At present only acpigen_write_integer() is exported for use by other code.
But in some cases it is useful to call the specific function depending on
the size of the value.
Export these functions and add a test.
Signed-off-by: Simon Glass
Reviewed-by: Wolfgang Wallner
---
(no changes since v1)
include/acpi/acpigen.h | 46 ++
test/dm/acpigen.c | 45 -
2 files changed, 90 insertions(+), 1 deletion(-)
diff --git a/include/acpi/acpigen.h b/include/acpi/acpigen.h
index d06d2c0c73..c6644bc2b2 100644
--- a/include/acpi/acpigen.h
+++ b/include/acpi/acpigen.h
@@ -172,6 +172,52 @@ void acpigen_pop_len(struct acpi_ctx *ctx);
*/
char *acpigen_write_package(struct acpi_ctx *ctx, int nr_el);
+/**
+ * acpigen_write_byte() - Write a byte
+ *
+ * @ctx: ACPI context pointer
+ * @data: Value to write
+ */
+void acpigen_write_byte(struct acpi_ctx *ctx, unsigned int data);
+
+/**
+ * acpigen_write_word() - Write a word
+ *
+ * @ctx: ACPI context pointer
+ * @data: Value to write
+ */
+void acpigen_write_word(struct acpi_ctx *ctx, unsigned int data);
+
+/**
+ * acpigen_write_dword() - Write a dword
+ *
+ * @ctx: ACPI context pointer
+ * @data: Value to write
+ */
+void acpigen_write_dword(struct acpi_ctx *ctx, unsigned int data);
+
+/**
+ * acpigen_write_qword() - Write a qword
+ *
+ * @ctx: ACPI context pointer
+ * @data: Value to write
+ */
+void acpigen_write_qword(struct acpi_ctx *ctx, u64 data);
+
+/**
+ * acpigen_write_zero() - Write zero
+ *
+ * @ctx: ACPI context pointer
+ */
+void acpigen_write_zero(struct acpi_ctx *ctx);
+
+/**
+ * acpigen_write_one() - Write one
+ *
+ * @ctx: ACPI context pointer
+ */
+void acpigen_write_one(struct acpi_ctx *ctx);
+
/**
* acpigen_write_integer() - Write an integer
*
diff --git a/test/dm/acpigen.c b/test/dm/acpigen.c
index 9e7a928b24..167a014553 100644
--- a/test/dm/acpigen.c
+++ b/test/dm/acpigen.c
@@ -872,5 +872,48 @@ static int dm_test_acpi_power_seq(struct unit_test_state
*uts)
return 0;
}
-
DM_TEST(dm_test_acpi_power_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test writing values */
+static int dm_test_acpi_write_values(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context());
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_zero(ctx);
+ acpigen_write_one(ctx);
+ acpigen_write_byte(ctx, TEST_INT8);
+ acpigen_write_word(ctx, TEST_INT16);
+ acpigen_write_dword(ctx, TEST_INT32);
+ acpigen_write_qword(ctx, TEST_INT64);
+
+ ut_asserteq(ZERO_OP, *ptr++);
+
+ ut_asserteq(ONE_OP, *ptr++);
+
+ ut_asserteq(BYTE_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT8, *ptr++);
+
+ ut_asserteq(WORD_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
+ ptr += 2;
+
+ ut_asserteq(DWORD_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
+ ptr += 4;
+
+ ut_asserteq(QWORD_PREFIX, *ptr++);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
+ ptr += 8;
+
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context();
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_write_values, 0);
+
--
2.27.0.383.g050319c2ae-goog
