By starting with get-time-of-day, set-time-of-day.
Signed-off-by: Laurent Vivier <lvivier@xxxxxxxxxx>
---
powerpc/Makefile.common | 5 +-
powerpc/rtas.c | 148 ++++++++++++++++++++++++++++++++++++++++++++++++
powerpc/unittests.cfg | 12 ++++
3 files changed, 164 insertions(+), 1 deletion(-)
create mode 100644 powerpc/rtas.c
diff --git a/powerpc/Makefile.common b/powerpc/Makefile.common
index 2ce6494..424983e 100644
--- a/powerpc/Makefile.common
+++ b/powerpc/Makefile.common
@@ -6,7 +6,8 @@
tests-common = \
$(TEST_DIR)/selftest.elf \
- $(TEST_DIR)/spapr_hcall.elf
+ $(TEST_DIR)/spapr_hcall.elf \
+ $(TEST_DIR)/rtas.elf
all: $(TEST_DIR)/boot_rom.bin test_cases
@@ -66,3 +67,5 @@ test_cases: $(generated_files) $(tests-common) $(tests)
$(TEST_DIR)/selftest.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/selftest.o
$(TEST_DIR)/spapr_hcall.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/spapr_hcall.o
+
+$(TEST_DIR)/rtas.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/rtas.o
diff --git a/powerpc/rtas.c b/powerpc/rtas.c
new file mode 100644
index 0000000..9d673f0
--- /dev/null
+++ b/powerpc/rtas.c
@@ -0,0 +1,148 @@
+/*
+ * Test the RTAS interface
+ */
+
+#include <libcflat.h>
+#include <util.h>
+#include <asm/rtas.h>
+
+#define DAYS(y,m,d) (365UL * (y) + ((y) / 4) - ((y) / 100) + ((y) / 400) + \
+ 367UL * (m) / 12 + \
+ (d))
+
+static unsigned long mktime(int year, int month, int day,
+ int hour, int minute, int second)
+{
+ unsigned long epoch;
+
+ /* Put February at end of the year to avoid leap day this year */
+
+ month -= 2;
+ if (month <= 0) {
+ month += 12;
+ year -= 1;
+ }
+
+ /* compute epoch: substract DAYS(since_March(1-1-1970)) */
+
+ epoch = DAYS(year, month, day) - DAYS(1969, 11, 1);
+
+ epoch = epoch * 24 + hour;
+ epoch = epoch * 60 + minute;
+ epoch = epoch * 60 + second;
+
+ return epoch;
+}
+
+#define DELAY 1
+#define MAX_LOOP 10000000
+
+static void check_get_time_of_day(unsigned long start)
+{
+ int token;
+ int ret;
+ int now[8];
+ unsigned long t1, t2, count;
+
+ token = rtas_token("get-time-of-day");
+ report("token available", token != RTAS_UNKNOWN_SERVICE);
+ if (token == RTAS_UNKNOWN_SERVICE)
+ return;
+
+ ret = rtas_call(token, 0, 8, now);
+ report("execution", ret == 0);
+
+ report("second", now[5] >= 0 && now[5] <= 59);
+ report("minute", now[4] >= 0 && now[4] <= 59);
+ report("hour", now[3] >= 0 && now[3] <= 23);
+ report("day", now[2] >= 1 && now[2] <= 31);
+ report("month", now[1] >= 1 && now[1] <= 12);
+ report("year", now[0] >= 1970);
+ report("accuracy (< 3s)", mktime(now[0], now[1], now[2],
+ now[3], now[4], now[5]) - start < 3);
+
+ ret = rtas_call(token, 0, 8, now);
+ t1 = mktime(now[0], now[1], now[2], now[3], now[4], now[5]);
+ count = 0;
+ do {
+ ret = rtas_call(token, 0, 8, now);
+ t2 = mktime(now[0], now[1], now[2], now[3], now[4], now[5]);
+ count++;
+ } while (t1 + DELAY > t2 && count < MAX_LOOP);
+ report("running", t1 + DELAY <= t2);
+}
+
+static void check_set_time_of_day(void)
+{
+ int token;
+ int ret;
+ int date[8];
+ unsigned long t1, t2, count;
+
+ token = rtas_token("set-time-of-day");
+ report("token available", token != RTAS_UNKNOWN_SERVICE);
+ if (token == RTAS_UNKNOWN_SERVICE)
+ return;
+
+ /* 23:59:59 28/2/2000 */
+
+ ret = rtas_call(token, 7, 1, NULL, 2000, 2, 28, 23, 59, 59);
+ report("execution", ret == 0);
+
+ /* check it has worked */
+ ret = rtas_call(rtas_token("get-time-of-day"), 0, 8, date);
+ report("re-read", ret == 0);
+ t1 = mktime(2000, 2, 28, 23, 59, 59);
+ t2 = mktime(date[0], date[1], date[2],
+ date[3], date[4], date[5]);
+ report("result", t2 - t1 < 2);
+
+ /* check it is running */
+ count = 0;
+ do {
+ ret = rtas_call(rtas_token("get-time-of-day"), 0, 8, date);
+ t2 = mktime(date[0], date[1], date[2],
+ date[3], date[4], date[5]);
+ count++;
+ } while (t1 + DELAY > t2 && count < MAX_LOOP);
+ report("running", t1 + DELAY <= t2);
+}
+
+int main(int argc, char **argv)
+{
+ int len;
+ long val;
+
+ report_prefix_push("rtas");
+
+ if (!argc)
+ report_abort("no test specified");
+
+ report_prefix_push(argv[0]);
+
+ if (strcmp(argv[0], "get-time-of-day") == 0) {
+
+ len = parse_keyval(argv[1], &val);
+ if (len == -1) {
+ printf("Missing parameter \"date\"\n");
+ abort();
+ }
+ argv[1][len] = '\0';
+
+ check_get_time_of_day(val);
+
+ } else if (strcmp(argv[0], "set-time-of-day") == 0) {
+
+ check_set_time_of_day();
+
+ } else {
+ printf("Unknown subtest\n");
+ abort();
+ }
+
+ report_prefix_pop();
+
+ report_prefix_pop();
+
+ return report_summary();
+}
diff --git a/powerpc/unittests.cfg b/powerpc/unittests.cfg
index d858436..0666922 100644
--- a/powerpc/unittests.cfg
+++ b/powerpc/unittests.cfg
@@ -31,3 +31,15 @@ groups = selftest
[spapr_hcall]
file = spapr_hcall.elf
+
+[rtas-get-time-of-day]
+file = rtas.elf
+timeout = 5
+extra_params = -append "get-time-of-day date=$(date +%s)"
+groups = rtas
+
+[rtas-set-time-of-day]
+file = rtas.elf
+extra_params = -append "set-time-of-day"
+timeout = 5
+groups = rtas
--
2.5.0
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