eeddd59f59
Add a first test to validate the protocol: - rtas/get-time-of-day compares the time from the guest with the time from the host. Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "libqtest.h"
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#include "libqos/rtas.h"
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static void qrtas_copy_args(uint64_t target_args, uint32_t nargs,
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uint32_t *args)
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{
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int i;
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for (i = 0; i < nargs; i++) {
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writel(target_args + i * sizeof(uint32_t), args[i]);
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}
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}
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static void qrtas_copy_ret(uint64_t target_ret, uint32_t nret, uint32_t *ret)
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{
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int i;
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for (i = 0; i < nret; i++) {
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ret[i] = readl(target_ret + i * sizeof(uint32_t));
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}
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}
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static uint64_t qrtas_call(QGuestAllocator *alloc, const char *name,
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uint32_t nargs, uint32_t *args,
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uint32_t nret, uint32_t *ret)
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{
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uint64_t res;
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uint64_t target_args, target_ret;
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target_args = guest_alloc(alloc, nargs * sizeof(uint32_t));
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target_ret = guest_alloc(alloc, nret * sizeof(uint32_t));
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qrtas_copy_args(target_args, nargs, args);
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res = qtest_rtas_call(global_qtest, name,
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nargs, target_args, nret, target_ret);
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qrtas_copy_ret(target_ret, nret, ret);
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guest_free(alloc, target_ret);
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guest_free(alloc, target_args);
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return res;
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}
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int qrtas_get_time_of_day(QGuestAllocator *alloc, struct tm *tm, uint32_t *ns)
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{
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int res;
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uint32_t ret[8];
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res = qrtas_call(alloc, "get-time-of-day", 0, NULL, 8, ret);
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if (res != 0) {
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return res;
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}
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res = ret[0];
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memset(tm, 0, sizeof(*tm));
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tm->tm_year = ret[1] - 1900;
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tm->tm_mon = ret[2] - 1;
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tm->tm_mday = ret[3];
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tm->tm_hour = ret[4];
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tm->tm_min = ret[5];
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tm->tm_sec = ret[6];
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*ns = ret[7];
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return res;
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}
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