Archipelago » qemu

#include "hw/hw.h"

#include "hw/boards.h"

void cpu_save(QEMUFile *f, void *opaque)

{

    int i;

    CPUARMState *env = (CPUARMState *)opaque;

    for (i = 0; i < 16; i++) {

        qemu_put_be32(f, env->regs[i]);

    }

    qemu_put_be32(f, cpsr_read(env));

    qemu_put_be32(f, env->spsr);

    for (i = 0; i < 6; i++) {

        qemu_put_be32(f, env->banked_spsr[i]);

        qemu_put_be32(f, env->banked_r13[i]);

        qemu_put_be32(f, env->banked_r14[i]);

    }

    for (i = 0; i < 5; i++) {

        qemu_put_be32(f, env->usr_regs[i]);

        qemu_put_be32(f, env->fiq_regs[i]);

    }

    qemu_put_be32(f, env->cp15.c0_cpuid);

    qemu_put_be32(f, env->cp15.c0_cachetype);

    qemu_put_be32(f, env->cp15.c0_cssel);

    qemu_put_be32(f, env->cp15.c1_sys);

    qemu_put_be32(f, env->cp15.c1_coproc);

    qemu_put_be32(f, env->cp15.c1_xscaleauxcr);

    qemu_put_be32(f, env->cp15.c2_base0);

    qemu_put_be32(f, env->cp15.c2_base1);

    qemu_put_be32(f, env->cp15.c2_control);

    qemu_put_be32(f, env->cp15.c2_mask);

    qemu_put_be32(f, env->cp15.c2_base_mask);

    qemu_put_be32(f, env->cp15.c2_data);

    qemu_put_be32(f, env->cp15.c2_insn);

    qemu_put_be32(f, env->cp15.c3);

    qemu_put_be32(f, env->cp15.c5_insn);

    qemu_put_be32(f, env->cp15.c5_data);

    for (i = 0; i < 8; i++) {

        qemu_put_be32(f, env->cp15.c6_region[i]);

    }

    qemu_put_be32(f, env->cp15.c6_insn);

    qemu_put_be32(f, env->cp15.c6_data);

    qemu_put_be32(f, env->cp15.c9_insn);

    qemu_put_be32(f, env->cp15.c9_data);

    qemu_put_be32(f, env->cp15.c13_fcse);

    qemu_put_be32(f, env->cp15.c13_context);

    qemu_put_be32(f, env->cp15.c13_tls1);

    qemu_put_be32(f, env->cp15.c13_tls2);

    qemu_put_be32(f, env->cp15.c13_tls3);

    qemu_put_be32(f, env->cp15.c15_cpar);

    qemu_put_be32(f, env->features);

    if (arm_feature(env, ARM_FEATURE_VFP)) {

        for (i = 0;  i < 16; i++) {

            CPU_DoubleU u;

            u.d = env->vfp.regs[i];

            qemu_put_be32(f, u.l.upper);

            qemu_put_be32(f, u.l.lower);

        }

        for (i = 0; i < 16; i++) {

            qemu_put_be32(f, env->vfp.xregs[i]);

        }

        /* TODO: Should use proper FPSCR access functions.  */

        qemu_put_be32(f, env->vfp.vec_len);

        qemu_put_be32(f, env->vfp.vec_stride);

        if (arm_feature(env, ARM_FEATURE_VFP3)) {

            for (i = 16;  i < 32; i++) {

                CPU_DoubleU u;

                u.d = env->vfp.regs[i];

                qemu_put_be32(f, u.l.upper);

                qemu_put_be32(f, u.l.lower);

            }

        }

    }

    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {

        for (i = 0; i < 16; i++) {

            qemu_put_be64(f, env->iwmmxt.regs[i]);

        }

        for (i = 0; i < 16; i++) {

            qemu_put_be32(f, env->iwmmxt.cregs[i]);

        }

    }

    if (arm_feature(env, ARM_FEATURE_M)) {

        qemu_put_be32(f, env->v7m.other_sp);

        qemu_put_be32(f, env->v7m.vecbase);

        qemu_put_be32(f, env->v7m.basepri);

        qemu_put_be32(f, env->v7m.control);

        qemu_put_be32(f, env->v7m.current_sp);

        qemu_put_be32(f, env->v7m.exception);

    }

    if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {

        qemu_put_be32(f, env->teecr);

        qemu_put_be32(f, env->teehbr);

    }

}

int cpu_load(QEMUFile *f, void *opaque, int version_id)

{

    CPUARMState *env = (CPUARMState *)opaque;

    int i;

    uint32_t val;

    if (version_id != CPU_SAVE_VERSION)

        return -EINVAL;

    for (i = 0; i < 16; i++) {

        env->regs[i] = qemu_get_be32(f);

    }

    val = qemu_get_be32(f);

    /* Avoid mode switch when restoring CPSR.  */

    env->uncached_cpsr = val & CPSR_M;

    cpsr_write(env, val, 0xffffffff);

    env->spsr = qemu_get_be32(f);

    for (i = 0; i < 6; i++) {

        env->banked_spsr[i] = qemu_get_be32(f);

        env->banked_r13[i] = qemu_get_be32(f);

        env->banked_r14[i] = qemu_get_be32(f);

    }

    for (i = 0; i < 5; i++) {

        env->usr_regs[i] = qemu_get_be32(f);

        env->fiq_regs[i] = qemu_get_be32(f);

    }

    env->cp15.c0_cpuid = qemu_get_be32(f);

    env->cp15.c0_cachetype = qemu_get_be32(f);

    env->cp15.c0_cssel = qemu_get_be32(f);

    env->cp15.c1_sys = qemu_get_be32(f);

    env->cp15.c1_coproc = qemu_get_be32(f);

    env->cp15.c1_xscaleauxcr = qemu_get_be32(f);

    env->cp15.c2_base0 = qemu_get_be32(f);

    env->cp15.c2_base1 = qemu_get_be32(f);

    env->cp15.c2_control = qemu_get_be32(f);

    env->cp15.c2_mask = qemu_get_be32(f);

    env->cp15.c2_base_mask = qemu_get_be32(f);

    env->cp15.c2_data = qemu_get_be32(f);

    env->cp15.c2_insn = qemu_get_be32(f);

    env->cp15.c3 = qemu_get_be32(f);

    env->cp15.c5_insn = qemu_get_be32(f);

    env->cp15.c5_data = qemu_get_be32(f);

    for (i = 0; i < 8; i++) {

        env->cp15.c6_region[i] = qemu_get_be32(f);

    }

    env->cp15.c6_insn = qemu_get_be32(f);

    env->cp15.c6_data = qemu_get_be32(f);

    env->cp15.c9_insn = qemu_get_be32(f);

    env->cp15.c9_data = qemu_get_be32(f);

    env->cp15.c13_fcse = qemu_get_be32(f);

    env->cp15.c13_context = qemu_get_be32(f);

    env->cp15.c13_tls1 = qemu_get_be32(f);

    env->cp15.c13_tls2 = qemu_get_be32(f);

    env->cp15.c13_tls3 = qemu_get_be32(f);

    env->cp15.c15_cpar = qemu_get_be32(f);

    env->features = qemu_get_be32(f);

    if (arm_feature(env, ARM_FEATURE_VFP)) {

        for (i = 0;  i < 16; i++) {

            CPU_DoubleU u;

            u.l.upper = qemu_get_be32(f);

            u.l.lower = qemu_get_be32(f);

            env->vfp.regs[i] = u.d;

        }

        for (i = 0; i < 16; i++) {

            env->vfp.xregs[i] = qemu_get_be32(f);

        }

        /* TODO: Should use proper FPSCR access functions.  */

        env->vfp.vec_len = qemu_get_be32(f);

        env->vfp.vec_stride = qemu_get_be32(f);

        if (arm_feature(env, ARM_FEATURE_VFP3)) {

            for (i = 0;  i < 16; i++) {

                CPU_DoubleU u;

                u.l.upper = qemu_get_be32(f);

                u.l.lower = qemu_get_be32(f);

                env->vfp.regs[i] = u.d;

            }

        }

    }

    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {

        for (i = 0; i < 16; i++) {

            env->iwmmxt.regs[i] = qemu_get_be64(f);

        }

        for (i = 0; i < 16; i++) {

            env->iwmmxt.cregs[i] = qemu_get_be32(f);

        }

    }

    if (arm_feature(env, ARM_FEATURE_M)) {

        env->v7m.other_sp = qemu_get_be32(f);

        env->v7m.vecbase = qemu_get_be32(f);

        env->v7m.basepri = qemu_get_be32(f);

        env->v7m.control = qemu_get_be32(f);

        env->v7m.current_sp = qemu_get_be32(f);

        env->v7m.exception = qemu_get_be32(f);

    }

    if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {

        env->teecr = qemu_get_be32(f);

        env->teehbr = qemu_get_be32(f);

    }

    return 0;

}