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| author | Simon Glass <sjg@chromium.org> | 2020-07-07 13:11:54 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | 7aed90d44c07ff4ea2f05e7a7b167040fe99f64f (patch) | |
| tree | b9cc8fcf5292a4cb42c8558114744a7e63cd2967 /test/dm | |
| parent | 3df33bda5c92a1a8b46b83ac9521fcf48a2fe50f (diff) | |
acpi: Support writing a name
ACPI supports storing names which are made up of multiple path components.
Several special cases are supported. Add a function to emit a name.
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/dm')
| -rw-r--r-- | test/dm/acpigen.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/dm/acpigen.c b/test/dm/acpigen.c index c360f55dd3..adfcf88765 100644 --- a/test/dm/acpigen.c +++ b/test/dm/acpigen.c @@ -505,3 +505,96 @@ static int dm_test_acpi_string(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_acpi_string, 0); + +/* Test writing a name */ +static int dm_test_acpi_name(struct unit_test_state *uts) +{ + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + + /* + * The names here are made up for testing the various cases. The + * grammar is in the ACPI spec 6.3 section 19.2.2 + */ + acpigen_write_name(ctx, "\\_SB"); + acpigen_write_name(ctx, "\\_SB.I2C0"); + acpigen_write_name(ctx, "\\_SB.I2C0.TPM2"); + acpigen_write_name(ctx, "\\_SB.I2C0.TPM2.LONG"); + acpigen_write_name(ctx, "^^^^SPI0.FLAS"); + acpigen_write_name(ctx, "NN"); + acpigen_write_name(ctx, "^AB.CD.D.EFG"); + acpigen_write_name(ctx, "^^^^"); + acpigen_write_name(ctx, "\\"); + acpigen_write_name(ctx, "\\ABCD"); + + ut_asserteq(107, acpigen_get_current(ctx) - ptr); + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq_strn("\\_SB_", (char *)ptr + 1); + ptr += 6; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq('\\', ptr[1]); + ut_asserteq(DUAL_NAME_PREFIX, ptr[2]); + ut_asserteq_strn("_SB_I2C0", (char *)ptr + 3); + ptr += 11; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq('\\', ptr[1]); + ut_asserteq(MULTI_NAME_PREFIX, ptr[2]); + ut_asserteq(3, ptr[3]); + ut_asserteq_strn("_SB_I2C0TPM2", (char *)ptr + 4); + ptr += 16; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq('\\', ptr[1]); + ut_asserteq(MULTI_NAME_PREFIX, ptr[2]); + ut_asserteq(4, ptr[3]); + ut_asserteq_strn("_SB_I2C0TPM2LONG", (char *)ptr + 4); + ptr += 20; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq('^', ptr[1]); + ut_asserteq('^', ptr[2]); + ut_asserteq('^', ptr[3]); + ut_asserteq('^', ptr[4]); + ut_asserteq(DUAL_NAME_PREFIX, ptr[5]); + ut_asserteq_strn("SPI0FLAS", (char *)ptr + 6); + ptr += 14; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq_strn("NN__", (char *)ptr + 1); + ptr += 5; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq('^', ptr[1]); + ut_asserteq(MULTI_NAME_PREFIX, ptr[2]); + ut_asserteq(4, ptr[3]); + ut_asserteq_strn("AB__CD__D___EFG_", (char *)ptr + 4); + ptr += 20; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq('^', ptr[1]); + ut_asserteq('^', ptr[2]); + ut_asserteq('^', ptr[3]); + ut_asserteq('^', ptr[4]); + ut_asserteq(ZERO_OP, ptr[5]); + ptr += 6; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq('\\', ptr[1]); + ut_asserteq(ZERO_OP, ptr[2]); + ptr += 3; + + ut_asserteq(NAME_OP, ptr[0]); + ut_asserteq_strn("\\ABCD", (char *)ptr + 1); + ptr += 5; + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_name, 0); |