
-            target_cpu = ARM_CPU(target_cpu_state);
-            ret = target_cpu->powered_off ? 1 : 0;
-            break;
-        default:
-            /* Everything above affinity level 0 is always on. */
-            ret = 0;
-        }
-        break;
-    case QEMU_PSCI_0_2_FN_SYSTEM_RESET:
-        qemu_system_reset_request();
-        /* QEMU reset and shutdown are async requests, but PSCI
-         * mandates that we never return from the reset/shutdown
-         * call, so power the CPU off now so it doesn't execute
-         * anything further.
-         */
-        goto cpu_off;
-    case QEMU_PSCI_0_2_FN_SYSTEM_OFF:
-        qemu_system_shutdown_request();
-        goto cpu_off;
-    case QEMU_PSCI_0_1_FN_CPU_ON:
-    case QEMU_PSCI_0_2_FN_CPU_ON:
-    case QEMU_PSCI_0_2_FN64_CPU_ON:
-        mpidr = param[1];
-        entry = param[2];
-        context_id = param[3];
-
-        /* change to the cpu we are powering up */
-        target_cpu_state = get_cpu_by_id(mpidr);
-        if (!target_cpu_state) {
-            ret = QEMU_PSCI_RET_INVALID_PARAMS;
-            break;
-        }
-        target_cpu = ARM_CPU(target_cpu_state);
-        if (!target_cpu->powered_off) {
-            ret = QEMU_PSCI_RET_ALREADY_ON;
-            break;
-        }
-        target_cpu_class = CPU_GET_CLASS(target_cpu);
-
-        /* Initialize the cpu we are turning on */
-        cpu_reset(target_cpu_state);
-        target_cpu->powered_off = false;
-        target_cpu_state->halted = 0;
-
-        /*
-         * The PSCI spec mandates that newly brought up CPUs enter the
-         * exception level of the caller in the same execution mode as
-         * the caller, with context_id in x0/r0, respectively.
-         *
-         * For now, it is sufficient to assert() that CPUs come out of
-         * reset in the same mode as the calling CPU, since we only
-         * implement EL1, which means that
-         * (a) there is no EL2 for the calling CPU to trap into to change
-         *     its state
-         * (b) the newly brought up CPU enters EL1 immediately after coming
-         *     out of reset in the default state
-         */
-        assert(is_a64(env) == is_a64(&target_cpu->env));
-        if (is_a64(env)) {
-            if (entry & 1) {
-                ret = QEMU_PSCI_RET_INVALID_PARAMS;
-                break;
-            }
-            target_cpu->env.xregs[0] = context_id;
-        } else {
-            target_cpu->env.regs[0] = context_id;
-            target_cpu->env.thumb = entry & 1;
-        }
-        target_cpu_class->set_pc(target_cpu_state, entry);
-
-        ret = 0;
-        break;
-    case QEMU_PSCI_0_1_FN_CPU_OFF:
-    case QEMU_PSCI_0_2_FN_CPU_OFF:
-        goto cpu_off;
-    case QEMU_PSCI_0_1_FN_CPU_SUSPEND:
-    case QEMU_PSCI_0_2_FN_CPU_SUSPEND:
-    case QEMU_PSCI_0_2_FN64_CPU_SUSPEND:
-        /* Affinity levels are not supported in QEMU */
-        if (param[1] & 0xfffe0000) {
-            ret = QEMU_PSCI_RET_INVALID_PARAMS;
-            break;
-        }
-        /* Powerdown is not supported, we always go into WFI */
-        if (is_a64(env)) {
-            env->xregs[0] = 0;
-        } else {
-            env->regs[0] = 0;
-        }
-        helper_wfi(env);
-        break;
-    case QEMU_PSCI_0_1_FN_MIGRATE:
-    case QEMU_PSCI_0_2_FN_MIGRATE:
-        ret = QEMU_PSCI_RET_NOT_SUPPORTED;
-        break;
-    default:
-        g_assert_not_reached();
-    }
-
-err:
-    if (is_a64(env)) {
-        env->xregs[0] = ret;
-    } else {
-        env->regs[0] = ret;
-    }
-    return;
-
-cpu_off:
-    cpu->powered_off = true;
-    cs->halted = 1;
-    cs->exception_index = EXCP_HLT;
-    cpu_loop_exit(cs);
-    /* notreached */
-}