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acpi: Support generation of a device

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Allow writing an ACPI device to the generated ACPI code.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
[bmeng: Fix build failures on Sandbox]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2020-07-07 21:32:14 -06:00
committed by Bin Meng
parent 70303d2480
commit 91c2f9c32e
3 changed files with 43 additions and 0 deletions
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27
test/dm/acpigen.c
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@@ -993,3 +993,30 @@ static int dm_test_acpi_resource_template(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_acpi_resource_template, 0);
/* Test writing a device */
static int dm_test_acpi_device(struct unit_test_state *uts)
{
struct acpi_ctx *ctx;
u8 *ptr;
ut_assertok(alloc_context(&ctx));
ptr = acpigen_get_current(ctx);
acpigen_write_device(ctx, "\\_SB." ACPI_TEST_DEV_NAME);
acpigen_pop_len(ctx);
ut_asserteq(EXT_OP_PREFIX, *ptr++);
ut_asserteq(DEVICE_OP, *ptr++);
ut_asserteq(0xd, acpi_test_get_length(ptr));
ptr += 3;
ut_asserteq(ROOT_PREFIX, *ptr++);
ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
ptr += 8;
ut_asserteq_ptr(ptr, ctx->current);
free_context(&ctx);
return 0;
}
DM_TEST(dm_test_acpi_device, 0);