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4 * Copyright (c) 2012 Kevin Wolf <kwolf@redhat.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32 #include "qemu-common.h"
34 #define TEST_IMAGE_SIZE 1440 * 1024
36 #define FLOPPY_BASE 0x3f0
61 char test_image
[] = "/tmp/qtest.XXXXXX";
63 #define assert_bit_set(data, mask) g_assert_cmphex((data) & (mask), ==, (mask))
64 #define assert_bit_clear(data, mask) g_assert_cmphex((data) & (mask), ==, 0)
66 static void floppy_send(uint8_t byte
)
70 msr
= inb(FLOPPY_BASE
+ reg_msr
);
71 assert_bit_set(msr
, RQM
);
72 assert_bit_clear(msr
, DIO
);
74 outb(FLOPPY_BASE
+ reg_fifo
, byte
);
77 static uint8_t floppy_recv(void)
81 msr
= inb(FLOPPY_BASE
+ reg_msr
);
82 assert_bit_set(msr
, RQM
| DIO
);
84 return inb(FLOPPY_BASE
+ reg_fifo
);
87 static void ack_irq(void)
89 g_assert(get_irq(FLOPPY_IRQ
));
90 floppy_send(CMD_SENSE_INT
);
93 g_assert(!get_irq(FLOPPY_IRQ
));
96 static void send_step_pulse(void)
102 floppy_send(CMD_SEEK
);
103 floppy_send(head
<< 2 | drive
);
104 g_assert(!get_irq(FLOPPY_IRQ
));
111 static void test_media_change(void)
115 /* Media changed bit must be up-to-date after step pulse. Do two SEEKs
116 * because we may already happen to be on the right cylinder initially. */
119 dir
= inb(FLOPPY_BASE
+ reg_dir
);
120 assert_bit_clear(dir
, DSKCHG
);
122 /* Eject the floppy and check that DSKCHG is set. Reading it out doesn't
124 qmp("{'execute':'eject', 'arguments':{ 'device':'floppy0' }}");
125 qmp(""); /* ignore event */
127 dir
= inb(FLOPPY_BASE
+ reg_dir
);
128 assert_bit_set(dir
, DSKCHG
);
129 dir
= inb(FLOPPY_BASE
+ reg_dir
);
130 assert_bit_set(dir
, DSKCHG
);
133 dir
= inb(FLOPPY_BASE
+ reg_dir
);
134 assert_bit_set(dir
, DSKCHG
);
135 dir
= inb(FLOPPY_BASE
+ reg_dir
);
136 assert_bit_set(dir
, DSKCHG
);
138 /* And then insert it again. DSKCHK should not be reset until a step pulse
140 qmp("{'execute':'change', 'arguments':{ 'device':'floppy0', "
141 "'target': '%s' }}", test_image
);
142 qmp(""); /* ignore event (FIXME open -> open transition?!) */
143 qmp(""); /* ignore event */
145 dir
= inb(FLOPPY_BASE
+ reg_dir
);
146 assert_bit_set(dir
, DSKCHG
);
147 dir
= inb(FLOPPY_BASE
+ reg_dir
);
148 assert_bit_set(dir
, DSKCHG
);
151 dir
= inb(FLOPPY_BASE
+ reg_dir
);
152 assert_bit_clear(dir
, DSKCHG
);
153 dir
= inb(FLOPPY_BASE
+ reg_dir
);
154 assert_bit_clear(dir
, DSKCHG
);
157 int main(int argc
, char **argv
)
159 const char *arch
= qtest_get_arch();
164 /* Check architecture */
165 if (strcmp(arch
, "i386") && strcmp(arch
, "x86_64")) {
166 g_test_message("Skipping test for non-x86\n");
170 /* Create a temporary raw image */
171 fd
= mkstemp(test_image
);
173 ret
= ftruncate(fd
, TEST_IMAGE_SIZE
);
178 g_test_init(&argc
, &argv
, NULL
);
180 cmdline
= g_strdup_printf("-vnc none "
181 "-drive file=%s,if=floppy,cache=writeback ",
184 qtest_start(cmdline
);
185 qtest_irq_intercept_in(global_qtest
, "ioapic");
186 qtest_add_func("/fdc/media_change", test_media_change
);
191 qtest_quit(global_qtest
);