20 files changed, 0 insertions, 1743 deletions

diff --git a/chip/host/adc_chip.h b/chip/host/adc_chip.h
deleted file mode 100644
index 8754be266e..0000000000
--- a/chip/host/adc_chip.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* Copyright 2021 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Host-specific ADC module for Chrome EC */
-
-#ifndef __CROS_EC_ADC_CHIP_H
-#define __CROS_EC_ADC_CHIP_H
-
-/* Place-holder data structure to define ADC channels. */
-struct adc_t {
-	int unused;
-};
-
-#endif /* __CROS_EC_ADC_CHIP_H */
diff --git a/chip/host/build.mk b/chip/host/build.mk
deleted file mode 100644
index 6f8ea250ca..0000000000
--- a/chip/host/build.mk
+++ /dev/null
@@ -1,21 +0,0 @@
-# -*- makefile -*-
-# Copyright 2013 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-#
-# emulator specific files build
-#
-
-CORE:=host
-
-chip-y=system.o gpio.o uart.o persistence.o flash.o lpc.o reboot.o \
-	clock.o spi_controller.o trng.o
-
-ifndef CONFIG_KEYBOARD_NOT_RAW
-chip-$(HAS_TASK_KEYSCAN)+=keyboard_raw.o
-endif
-chip-$(CONFIG_USB_PD_TCPC)+=usb_pd_phy.o
-
-dirs-y += chip/host/dcrypto
-
-chip-$(CONFIG_I2C)+= i2c.o
diff --git a/chip/host/clock.c b/chip/host/clock.c
deleted file mode 100644
index 2c3c48661e..0000000000
--- a/chip/host/clock.c
+++ /dev/null
@@ -1,13 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Mock clock driver for unit test.
- */
-
-#include "clock.h"
-
-int clock_get_freq(void)
-{
-	return 16000000;
-}
diff --git a/chip/host/config_chip.h b/chip/host/config_chip.h
deleted file mode 100644
index 84e254d8a0..0000000000
--- a/chip/host/config_chip.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Chip config header file */
-
-#ifndef __CROS_EC_CONFIG_CHIP_H
-#define __CROS_EC_CONFIG_CHIP_H
-
-/* Memory mapping */
-#if !defined(TEST_NVMEM) && !defined(TEST_CR50_FUZZ)
-#define CONFIG_FLASH_SIZE_BYTES 0x00020000
-#define CONFIG_FLASH_BANK_SIZE 0x1000
-#else
-#define CONFIG_FLASH_SIZE_BYTES (512 * 1024)
-#define CONFIG_FLASH_BANK_SIZE 0x800
-#endif
-
-extern char __host_flash[CONFIG_FLASH_SIZE_BYTES];
-
-#define CONFIG_PROGRAM_MEMORY_BASE ((uintptr_t)__host_flash)
-#define CONFIG_FLASH_ERASE_SIZE 0x0010	     /* erase bank size */
-#define CONFIG_FLASH_WRITE_SIZE 0x0002	     /* minimum write size */
-#define CONFIG_FLASH_WRITE_IDEAL_SIZE 0x0080 /* ideal write size */
-#define CONFIG_RAM_BASE 0x0		     /* Not supported */
-#define CONFIG_RAM_SIZE                0x0 /* Not supported */
-
-#define CONFIG_FPU
-
-/* Memory-mapped internal flash */
-#define CONFIG_INTERNAL_STORAGE
-#define CONFIG_MAPPED_STORAGE
-
-/* Program is run directly from storage */
-#define CONFIG_MAPPED_STORAGE_BASE CONFIG_PROGRAM_MEMORY_BASE
-
-/* Compute the rest of the flash params from these */
-#include "config_std_internal_flash.h"
-
-/* Default task stack size */
-#define TASK_STACK_SIZE 512
-
-/* Interval between HOOK_TICK notifications */
-#define HOOK_TICK_INTERVAL_MS 250
-#define HOOK_TICK_INTERVAL    (HOOK_TICK_INTERVAL_MS * MSEC)
-
-/* Do NOT use common panic code (designed to output information on the UART) */
-#undef CONFIG_COMMON_PANIC_OUTPUT
-/* Do NOT use common timer code which is designed for hardware counters. */
-#undef CONFIG_COMMON_TIMER
-
-#define GPIO_PIN(port, index) GPIO_##port, BIT(index)
-#define GPIO_PIN_MASK(p, m) .port = GPIO_##p, .mask = (m)
-
-#define I2C_PORT_COUNT 1
-
-#endif /* __CROS_EC_CONFIG_CHIP_H */
diff --git a/chip/host/flash.c b/chip/host/flash.c
deleted file mode 100644
index 75212737e0..0000000000
--- a/chip/host/flash.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Flash module for emulator */
-
-#include <stdio.h>
-
-#include "common.h"
-#include "config_chip.h"
-#include "flash.h"
-#include "persistence.h"
-#include "util.h"
-
-/* This needs to be aligned to the erase bank size for NVCTR. */
-__aligned(CONFIG_FLASH_ERASE_SIZE) char __host_flash[CONFIG_FLASH_SIZE_BYTES];
-uint8_t __host_flash_protect[PHYSICAL_BANKS];
-
-/* Override this function to make flash erase/write operation fail */
-test_mockable int flash_pre_op(void)
-{
-	return EC_SUCCESS;
-}
-
-static int flash_check_protect(int offset, int size)
-{
-	int first_bank = offset / CONFIG_FLASH_BANK_SIZE;
-	int last_bank = DIV_ROUND_UP(offset + size,
-				     CONFIG_FLASH_BANK_SIZE);
-	int bank;
-
-	for (bank = first_bank; bank < last_bank; ++bank)
-		if (__host_flash_protect[bank])
-			return 1;
-	return 0;
-}
-
-static void flash_set_persistent(void)
-{
-	FILE *f = get_persistent_storage("flash", "wb");
-	int sz;
-
-	ASSERT(f != NULL);
-
-	sz = fwrite(__host_flash, sizeof(__host_flash), 1, f);
-	ASSERT(sz == 1);
-
-	release_persistent_storage(f);
-}
-
-static void flash_get_persistent(void)
-{
-	FILE *f = get_persistent_storage("flash", "rb");
-	int sz;
-
-	if (f == NULL) {
-		fprintf(stderr,
-			"No flash storage found. Initializing to 0xff.\n");
-		memset(__host_flash, 0xff, sizeof(__host_flash));
-		return;
-	}
-
-	sz = fread(__host_flash, sizeof(__host_flash), 1, f);
-	ASSERT(sz == 1);
-
-	release_persistent_storage(f);
-}
-
-int crec_flash_physical_write(int offset, int size, const char *data)
-{
-	ASSERT((size & (CONFIG_FLASH_WRITE_SIZE - 1)) == 0);
-
-	if (flash_pre_op() != EC_SUCCESS)
-		return EC_ERROR_UNKNOWN;
-
-	if (flash_check_protect(offset, size))
-		return EC_ERROR_ACCESS_DENIED;
-
-	memcpy(__host_flash + offset, data, size);
-	flash_set_persistent();
-
-	return EC_SUCCESS;
-}
-
-int crec_flash_physical_erase(int offset, int size)
-{
-	ASSERT((size & (CONFIG_FLASH_ERASE_SIZE - 1)) == 0);
-
-	if (flash_pre_op() != EC_SUCCESS)
-		return EC_ERROR_UNKNOWN;
-
-	if (flash_check_protect(offset, size))
-		return EC_ERROR_ACCESS_DENIED;
-
-	memset(__host_flash + offset, 0xff, size);
-	flash_set_persistent();
-
-	return EC_SUCCESS;
-}
-
-int crec_flash_physical_get_protect(int bank)
-{
-	return __host_flash_protect[bank];
-}
-
-uint32_t crec_flash_physical_get_protect_flags(void)
-{
-	int i;
-	uint32_t flags = EC_FLASH_PROTECT_ALL_NOW;
-
-	for (i = 0; i < PHYSICAL_BANKS; ++i)
-		if (__host_flash_protect[i] == 0)
-			flags = 0;
-
-	return flags;
-}
-
-int crec_flash_physical_protect_now(int all)
-{
-	memset(__host_flash_protect, 1, all ? PHYSICAL_BANKS : WP_BANK_COUNT);
-	return EC_SUCCESS;
-}
-
-uint32_t crec_flash_physical_get_valid_flags(void)
-{
-	return EC_FLASH_PROTECT_RO_AT_BOOT |
-	       EC_FLASH_PROTECT_RO_NOW |
-	       EC_FLASH_PROTECT_ALL_NOW;
-}
-
-uint32_t crec_flash_physical_get_writable_flags(uint32_t cur_flags)
-{
-	uint32_t ret = 0;
-
-	/* If RO protection isn't enabled, its at-boot state can be changed. */
-	if (!(cur_flags & EC_FLASH_PROTECT_RO_NOW))
-		ret |= EC_FLASH_PROTECT_RO_AT_BOOT;
-
-	/*
-	 * If entire flash isn't protected at this boot, it can be enabled if
-	 * the WP GPIO is asserted.
-	 */
-	if (!(cur_flags & EC_FLASH_PROTECT_ALL_NOW) &&
-	    (cur_flags & EC_FLASH_PROTECT_GPIO_ASSERTED))
-		ret |= EC_FLASH_PROTECT_ALL_NOW;
-
-	return ret;
-}
-
-int crec_flash_pre_init(void)
-{
-	uint32_t prot_flags;
-
-	flash_get_persistent();
-
-	prot_flags = crec_flash_get_protect();
-
-	if (prot_flags & EC_FLASH_PROTECT_GPIO_ASSERTED) {
-		/*
-		 * Write protect is asserted.  If we want RO flash protected,
-		 * protect it now.
-		 */
-		if ((prot_flags & EC_FLASH_PROTECT_RO_AT_BOOT) &&
-		    !(prot_flags & EC_FLASH_PROTECT_RO_NOW)) {
-			int rv = crec_flash_set_protect(EC_FLASH_PROTECT_RO_NOW,
-						   EC_FLASH_PROTECT_RO_NOW);
-			if (rv)
-				return rv;
-
-			/* Re-read flags */
-			prot_flags = crec_flash_get_protect();
-		}
-	}
-
-	return EC_SUCCESS;
-}
diff --git a/chip/host/gpio.c b/chip/host/gpio.c
deleted file mode 100644
index 3c15205ad5..0000000000
--- a/chip/host/gpio.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* GPIO module for emulator */
-
-#include "console.h"
-
-#include "common.h"
-#include "console.h"
-#include "gpio.h"
-#include "timer.h"
-#include "util.h"
-
-static int gpio_values[GPIO_COUNT];
-static int gpio_interrupt_enabled[GPIO_COUNT];
-
-/* Create a dictionary of names for debug console print */
-#define GPIO_INT(name, pin, flags, signal) #name,
-#define GPIO(name, pin, flags) #name,
-const char * gpio_names[GPIO_COUNT] = {
-	#include "gpio.wrap"
-};
-#undef GPIO
-#undef GPIO_INT
-
-test_mockable void gpio_pre_init(void)
-{
-	/* Nothing */
-}
-
-test_mockable int gpio_get_level(enum gpio_signal signal)
-{
-	return gpio_values[signal];
-}
-
-static int gpio_interrupt_check(uint32_t flags, int old, int new)
-{
-	if ((flags & GPIO_INT_F_RISING) && old == 0 && new == 1)
-		return 1;
-	if ((flags & GPIO_INT_F_FALLING) && old == 1 && new == 0)
-		return 1;
-	if ((flags & GPIO_INT_F_LOW) && new == 0)
-		return 1;
-	if ((flags & GPIO_INT_F_HIGH) && new == 1)
-		return 1;
-	return 0;
-}
-
-test_mockable void gpio_set_level(enum gpio_signal signal, int value)
-{
-	const struct gpio_info *g = gpio_list + signal;
-	const uint32_t flags = g->flags;
-	const int old_value = gpio_values[signal];
-	void (*ih)(enum gpio_signal signal);
-
-	gpio_values[signal] = value;
-
-	ccprints("Setting GPIO_%s to %d", gpio_names[signal], value);
-
-	if (signal >= GPIO_IH_COUNT || !gpio_interrupt_enabled[signal])
-		return;
-
-	ih = gpio_irq_handlers[signal];
-
-	if (gpio_interrupt_check(flags, old_value, value))
-		ih(signal);
-}
-
-test_mockable int gpio_enable_interrupt(enum gpio_signal signal)
-{
-	gpio_interrupt_enabled[signal] = 1;
-	return EC_SUCCESS;
-}
-
-test_mockable int gpio_disable_interrupt(enum gpio_signal signal)
-{
-	gpio_interrupt_enabled[signal] = 0;
-	return EC_SUCCESS;
-}
-
-test_mockable int gpio_clear_pending_interrupt(enum gpio_signal signal)
-{
-	return EC_SUCCESS;
-}
-
-test_mockable void gpio_set_flags_by_mask(uint32_t port, uint32_t mask,
-					  uint32_t flags)
-{
-	/* Nothing */
-}
-
-test_mockable void gpio_set_alternate_function(uint32_t port, uint32_t mask,
-						enum gpio_alternate_func func)
-{
-	/* Nothing */
-}
diff --git a/chip/host/host_test.h b/chip/host/host_test.h
deleted file mode 100644
index e2bf5448c3..0000000000
--- a/chip/host/host_test.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Unit testing for Chrome EC */
-
-#ifndef __CROS_EC_HOST_TEST_H
-#define __CROS_EC_HOST_TEST_H
-
-/* Emulator exit codes */
-#define EXIT_CODE_HIBERNATE BIT(7)
-
-/* Get emulator executable name */
-const char *__get_prog_name(void);
-
-#endif  /* __CROS_EC_HOST_TEST_H */
diff --git a/chip/host/i2c.c b/chip/host/i2c.c
deleted file mode 100644
index ba4ab376d2..0000000000
--- a/chip/host/i2c.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Mock I2C driver for unit test.
- */
-
-#include "hooks.h"
-#include "i2c.h"
-#include "i2c_private.h"
-#include "link_defs.h"
-#include "test_util.h"
-
-#define MAX_DETACHED_DEV_COUNT 3
-
-struct i2c_dev {
-	int port;
-	uint16_t addr_flags;
-	int valid;
-};
-
-static struct i2c_dev detached_devs[MAX_DETACHED_DEV_COUNT];
-
-static void detach_init(void)
-{
-	int i;
-	for (i = 0; i < MAX_DETACHED_DEV_COUNT; ++i)
-		detached_devs[i].valid = 0;
-}
-DECLARE_HOOK(HOOK_INIT, detach_init, HOOK_PRIO_FIRST);
-
-int test_detach_i2c(const int port, const uint16_t addr_flags)
-{
-	int i;
-
-	for (i = 0; i < MAX_DETACHED_DEV_COUNT; ++i)
-		if (detached_devs[i].valid == 0)
-			break;
-
-	if (i == MAX_DETACHED_DEV_COUNT)
-		return EC_ERROR_OVERFLOW;
-
-	detached_devs[i].port = port;
-	detached_devs[i].addr_flags = addr_flags;
-	detached_devs[i].valid = 1;
-
-	return EC_SUCCESS;
-}
-
-int test_attach_i2c(const int port, const uint16_t addr_flags)
-{
-	int i;
-
-	for (i = 0; i < MAX_DETACHED_DEV_COUNT; ++i)
-		if (detached_devs[i].valid &&
-		    detached_devs[i].port == port &&
-		    detached_devs[i].addr_flags == addr_flags)
-			break;
-
-	if (i == MAX_DETACHED_DEV_COUNT)
-		return EC_ERROR_INVAL;
-
-	detached_devs[i].valid = 0;
-	return EC_SUCCESS;
-}
-
-static int test_check_detached(const int port,
-			       const uint16_t addr_flags)
-{
-	int i;
-
-	for (i = 0; i < MAX_DETACHED_DEV_COUNT; ++i)
-		if (detached_devs[i].valid &&
-		    detached_devs[i].port == port &&
-		    detached_devs[i].addr_flags == addr_flags)
-			return 1;
-	return 0;
-}
-
-int chip_i2c_xfer(const int port, const uint16_t addr_flags,
-		  const uint8_t *out, int out_size,
-		  uint8_t *in, int in_size, int flags)
-{
-	const struct test_i2c_xfer *p;
-	int rv;
-
-	if (test_check_detached(port, addr_flags))
-		return EC_ERROR_UNKNOWN;
-	for (p = __test_i2c_xfer; p < __test_i2c_xfer_end; ++p) {
-		rv = p->routine(port, addr_flags,
-				out, out_size,
-				in, in_size, flags);
-		if (rv != EC_ERROR_INVAL)
-			return rv;
-	}
-	return EC_ERROR_UNKNOWN;
-}
-
-int chip_i2c_set_freq(int port, enum i2c_freq freq)
-{
-	return EC_ERROR_UNIMPLEMENTED;
-}
-
-enum i2c_freq chip_i2c_get_freq(int port)
-{
-	switch (i2c_ports[port].kbps) {
-	case 1000:
-		return I2C_FREQ_1000KHZ;
-	case 400:
-		return I2C_FREQ_400KHZ;
-	case 100:
-		return I2C_FREQ_100KHZ;
-	}
-
-	/* fallback to 100k */
-	return I2C_FREQ_100KHZ;
-}
-
-int i2c_raw_get_scl(int port)
-{
-	return 1;
-}
-
-int i2c_raw_get_sda(int port)
-{
-	return 1;
-}
-
-int i2c_get_line_levels(int port)
-{
-	return 0;
-}
-
-void i2c_init(void)
-{
-	/* We don't actually need to initialize anything here for host tests */
-}
diff --git a/chip/host/keyboard_raw.c b/chip/host/keyboard_raw.c
deleted file mode 100644
index 3e1f755f7f..0000000000
--- a/chip/host/keyboard_raw.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Raw keyboard I/O layer for emulator */
-
-#include "common.h"
-#include "keyboard_config.h"
-#include "keyboard_raw.h"
-#include "keyboard_scan.h"
-#include "task.h"
-#include "util.h"
-
-test_mockable void keyboard_raw_init(void)
-{
-	/* Nothing */
-}
-
-test_mockable void keyboard_raw_task_start(void)
-{
-	/* Nothing */
-}
-
-test_mockable void keyboard_raw_drive_column(int out)
-{
-	/* Nothing */
-}
-
-test_mockable int keyboard_raw_read_rows(void)
-{
-	/* Nothing pressed */
-	return 0;
-}
-
-test_mockable void keyboard_raw_enable_interrupt(int enable)
-{
-	/* Nothing */
-}
-
-test_mockable void keyboard_raw_gpio_interrupt(enum gpio_signal signal)
-{
-#ifdef HAS_TASK_KEYSCAN
-	task_wake(TASK_ID_KEYSCAN);
-#endif
-}
diff --git a/chip/host/lpc.c b/chip/host/lpc.c
deleted file mode 100644
index dd64be9275..0000000000
--- a/chip/host/lpc.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* LPC module for Chrome EC emulator */
-
-#include "lpc.h"
-
-test_mockable int lpc_keyboard_has_char(void)
-{
-	return 0;
-}
-
-test_mockable int lpc_keyboard_input_pending(void)
-{
-	return 0;
-}
-
-test_mockable void lpc_keyboard_put_char(uint8_t chr, int send_irq)
-{
-	/* Do nothing */
-}
-
-test_mockable void lpc_keyboard_clear_buffer(void)
-{
-	/* Do nothing */
-}
-
-test_mockable void lpc_keyboard_resume_irq(void)
-{
-	/* Do nothing */
-}
diff --git a/chip/host/persistence.c b/chip/host/persistence.c
deleted file mode 100644
index 44d60f1bb8..0000000000
--- a/chip/host/persistence.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Persistence module for emulator */
-
-/* This provides storage that can be opened, closed and reopened by the
- * current process at will, whose naming even remains stable across multiple
- * invocations of the same executable, while providing a unique name for
- * each executable (as determined by path) that uses these routines.
- *
- * Useful when semi-permanent storage is required even with many
- * similar processes running in parallel (e.g. in a highly parallel
- * test suite run.
- *
- * mkstemp and friends don't provide these properties which is why we have
- * this homegrown implementation of something similar-yet-different.
- */
-
-#include <linux/limits.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "util.h"
-
-/* The longest path in a chroot seems to be about 280 characters (as of
- * April 2021) so define a cut-off instead of just hoping for the best:
- * If we were to run into a path that is nearly PATH_MAX bytes long,
- * file names could end up being reused inadvertedly because the various
- * snprintf calls would cut off the trailing characters, so the "tag" (and
- * maybe more) is gone even though it only exists for differentiation.
- *
- * Instead bail out if we encounter a path (to an executable using these
- * routines) that is longer than we expect.
- *
- * Round up for some spare room because why not?
- */
-static const int max_len = 300;
-
-/* This must be at least the size of the prefix added in get_storage_path */
-static const int max_prefix_len = 25;
-
-static void get_storage_path(char *out)
-{
-	char buf[PATH_MAX];
-	int sz;
-	char *current;
-
-	sz = readlink("/proc/self/exe", buf, PATH_MAX - 1);
-	buf[sz] = '\0';
-
-	ASSERT(sz <= max_len);
-
-	/* replace / by underscores in the path to get the shared memory name */
-	current = strchr(buf, '/');
-	while (current) {
-		*current = '_';
-		current = strchr(current, '/');
-	}
-
-
-	sz = snprintf(out, PATH_MAX - 1, "/dev/shm/EC_persist_%.*s",
-		max_len, buf);
-	out[PATH_MAX - 1] = '\0';
-
-	ASSERT(sz <= max_len + max_prefix_len);
-}
-
-FILE *get_persistent_storage(const char *tag, const char *mode)
-{
-	char buf[PATH_MAX];
-	char path[PATH_MAX];
-
-	/* There's no longer tag in use right now, and there shouldn't be. */
-	ASSERT(strlen(tag) < 32);
-
-	/*
-	 * The persistent storage with tag 'foo' for test 'bar' would
-	 * be named 'bar_persist_foo'
-	 */
-	get_storage_path(buf);
-	snprintf(path, PATH_MAX - 1, "%.*s_%32s",
-		max_len + max_prefix_len, buf, tag);
-	path[PATH_MAX - 1] = '\0';
-
-	return fopen(path, mode);
-}
-
-void release_persistent_storage(FILE *ps)
-{
-	fclose(ps);
-}
-
-void remove_persistent_storage(const char *tag)
-{
-	char buf[PATH_MAX];
-	char path[PATH_MAX];
-
-	/* There's no longer tag in use right now, and there shouldn't be. */
-	ASSERT(strlen(tag) < 32);
-
-	get_storage_path(buf);
-	snprintf(path, PATH_MAX - 1, "%.*s_%32s",
-		max_len + max_prefix_len, buf, tag);
-	path[PATH_MAX - 1] = '\0';
-
-	unlink(path);
-}
diff --git a/chip/host/persistence.h b/chip/host/persistence.h
deleted file mode 100644
index a473f8dfb0..0000000000
--- a/chip/host/persistence.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Persistence module for emulator */
-
-#ifndef __CROS_EC_PERSISTENCE_H
-#define __CROS_EC_PERSISTENCE_H
-
-#include <stdio.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-FILE *get_persistent_storage(const char *tag, const char *mode);
-
-void release_persistent_storage(FILE *ps);
-
-void remove_persistent_storage(const char *tag);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __CROS_EC_PERSISTENCE_H */
diff --git a/chip/host/reboot.c b/chip/host/reboot.c
deleted file mode 100644
index e932c5f11a..0000000000
--- a/chip/host/reboot.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Emulator self-reboot procedure */
-
-#include <string.h>
-#include <unistd.h>
-
-#include "console.h"
-#include "host_test.h"
-#include "reboot.h"
-#include "test_util.h"
-
-#ifdef TEST_FUZZ
-/* reboot breaks fuzzing, let's just not do it. */
-void emulator_reboot(void)
-{
-	ccprints("Emulator would reboot here. Fuzzing: doing nothing.");
-}
-#else /* !TEST_FUZZ */
-noreturn
-void emulator_reboot(void)
-{
-	char *argv[] = {strdup(__get_prog_name()), NULL};
-	emulator_flush();
-	execv(__get_prog_name(), argv);
-	while (1)
-		;
-}
-#endif /* !TEST_FUZZ */
diff --git a/chip/host/reboot.h b/chip/host/reboot.h
deleted file mode 100644
index 1c1201f451..0000000000
--- a/chip/host/reboot.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Emulator self-reboot procedure */
-
-#ifndef __CROS_EC_REBOOT_H
-#define __CROS_EC_REBOOT_H
-
-#include <stdnoreturn.h>
-
-#ifndef TEST_FUZZ
-noreturn
-#endif
-void emulator_reboot(void);
-
-#endif
diff --git a/chip/host/registers.h b/chip/host/registers.h
deleted file mode 100644
index 7347ce04d3..0000000000
--- a/chip/host/registers.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Empty registers header for emulator */
-
-/*
- * There is no register for emulator, but this file exists to prevent
- * compilation failure if any file includes registers.h
- */
diff --git a/chip/host/spi_controller.c b/chip/host/spi_controller.c
deleted file mode 100644
index c7afea5d39..0000000000
--- a/chip/host/spi_controller.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright 2019 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Mock SPI Controller driver for unit test.
- */
-
-#include <stdint.h>
-
-#include "common.h"
-#include "gpio.h"
-
-#include "spi.h"
-
-test_mockable int spi_enable(const struct spi_device_t *spi_device, int enable)
-{
-	return EC_SUCCESS;
-}
-
-test_mockable int spi_transaction(const struct spi_device_t *spi_device,
-				  const uint8_t *txdata, int txlen,
-				  uint8_t *rxdata, int rxlen)
-{
-	return EC_SUCCESS;
-}
-
-test_mockable int spi_transaction_async(const struct spi_device_t *spi_device,
-					const uint8_t *txdata, int txlen,
-					uint8_t *rxdata, int rxlen)
-{
-	return EC_SUCCESS;
-}
-
-test_mockable int spi_transaction_flush(const struct spi_device_t *spi_device)
-{
-	return EC_SUCCESS;
-}
-
-test_mockable int spi_transaction_wait(const struct spi_device_t *spi_device)
-{
-	return EC_SUCCESS;
-}
diff --git a/chip/host/system.c b/chip/host/system.c
deleted file mode 100644
index 60d765deab..0000000000
--- a/chip/host/system.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* System module for emulator */
-
-#include "common.h"
-#include "ec_commands.h"
-#include "host_test.h"
-#include "panic.h"
-#include "persistence.h"
-#include "reboot.h"
-#include "system.h"
-#include "timer.h"
-#include "util.h"
-
-// Forward declaration from <stdlib.h> to avoid declaration conflicts.
-void exit(int);
-
-#define SHARED_MEM_SIZE 0x2000 /* bytes */
-#define RAM_DATA_SIZE (sizeof(struct panic_data) + 512) /* bytes */
-uint8_t __shared_mem_buf[SHARED_MEM_SIZE + RAM_DATA_SIZE];
-
-static char *__ram_data = __shared_mem_buf + SHARED_MEM_SIZE;
-
-static enum ec_image __running_copy;
-
-static void ramdata_set_persistent(void)
-{
-	FILE *f = get_persistent_storage("ramdata", "wb");
-	int sz;
-
-	ASSERT(f != NULL);
-
-	sz = fwrite(__ram_data, RAM_DATA_SIZE, 1, f);
-	ASSERT(sz == 1);
-
-	release_persistent_storage(f);
-}
-
-static void ramdata_get_persistent(void)
-{
-	FILE *f = get_persistent_storage("ramdata", "rb");
-
-	if ((f == NULL) || (fread(__ram_data, RAM_DATA_SIZE, 1, f) != 1)) {
-		fprintf(stderr,
-			"No RAM data found. Initializing to 0x00.\n");
-		memset(__ram_data, 0, RAM_DATA_SIZE);
-		return;
-	}
-
-	release_persistent_storage(f);
-
-	/*
-	 * Assumes RAM data doesn't preserve across reboot except for sysjump.
-	 * Clear persistent data once it's read.
-	 */
-	remove_persistent_storage("ramdata");
-}
-
-static void set_image_copy(uint32_t copy)
-{
-	FILE *f = get_persistent_storage("image_copy", "wb");
-
-	ASSERT(f != NULL);
-	ASSERT(fwrite(&copy, sizeof(copy), 1, f) == 1);
-
-	release_persistent_storage(f);
-}
-
-static uint32_t get_image_copy(void)
-{
-	FILE *f = get_persistent_storage("image_copy", "rb");
-	uint32_t ret;
-
-	if ((f == NULL) || (fread(&ret, sizeof(ret), 1, f) != 1))
-		return EC_IMAGE_UNKNOWN;
-	release_persistent_storage(f);
-	remove_persistent_storage("image_copy");
-
-	return ret;
-}
-
-static void save_reset_flags(uint32_t flags)
-{
-	FILE *f = get_persistent_storage("reset_flags", "wb");
-
-	ASSERT(f != NULL);
-	ASSERT(fwrite(&flags, sizeof(flags), 1, f) == 1);
-
-	release_persistent_storage(f);
-}
-
-static uint32_t load_reset_flags(void)
-{
-	FILE *f = get_persistent_storage("reset_flags", "rb");
-	uint32_t ret;
-
-	if ((f == NULL) || (fread(&ret, sizeof(ret), 1, f) != 1))
-		return EC_RESET_FLAG_POWER_ON;
-	release_persistent_storage(f);
-	remove_persistent_storage("reset_flags");
-
-	return ret;
-}
-
-static void save_time(timestamp_t t)
-{
-	FILE *f = get_persistent_storage("time", "wb");
-
-	ASSERT(f != NULL);
-	ASSERT(fwrite(&t, sizeof(t), 1, f) == 1);
-
-	release_persistent_storage(f);
-}
-
-static int load_time(timestamp_t *t)
-{
-	FILE *f = get_persistent_storage("time", "rb");
-
-	if ((f == NULL) || (fread(t, sizeof(*t), 1, f) != 1))
-		return 0;
-	release_persistent_storage(f);
-	remove_persistent_storage("time");
-
-	return 1;
-}
-
-test_mockable struct panic_data *panic_get_data(void)
-{
-	return (struct panic_data *)
-		(__ram_data + RAM_DATA_SIZE - sizeof(struct panic_data));
-}
-
-test_mockable uintptr_t get_panic_data_start()
-{
-	return (uintptr_t)
-		(__ram_data + RAM_DATA_SIZE - sizeof(struct panic_data));
-}
-
-test_mockable void system_reset(int flags)
-{
-	uint32_t save_flags = 0;
-	if (flags & SYSTEM_RESET_PRESERVE_FLAGS)
-		save_flags = system_get_reset_flags() | EC_RESET_FLAG_PRESERVED;
-	if (flags & SYSTEM_RESET_LEAVE_AP_OFF)
-		save_flags |= EC_RESET_FLAG_AP_OFF;
-	if (flags & SYSTEM_RESET_HARD)
-		save_flags |= EC_RESET_FLAG_HARD;
-	if (save_flags)
-		save_reset_flags(save_flags);
-	emulator_reboot();
-}
-
-test_mockable void system_hibernate(uint32_t seconds, uint32_t microseconds)
-{
-	uint32_t i;
-
-	if (board_hibernate)
-		board_hibernate();
-
-	save_reset_flags(EC_RESET_FLAG_HIBERNATE);
-
-	if (!seconds && !microseconds)
-		exit(EXIT_CODE_HIBERNATE);
-
-	for (i = 0; i < seconds; ++i)
-		udelay(SECOND);
-	udelay(microseconds);
-	emulator_reboot();
-}
-
-test_mockable int system_is_locked(void)
-{
-	return 0;
-}
-
-#ifdef TEST_FUZZ
-/* When fuzzing, do not allow sysjumps. */
-int system_run_image_copy(enum ec_image copy)
-{
-	ccprints("Emulator would sysjump here. Fuzzing: doing nothing.");
-	return EC_ERROR_UNKNOWN;
-}
-#endif
-
-const char *system_get_chip_vendor(void)
-{
-	return "chromeos";
-}
-
-const char *system_get_chip_name(void)
-{
-	return "emu";
-}
-
-const char *system_get_chip_revision(void)
-{
-	return "";
-}
-
-int system_get_bbram(enum system_bbram_idx idx, uint8_t *value)
-{
-	return EC_ERROR_UNIMPLEMENTED;
-}
-
-int system_set_bbram(enum system_bbram_idx idx, uint8_t value)
-{
-	return EC_ERROR_UNIMPLEMENTED;
-}
-
-enum ec_image system_get_image_copy(void)
-{
-	return __running_copy;
-}
-
-int system_set_scratchpad(uint32_t value)
-{
-	FILE *f = get_persistent_storage("scratchpad", "w");
-
-	fprintf(f, "%u", value);
-	release_persistent_storage(f);
-
-	return EC_SUCCESS;
-}
-
-int system_get_scratchpad(uint32_t *value)
-{
-	FILE *f = get_persistent_storage("scratchpad", "r");
-	int success;
-
-	if (f == NULL)
-		return EC_ERROR_UNKNOWN;
-
-	success = fscanf(f, "%u", value);
-	release_persistent_storage(f);
-
-	if (success)
-		return EC_SUCCESS;
-	else
-		return EC_ERROR_UNKNOWN;
-}
-
-static void __jump_resetvec(void)
-{
-	save_time(get_time());
-	ramdata_set_persistent();
-	emulator_reboot();
-}
-
-static void __ro_jump_resetvec(void)
-{
-	set_image_copy(EC_IMAGE_RO);
-	__jump_resetvec();
-}
-
-static void __rw_jump_resetvec(void)
-{
-	set_image_copy(EC_IMAGE_RW);
-	__jump_resetvec();
-}
-
-void system_pre_init(void)
-{
-	timestamp_t t;
-
-	if (load_time(&t))
-		force_time(t);
-
-	ramdata_get_persistent();
-	__running_copy = get_image_copy();
-	if (__running_copy == EC_IMAGE_UNKNOWN) {
-		__running_copy = EC_IMAGE_RO;
-		system_set_reset_flags(load_reset_flags());
-	}
-
-	*(uintptr_t *)(__host_flash + CONFIG_RO_MEM_OFF + 4) =
-		(uintptr_t)__ro_jump_resetvec;
-	*(uintptr_t *)(__host_flash + CONFIG_RW_MEM_OFF + 4) =
-		(uintptr_t)__rw_jump_resetvec;
-}
diff --git a/chip/host/trng.c b/chip/host/trng.c
deleted file mode 100644
index 8407aa6ea1..0000000000
--- a/chip/host/trng.c
+++ /dev/null
@@ -1,40 +0,0 @@
-
-/* Copyright 2019 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Mock TRNG driver for unit test.
- *
- * Although a TRNG is designed to be anything but predictable,
- * this implementation strives to be as predictable and defined
- * as possible to allow reproducing unit tests and fuzzer crashes.
- */
-
-#ifndef TEST_BUILD
-#error "This fake trng driver must not be used in non-test builds."
-#endif
-
-#include <stdint.h>
-#include <stdlib.h> /* Only valid for host */
-
-#include "common.h"
-
-static unsigned int seed;
-
-test_mockable void init_trng(void)
-{
-	seed = 0;
-	srand(seed);
-}
-
-test_mockable void exit_trng(void)
-{
-}
-
-test_mockable void rand_bytes(void *buffer, size_t len)
-{
-	uint8_t *b, *end;
-
-	for (b = buffer, end = b+len; b != end; b++)
-		*b = (uint8_t)rand_r(&seed);
-}
diff --git a/chip/host/uart.c b/chip/host/uart.c
deleted file mode 100644
index 578924612f..0000000000
--- a/chip/host/uart.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* UART driver for emulator */
-
-#include <pthread.h>
-#include <signal.h>
-#include <stdio.h>
-#include <termio.h>
-#include <unistd.h>
-
-#include "common.h"
-#include "queue.h"
-#include "task.h"
-#include "test_util.h"
-#include "uart.h"
-#include "util.h"
-
-static int stopped = 1;
-static int init_done;
-
-#ifndef TEST_FUZZ
-static pthread_t input_thread;
-#endif
-
-#define INPUT_BUFFER_SIZE 16
-static int char_available;
-
-static struct queue const cached_char = QUEUE_NULL(INPUT_BUFFER_SIZE, char);
-
-#define CONSOLE_CAPTURE_SIZE 2048
-static char capture_buf[CONSOLE_CAPTURE_SIZE];
-static int capture_size;
-static int capture_enabled;
-
-void test_capture_console(int enabled)
-{
-	if (enabled == capture_enabled)
-		return;
-
-	if (enabled)
-		capture_size = 0;
-	else
-		capture_buf[capture_size] = '\0';
-
-	capture_enabled = enabled;
-}
-
-static void test_capture_char(char c)
-{
-	if (capture_size == CONSOLE_CAPTURE_SIZE)
-		return;
-	capture_buf[capture_size++] = c;
-}
-
-
-const char *test_get_captured_console(void)
-{
-	return (const char *)capture_buf;
-}
-
-static void uart_interrupt(void)
-{
-	uart_process_input();
-	uart_process_output();
-}
-
-int uart_init_done(void)
-{
-	return init_done;
-}
-
-void uart_tx_start(void)
-{
-	stopped = 0;
-	task_trigger_test_interrupt(uart_interrupt);
-}
-
-void uart_tx_stop(void)
-{
-	stopped = 1;
-}
-
-int uart_tx_stopped(void)
-{
-	return stopped;
-}
-
-void uart_tx_flush(void)
-{
-	/* Nothing */
-}
-
-int uart_tx_ready(void)
-{
-	return 1;
-}
-
-int uart_rx_available(void)
-{
-	return char_available;
-}
-
-void uart_write_char(char c)
-{
-	if (capture_enabled)
-		test_capture_char(c);
-	printf("%c", c);
-	fflush(stdout);
-}
-
-int uart_read_char(void)
-{
-	char ret;
-	ASSERT(in_interrupt_context());
-	queue_remove_unit(&cached_char, &ret);
-	--char_available;
-	return ret;
-}
-
-void uart_inject_char(char *s, int sz)
-{
-	int i;
-	int num_char;
-
-	for (i = 0; i < sz; i += INPUT_BUFFER_SIZE - 1) {
-		num_char = MIN(INPUT_BUFFER_SIZE - 1, sz - i);
-		if (queue_space(&cached_char) < num_char)
-			return;
-		queue_add_units(&cached_char, s + i, num_char);
-		char_available = num_char;
-		task_trigger_test_interrupt(uart_interrupt);
-	}
-}
-
-/*
- * We do not really need console input when fuzzing, and having it enabled
- * breaks terminal when an error is detected.
- */
-#ifndef TEST_FUZZ
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t uart_monitor_initialized = PTHREAD_COND_INITIALIZER;
-
-void *uart_monitor_stdin(void *d)
-{
-	struct termios org_settings, new_settings;
-	char buf[INPUT_BUFFER_SIZE];
-	int rv;
-
-	pthread_mutex_lock(&mutex);
-	tcgetattr(0, &org_settings);
-	new_settings = org_settings;
-	new_settings.c_lflag &= ~(ECHO | ICANON);
-	new_settings.c_cc[VTIME] = 0;
-	new_settings.c_cc[VMIN] = 1;
-
-	printf("Console input initialized\n");
-	/* Allow uart_init to proceed now that UART monitor is initialized. */
-	pthread_cond_signal(&uart_monitor_initialized);
-	pthread_mutex_unlock(&mutex);
-	while (1) {
-		tcsetattr(0, TCSANOW, &new_settings);
-		rv = read(0, buf, INPUT_BUFFER_SIZE);
-		if (queue_space(&cached_char) >= rv) {
-			queue_add_units(&cached_char, buf, rv);
-			char_available = rv;
-		}
-		tcsetattr(0, TCSANOW, &org_settings);
-		/*
-		 * Trigger emulated interrupt to process input. Keyboard
-		 * input while interrupt handler runs is queued by the
-		 * system.
-		 */
-		task_trigger_test_interrupt(uart_interrupt);
-	}
-
-	return 0;
-}
-#endif /* !TEST_FUZZ */
-
-void uart_init(void)
-{
-#ifndef TEST_FUZZ
-	/* Create UART monitor thread and wait for it to initialize. */
-	pthread_mutex_lock(&mutex);
-	pthread_create(&input_thread, NULL, uart_monitor_stdin, NULL);
-	pthread_cond_wait(&uart_monitor_initialized, &mutex);
-	pthread_mutex_unlock(&mutex);
-#endif
-
-	stopped = 1;  /* Not transmitting yet */
-	init_done = 1;
-}
diff --git a/chip/host/usb_pd_phy.c b/chip/host/usb_pd_phy.c
deleted file mode 100644
index ba81b986ad..0000000000
--- a/chip/host/usb_pd_phy.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/* Copyright 2014 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "common.h"
-#include "console.h"
-#include "crc.h"
-#include "task.h"
-#include "usb_pd.h"
-#include "usb_pd_config.h"
-#include "util.h"
-
-#define PREAMBLE_OFFSET 60 /* Any number should do */
-
-/*
- * Maximum size of a Power Delivery packet (in bits on the wire) :
- *    16-bit header + 0..7 32-bit data objects  (+ 4b5b encoding)
- * 64-bit preamble + SOP (4x 5b) + message in 4b5b + 32-bit CRC + EOP (1x 5b)
- * = 64 + 4*5 + 16 * 5/4 + 7 * 32 * 5/4 + 32 * 5/4 + 5
- */
-#define PD_BIT_LEN 429
-
-static struct pd_physical {
-	int hw_init_done;
-
-	uint8_t bits[PD_BIT_LEN];
-	int total;
-	int has_preamble;
-	int rx_started;
-	int rx_monitoring;
-
-	int preamble_written;
-	int has_msg;
-	int last_edge_written;
-	uint8_t out_msg[PD_BIT_LEN / 5];
-	int verified_idx;
-} pd_phy[CONFIG_USB_PD_PORT_MAX_COUNT];
-
-static const uint16_t enc4b5b[] = {
-	0x1E, 0x09, 0x14, 0x15, 0x0A, 0x0B, 0x0E, 0x0F, 0x12, 0x13, 0x16,
-	0x17, 0x1A, 0x1B, 0x1C, 0x1D};
-
-/* Test utilities */
-static void pd_test_reset_phy(int port)
-{
-	int i;
-	int enc_len = PD_BIT_LEN / 5;
-
-	for (i = 0; i < PD_BIT_LEN; i++)
-		pd_phy[port].bits[i] = 0;
-
-	for (i = 0; i < enc_len; i++)
-		pd_phy[port].out_msg[i] = 0;
-
-	pd_phy[port].total = 0;
-	pd_phy[port].has_preamble = 0;
-	pd_phy[port].rx_started = 0;
-	pd_phy[port].rx_monitoring = 0;
-	pd_phy[port].preamble_written = 0;
-	pd_phy[port].has_msg = 0;
-	pd_phy[port].last_edge_written = 0;
-	pd_phy[port].verified_idx = 0;
-}
-
-void pd_test_rx_set_preamble(int port, int has_preamble)
-{
-	pd_phy[port].total = 0;
-	pd_phy[port].has_preamble = has_preamble;
-}
-
-void pd_test_rx_msg_append_bits(int port, uint32_t bits, int nb)
-{
-	int i;
-
-	for (i = 0; i < nb; ++i) {
-		pd_phy[port].bits[pd_phy[port].total++] = bits & 1;
-		bits >>= 1;
-	}
-}
-
-void pd_test_rx_msg_append_kcode(int port, uint8_t kcode)
-{
-	pd_test_rx_msg_append_bits(port, kcode, 5);
-}
-
-void pd_test_rx_msg_append_sop(int port)
-{
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC2);
-}
-
-void pd_test_rx_msg_append_sop_prime(int port)
-{
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC3);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC3);
-}
-
-void pd_test_rx_msg_append_sop_prime_prime(int port)
-{
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC3);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC3);
-}
-
-void pd_test_rx_msg_append_eop(int port)
-{
-	pd_test_rx_msg_append_kcode(port, PD_EOP);
-}
-
-void pd_test_rx_msg_append_last_edge(int port)
-{
-	/* end with 1, 1, 0 similar to pd_write_last_edge() */
-	pd_test_rx_msg_append_bits(port, 3, 6);
-}
-
-void pd_test_rx_msg_append_4b(int port, uint8_t val)
-{
-	pd_test_rx_msg_append_bits(port, enc4b5b[val & 0xF], 5);
-}
-
-void pd_test_rx_msg_append_short(int port, uint16_t val)
-{
-	pd_test_rx_msg_append_4b(port, (val >> 0) & 0xF);
-	pd_test_rx_msg_append_4b(port, (val >> 4) & 0xF);
-	pd_test_rx_msg_append_4b(port, (val >> 8) & 0xF);
-	pd_test_rx_msg_append_4b(port, (val >> 12) & 0xF);
-}
-
-void pd_test_rx_msg_append_word(int port, uint32_t val)
-{
-	pd_test_rx_msg_append_short(port, val & 0xFFFF);
-	pd_test_rx_msg_append_short(port, val >> 16);
-}
-
-void pd_simulate_rx(int port)
-{
-	if (!pd_phy[port].rx_monitoring)
-		return;
-
-	pd_phy[port].rx_started = 1;
-	pd_rx_disable_monitoring(port);
-	pd_rx_event(port);
-}
-
-static int pd_test_tx_msg_verify(int port, uint8_t raw)
-{
-	int verified_idx = pd_phy[port].verified_idx++;
-	return pd_phy[port].out_msg[verified_idx] == raw;
-}
-
-int pd_test_tx_msg_verify_kcode(int port, uint8_t kcode)
-{
-	return pd_test_tx_msg_verify(port, kcode);
-}
-
-int pd_test_tx_msg_verify_sop(int port)
-{
-	crc32_init();
-	return pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC2);
-}
-
-int pd_test_tx_msg_verify_sop_prime(int port)
-{
-	crc32_init();
-	return pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC3) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC3);
-}
-
-int pd_test_tx_msg_verify_sop_prime_prime(int port)
-{
-	crc32_init();
-	return pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC3) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC3);
-}
-
-int pd_test_tx_msg_verify_eop(int port)
-{
-	return pd_test_tx_msg_verify_kcode(port, PD_EOP);
-}
-
-int pd_test_tx_msg_verify_4b5b(int port, uint8_t b4)
-{
-	return pd_test_tx_msg_verify(port, enc4b5b[b4]);
-}
-
-int pd_test_tx_msg_verify_short(int port, uint16_t val)
-{
-	crc32_hash16(val);
-	return pd_test_tx_msg_verify_4b5b(port, (val >> 0) & 0xF) &&
-	       pd_test_tx_msg_verify_4b5b(port, (val >> 4) & 0xF) &&
-	       pd_test_tx_msg_verify_4b5b(port, (val >> 8) & 0xF) &&
-	       pd_test_tx_msg_verify_4b5b(port, (val >> 12) & 0xF);
-}
-
-int pd_test_tx_msg_verify_word(int port, uint32_t val)
-{
-	return pd_test_tx_msg_verify_short(port, val & 0xFFFF) &&
-	       pd_test_tx_msg_verify_short(port, val >> 16);
-}
-
-int pd_test_tx_msg_verify_crc(int port)
-{
-	return pd_test_tx_msg_verify_word(port, crc32_result());
-}
-
-
-/* Mock functions */
-
-void pd_init_dequeue(int port)
-{
-}
-
-int pd_dequeue_bits(int port, int off, int len, uint32_t *val)
-{
-	int i;
-
-	/* Rx must have started to receive message */
-	ASSERT(pd_phy[port].rx_started);
-
-	if (pd_phy[port].total <= off + len - PREAMBLE_OFFSET)
-		return -1;
-	*val = 0;
-	for (i = 0; i < len; ++i)
-		*val |= pd_phy[port].bits[off + i - PREAMBLE_OFFSET] << i;
-	return off + len;
-}
-
-int pd_find_preamble(int port)
-{
-	return pd_phy[port].has_preamble ? PREAMBLE_OFFSET : -1;
-}
-
-int pd_write_preamble(int port)
-{
-	ASSERT(pd_phy[port].preamble_written == 0);
-	pd_phy[port].preamble_written = 1;
-	ASSERT(pd_phy[port].has_msg == 0);
-	return 0;
-}
-
-static uint8_t decode_bmc(uint32_t val10)
-{
-	uint8_t ret = 0;
-	int i;
-
-	for (i = 0; i < 5; ++i)
-		if (!!(val10 & (1 << (2 * i))) !=
-		    !!(val10 & (1 << (2 * i + 1))))
-			ret |= BIT(i);
-	return ret;
-}
-
-int pd_write_sym(int port, int bit_off, uint32_t val10)
-{
-	pd_phy[port].out_msg[bit_off] = decode_bmc(val10);
-	pd_phy[port].has_msg = 1;
-	return bit_off + 1;
-}
-
-int pd_write_last_edge(int port, int bit_off)
-{
-	pd_phy[port].last_edge_written = 1;
-	return bit_off;
-}
-
-void pd_dump_packet(int port, const char *msg)
-{
-	/* Not implemented */
-}
-
-void pd_tx_set_circular_mode(int port)
-{
-	/* Not implemented */
-}
-
-void pd_tx_clear_circular_mode(int port)
-{
-	/* Not implemented */
-}
-
-int pd_start_tx(int port, int polarity, int bit_len)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_phy[port].has_msg = 0;
-	pd_phy[port].preamble_written = 0;
-	pd_phy[port].verified_idx = 0;
-	pd_phy[port].total = 0;
-
-	/*
-	 * Hand over to test runner. The test runner must wake us after
-	 * processing the packet.
-	 */
-	task_wake(TASK_ID_TEST_RUNNER);
-	task_wait_event(-1);
-
-	return bit_len;
-}
-
-void pd_tx_done(int port, int polarity)
-{
-	pd_test_reset_phy(port);
-}
-
-void pd_rx_start(int port)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-
-	task_wake(TASK_ID_TEST_RUNNER);
-	task_wait_event(-1);
-
-	pd_phy[port].rx_started = 1;
-}
-
-void pd_rx_complete(int port)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_test_reset_phy(port);
-}
-
-int pd_rx_started(int port)
-{
-	return pd_phy[port].rx_started;
-}
-
-void pd_rx_enable_monitoring(int port)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_phy[port].rx_monitoring = 1;
-}
-
-void pd_rx_disable_monitoring(int port)
-{
-	/*
-	 * We disabled RX monitoring in TCPMv1 in set_state when
-	 * transitioning from suspended to disconnected, but we only
-	 * reinitialize after we have fully transitioned to disconnected. Don't
-	 * assert that hw_init_done here since we have "valid" code that
-	 * requires hw_init_done to be false when a port is suspended.
-	 */
-	pd_phy[port].rx_monitoring = 0;
-}
-
-void pd_hw_release(int port)
-{
-	pd_phy[port].hw_init_done = 0;
-}
-
-void pd_hw_init(int port, enum pd_power_role role)
-{
-	pd_config_init(port, role);
-	pd_phy[port].hw_init_done = 1;
-}
-
-void pd_set_clock(int port, int freq)
-{
-	/* Not implemented */
-}