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https://github.com/qemu/qemu.git
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qtest: add C version of test infrastructure
This also includes a qtest wrapper script to make it easier to launch qtest tests directly. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori
parent
8156be5610
commit
49ee359077
2
osdep.h
2
osdep.h
@ -140,4 +140,6 @@ static inline void qemu_timersub(const struct timeval *val1,
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#define qemu_timersub timersub
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#endif
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void qemu_set_cloexec(int fd);
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#endif
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@ -190,7 +190,6 @@ ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags)
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QEMU_WARN_UNUSED_RESULT;
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ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags)
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QEMU_WARN_UNUSED_RESULT;
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void qemu_set_cloexec(int fd);
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#ifndef _WIN32
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int qemu_eventfd(int pipefd[2]);
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@ -58,11 +58,22 @@ tests/test-qmp-input-visitor$(EXESUF): tests/test-qmp-input-visitor.o $(test-qap
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tests/test-qmp-input-strict$(EXESUF): tests/test-qmp-input-strict.o $(test-qapi-obj-y)
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tests/test-qmp-commands$(EXESUF): tests/test-qmp-commands.o tests/test-qmp-marshal.o $(test-qapi-obj-y)
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# QTest rules
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TARGETS=$(patsubst %-softmmu,%, $(filter %-softmmu,$(TARGET_DIRS)))
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QTEST_TARGETS=$(foreach TARGET,$(TARGETS), $(if $(check-qtest-$(TARGET)-y), $(TARGET),))
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check-qtest-$(CONFIG_POSIX)=$(foreach TARGET,$(TARGETS), $(check-qtest-$(TARGET)-y))
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qtest-obj-y = tests/libqtest.o $(oslib-obj-y)
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$(check-qtest-y): $(qtest-obj-y)
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.PHONY: check-help
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check-help:
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@echo "Regression testing targets:"
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@echo
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@echo " make check Run all tests"
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@echo " make check-qtest-TARGET Run qtest tests for given target"
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@echo " make check-qtest Run qtest tests"
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@echo " make check-unit Run qobject tests"
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@echo " make check-block Run block tests"
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@echo " make check-report.html Generates an HTML test report"
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@ -81,18 +92,27 @@ GTESTER_OPTIONS = -k $(if $(V),--verbose,-q)
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# gtester tests, possibly with verbose output
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.PHONY: $(patsubst %, check-qtest-%, $(QTEST_TARGETS))
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$(patsubst %, check-qtest-%, $(QTEST_TARGETS)): check-qtest-%: $(check-qtest-y)
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$(call quiet-command,QTEST_QEMU_BINARY=$*-softmmu/qemu-system-$* \
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gtester $(GTESTER_OPTIONS) -m=$(SPEED) $(check-qtest-$*-y),"GTESTER $@")
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.PHONY: $(patsubst %, check-%, $(check-unit-y))
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$(patsubst %, check-%, $(check-unit-y)): check-%: %
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$(call quiet-command,gtester $(GTESTER_OPTIONS) -m=$(SPEED) $*,"GTESTER $*")
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# gtester tests with XML output
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$(patsubst %, check-report-qtest-%.xml, $(QTEST_TARGETS)): check-report-qtest-%.xml: $(check-qtest-y)
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$(call quiet-command,QTEST_QEMU_BINARY=$*-softmmu/qemu-system-$* \
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gtester -q $(GTESTER_OPTIONS) -o $@ -m=$(SPEED) $(check-qtest-$*-y),"GTESTER $@")
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check-report-unit.xml: $(check-unit-y)
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$(call quiet-command,gtester -q $(GTESTER_OPTIONS) -o $@ -m=$(SPEED) $^, "GTESTER $@")
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# Reports and overall runs
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check-report.xml: check-report-unit.xml
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check-report.xml: $(patsubst %,check-report-qtest-%.xml, $(QTEST_TARGETS)) check-report-unit.xml
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$(call quiet-command,$(SRC_PATH)/scripts/gtester-cat $^ > $@, " GEN $@")
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check-report.html: check-report.xml
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@ -107,7 +127,8 @@ check-tests/qemu-iotests-quick.sh: tests/qemu-iotests-quick.sh qemu-img$(EXESUF)
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# Consolidated targets
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.PHONY: check-unit check
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.PHONY: check-qtest check-unit check
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check-qtest: $(patsubst %,check-qtest-%, $(QTEST_TARGETS))
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check-unit: $(patsubst %,check-%, $(check-unit-y))
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check-block: $(patsubst %,check-%, $(check-block-y))
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check: check-unit
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check: check-unit check-qtest
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387
tests/libqtest.c
Normal file
387
tests/libqtest.c
Normal file
@ -0,0 +1,387 @@
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/*
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* QTest
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*
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* Copyright IBM, Corp. 2012
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* Copyright Red Hat, Inc. 2012
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Paolo Bonzini <pbonzini@redhat.com>
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*
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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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*/
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#include "libqtest.h"
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#include <glib.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <sys/un.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "osdep.h"
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#define MAX_IRQ 256
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QTestState *global_qtest;
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struct QTestState
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{
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int fd;
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bool irq_level[MAX_IRQ];
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GString *rx;
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gchar *pid_file;
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};
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#define g_assert_no_errno(ret) do { \
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g_assert_cmpint(ret, !=, -1); \
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} while (0)
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QTestState *qtest_init(const char *extra_args)
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{
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QTestState *s;
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struct sockaddr_un addr;
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int sock, ret, i;
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gchar *socket_path;
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gchar *pid_file;
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gchar *command;
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const char *qemu_binary;
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pid_t pid;
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socklen_t addrlen;
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qemu_binary = getenv("QTEST_QEMU_BINARY");
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g_assert(qemu_binary != NULL);
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socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
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pid_file = g_strdup_printf("/tmp/qtest-%d.pid", getpid());
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s = g_malloc(sizeof(*s));
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sock = socket(PF_UNIX, SOCK_STREAM, 0);
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g_assert_no_errno(sock);
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addr.sun_family = AF_UNIX;
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snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socket_path);
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qemu_set_cloexec(sock);
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do {
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ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
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} while (ret == -1 && errno == EINTR);
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g_assert_no_errno(ret);
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listen(sock, 1);
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pid = fork();
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if (pid == 0) {
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command = g_strdup_printf("%s "
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"-qtest unix:%s,nowait "
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"-qtest-log /dev/null "
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"-pidfile %s "
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"-machine accel=qtest "
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"%s", qemu_binary, socket_path,
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pid_file,
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extra_args ?: "");
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ret = system(command);
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exit(ret);
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g_free(command);
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}
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do {
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ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
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} while (ret == -1 && errno == EINTR);
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g_assert_no_errno(ret);
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close(sock);
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s->fd = ret;
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s->rx = g_string_new("");
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s->pid_file = pid_file;
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for (i = 0; i < MAX_IRQ; i++) {
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s->irq_level[i] = false;
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}
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g_free(socket_path);
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return s;
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}
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void qtest_quit(QTestState *s)
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{
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FILE *f;
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char buffer[1024];
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f = fopen(s->pid_file, "r");
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if (f) {
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if (fgets(buffer, sizeof(buffer), f)) {
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pid_t pid = atoi(buffer);
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int status = 0;
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kill(pid, SIGTERM);
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waitpid(pid, &status, 0);
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}
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fclose(f);
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}
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}
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static void qtest_sendf(QTestState *s, const char *fmt, ...)
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{
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va_list ap;
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gchar *str;
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size_t size, offset;
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va_start(ap, fmt);
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str = g_strdup_vprintf(fmt, ap);
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va_end(ap);
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size = strlen(str);
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offset = 0;
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while (offset < size) {
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ssize_t len;
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len = write(s->fd, str + offset, size - offset);
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if (len == -1 && errno == EINTR) {
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continue;
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}
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g_assert_no_errno(len);
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g_assert_cmpint(len, >, 0);
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offset += len;
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}
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}
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static GString *qtest_recv_line(QTestState *s)
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{
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GString *line;
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size_t offset;
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char *eol;
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while ((eol = strchr(s->rx->str, '\n')) == NULL) {
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ssize_t len;
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char buffer[1024];
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len = read(s->fd, buffer, sizeof(buffer));
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if (len == -1 && errno == EINTR) {
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continue;
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}
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if (len == -1 || len == 0) {
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fprintf(stderr, "Broken pipe\n");
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exit(1);
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}
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g_string_append_len(s->rx, buffer, len);
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}
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offset = eol - s->rx->str;
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line = g_string_new_len(s->rx->str, offset);
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g_string_erase(s->rx, 0, offset + 1);
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return line;
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}
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static gchar **qtest_rsp(QTestState *s, int expected_args)
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{
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GString *line;
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gchar **words;
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int i;
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redo:
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line = qtest_recv_line(s);
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words = g_strsplit(line->str, " ", 0);
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g_string_free(line, TRUE);
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if (strcmp(words[0], "IRQ") == 0) {
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int irq;
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g_assert(words[1] != NULL);
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g_assert(words[2] != NULL);
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irq = strtoul(words[2], NULL, 0);
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g_assert_cmpint(irq, >=, 0);
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g_assert_cmpint(irq, <, MAX_IRQ);
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if (strcmp(words[1], "raise") == 0) {
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s->irq_level[irq] = true;
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} else {
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s->irq_level[irq] = false;
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}
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g_strfreev(words);
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goto redo;
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}
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g_assert(words[0] != NULL);
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g_assert_cmpstr(words[0], ==, "OK");
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if (expected_args) {
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for (i = 0; i < expected_args; i++) {
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g_assert(words[i] != NULL);
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}
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} else {
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g_strfreev(words);
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}
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return words;
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}
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const char *qtest_get_arch(void)
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{
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const char *qemu = getenv("QTEST_QEMU_BINARY");
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const char *end = strrchr(qemu, '/');
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return end + strlen("/qemu-system-");
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}
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bool qtest_get_irq(QTestState *s, int num)
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{
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/* dummy operation in order to make sure irq is up to date */
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qtest_inb(s, 0);
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return s->irq_level[num];
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}
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static int64_t qtest_clock_rsp(QTestState *s)
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{
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gchar **words;
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int64_t clock;
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words = qtest_rsp(s, 2);
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clock = g_ascii_strtoll(words[1], NULL, 0);
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g_strfreev(words);
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return clock;
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}
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int64_t qtest_clock_step_next(QTestState *s)
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{
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qtest_sendf(s, "clock_step\n");
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return qtest_clock_rsp(s);
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}
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int64_t qtest_clock_step(QTestState *s, int64_t step)
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{
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qtest_sendf(s, "clock_step %"PRIi64"\n", step);
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return qtest_clock_rsp(s);
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}
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int64_t qtest_clock_set(QTestState *s, int64_t val)
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{
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qtest_sendf(s, "clock_set %"PRIi64"\n", val);
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return qtest_clock_rsp(s);
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}
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void qtest_irq_intercept_out(QTestState *s, const char *qom_path)
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{
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qtest_sendf(s, "irq_intercept_out %s\n", qom_path);
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qtest_rsp(s, 0);
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}
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void qtest_irq_intercept_in(QTestState *s, const char *qom_path)
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{
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qtest_sendf(s, "irq_intercept_in %s\n", qom_path);
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qtest_rsp(s, 0);
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}
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static void qtest_out(QTestState *s, const char *cmd, uint16_t addr, uint32_t value)
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{
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qtest_sendf(s, "%s 0x%x 0x%x\n", cmd, addr, value);
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qtest_rsp(s, 0);
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}
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void qtest_outb(QTestState *s, uint16_t addr, uint8_t value)
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{
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qtest_out(s, "outb", addr, value);
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}
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void qtest_outw(QTestState *s, uint16_t addr, uint16_t value)
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{
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qtest_out(s, "outw", addr, value);
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}
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void qtest_outl(QTestState *s, uint16_t addr, uint32_t value)
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{
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qtest_out(s, "outl", addr, value);
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}
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static uint32_t qtest_in(QTestState *s, const char *cmd, uint16_t addr)
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{
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gchar **args;
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uint32_t value;
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qtest_sendf(s, "%s 0x%x\n", cmd, addr);
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args = qtest_rsp(s, 2);
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value = strtoul(args[1], NULL, 0);
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g_strfreev(args);
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return value;
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}
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uint8_t qtest_inb(QTestState *s, uint16_t addr)
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{
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return qtest_in(s, "inb", addr);
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}
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uint16_t qtest_inw(QTestState *s, uint16_t addr)
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{
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return qtest_in(s, "inw", addr);
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}
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uint32_t qtest_inl(QTestState *s, uint16_t addr)
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{
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return qtest_in(s, "inl", addr);
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}
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static int hex2nib(char ch)
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{
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if (ch >= '0' && ch <= '9') {
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return ch - '0';
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} else if (ch >= 'a' && ch <= 'f') {
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return 10 + (ch - 'a');
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} else if (ch >= 'A' && ch <= 'F') {
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return 10 + (ch - 'a');
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} else {
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return -1;
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}
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}
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void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size)
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{
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uint8_t *ptr = data;
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gchar **args;
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size_t i;
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qtest_sendf(s, "read 0x%x 0x%x\n", addr, size);
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args = qtest_rsp(s, 2);
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for (i = 0; i < size; i++) {
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ptr[i] = hex2nib(args[1][2 + (i * 2)]) << 4;
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ptr[i] |= hex2nib(args[1][2 + (i * 2) + 1]);
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}
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g_strfreev(args);
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}
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void qtest_add_func(const char *str, void (*fn))
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{
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gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
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g_test_add_func(path, fn);
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}
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void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
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{
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const uint8_t *ptr = data;
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size_t i;
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qtest_sendf(s, "write 0x%x 0x%x 0x", addr, size);
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for (i = 0; i < size; i++) {
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qtest_sendf(s, "%02x", ptr[i]);
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}
|
||||
qtest_sendf(s, "\n");
|
||||
qtest_rsp(s, 0);
|
||||
}
|
||||
335
tests/libqtest.h
Normal file
335
tests/libqtest.h
Normal file
@ -0,0 +1,335 @@
|
||||
/*
|
||||
* QTest
|
||||
*
|
||||
* Copyright IBM, Corp. 2012
|
||||
* Copyright Red Hat, Inc. 2012
|
||||
*
|
||||
* Authors:
|
||||
* Anthony Liguori <aliguori@us.ibm.com>
|
||||
* Paolo Bonzini <pbonzini@redhat.com>
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
||||
* See the COPYING file in the top-level directory.
|
||||
*
|
||||
*/
|
||||
#ifndef LIBQTEST_H
|
||||
#define LIBQTEST_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
typedef struct QTestState QTestState;
|
||||
|
||||
extern QTestState *global_qtest;
|
||||
|
||||
/**
|
||||
* qtest_init:
|
||||
* @extra_args: other arguments to pass to QEMU.
|
||||
*/
|
||||
QTestState *qtest_init(const char *extra_args);
|
||||
|
||||
/**
|
||||
* qtest_quit:
|
||||
* @s: QTestState instance to operate on.
|
||||
*
|
||||
* Shut down the QEMU process associated to @s.
|
||||
*/
|
||||
void qtest_quit(QTestState *s);
|
||||
|
||||
/**
|
||||
* qtest_get_irq:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @num: Interrupt to observe.
|
||||
*
|
||||
* Return the level of the @num interrupt.
|
||||
*/
|
||||
bool qtest_get_irq(QTestState *s, int num);
|
||||
|
||||
/**
|
||||
* qtest_irq_intercept_in:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @string: QOM path of a device.
|
||||
*
|
||||
* Associate qtest irqs with the GPIO-in pins of the device
|
||||
* whose path is specified by @string.
|
||||
*/
|
||||
void qtest_irq_intercept_in(QTestState *s, const char *string);
|
||||
|
||||
/**
|
||||
* qtest_irq_intercept_out:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @string: QOM path of a device.
|
||||
*
|
||||
* Associate qtest irqs with the GPIO-out pins of the device
|
||||
* whose path is specified by @string.
|
||||
*/
|
||||
void qtest_irq_intercept_out(QTestState *s, const char *string);
|
||||
|
||||
/**
|
||||
* qtest_outb:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: I/O port to write to.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Write an 8-bit value to an I/O port.
|
||||
*/
|
||||
void qtest_outb(QTestState *s, uint16_t addr, uint8_t value);
|
||||
|
||||
/**
|
||||
* qtest_outw:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: I/O port to write to.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Write a 16-bit value to an I/O port.
|
||||
*/
|
||||
void qtest_outw(QTestState *s, uint16_t addr, uint16_t value);
|
||||
|
||||
/**
|
||||
* qtest_outl:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: I/O port to write to.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Write a 32-bit value to an I/O port.
|
||||
*/
|
||||
void qtest_outl(QTestState *s, uint16_t addr, uint32_t value);
|
||||
|
||||
/**
|
||||
* qtest_inb:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: I/O port to read from.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Returns an 8-bit value from an I/O port.
|
||||
*/
|
||||
uint8_t qtest_inb(QTestState *s, uint16_t addr);
|
||||
|
||||
/**
|
||||
* qtest_inw:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: I/O port to read from.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Returns a 16-bit value from an I/O port.
|
||||
*/
|
||||
uint16_t qtest_inw(QTestState *s, uint16_t addr);
|
||||
|
||||
/**
|
||||
* qtest_inl:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: I/O port to read from.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Returns a 32-bit value from an I/O port.
|
||||
*/
|
||||
uint32_t qtest_inl(QTestState *s, uint16_t addr);
|
||||
|
||||
/**
|
||||
* qtest_memread:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: Guest address to read from.
|
||||
* @data: Pointer to where memory contents will be stored.
|
||||
* @size: Number of bytes to read.
|
||||
*
|
||||
* Read guest memory into a buffer.
|
||||
*/
|
||||
void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size);
|
||||
|
||||
/**
|
||||
* qtest_memwrite:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @addr: Guest address to write to.
|
||||
* @data: Pointer to the bytes that will be written to guest memory.
|
||||
* @size: Number of bytes to write.
|
||||
*
|
||||
* Write a buffer to guest memory.
|
||||
*/
|
||||
void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size);
|
||||
|
||||
/**
|
||||
* qtest_clock_step_next:
|
||||
* @s: QTestState instance to operate on.
|
||||
*
|
||||
* Advance the vm_clock to the next deadline. Return the current
|
||||
* value of the vm_clock in nanoseconds.
|
||||
*/
|
||||
int64_t qtest_clock_step_next(QTestState *s);
|
||||
|
||||
/**
|
||||
* qtest_clock_step:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @step: Number of nanoseconds to advance the clock by.
|
||||
*
|
||||
* Advance the vm_clock by @step nanoseconds. Return the current
|
||||
* value of the vm_clock in nanoseconds.
|
||||
*/
|
||||
int64_t qtest_clock_step(QTestState *s, int64_t step);
|
||||
|
||||
/**
|
||||
* qtest_clock_set:
|
||||
* @s: QTestState instance to operate on.
|
||||
* @val: Nanoseconds value to advance the clock to.
|
||||
*
|
||||
* Advance the vm_clock to @val nanoseconds since the VM was launched.
|
||||
* Return the current value of the vm_clock in nanoseconds.
|
||||
*/
|
||||
int64_t qtest_clock_set(QTestState *s, int64_t val);
|
||||
|
||||
/**
|
||||
* qtest_get_arch:
|
||||
*
|
||||
* Returns the architecture for the QEMU executable under test.
|
||||
*/
|
||||
const char *qtest_get_arch(void);
|
||||
|
||||
/**
|
||||
* qtest_add_func:
|
||||
* @str: Test case path.
|
||||
* @fn: Test case function
|
||||
*
|
||||
* Add a GTester testcase with the given name and function.
|
||||
* The path is prefixed with the architecture under test, as
|
||||
* returned by qtest_get_arch.
|
||||
*/
|
||||
void qtest_add_func(const char *str, void (*fn));
|
||||
|
||||
/**
|
||||
* qtest_start:
|
||||
* @args: other arguments to pass to QEMU
|
||||
*
|
||||
* Start QEMU and assign the resulting QTestState to a global variable.
|
||||
* The global variable is used by "shortcut" macros documented below.
|
||||
*/
|
||||
#define qtest_start(args) ( \
|
||||
global_qtest = qtest_init((args)) \
|
||||
)
|
||||
|
||||
/**
|
||||
* get_irq:
|
||||
* @num: Interrupt to observe.
|
||||
*
|
||||
* Return the level of the @num interrupt.
|
||||
*/
|
||||
#define get_irq(num) qtest_get_irq(global_qtest, num)
|
||||
|
||||
/**
|
||||
* irq_intercept_in:
|
||||
* @string: QOM path of a device.
|
||||
*
|
||||
* Associate qtest irqs with the GPIO-in pins of the device
|
||||
* whose path is specified by @string.
|
||||
*/
|
||||
#define irq_intercept_in(string) qtest_irq_intercept_in(global_qtest, string)
|
||||
|
||||
/**
|
||||
* qtest_irq_intercept_out:
|
||||
* @string: QOM path of a device.
|
||||
*
|
||||
* Associate qtest irqs with the GPIO-out pins of the device
|
||||
* whose path is specified by @string.
|
||||
*/
|
||||
#define irq_intercept_out(string) qtest_irq_intercept_out(global_qtest, string)
|
||||
|
||||
/**
|
||||
* outb:
|
||||
* @addr: I/O port to write to.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Write an 8-bit value to an I/O port.
|
||||
*/
|
||||
#define outb(addr, val) qtest_outb(global_qtest, addr, val)
|
||||
|
||||
/**
|
||||
* outw:
|
||||
* @addr: I/O port to write to.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Write a 16-bit value to an I/O port.
|
||||
*/
|
||||
#define outw(addr, val) qtest_outw(global_qtest, addr, val)
|
||||
|
||||
/**
|
||||
* outl:
|
||||
* @addr: I/O port to write to.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Write a 32-bit value to an I/O port.
|
||||
*/
|
||||
#define outl(addr, val) qtest_outl(global_qtest, addr, val)
|
||||
|
||||
/**
|
||||
* inb:
|
||||
* @addr: I/O port to read from.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Returns an 8-bit value from an I/O port.
|
||||
*/
|
||||
#define inb(addr) qtest_inb(global_qtest, addr)
|
||||
|
||||
/**
|
||||
* inw:
|
||||
* @addr: I/O port to read from.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Returns a 16-bit value from an I/O port.
|
||||
*/
|
||||
#define inw(addr) qtest_inw(global_qtest, addr)
|
||||
|
||||
/**
|
||||
* inl:
|
||||
* @addr: I/O port to read from.
|
||||
* @value: Value being written.
|
||||
*
|
||||
* Returns a 32-bit value from an I/O port.
|
||||
*/
|
||||
#define inl(addr) qtest_inl(global_qtest, addr)
|
||||
|
||||
/**
|
||||
* memread:
|
||||
* @addr: Guest address to read from.
|
||||
* @data: Pointer to where memory contents will be stored.
|
||||
* @size: Number of bytes to read.
|
||||
*
|
||||
* Read guest memory into a buffer.
|
||||
*/
|
||||
#define memread(addr, data, size) qtest_memread(global_qtest, addr, data, size)
|
||||
|
||||
/**
|
||||
* memwrite:
|
||||
* @addr: Guest address to write to.
|
||||
* @data: Pointer to the bytes that will be written to guest memory.
|
||||
* @size: Number of bytes to write.
|
||||
*
|
||||
* Write a buffer to guest memory.
|
||||
*/
|
||||
#define memwrite(addr, data, size) qtest_memwrite(global_qtest, addr, data, size)
|
||||
|
||||
/**
|
||||
* clock_step_next:
|
||||
*
|
||||
* Advance the vm_clock to the next deadline. Return the current
|
||||
* value of the vm_clock in nanoseconds.
|
||||
*/
|
||||
#define clock_step_next() qtest_clock_step_next(global_qtest)
|
||||
|
||||
/**
|
||||
* clock_step:
|
||||
* @step: Number of nanoseconds to advance the clock by.
|
||||
*
|
||||
* Advance the vm_clock by @step nanoseconds. Return the current
|
||||
* value of the vm_clock in nanoseconds.
|
||||
*/
|
||||
#define clock_step(step) qtest_clock_step(global_qtest, step)
|
||||
|
||||
/**
|
||||
* clock_set:
|
||||
* @val: Nanoseconds value to advance the clock to.
|
||||
*
|
||||
* Advance the vm_clock to @val nanoseconds since the VM was launched.
|
||||
* Return the current value of the vm_clock in nanoseconds.
|
||||
*/
|
||||
#define clock_set(val) qtest_clock_set(global_qtest, val)
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user