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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Tests for ACPI code generation
- *
- * Copyright 2019 Google LLC
- * Written by Simon Glass <sjg@chromium.org>
- */
- #include <common.h>
- #include <dm.h>
- #include <irq.h>
- #include <malloc.h>
- #include <acpi/acpigen.h>
- #include <acpi/acpi_device.h>
- #include <acpi/acpi_table.h>
- #include <asm/gpio.h>
- #include <asm/unaligned.h>
- #include <dm/acpi.h>
- #include <dm/test.h>
- #include <dm/uclass-internal.h>
- #include <test/ut.h>
- #include "acpi.h"
- /* Maximum size of the ACPI context needed for most tests */
- #define ACPI_CONTEXT_SIZE 150
- #define TEST_STRING "frogmore"
- #define TEST_STRING2 "ranch"
- #define TEST_STREAM2 "\xfa\xde"
- #define TEST_INT8 0x7d
- #define TEST_INT16 0x2345
- #define TEST_INT32 0x12345678
- #define TEST_INT64 0x4567890123456
- int acpi_test_alloc_context_size(struct acpi_ctx **ctxp, int size)
- {
- struct acpi_ctx *ctx;
- *ctxp = NULL;
- ctx = malloc(sizeof(*ctx));
- if (!ctx)
- return -ENOMEM;
- ctx->base = malloc(size);
- if (!ctx->base) {
- free(ctx);
- return -ENOMEM;
- }
- ctx->ltop = 0;
- ctx->current = ctx->base;
- *ctxp = ctx;
- return 0;
- }
- int acpi_test_get_length(u8 *ptr)
- {
- if (!(*ptr & 0x80))
- return -EINVAL;
- return (*ptr & 0xf) | ptr[1] << 4 | ptr[2] << 12;
- }
- static int alloc_context(struct acpi_ctx **ctxp)
- {
- return acpi_test_alloc_context_size(ctxp, ACPI_CONTEXT_SIZE);
- }
- static void free_context(struct acpi_ctx **ctxp)
- {
- free((*ctxp)->base);
- free(*ctxp);
- *ctxp = NULL;
- }
- /* Test emitting simple types and acpigen_get_current() */
- static int dm_test_acpi_emit_simple(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- acpigen_emit_byte(ctx, 0x23);
- ut_asserteq(1, acpigen_get_current(ctx) - ptr);
- ut_asserteq(0x23, *(u8 *)ptr);
- acpigen_emit_word(ctx, 0x1234);
- ut_asserteq(3, acpigen_get_current(ctx) - ptr);
- ut_asserteq(0x1234, get_unaligned((u16 *)(ptr + 1)));
- acpigen_emit_dword(ctx, 0x87654321);
- ut_asserteq(7, acpigen_get_current(ctx) - ptr);
- ut_asserteq(0x87654321, get_unaligned((u32 *)(ptr + 3)));
- free_context(&ctx);
- return 0;
- }
- 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)
- {
- struct acpi_ctx *ctx;
- struct udevice *dev;
- struct irq irq;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
- ut_assertok(irq_get_by_index(dev, 0, &irq));
- /* See a-test, property interrupts-extended in the device tree */
- ut_asserteq(3, acpi_device_write_interrupt_irq(ctx, &irq));
- ut_asserteq(9, acpigen_get_current(ctx) - ptr);
- ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
- ut_asserteq(6, get_unaligned((u16 *)(ptr + 1)));
- ut_asserteq(0x19, ptr[3]);
- ut_asserteq(1, ptr[4]);
- ut_asserteq(3, get_unaligned((u32 *)(ptr + 5)));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_interrupt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test emitting a GPIO descriptor */
- static int dm_test_acpi_gpio(struct unit_test_state *uts)
- {
- struct gpio_desc desc;
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
- ut_asserteq_str("a-test", dev->name);
- ut_assertok(gpio_request_by_name(dev, "test-gpios", 1, &desc, 0));
- /* This should write GPIO pin 4 (see device tree test.dts ) */
- ut_asserteq(4, acpi_device_write_gpio_desc(ctx, &desc));
- ut_asserteq(35, acpigen_get_current(ctx) - ptr);
- ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
- ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
- ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
- ut_asserteq(ACPI_GPIO_TYPE_IO, ptr[4]);
- ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
- ut_asserteq(9, get_unaligned((u16 *)(ptr + 7)));
- ut_asserteq(ACPI_GPIO_PULL_UP, ptr[9]);
- ut_asserteq(1234, get_unaligned((u16 *)(ptr + 10)));
- ut_asserteq(0, get_unaligned((u16 *)(ptr + 12)));
- ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
- ut_asserteq(0, ptr[16]);
- ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
- ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
- ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
- /* pin0 */
- ut_asserteq(4, get_unaligned((u16 *)(ptr + 23)));
- ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test emitting a GPIO descriptor with an interrupt */
- static int dm_test_acpi_gpio_irq(struct unit_test_state *uts)
- {
- struct gpio_desc desc;
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
- ut_asserteq_str("a-test", dev->name);
- ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
- /* This should write GPIO pin 6 (see device tree test.dts ) */
- ut_asserteq(6, acpi_device_write_gpio_desc(ctx, &desc));
- ut_asserteq(35, acpigen_get_current(ctx) - ptr);
- ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
- ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
- ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
- ut_asserteq(ACPI_GPIO_TYPE_INTERRUPT, ptr[4]);
- ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
- ut_asserteq(29, get_unaligned((u16 *)(ptr + 7)));
- ut_asserteq(ACPI_GPIO_PULL_DOWN, ptr[9]);
- ut_asserteq(0, get_unaligned((u16 *)(ptr + 10)));
- ut_asserteq(4321, get_unaligned((u16 *)(ptr + 12)));
- ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
- ut_asserteq(0, ptr[16]);
- ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
- ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
- ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
- /* pin0 */
- ut_asserteq(6, get_unaligned((u16 *)(ptr + 23)));
- ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_gpio_irq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test emitting either a GPIO or interrupt descriptor */
- static int dm_test_acpi_interrupt_or_gpio(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- /* This should produce an interrupt, even though it also has a GPIO */
- ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
- ut_asserteq_str("a-test", dev->name);
- ut_asserteq(3, acpi_device_write_interrupt_or_gpio(ctx, dev,
- "test2-gpios"));
- ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
- /* This has no interrupt so should produce a GPIO */
- ptr = ctx->current;
- ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &dev));
- ut_asserteq(1, acpi_device_write_interrupt_or_gpio(ctx, dev,
- "enable-gpios"));
- ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
- /* This one has neither */
- ptr = acpigen_get_current(ctx);
- ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
- ut_asserteq_str("b-test", dev->name);
- ut_asserteq(-ENOENT,
- acpi_device_write_interrupt_or_gpio(ctx, dev,
- "enable-gpios"));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_interrupt_or_gpio,
- UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test emitting an I2C descriptor */
- static int dm_test_acpi_i2c(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
- ut_asserteq(0x43, acpi_device_write_i2c_dev(ctx, dev));
- ut_asserteq(28, acpigen_get_current(ctx) - ptr);
- ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
- ut_asserteq(25, get_unaligned((u16 *)(ptr + 1)));
- ut_asserteq(ACPI_I2C_SERIAL_BUS_REVISION_ID, ptr[3]);
- ut_asserteq(0, ptr[4]);
- ut_asserteq(ACPI_SERIAL_BUS_TYPE_I2C, ptr[5]);
- ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
- ut_asserteq(ACPI_I2C_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
- ut_asserteq(6, get_unaligned((u16 *)(ptr + 10)));
- ut_asserteq(100000, get_unaligned((u32 *)(ptr + 12)));
- ut_asserteq(0x43, get_unaligned((u16 *)(ptr + 16)));
- ut_asserteq_str("\\_SB.I2C0", (char *)ptr + 18);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_i2c, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test emitting a SPI descriptor */
- static int dm_test_acpi_spi(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- ut_assertok(uclass_first_device_err(UCLASS_SPI_FLASH, &dev));
- ut_assertok(acpi_device_write_spi_dev(ctx, dev));
- ut_asserteq(31, acpigen_get_current(ctx) - ptr);
- ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
- ut_asserteq(28, get_unaligned((u16 *)(ptr + 1)));
- ut_asserteq(ACPI_SPI_SERIAL_BUS_REVISION_ID, ptr[3]);
- ut_asserteq(0, ptr[4]);
- ut_asserteq(ACPI_SERIAL_BUS_TYPE_SPI, ptr[5]);
- ut_asserteq(2, ptr[6]);
- ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
- ut_asserteq(ACPI_SPI_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
- ut_asserteq(9, get_unaligned((u16 *)(ptr + 10)));
- ut_asserteq(40000000, get_unaligned((u32 *)(ptr + 12)));
- ut_asserteq(8, ptr[16]);
- ut_asserteq(0, ptr[17]);
- ut_asserteq(0, ptr[18]);
- ut_asserteq(0, get_unaligned((u16 *)(ptr + 19)));
- ut_asserteq_str("\\_SB.SPI0", (char *)ptr + 21);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_spi, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test emitting a length */
- static int dm_test_acpi_len(struct unit_test_state *uts)
- {
- const int size = 0xc0000;
- struct acpi_ctx *ctx;
- u8 *ptr;
- int i;
- ut_assertok(acpi_test_alloc_context_size(&ctx, size));
- ptr = acpigen_get_current(ctx);
- /* Write a byte and a 3-byte length */
- acpigen_write_len_f(ctx);
- acpigen_emit_byte(ctx, 0x23);
- acpigen_pop_len(ctx);
- ut_asserteq(1 + 3, acpi_test_get_length(ptr));
- /* Write 200 bytes so we need two length bytes */
- ptr = ctx->current;
- acpigen_write_len_f(ctx);
- for (i = 0; i < 200; i++)
- acpigen_emit_byte(ctx, 0x23);
- acpigen_pop_len(ctx);
- ut_asserteq(200 + 3, acpi_test_get_length(ptr));
- /* Write 40KB so we need three length bytes */
- ptr = ctx->current;
- acpigen_write_len_f(ctx);
- for (i = 0; i < 40000; i++)
- acpigen_emit_byte(ctx, 0x23);
- acpigen_pop_len(ctx);
- ut_asserteq(40000 + 3, acpi_test_get_length(ptr));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_len, 0);
- /* Test writing a package */
- static int dm_test_acpi_package(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- char *num_elements;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- num_elements = acpigen_write_package(ctx, 3);
- ut_asserteq_ptr(num_elements, ptr + 4);
- /* For ease of testing, just emit a byte, not valid package contents */
- acpigen_emit_byte(ctx, 0x23);
- acpigen_pop_len(ctx);
- ut_asserteq(PACKAGE_OP, ptr[0]);
- ut_asserteq(5, acpi_test_get_length(ptr + 1));
- ut_asserteq(3, ptr[4]);
- free_context(&ctx);
- 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);
- /* Test writing a string */
- static int dm_test_acpi_string(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- acpigen_write_string(ctx, TEST_STRING);
- acpigen_write_string(ctx, TEST_STRING2);
- ut_asserteq(2 + sizeof(TEST_STRING) + sizeof(TEST_STRING2),
- acpigen_get_current(ctx) - ptr);
- ut_asserteq(STRING_PREFIX, ptr[0]);
- ut_asserteq_str(TEST_STRING, (char *)ptr + 1);
- ptr += 1 + sizeof(TEST_STRING);
- ut_asserteq(STRING_PREFIX, ptr[0]);
- ut_asserteq_str(TEST_STRING2, (char *)ptr + 1);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_string, 0);
- /* Test writing a name */
- static int dm_test_acpi_name(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- /*
- * The names here are made up for testing the various cases. The
- * grammar is in the ACPI spec 6.3 section 19.2.2
- */
- acpigen_write_name(ctx, "\\_SB");
- acpigen_write_name(ctx, "\\_SB.I2C0");
- acpigen_write_name(ctx, "\\_SB.I2C0.TPM2");
- acpigen_write_name(ctx, "\\_SB.I2C0.TPM2.LONG");
- acpigen_write_name(ctx, "^^^^SPI0.FLAS");
- acpigen_write_name(ctx, "NN");
- acpigen_write_name(ctx, "^AB.CD.D.EFG");
- acpigen_write_name(ctx, "^^^^");
- acpigen_write_name(ctx, "\\");
- acpigen_write_name(ctx, "\\ABCD");
- ut_asserteq(107, acpigen_get_current(ctx) - ptr);
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq_strn("\\_SB_", (char *)ptr + 1);
- ptr += 6;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq('\\', ptr[1]);
- ut_asserteq(DUAL_NAME_PREFIX, ptr[2]);
- ut_asserteq_strn("_SB_I2C0", (char *)ptr + 3);
- ptr += 11;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq('\\', ptr[1]);
- ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
- ut_asserteq(3, ptr[3]);
- ut_asserteq_strn("_SB_I2C0TPM2", (char *)ptr + 4);
- ptr += 16;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq('\\', ptr[1]);
- ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
- ut_asserteq(4, ptr[3]);
- ut_asserteq_strn("_SB_I2C0TPM2LONG", (char *)ptr + 4);
- ptr += 20;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq('^', ptr[1]);
- ut_asserteq('^', ptr[2]);
- ut_asserteq('^', ptr[3]);
- ut_asserteq('^', ptr[4]);
- ut_asserteq(DUAL_NAME_PREFIX, ptr[5]);
- ut_asserteq_strn("SPI0FLAS", (char *)ptr + 6);
- ptr += 14;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq_strn("NN__", (char *)ptr + 1);
- ptr += 5;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq('^', ptr[1]);
- ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
- ut_asserteq(4, ptr[3]);
- ut_asserteq_strn("AB__CD__D___EFG_", (char *)ptr + 4);
- ptr += 20;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq('^', ptr[1]);
- ut_asserteq('^', ptr[2]);
- ut_asserteq('^', ptr[3]);
- ut_asserteq('^', ptr[4]);
- ut_asserteq(ZERO_OP, ptr[5]);
- ptr += 6;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq('\\', ptr[1]);
- ut_asserteq(ZERO_OP, ptr[2]);
- ptr += 3;
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq_strn("\\ABCD", (char *)ptr + 1);
- ptr += 5;
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_name, 0);
- /* Test writing a UUID */
- static int dm_test_acpi_uuid(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpigen_write_uuid(ctx,
- "dbb8e3e6-5886-4ba6-8795-1319f52a966b"));
- ut_asserteq(23, acpigen_get_current(ctx) - ptr);
- ut_asserteq(BUFFER_OP, ptr[0]);
- ut_asserteq(22, acpi_test_get_length(ptr + 1));
- ut_asserteq(0xdbb8e3e6, get_unaligned((u32 *)(ptr + 7)));
- ut_asserteq(0x5886, get_unaligned((u16 *)(ptr + 11)));
- ut_asserteq(0x4ba6, get_unaligned((u16 *)(ptr + 13)));
- ut_asserteq(0x9587, get_unaligned((u16 *)(ptr + 15)));
- ut_asserteq(0x2af51913, get_unaligned((u32 *)(ptr + 17)));
- ut_asserteq(0x6b96, get_unaligned((u16 *)(ptr + 21)));
- /* Try a bad UUID */
- ut_asserteq(-EINVAL,
- acpigen_write_uuid(ctx,
- "dbb8e3e6-5886-4ba6x8795-1319f52a966b"));
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_uuid, 0);
- /* Test writing misc ACPI codes */
- static int dm_test_acpi_misc(struct unit_test_state *uts)
- {
- struct acpi_ctx *ctx;
- const int flags = 3;
- const int nargs = 4;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- acpigen_write_sleep(ctx, TEST_INT64);
- ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 3)));
- ptr += 11;
- acpigen_write_store(ctx);
- ut_asserteq(STORE_OP, *ptr);
- ptr++;
- acpigen_write_debug_string(ctx, TEST_STRING);
- ut_asserteq_str(TEST_STRING, (char *)ptr + 2);
- ptr += 2 + sizeof(TEST_STRING);
- ut_asserteq(EXT_OP_PREFIX, ptr[0]);
- ut_asserteq(DEBUG_OP, ptr[1]);
- ptr += 2;
- acpigen_write_sta(ctx, flags);
- ut_asserteq(METHOD_OP, ptr[0]);
- ut_asserteq(11, acpi_test_get_length(ptr + 1));
- ut_asserteq_strn("_STA", (char *)ptr + 4);
- ut_asserteq(0, ptr[8]);
- ut_asserteq(RETURN_OP, ptr[9]);
- ut_asserteq(BYTE_PREFIX, ptr[10]);
- ut_asserteq(flags, ptr[11]);
- ptr += 12;
- acpigen_write_sleep(ctx, TEST_INT16);
- ut_asserteq(SLEEP_OP, ptr[1]);
- ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 3)));
- ptr += 5;
- acpigen_write_method_serialized(ctx, "FRED", nargs);
- ut_asserteq(METHOD_OP, ptr[0]);
- ut_asserteq_strn("FRED", (char *)ptr + 4);
- ut_asserteq(1 << 3 | nargs, ptr[8]);
- ut_asserteq(1, ctx->ltop); /* method is unfinished */
- ptr += 9;
- acpigen_write_or(ctx, LOCAL0_OP, LOCAL1_OP, LOCAL2_OP);
- acpigen_write_and(ctx, LOCAL3_OP, LOCAL4_OP, LOCAL5_OP);
- acpigen_write_not(ctx, LOCAL6_OP, LOCAL7_OP);
- ut_asserteq(OR_OP, ptr[0]);
- ut_asserteq(LOCAL0_OP, ptr[1]);
- ut_asserteq(LOCAL1_OP, ptr[2]);
- ut_asserteq(LOCAL2_OP, ptr[3]);
- ptr += 4;
- ut_asserteq(AND_OP, ptr[0]);
- ut_asserteq(LOCAL3_OP, ptr[1]);
- ut_asserteq(LOCAL4_OP, ptr[2]);
- ut_asserteq(LOCAL5_OP, ptr[3]);
- ptr += 4;
- ut_asserteq(NOT_OP, ptr[0]);
- ut_asserteq(LOCAL6_OP, ptr[1]);
- ut_asserteq(LOCAL7_OP, ptr[2]);
- ptr += 3;
- ut_asserteq_ptr(ptr, ctx->current);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_misc, 0);
- /* Test writing an ACPI power resource */
- static int dm_test_acpi_power_res(struct unit_test_state *uts)
- {
- const char *const states[] = { "_PR0", "_PR3" };
- const char *name = "PRIC";
- const int level = 3;
- const int order = 2;
- struct acpi_ctx *ctx;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- /* PowerResource (PRIC, 0, 0) */
- acpigen_write_power_res(ctx, name, level, order, states,
- ARRAY_SIZE(states));
- ut_asserteq(0x28, acpigen_get_current(ctx) - ptr);
- ut_asserteq(NAME_OP, ptr[0]);
- ut_asserteq_strn(states[0], (char *)ptr + 1);
- ut_asserteq(8, acpi_test_get_length(ptr + 6));
- ut_asserteq_strn(name, (char *)ptr + 0xa);
- ut_asserteq_strn(states[1], (char *)ptr + 0xf);
- ut_asserteq(8, acpi_test_get_length(ptr + 0x14));
- ut_asserteq_strn(name, (char *)ptr + 0x18);
- ut_asserteq(POWER_RES_OP, ptr[0x1d]);
- ut_asserteq_strn(name, (char *)ptr + 0x21);
- ut_asserteq(level, ptr[0x25]);
- ut_asserteq(order, get_unaligned((u16 *)(ptr + 0x26)));
- /* The length is not set - caller must use acpigen_pop_len() */
- ut_asserteq(1, ctx->ltop);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_power_res, 0);
- /* Test writing ACPI code to toggle a GPIO */
- static int dm_test_acpi_gpio_toggle(struct unit_test_state *uts)
- {
- const uint addr = 0x80012;
- const int txbit = BIT(2);
- struct gpio_desc desc;
- struct acpi_gpio gpio;
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
- ut_asserteq_str("a-test", dev->name);
- ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
- ut_assertok(gpio_get_acpi(&desc, &gpio));
- /* Spot-check the results - see sb_gpio_get_acpi() */
- ptr = acpigen_get_current(ctx);
- acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
- &gpio, true);
- acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
- &gpio, false);
- /* Since this GPIO is active low, we expect it to be cleared here */
- ut_asserteq(STORE_OP, *ptr);
- ut_asserteq_strn("_SB_GPC0", (char *)ptr + 3);
- ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0xc)));
- ut_asserteq(LOCAL5_OP, ptr[0x10]);
- ut_asserteq(STORE_OP, ptr[0x11]);
- ut_asserteq(BYTE_PREFIX, ptr[0x12]);
- ut_asserteq(txbit, ptr[0x13]);
- ut_asserteq(LOCAL0_OP, ptr[0x14]);
- ut_asserteq(NOT_OP, ptr[0x15]);
- ut_asserteq(LOCAL0_OP, ptr[0x16]);
- ut_asserteq(LOCAL6_OP, ptr[0x17]);
- ut_asserteq(AND_OP, ptr[0x18]);
- ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x1e);
- ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x27)));
- ut_asserteq(LOCAL5_OP, ptr[0x2b]);
- /* Now the second one, which should be set */
- ut_asserteq_strn("_SB_GPC0", (char *)ptr + 0x2f);
- ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x38)));
- ut_asserteq(LOCAL5_OP, ptr[0x3c]);
- ut_asserteq(STORE_OP, ptr[0x3d]);
- ut_asserteq(OR_OP, ptr[0x41]);
- ut_asserteq(LOCAL0_OP, ptr[0x43]);
- ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x47);
- ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x50)));
- ut_asserteq(LOCAL5_OP, ptr[0x54]);
- ut_asserteq(0x55, acpigen_get_current(ctx) - ptr);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_gpio_toggle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test writing ACPI code to output power-sequence info */
- static int dm_test_acpi_power_seq(struct unit_test_state *uts)
- {
- struct gpio_desc reset, enable, stop;
- const uint addr = 0xc00dc, addr_act_low = 0x80012;
- const int txbit = BIT(2);
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(acpi_test_alloc_context_size(&ctx, 400));
- ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
- ut_asserteq_str("a-test", dev->name);
- ut_assertok(gpio_request_by_name(dev, "test2-gpios", 0, &reset, 0));
- ut_assertok(gpio_request_by_name(dev, "test2-gpios", 1, &enable, 0));
- ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &stop, 0));
- ptr = acpigen_get_current(ctx);
- ut_assertok(acpi_device_add_power_res(ctx, txbit, "\\_SB.GPC0",
- "\\_SB.SPC0", &reset, 2, 3,
- &enable, 4, 5, &stop, 6, 7));
- ut_asserteq(0x186, acpigen_get_current(ctx) - ptr);
- ut_asserteq_strn("PRIC", (char *)ptr + 0x18);
- /* First the 'ON' sequence - spot check */
- ut_asserteq_strn("_ON_", (char *)ptr + 0x38);
- /* reset set */
- ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x49)));
- ut_asserteq(OR_OP, ptr[0x52]);
- /* enable set */
- ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x72)));
- ut_asserteq(OR_OP, ptr[0x7b]);
- /* reset clear */
- ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x9f)));
- ut_asserteq(NOT_OP, ptr[0xa8]);
- /* stop set (disable, active low) */
- ut_asserteq(addr_act_low + stop.offset,
- get_unaligned((u32 *)(ptr + 0xcf)));
- ut_asserteq(OR_OP, ptr[0xd8]);
- /* Now the 'OFF' sequence */
- ut_asserteq_strn("_OFF", (char *)ptr + 0xf4);
- /* stop clear (enable, active low) */
- ut_asserteq(addr_act_low + stop.offset,
- get_unaligned((u32 *)(ptr + 0x105)));
- ut_asserteq(NOT_OP, ptr[0x10e]);
- /* reset clear */
- ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x135)));
- ut_asserteq(OR_OP, ptr[0x13e]);
- /* enable clear */
- ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x162)));
- ut_asserteq(NOT_OP, ptr[0x16b]);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_power_seq, UT_TESTF_SCAN_PDATA | UT_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(&ctx));
- 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(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_write_values, 0);
- /* Test writing a scope */
- static int dm_test_acpi_scope(struct unit_test_state *uts)
- {
- char buf[ACPI_PATH_MAX];
- struct acpi_ctx *ctx;
- struct udevice *dev;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
- ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
- acpigen_write_scope(ctx, buf);
- acpigen_pop_len(ctx);
- ut_asserteq(SCOPE_OP, *ptr++);
- ut_asserteq(13, acpi_test_get_length(ptr));
- ptr += 3;
- ut_asserteq(ROOT_PREFIX, *ptr++);
- ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
- ut_asserteq_strn("_SB_" ACPI_TEST_DEV_NAME, (char *)ptr);
- ptr += 8;
- ut_asserteq_ptr(ptr, ctx->current);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_scope, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test writing a resource template */
- static int dm_test_acpi_resource_template(struct unit_test_state *uts)
- {
- struct acpi_gen_regaddr addr;
- struct acpi_ctx *ctx;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- addr.space_id = ACPI_ADDRESS_SPACE_EC;
- addr.bit_width = 32;
- addr.bit_offset = 8;
- addr.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
- addr.addrl = TEST_INT64 & 0xffffffff;
- addr.addrh = TEST_INT64 >> 32;
- acpigen_write_register_resource(ctx, &addr);
- ut_asserteq(BUFFER_OP, *ptr++);
- ut_asserteq(0x17, acpi_test_get_length(ptr));
- ptr += 3;
- ut_asserteq(WORD_PREFIX, *ptr++);
- ut_asserteq(0x11, get_unaligned((u16 *)ptr));
- ptr += 2;
- ut_asserteq(ACPI_DESCRIPTOR_REGISTER, *ptr++);
- ut_asserteq(0xc, *ptr++);
- ut_asserteq(0, *ptr++);
- ut_asserteq(ACPI_ADDRESS_SPACE_EC, *ptr++);
- ut_asserteq(32, *ptr++);
- ut_asserteq(8, *ptr++);
- ut_asserteq(ACPI_ACCESS_SIZE_DWORD_ACCESS, *ptr++);
- ut_asserteq(TEST_INT64 & 0xffffffff, get_unaligned((u32 *)ptr));
- ptr += 4;
- ut_asserteq(TEST_INT64 >> 32, get_unaligned((u32 *)ptr));
- ptr += 4;
- ut_asserteq(ACPI_END_TAG, *ptr++);
- ut_asserteq(0x00, *ptr++);
- ut_asserteq_ptr(ptr, ctx->current);
- free_context(&ctx);
- 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);
- /* Test writing named values */
- static int dm_test_acpi_write_name(struct unit_test_state *uts)
- {
- const char *name = "\\_SB." ACPI_TEST_DEV_NAME;
- struct acpi_ctx *ctx;
- u8 *ptr;
- ut_assertok(alloc_context(&ctx));
- ptr = acpigen_get_current(ctx);
- acpigen_write_name_zero(ctx, name);
- acpigen_write_name_one(ctx, name);
- acpigen_write_name_byte(ctx, name, TEST_INT8);
- acpigen_write_name_word(ctx, name, TEST_INT16);
- acpigen_write_name_dword(ctx, name, TEST_INT32);
- acpigen_write_name_qword(ctx, name, TEST_INT64);
- acpigen_write_name_integer(ctx, name, TEST_INT64 + 1);
- acpigen_write_name_string(ctx, name, "baldrick");
- acpigen_write_name_string(ctx, name, NULL);
- ut_asserteq(NAME_OP, *ptr++);
- ut_asserteq_strn("\\._SB_ABCD", (char *)ptr);
- ptr += 10;
- ut_asserteq(ZERO_OP, *ptr++);
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(ONE_OP, *ptr++);
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(BYTE_PREFIX, *ptr++);
- ut_asserteq(TEST_INT8, *ptr++);
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(WORD_PREFIX, *ptr++);
- ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
- ptr += 2;
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(DWORD_PREFIX, *ptr++);
- ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
- ptr += 4;
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(QWORD_PREFIX, *ptr++);
- ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
- ptr += 8;
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(QWORD_PREFIX, *ptr++);
- ut_asserteq_64(TEST_INT64 + 1, get_unaligned((u64 *)ptr));
- ptr += 8;
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(STRING_PREFIX, *ptr++);
- ut_asserteq_str("baldrick", (char *)ptr)
- ptr += 9;
- ut_asserteq(NAME_OP, *ptr++);
- ptr += 10;
- ut_asserteq(STRING_PREFIX, *ptr++);
- ut_asserteq('\0', *ptr++);
- ut_asserteq_ptr(ptr, ctx->current);
- free_context(&ctx);
- return 0;
- }
- DM_TEST(dm_test_acpi_write_name, 0);
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