cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

emc141x-test.c (2332B)

      1/*
      2 * QTest testcase for the EMC141X temperature sensor
      3 *
      4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
      5 * See the COPYING file in the top-level directory.
      6 */
      7
      8#include "qemu/osdep.h"
      9
     10#include "libqtest-single.h"
     11#include "libqos/qgraph.h"
     12#include "libqos/i2c.h"
     13#include "qapi/qmp/qdict.h"
     14#include "hw/sensor/emc141x_regs.h"
     15
     16#define EMC1414_TEST_ID   "emc1414-test"
     17
     18static int qmp_emc1414_get_temperature(const char *id)
     19{
     20    QDict *response;
     21    int ret;
     22
     23    response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, "
     24                   "'property': 'temperature0' } }", id);
     25    g_assert(qdict_haskey(response, "return"));
     26    ret = qdict_get_int(response, "return");
     27    qobject_unref(response);
     28    return ret;
     29}
     30
     31static void qmp_emc1414_set_temperature(const char *id, int value)
     32{
     33    QDict *response;
     34
     35    response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, "
     36                   "'property': 'temperature0', 'value': %d } }", id, value);
     37    g_assert(qdict_haskey(response, "return"));
     38    qobject_unref(response);
     39}
     40
     41static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc)
     42{
     43    uint16_t value;
     44    QI2CDevice *i2cdev = (QI2CDevice *)obj;
     45
     46    value = qmp_emc1414_get_temperature(EMC1414_TEST_ID);
     47    g_assert_cmpuint(value, ==, 0);
     48
     49    value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0);
     50    g_assert_cmphex(value, ==, 0);
     51
     52    /* The default max value is 85C, 0x55=85 */
     53    value = i2c_get8(i2cdev, EMC141X_TEMP_MAX_HIGH0);
     54    g_assert_cmphex(value, ==, 0x55);
     55
     56    value = i2c_get8(i2cdev, EMC141X_TEMP_MIN_HIGH0);
     57    g_assert_cmphex(value, ==, 0);
     58
     59    /* 3000mc = 30C */
     60    qmp_emc1414_set_temperature(EMC1414_TEST_ID, 30000);
     61    value = qmp_emc1414_get_temperature(EMC1414_TEST_ID);
     62    g_assert_cmpuint(value, ==, 30000);
     63
     64    value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0);
     65    g_assert_cmphex(value, ==, 30);
     66
     67}
     68
     69static void emc1414_register_nodes(void)
     70{
     71    QOSGraphEdgeOptions opts = {
     72        .extra_device_opts = "id=" EMC1414_TEST_ID ",address=0x70"
     73    };
     74    add_qi2c_address(&opts, &(QI2CAddress) { 0x70 });
     75
     76    qos_node_create_driver("emc1414", i2c_device_create);
     77    qos_node_consumes("emc1414", "i2c-bus", &opts);
     78
     79    qos_add_test("tx-rx", "emc1414", send_and_receive, NULL);
     80}
     81libqos_init(emc1414_register_nodes);