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acpi: Support string output

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Add support for output of strings and streams of bytes.

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>
This commit is contained in:
Simon Glass
2020-07-07 13:11:45 -06:00
committed by Bin Meng
parent 2912686c08
commit 7fb8da4ce1
3 changed files with 75 additions and 0 deletions
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42
test/dm/acpigen.c
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@@ -20,6 +20,9 @@
/* Maximum size of the ACPI context needed for most tests */
#define ACPI_CONTEXT_SIZE 150
#define TEST_STRING "frogmore"
#define TEST_STREAM2 "\xfa\xde"
static int alloc_context(struct acpi_ctx **ctxp)
{
struct acpi_ctx *ctx;
@@ -73,6 +76,45 @@ static int dm_test_acpi_emit_simple(struct unit_test_state *uts)
}
DM_TEST(dm_test_acpi_emit_simple, 0);
/* Test emitting a stream */
static int dm_test_acpi_emit_stream(struct unit_test_state *uts)
{
struct acpi_ctx *ctx;
u8 *ptr;
ut_assertok(alloc_context(&ctx));
ptr = acpigen_get_current(ctx);
acpigen_emit_stream(ctx, TEST_STREAM2, 2);
ut_asserteq(2, acpigen_get_current(ctx) - ptr);
ut_asserteq((u8)TEST_STREAM2[0], ptr[0]);
ut_asserteq((u8)TEST_STREAM2[1], ptr[1]);
free_context(&ctx);
return 0;
}
DM_TEST(dm_test_acpi_emit_stream, 0);
/* Test emitting a string */
static int dm_test_acpi_emit_string(struct unit_test_state *uts)
{
struct acpi_ctx *ctx;
u8 *ptr;
ut_assertok(alloc_context(&ctx));
ptr = acpigen_get_current(ctx);
acpigen_emit_string(ctx, TEST_STRING);
ut_asserteq(sizeof(TEST_STRING), acpigen_get_current(ctx) - ptr);
ut_asserteq_str(TEST_STRING, (char *)ptr);
free_context(&ctx);
return 0;
}
DM_TEST(dm_test_acpi_emit_string, 0);
/* Test emitting an interrupt descriptor */
static int dm_test_acpi_interrupt(struct unit_test_state *uts)
{