acpi: Support writing an integer
ACPI supports storing integers in various ways. Add a function 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>
diff --git a/test/dm/acpigen.c b/test/dm/acpigen.c
index aaffc6a..187001d 100644
--- a/test/dm/acpigen.c
+++ b/test/dm/acpigen.c
@@ -25,6 +25,11 @@
#define TEST_STRING "frogmore"
#define TEST_STREAM2 "\xfa\xde"
+#define TEST_INT8 0x7d
+#define TEST_INT16 0x2345
+#define TEST_INT32 0x12345678
+#define TEST_INT64 0x4567890123456
+
static int alloc_context_size(struct acpi_ctx **ctxp, int size)
{
struct acpi_ctx *ctx;
@@ -431,3 +436,44 @@
return 0;
}
DM_TEST(dm_test_acpi_package, 0);
+
+/* Test writing an integer */
+static int dm_test_acpi_integer(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_integer(ctx, 0);
+ acpigen_write_integer(ctx, 1);
+ acpigen_write_integer(ctx, TEST_INT8);
+ acpigen_write_integer(ctx, TEST_INT16);
+ acpigen_write_integer(ctx, TEST_INT32);
+ acpigen_write_integer(ctx, TEST_INT64);
+
+ ut_asserteq(6 + 1 + 2 + 4 + 8, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(ZERO_OP, ptr[0]);
+
+ ut_asserteq(ONE_OP, ptr[1]);
+
+ ut_asserteq(BYTE_PREFIX, ptr[2]);
+ ut_asserteq(TEST_INT8, ptr[3]);
+
+ ut_asserteq(WORD_PREFIX, ptr[4]);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 5)));
+
+ ut_asserteq(DWORD_PREFIX, ptr[7]);
+ ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 8)));
+
+ ut_asserteq(QWORD_PREFIX, ptr[12]);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 13)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_integer, 0);