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CI: Add RTC test coverage
This change adds CI tests to verify RTC functionality, covering the following cases: 1. Verify that /dev/rtc0 is present and logged in dmesg. 2. Ensure /dev/rtc0 is interactable: - Use rtc_settime to set the year to both before(1980) and after(2030) the current year, then verify that the RTC retains the changes. - Use rtc_alarm to confirm that the alarm_IRQ status transitions correctly: no -> yes -> no. 3. Validate alignment of the UTC year between host and guest using the date command.
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‎.ci/boot-linux.sh‎

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Original file line numberDiff line numberDiff line change
@@ -65,6 +65,9 @@ ASSERT()
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cleanup
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# To test RTC clock
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HOST_UTC_YEAR=$(LC_ALL=C date -u +%Y)
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ENABLE_VBLK=1
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VBLK_IMG=build/disk.img
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[ -f "${VBLK_IMG}" ] || ENABLE_VBLK=0
@@ -76,10 +79,93 @@ OPTS_BASE+=" -i build/linux-image/rootfs.cpio"
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TEST_OPTIONS=("base (${OPTS_BASE})")
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EXPECT_CMDS=('
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expect "buildroot login:" { send "root\n" } timeout { exit 1 }
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expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
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expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { send "\x01"; send "x" } timeout { exit 3 }
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')
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# RTC alarm and settime tests
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TEST_OPTIONS+=("base (${OPTS_BASE})")
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EXPECT_CMDS+=('
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expect "buildroot login:" { send "root\n" } timeout { exit 1 }
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expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
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expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { } timeout { exit 3 }
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expect "# " { send "rtc_alarm\n" } timeout { exit 3 }
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expect "alarm_IRQ : no" { } timeout { exit 3 }
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expect "alarm_IRQ : yes" { } timeout { exit 3 }
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expect "alarm_IRQ : no" { } timeout { exit 3 }
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expect "# " { send "\x01"; send "x" } timeout { exit 3 }
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')
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YEAR1=1980
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YEAR2=2030
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TEST_OPTIONS+=("base (${OPTS_BASE})")
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EXPECT_CMDS+=('
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expect "buildroot login:" { send "root\n" } timeout { exit 1 }
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expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
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expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { } timeout { exit 3 }
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expect "# " { send "rtc_settime ${year1}\n" } timeout { exit 3 }
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expect "rtc_date : ${year1}-01-01" { } timeout { exit 3 }
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expect "# " { send "\x01"; send "x" } timeout { exit 3 }
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')
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TEST_OPTIONS+=("base (${OPTS_BASE})")
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EXPECT_CMDS+=('
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expect "buildroot login:" { send "root\n" } timeout { exit 1 }
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expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
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expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { } timeout { exit 3 }
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expect "# " { send "rtc_settime ${year2}\n" } timeout { exit 3 }
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expect "rtc_date : ${year2}-01-01" { } timeout { exit 3 }
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expect "# " { send "\x01"; send "x" } timeout { exit 3 }
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')
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TEST_OPTIONS+=("base (${OPTS_BASE})")
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EXPECT_CMDS+=('
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expect "buildroot login:" { send "root\n" } timeout { exit 1 }
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expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
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expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { } timeout { exit 3 }
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expect "# " { send "rtc_settime ${year1}\n" } timeout { exit 3 }
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expect "rtc_date : ${year1}-01-01" { } timeout { exit 3 }
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expect "# " { send "rtc_alarm\n" } timeout { exit 3 }
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expect "alarm_IRQ : no" { } timeout { exit 3 }
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expect "alarm_IRQ : yes" { } timeout { exit 3 }
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expect "alarm_IRQ : no" { } timeout { exit 3 }
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expect "# " { send "\x01"; send "x" } timeout { exit 3 }
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')
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TEST_OPTIONS+=("base (${OPTS_BASE})")
152+
EXPECT_CMDS+=('
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expect "buildroot login:" { send "root\n" } timeout { exit 1 }
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expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
155+
expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { } timeout { exit 3 }
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expect "# " { send "rtc_settime ${year2}\n" } timeout { exit 3 }
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expect "rtc_date : ${year2}-01-01" { } timeout { exit 3 }
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expect "# " { send "rtc_alarm\n" } timeout { exit 3 }
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expect "alarm_IRQ : no" { } timeout { exit 3 }
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expect "alarm_IRQ : yes" { } timeout { exit 3 }
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expect "alarm_IRQ : no" { } timeout { exit 3 }
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expect "# " { send "\x01"; send "x" } timeout { exit 3 }
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')
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COLOR_G='\e[32;01m' # Green
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COLOR_R='\e[31;01m' # Red
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COLOR_Y='\e[33;01m' # Yellow
@@ -97,6 +183,10 @@ if [ "${ENABLE_VBLK}" -eq "1" ]; then
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TEST_OPTIONS+=("${OPTS_BASE} -x vblk:${VBLK_IMG},readonly")
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EXPECT_CMDS+=('
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expect "buildroot login:" { send "root\n" } timeout { exit 1 }
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expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
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expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { send "mkdir mnt && mount /dev/vda mnt\n" } timeout { exit 3 }
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expect "# " { send "echo rv32emu > mnt/emu.txt\n" } timeout { exit 3 }
@@ -108,6 +198,10 @@ if [ "${ENABLE_VBLK}" -eq "1" ]; then
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TEST_OPTIONS+=("${OPTS_BASE} -x vblk:${VBLK_IMG},readonly -x vblk:${BLK_DEV},readonly")
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EXPECT_CMDS+=('
110200
expect "buildroot login:" { send "root\n" } timeout { exit 1 }
201+
expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
202+
expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
111205
expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { send "mkdir mnt && mount /dev/vda mnt\n" } timeout { exit 3 }
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expect "# " { send "echo rv32emu > mnt/emu.txt\n" } timeout { exit 3 }
@@ -135,6 +229,10 @@ if [ "${ENABLE_VBLK}" -eq "1" ]; then
135229
TEST_OPTIONS+=("${OPTS_BASE} -x vblk:${VBLK_IMG}")
136230
VBLK_EXPECT_CMDS='
137231
expect "buildroot login:" { send "root\n" } timeout { exit 1 }
232+
expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
233+
expect "rtc0" { } timeout { exit 3 }
234+
expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
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expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { send "mkdir mnt && mount /dev/vda mnt\n" } timeout { exit 3 }
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expect "# " { send "echo rv32emu > mnt/emu.txt\n" } timeout { exit 3 }
@@ -152,6 +250,10 @@ if [ "${ENABLE_VBLK}" -eq "1" ]; then
152250
TEST_OPTIONS+=("${OPTS_BASE} -x vblk:${VBLK_IMG} -x vblk:${BLK_DEV}")
153251
VBLK_EXPECT_CMDS='
154252
expect "buildroot login:" { send "root\n" } timeout { exit 1 }
253+
expect "# " { send "dmesg | grep rtc\n" } timeout { exit 2 }
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expect "rtc0" { } timeout { exit 3 }
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expect "# " { send "date -u +%Y\n" } timeout { exit 2 }
256+
expect "${host_utc_year}" { } timeout { exit 3 }
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expect "# " { send "uname -a\n" } timeout { exit 2 }
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expect "riscv32 GNU/Linux" { send "mkdir mnt && mount /dev/vda mnt\n" } timeout { exit 3 }
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expect "# " { send "echo rv32emu > mnt/emu.txt\n" } timeout { exit 3 }
@@ -180,6 +282,9 @@ for i in "${!TEST_OPTIONS[@]}"; do
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RUN_LINUX="build/rv32emu ${OPTS}"
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182284
ASSERT expect <<- DONE
285+
set host_utc_year ${HOST_UTC_YEAR}
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set year1 ${YEAR1}
287+
set year2 ${YEAR2}
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set timeout ${TIMEOUT}
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spawn ${RUN_LINUX}
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${EXPECT_CMDS[$i]}

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