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| author | Simon Glass <sjg@chromium.org> | 2020-07-07 13:12:03 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | b5183172f031603c5d861c34389f88a3c493cfd7 (patch) | |
| tree | bfb50e7104eaf813cb457d757d5658346f52f4e0 /test | |
| parent | 740630ba73768667a2f87326f2a237d373a5093d (diff) | |
| download | u-boot-b5183172f031603c5d861c34389f88a3c493cfd7.zip u-boot-b5183172f031603c5d861c34389f88a3c493cfd7.tar.gz u-boot-b5183172f031603c5d861c34389f88a3c493cfd7.tar.bz2 | |
acpi: Add support for SSDT generation
Some devices need to generate code for the Secondary System Descriptor
Table (SSDT). Add a method to handle this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'test')
| -rw-r--r-- | test/dm/acpi.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/dm/acpi.c b/test/dm/acpi.c index 07b0daa..d46d1fb 100644 --- a/test/dm/acpi.c +++ b/test/dm/acpi.c @@ -14,6 +14,7 @@ #include <version.h> #include <tables_csum.h> #include <version.h> +#include <acpi/acpigen.h> #include <acpi/acpi_device.h> #include <acpi/acpi_table.h> #include <dm/acpi.h> @@ -67,9 +68,23 @@ static int testacpi_get_name(const struct udevice *dev, char *out_name) return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME); } +static int testacpi_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx) +{ + const char *data; + + data = dev_read_string(dev, "acpi-ssdt-test-data"); + if (data) { + while (*data) + acpigen_emit_byte(ctx, *data++); + } + + return 0; +} + struct acpi_ops testacpi_ops = { .get_name = testacpi_get_name, .write_tables = testacpi_write_tables, + .fill_ssdt = testacpi_fill_ssdt, }; static const struct udevice_id testacpi_ids[] = { @@ -396,3 +411,30 @@ static int dm_test_acpi_device_status(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_acpi_device_status, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test acpi_fill_ssdt() */ +static int dm_test_acpi_fill_ssdt(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + u8 *buf; + + buf = malloc(BUF_SIZE); + ut_assertnonnull(buf); + + ctx.current = buf; + buf[4] = 'z'; /* sentinel */ + ut_assertok(acpi_fill_ssdt(&ctx)); + + /* These values come from acpi-test's acpi-ssdt-test-data property */ + ut_asserteq('a', buf[0]); + ut_asserteq('b', buf[1]); + + /* These values come from acpi-test2's acpi-ssdt-test-data property */ + ut_asserteq('c', buf[2]); + ut_asserteq('d', buf[3]); + + ut_asserteq('z', buf[4]); + + return 0; +} +DM_TEST(dm_test_acpi_fill_ssdt, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |