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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Tests for ACPI code generation via a device-property table
- *
- * Copyright 2019 Google LLC
- * Written by Simon Glass <sjg@chromium.org>
- */
- #include <common.h>
- #include <dm.h>
- #include <uuid.h>
- #include <acpi/acpigen.h>
- #include <acpi/acpi_dp.h>
- #include <asm/unaligned.h>
- #include <dm/acpi.h>
- #include <dm/test.h>
- #include <test/ut.h>
- #include "acpi.h"
- /* Maximum size of the ACPI context needed for most tests */
- #define ACPI_CONTEXT_SIZE 500
- #define TEST_INT8 0x7d
- #define TEST_INT16 0x2345
- #define TEST_INT32 0x12345678
- #define TEST_INT64 0x4567890123456
- #define TEST_STR "testing acpi strings"
- #define TEST_REF "\\SB.I2C0.TPM2"
- #define EXPECT_REF "SB__I2C0TPM2"
- static int alloc_context(struct acpi_ctx **ctxp)
- {
- return acpi_test_alloc_context_size(ctxp, ACPI_CONTEXT_SIZE);
- return 0;
- }
- static void free_context(struct acpi_ctx **ctxp)
- {
- free(*ctxp);
- *ctxp = NULL;
- }
- /* Test emitting an empty table */
- static int dm_test_acpi_dp_new_table(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(10, acpigen_get_current(ctx) - ptr);
- ut_asserteq(NAME_OP, *(u8 *)ptr);
- ut_asserteq_strn("FRED", (char *)ptr + 1);
- ut_asserteq(PACKAGE_OP, ptr[5]);
- ut_asserteq(4, acpi_test_get_length(ptr + 6));
- ut_asserteq(0, ptr[9]);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_new_table, 0);
- /* Test emitting an integer */
- static int dm_test_acpi_dp_int(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- char uuid[UUID_STR_LEN + 1];
- struct acpi_dp *dp;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT32));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(54, acpigen_get_current(ctx) - ptr);
- ut_asserteq(NAME_OP, *(u8 *)ptr);
- ut_asserteq_strn("FRED", (char *)ptr + 1);
- ut_asserteq(PACKAGE_OP, ptr[5]);
- ut_asserteq(48, acpi_test_get_length(ptr + 6));
- ut_asserteq(2, ptr[9]);
- /* UUID */
- ut_asserteq(BUFFER_OP, ptr[10]);
- ut_asserteq(22, acpi_test_get_length(ptr + 11));
- ut_asserteq(WORD_PREFIX, ptr[14]);
- ut_asserteq(16, get_unaligned((u16 *)(ptr + 15)));
- uuid_bin_to_str(ptr + 17, uuid, 1);
- ut_asserteq_str(ACPI_DP_UUID, uuid);
- /* Container package */
- ut_asserteq(PACKAGE_OP, ptr[33]);
- ut_asserteq(20, acpi_test_get_length(ptr + 34));
- ut_asserteq(1, ptr[37]);
- /* Package with name and (integer) value */
- ut_asserteq(PACKAGE_OP, ptr[38]);
- ut_asserteq(15, acpi_test_get_length(ptr + 39));
- ut_asserteq(2, ptr[42]);
- ut_asserteq(STRING_PREFIX, ptr[43]);
- ut_asserteq_str("MARY", (char *)ptr + 44);
- ut_asserteq(DWORD_PREFIX, ptr[49]);
- ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 50)));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_int, 0);
- /* Test emitting a 64-bit integer */
- static int dm_test_acpi_dp_int64(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT64));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(58, acpigen_get_current(ctx) - ptr);
- ut_asserteq(QWORD_PREFIX, ptr[49]);
- ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 50)));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_int64, 0);
- /* Test emitting a 16-bit integer */
- static int dm_test_acpi_dp_int16(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT16));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(52, acpigen_get_current(ctx) - ptr);
- ut_asserteq(WORD_PREFIX, ptr[49]);
- ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 50)));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_int16, 0);
- /* Test emitting a 8-bit integer */
- static int dm_test_acpi_dp_int8(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT8));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(51, acpigen_get_current(ctx) - ptr);
- ut_asserteq(BYTE_PREFIX, ptr[49]);
- ut_asserteq(TEST_INT8, ptr[50]);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_int8, 0);
- /* Test emitting multiple values */
- static int dm_test_acpi_dp_multiple(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ut_assertnonnull(acpi_dp_add_integer(dp, "int16", TEST_INT16));
- ut_assertnonnull(acpi_dp_add_string(dp, "str", TEST_STR));
- ut_assertnonnull(acpi_dp_add_reference(dp, "ref", TEST_REF));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(110, acpigen_get_current(ctx) - ptr);
- ut_asserteq(WORD_PREFIX, ptr[0x32]);
- ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 0x33)));
- ut_asserteq(STRING_PREFIX, ptr[0x3f]);
- ut_asserteq_str(TEST_STR, (char *)ptr + 0x40);
- ut_asserteq(ROOT_PREFIX, ptr[0x5f]);
- ut_asserteq(MULTI_NAME_PREFIX, ptr[0x60]);
- ut_asserteq(3, ptr[0x61]);
- ut_asserteq_strn(EXPECT_REF, (char *)ptr + 0x62);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_multiple, 0);
- /* Test emitting an array */
- static int dm_test_acpi_dp_array(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp;
- u64 speed[4];
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- speed[0] = TEST_INT8;
- speed[1] = TEST_INT16;
- speed[2] = TEST_INT32;
- speed[3] = TEST_INT64;
- ut_assertnonnull(acpi_dp_add_integer_array(dp, "speeds", speed,
- ARRAY_SIZE(speed)));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(75, acpigen_get_current(ctx) - ptr);
- ut_asserteq(BYTE_PREFIX, ptr[0x38]);
- ut_asserteq(TEST_INT8, ptr[0x39]);
- ut_asserteq(WORD_PREFIX, ptr[0x3a]);
- ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 0x3b)));
- ut_asserteq(DWORD_PREFIX, ptr[0x3d]);
- ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 0x3e)));
- ut_asserteq(QWORD_PREFIX, ptr[0x42]);
- ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 0x43)));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_array, 0);
- /* Test emitting a child */
- static int dm_test_acpi_dp_child(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp, *child1, *child2;
- char uuid[UUID_STR_LEN + 1];
- u8 *ptr, *pptr;
- int i;
- ut_assertok(alloc_context(&ctx));
- child1 = acpi_dp_new_table("child");
- ut_assertnonnull(child1);
- ut_assertnonnull(acpi_dp_add_integer(child1, "height", TEST_INT16));
- child2 = acpi_dp_new_table("child");
- ut_assertnonnull(child2);
- ut_assertnonnull(acpi_dp_add_integer(child2, "age", TEST_INT8));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ut_assertnonnull(acpi_dp_add_child(dp, "anna", child1));
- ut_assertnonnull(acpi_dp_add_child(dp, "john", child2));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(178, acpigen_get_current(ctx) - ptr);
- /* UUID for child extension using Hierarchical Data Extension UUID */
- ut_asserteq(BUFFER_OP, ptr[10]);
- ut_asserteq(22, acpi_test_get_length(ptr + 11));
- ut_asserteq(WORD_PREFIX, ptr[14]);
- ut_asserteq(16, get_unaligned((u16 *)(ptr + 15)));
- uuid_bin_to_str(ptr + 17, uuid, 1);
- ut_asserteq_str(ACPI_DP_CHILD_UUID, uuid);
- /* Package with two children */
- ut_asserteq(PACKAGE_OP, ptr[0x21]);
- ut_asserteq(0x28, acpi_test_get_length(ptr + 0x22));
- ut_asserteq(2, ptr[0x25]);
- /* First we expect the two children as string/value */
- pptr = ptr + 0x26;
- for (i = 0; i < 2; i++) {
- ut_asserteq(PACKAGE_OP, pptr[0]);
- ut_asserteq(0x11, acpi_test_get_length(pptr + 1));
- ut_asserteq(2, pptr[4]);
- ut_asserteq(STRING_PREFIX, pptr[5]);
- ut_asserteq_str(i ? "john" : "anna", (char *)pptr + 6);
- ut_asserteq(STRING_PREFIX, pptr[11]);
- ut_asserteq_str("child", (char *)pptr + 12);
- pptr += 0x12;
- }
- /* Write the two children */
- ut_asserteq(0x4a, pptr - ptr);
- for (i = 0; i < 2; i++) {
- const char *prop = i ? "age" : "height";
- const int datalen = i ? 1 : 2;
- int len = strlen(prop) + 1;
- ut_asserteq(NAME_OP, pptr[0]);
- ut_asserteq_strn("chil", (char *)pptr + 1);
- ut_asserteq(PACKAGE_OP, pptr[5]);
- ut_asserteq(0x27 + len + datalen, acpi_test_get_length(pptr + 6));
- ut_asserteq(2, pptr[9]);
- /* UUID */
- ut_asserteq(BUFFER_OP, pptr[10]);
- ut_asserteq(22, acpi_test_get_length(pptr + 11));
- ut_asserteq(WORD_PREFIX, pptr[14]);
- ut_asserteq(16, get_unaligned((u16 *)(pptr + 15)));
- uuid_bin_to_str(pptr + 17, uuid, 1);
- ut_asserteq_str(ACPI_DP_UUID, uuid);
- pptr += 33;
- /* Containing package */
- ut_asserteq(i ? 0xa1 : 0x6b, pptr - ptr);
- ut_asserteq(PACKAGE_OP, pptr[0]);
- ut_asserteq(0xb + len + datalen, acpi_test_get_length(pptr + 1));
- ut_asserteq(1, pptr[4]);
- /* Package containing the property-name string and the value */
- pptr += 5;
- ut_asserteq(i ? 0xa6 : 0x70, pptr - ptr);
- ut_asserteq(PACKAGE_OP, pptr[0]);
- ut_asserteq(6 + len + datalen, acpi_test_get_length(pptr + 1));
- ut_asserteq(2, pptr[4]);
- ut_asserteq(STRING_PREFIX, pptr[5]);
- ut_asserteq_str(i ? "age" : "height", (char *)pptr + 6);
- pptr += 6 + len;
- if (i) {
- ut_asserteq(BYTE_PREFIX, pptr[0]);
- ut_asserteq(TEST_INT8, pptr[1]);
- } else {
- ut_asserteq(WORD_PREFIX, pptr[0]);
- ut_asserteq(TEST_INT16,
- get_unaligned((u16 *)(pptr + 1)));
- }
- pptr += 1 + datalen;
- }
- ut_asserteq(178, pptr - ptr);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_child, 0);
- /* Test emitting a GPIO */
- static int dm_test_acpi_dp_gpio(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct acpi_dp *dp;
- u8 *ptr, *pptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- /* Try a few different parameters */
- ut_assertnonnull(acpi_dp_add_gpio(dp, "reset", TEST_REF, 0x23, 0x24,
- ACPI_GPIO_ACTIVE_HIGH));
- ut_assertnonnull(acpi_dp_add_gpio(dp, "allow", TEST_REF, 0, 0,
- ACPI_GPIO_ACTIVE_LOW));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(0x6e, acpigen_get_current(ctx) - ptr);
- pptr = ptr + 0x2c; //0x3a;
- ut_asserteq_str("reset", (char *)pptr);
- ut_asserteq_strn(EXPECT_REF, (char *)pptr + 0xe);
- ut_asserteq(0x23, pptr[0x1b]);
- ut_asserteq(0x24, pptr[0x1d]);
- ut_asserteq(ZERO_OP, pptr[0x1e]);
- pptr = ptr + 0x51;
- ut_asserteq_str("allow", (char *)pptr);
- ut_asserteq_strn(EXPECT_REF, (char *)pptr + 0xe);
- ut_asserteq(ZERO_OP, pptr[0x1a]);
- ut_asserteq(ZERO_OP, pptr[0x1b]);
- ut_asserteq(ONE_OP, pptr[0x1c]);
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_gpio, 0);
- /* Test copying info from the device tree to ACPI tables */
- static int dm_test_acpi_dp_copy(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct udevice *dev;
- struct acpi_dp *dp;
- ofnode node;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- dp = acpi_dp_new_table("FRED");
- ut_assertnonnull(dp);
- ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
- ut_asserteq_str("a-test", dev->name);
- ut_assertok(acpi_dp_dev_copy_int(dev, dp, "int-value"));
- ut_asserteq(-EINVAL, acpi_dp_dev_copy_int(dev, dp, "missing-value"));
- ut_assertok(acpi_dp_dev_copy_int(dev, dp, "uint-value"));
- ut_assertok(acpi_dp_dev_copy_str(dev, dp, "str-value"));
- ut_asserteq(-EINVAL, acpi_dp_dev_copy_str(dev, dp, "missing-value"));
- node = ofnode_path("/chosen");
- ut_assert(ofnode_valid(node));
- ut_assertok(acpi_dp_ofnode_copy_int(node, dp, "int-values"));
- ut_asserteq(-EINVAL,
- acpi_dp_ofnode_copy_int(node, dp, "missing-value"));
- ut_assertok(acpi_dp_ofnode_copy_str(node, dp, "setting"));
- ut_asserteq(-EINVAL,
- acpi_dp_ofnode_copy_str(node, dp, "missing-value"));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_dp_write(ctx, dp));
- ut_asserteq(0x9d, acpigen_get_current(ctx) - ptr);
- ut_asserteq(STRING_PREFIX, ptr[0x2b]);
- ut_asserteq_str("int-value", (char *)ptr + 0x2c);
- ut_asserteq(WORD_PREFIX, ptr[0x36]);
- ut_asserteq(1234, get_unaligned((u16 *)(ptr + 0x37)));
- ut_asserteq(STRING_PREFIX, ptr[0x3e]);
- ut_asserteq_str("uint-value", (char *)ptr + 0x3f);
- ut_asserteq(DWORD_PREFIX, ptr[0x4a]);
- ut_asserteq(-1234, get_unaligned((u32 *)(ptr + 0x4b)));
- ut_asserteq(STRING_PREFIX, ptr[0x54]);
- ut_asserteq_str("str-value", (char *)ptr + 0x55);
- ut_asserteq(STRING_PREFIX, ptr[0x5f]);
- ut_asserteq_str("test string", (char *)ptr + 0x60);
- ut_asserteq(STRING_PREFIX, ptr[0x71]);
- ut_asserteq_str("int-values", (char *)ptr + 0x72);
- ut_asserteq(WORD_PREFIX, ptr[0x7d]);
- ut_asserteq(0x1937, get_unaligned((u16 *)(ptr + 0x7e)));
- ut_asserteq(STRING_PREFIX, ptr[0x85]);
- ut_asserteq_str("setting", (char *)ptr + 0x86);
- ut_asserteq(STRING_PREFIX, ptr[0x8e]);
- ut_asserteq_str("sunrise ohoka", (char *)(ptr + 0x8f));
- return 0;
- }
- DM_TEST(dm_test_acpi_dp_copy, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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