diff options
| -rw-r--r-- | tests/Makefile.include | 2 | ||||
| -rw-r--r-- | tests/pnv-xscom-test.c | 140 |
2 files changed, 142 insertions, 0 deletions
diff --git a/tests/Makefile.include b/tests/Makefile.include index de516341fd..e98d3b6bb3 100644 --- a/tests/Makefile.include +++ b/tests/Makefile.include @@ -270,6 +270,7 @@ gcov-files-ppc64-y = ppc64-softmmu/hw/ppc/spapr_pci.c check-qtest-ppc64-y += tests/endianness-test$(EXESUF) check-qtest-ppc64-y += tests/boot-order-test$(EXESUF) check-qtest-ppc64-y += tests/prom-env-test$(EXESUF) +check-qtest-ppc64-y += tests/pnv-xscom-test$(EXESUF) check-qtest-ppc64-y += tests/drive_del-test$(EXESUF) check-qtest-ppc64-y += tests/postcopy-test$(EXESUF) check-qtest-ppc64-y += tests/boot-serial-test$(EXESUF) @@ -644,6 +645,7 @@ tests/e1000-test$(EXESUF): tests/e1000-test.o tests/e1000e-test$(EXESUF): tests/e1000e-test.o $(libqos-pc-obj-y) tests/rtl8139-test$(EXESUF): tests/rtl8139-test.o $(libqos-pc-obj-y) tests/pcnet-test$(EXESUF): tests/pcnet-test.o +tests/pnv-xscom-test$(EXESUF): tests/pnv-xscom-test.o tests/eepro100-test$(EXESUF): tests/eepro100-test.o tests/vmxnet3-test$(EXESUF): tests/vmxnet3-test.o tests/ne2000-test$(EXESUF): tests/ne2000-test.o diff --git a/tests/pnv-xscom-test.c b/tests/pnv-xscom-test.c new file mode 100644 index 0000000000..5951da16cd --- /dev/null +++ b/tests/pnv-xscom-test.c @@ -0,0 +1,140 @@ +/* + * QTest testcase for PowerNV XSCOM bus + * + * Copyright (c) 2016, IBM Corporation. + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * later. See the COPYING file in the top-level directory. + */ +#include "qemu/osdep.h" + +#include "libqtest.h" + +typedef enum PnvChipType { + PNV_CHIP_POWER8E, /* AKA Murano (default) */ + PNV_CHIP_POWER8, /* AKA Venice */ + PNV_CHIP_POWER8NVL, /* AKA Naples */ + PNV_CHIP_POWER9, /* AKA Nimbus */ +} PnvChipType; + +typedef struct PnvChip { + PnvChipType chip_type; + const char *cpu_model; + uint64_t xscom_base; + uint64_t xscom_core_base; + uint64_t cfam_id; + uint32_t first_core; +} PnvChip; + +static const PnvChip pnv_chips[] = { + { + .chip_type = PNV_CHIP_POWER8, + .cpu_model = "POWER8", + .xscom_base = 0x0003fc0000000000ull, + .xscom_core_base = 0x10000000ull, + .cfam_id = 0x220ea04980000000ull, + .first_core = 0x1, + }, { + .chip_type = PNV_CHIP_POWER8NVL, + .cpu_model = "POWER8NVL", + .xscom_base = 0x0003fc0000000000ull, + .xscom_core_base = 0x10000000ull, + .cfam_id = 0x120d304980000000ull, + .first_core = 0x1, + }, { + .chip_type = PNV_CHIP_POWER9, + .cpu_model = "POWER9", + .xscom_base = 0x000603fc00000000ull, + .xscom_core_base = 0x0ull, + .cfam_id = 0x100d104980000000ull, + .first_core = 0x20, + }, +}; + +static uint64_t pnv_xscom_addr(const PnvChip *chip, uint32_t pcba) +{ + uint64_t addr = chip->xscom_base; + + if (chip->chip_type == PNV_CHIP_POWER9) { + addr |= ((uint64_t) pcba << 3); + } else { + addr |= (((uint64_t) pcba << 4) & ~0xffull) | + (((uint64_t) pcba << 3) & 0x78); + } + return addr; +} + +static uint64_t pnv_xscom_read(const PnvChip *chip, uint32_t pcba) +{ + return readq(pnv_xscom_addr(chip, pcba)); +} + +static void test_xscom_cfam_id(const PnvChip *chip) +{ + uint64_t f000f = pnv_xscom_read(chip, 0xf000f); + + g_assert_cmphex(f000f, ==, chip->cfam_id); +} + +static void test_cfam_id(const void *data) +{ + char *args; + const PnvChip *chip = data; + + args = g_strdup_printf("-M powernv,accel=tcg -cpu %s", chip->cpu_model); + + qtest_start(args); + test_xscom_cfam_id(chip); + qtest_quit(global_qtest); + + g_free(args); +} + +#define PNV_XSCOM_EX_CORE_BASE(chip, i) \ + ((chip)->xscom_core_base | (((uint64_t)i) << 24)) +#define PNV_XSCOM_EX_DTS_RESULT0 0x50000 + +static void test_xscom_core(const PnvChip *chip) +{ + uint32_t first_core_dts0 = + PNV_XSCOM_EX_CORE_BASE(chip, chip->first_core) | + PNV_XSCOM_EX_DTS_RESULT0; + uint64_t dts0 = pnv_xscom_read(chip, first_core_dts0); + + g_assert_cmphex(dts0, ==, 0x26f024f023f0000ull); +} + +static void test_core(const void *data) +{ + char *args; + const PnvChip *chip = data; + + args = g_strdup_printf("-M powernv,accel=tcg -cpu %s", chip->cpu_model); + + qtest_start(args); + test_xscom_core(chip); + qtest_quit(global_qtest); + + g_free(args); +} + +static void add_test(const char *name, void (*test)(const void *data)) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pnv_chips); i++) { + char *tname = g_strdup_printf("pnv-xscom/%s/%s", name, + pnv_chips[i].cpu_model); + qtest_add_data_func(tname, &pnv_chips[i], test); + g_free(tname); + } +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + + add_test("cfam_id", test_cfam_id); + add_test("core", test_core); + return g_test_run(); +} |