C++ (Cpp) xtensa_sync_window_from_phys Examples

Example #1

File: gdbstub.c Project: AmesianX/panda

int xtensa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
{
    XtensaCPU *cpu = XTENSA_CPU(cs);
    CPUXtensaState *env = &cpu->env;
    uint32_t tmp;
    const XtensaGdbReg *reg = env->config->gdb_regmap.reg + n;

    if (n < 0 || n >= env->config->gdb_regmap.num_regs) {
        return 0;
    }

    tmp = ldl_p(mem_buf);

    switch (reg->type) {
    case 9: /*pc*/
        env->pc = tmp;
        break;

    case 1: /*ar*/
        env->phys_regs[(reg->targno & 0xff) % env->config->nareg] = tmp;
        xtensa_sync_window_from_phys(env);
        break;

    case 2: /*SR*/
        env->sregs[reg->targno & 0xff] = tmp;
        break;

    case 3: /*UR*/
        env->uregs[reg->targno & 0xff] = tmp;
        break;

    case 4: /*f*/
        switch (reg->size) {
        case 4:
            env->fregs[reg->targno & 0x0f].f32[FP_F32_LOW] = make_float32(tmp);
            return 4;
        case 8:
            env->fregs[reg->targno & 0x0f].f64 = make_float64(tmp);
            return 8;
        default:
            return 0;
        }

    case 8: /*a*/
        env->regs[reg->targno & 0x0f] = tmp;
        break;

    default:
        qemu_log_mask(LOG_UNIMP, "%s to reg %d of unsupported type %d\n",
                      __func__, n, reg->type);
        return 0;
    }

    return 4;
}

Example #2

File: op_helper.c Project: foxban/qemu-1.1.1-centos5-rpm

static void rotate_window_abs(uint32_t position)
{
    xtensa_sync_phys_from_window(env);
    env->sregs[WINDOW_BASE] = windowbase_bound(position, env);
    xtensa_sync_window_from_phys(env);
}