1 files changed, 0 insertions, 392 deletions
diff --git a/qemu/roms/u-boot/arch/sandbox/cpu/state.c b/qemu/roms/u-boot/arch/sandbox/cpu/state.c
deleted file mode 100644
index 59adad653..000000000
--- a/qemu/roms/u-boot/arch/sandbox/cpu/state.c
+++ /dev/null
@@ -1,392 +0,0 @@
-/*
- * Copyright (c) 2011-2012 The Chromium OS Authors.
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <errno.h>
-#include <fdtdec.h>
-#include <os.h>
-#include <asm/state.h>
-
-/* Main state record for the sandbox */
-static struct sandbox_state main_state;
-static struct sandbox_state *state;	/* Pointer to current state record */
-
-void state_record_exit(enum exit_type_id exit_type)
-{
-	state->exit_type = exit_type;
-}
-
-static int state_ensure_space(int extra_size)
-{
-	void *blob = state->state_fdt;
-	int used, size, free;
-	void *buf;
-	int ret;
-
-	used = fdt_off_dt_strings(blob) + fdt_size_dt_strings(blob);
-	size = fdt_totalsize(blob);
-	free = size - used;
-	if (free > extra_size)
-		return 0;
-
-	size = used + extra_size;
-	buf = os_malloc(size);
-	if (!buf)
-		return -ENOMEM;
-
-	ret = fdt_open_into(blob, buf, size);
-	if (ret) {
-		os_free(buf);
-		return -EIO;
-	}
-
-	os_free(blob);
-	state->state_fdt = buf;
-	return 0;
-}
-
-static int state_read_file(struct sandbox_state *state, const char *fname)
-{
-	int size;
-	int ret;
-	int fd;
-
-	size = os_get_filesize(fname);
-	if (size < 0) {
-		printf("Cannot find sandbox state file '%s'\n", fname);
-		return -ENOENT;
-	}
-	state->state_fdt = os_malloc(size);
-	if (!state->state_fdt) {
-		puts("No memory to read sandbox state\n");
-		return -ENOMEM;
-	}
-	fd = os_open(fname, OS_O_RDONLY);
-	if (fd < 0) {
-		printf("Cannot open sandbox state file '%s'\n", fname);
-		ret = -EPERM;
-		goto err_open;
-	}
-	if (os_read(fd, state->state_fdt, size) != size) {
-		printf("Cannot read sandbox state file '%s'\n", fname);
-		ret = -EIO;
-		goto err_read;
-	}
-	os_close(fd);
-
-	return 0;
-err_read:
-	os_close(fd);
-err_open:
-	os_free(state->state_fdt);
-	state->state_fdt = NULL;
-
-	return ret;
-}
-
-/***
- * sandbox_read_state_nodes() - Read state associated with a driver
- *
- * This looks through all compatible nodes and calls the read function on
- * each one, to read in the state.
- *
- * If nothing is found, it still calls the read function once, to set up a
- * single global state for that driver.
- *
- * @state: Sandbox state
- * @io: Method to use for reading state
- * @blob: FDT containing state
- * @return 0 if OK, -EINVAL if the read function returned failure
- */
-int sandbox_read_state_nodes(struct sandbox_state *state,
-			     struct sandbox_state_io *io, const void *blob)
-{
-	int count;
-	int node;
-	int ret;
-
-	debug("   - read %s\n", io->name);
-	if (!io->read)
-		return 0;
-
-	node = -1;
-	count = 0;
-	while (blob) {
-		node = fdt_node_offset_by_compatible(blob, node, io->compat);
-		if (node < 0)
-			return 0;	/* No more */
-		debug("   - read node '%s'\n", fdt_get_name(blob, node, NULL));
-		ret = io->read(blob, node);
-		if (ret) {
-			printf("Unable to read state for '%s'\n", io->compat);
-			return -EINVAL;
-		}
-		count++;
-	}
-
-	/*
-	 * If we got no saved state, call the read function once without a
-	 * node, to set up the global state.
-	 */
-	if (count == 0) {
-		debug("   - read global\n");
-		ret = io->read(NULL, -1);
-		if (ret) {
-			printf("Unable to read global state for '%s'\n",
-			       io->name);
-			return -EINVAL;
-		}
-	}
-
-	return 0;
-}
-
-int sandbox_read_state(struct sandbox_state *state, const char *fname)
-{
-	struct sandbox_state_io *io;
-	const void *blob;
-	bool got_err;
-	int ret;
-
-	if (state->read_state && fname) {
-		ret = state_read_file(state, fname);
-		if (ret == -ENOENT && state->ignore_missing_state_on_read)
-			ret = 0;
-		if (ret)
-			return ret;
-	}
-
-	/* Call all the state read funtcions */
-	got_err = false;
-	blob = state->state_fdt;
-	io = ll_entry_start(struct sandbox_state_io, state_io);
-	for (; io < ll_entry_end(struct sandbox_state_io, state_io); io++) {
-		ret = sandbox_read_state_nodes(state, io, blob);
-		if (ret < 0)
-			got_err = true;
-	}
-
-	if (state->read_state && fname) {
-		debug("Read sandbox state from '%s'%s\n", fname,
-		      got_err ? " (with errors)" : "");
-	}
-
-	return got_err ? -1 : 0;
-}
-
-/***
- * sandbox_write_state_node() - Write state associated with a driver
- *
- * This calls the write function to write out global state for that driver.
- *
- * TODO(sjg@chromium.org): Support writing out state from multiple drivers
- * of the same time. We don't need this yet,and it will be much easier to
- * do when driver model is available.
- *
- * @state: Sandbox state
- * @io: Method to use for writing state
- * @return 0 if OK, -EIO if there is a fatal error (such as out of space
- * for adding the data), -EINVAL if the write function failed.
- */
-int sandbox_write_state_node(struct sandbox_state *state,
-			     struct sandbox_state_io *io)
-{
-	void *blob;
-	int node;
-	int ret;
-
-	if (!io->write)
-		return 0;
-
-	ret = state_ensure_space(SANDBOX_STATE_MIN_SPACE);
-	if (ret) {
-		printf("Failed to add more space for state\n");
-		return -EIO;
-	}
-
-	/* The blob location can change when the size increases */
-	blob = state->state_fdt;
-	node = fdt_node_offset_by_compatible(blob, -1, io->compat);
-	if (node == -FDT_ERR_NOTFOUND) {
-		node = fdt_add_subnode(blob, 0, io->name);
-		if (node < 0) {
-			printf("Cannot create node '%s': %s\n", io->name,
-			       fdt_strerror(node));
-			return -EIO;
-		}
-
-		if (fdt_setprop_string(blob, node, "compatible", io->compat)) {
-			puts("Cannot set compatible\n");
-			return -EIO;
-		}
-	} else if (node < 0) {
-		printf("Cannot access node '%s': %s\n", io->name,
-		       fdt_strerror(node));
-		return -EIO;
-	}
-	debug("Write state for '%s' to node %d\n", io->compat, node);
-	ret = io->write(blob, node);
-	if (ret) {
-		printf("Unable to write state for '%s'\n", io->compat);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-int sandbox_write_state(struct sandbox_state *state, const char *fname)
-{
-	struct sandbox_state_io *io;
-	bool got_err;
-	int size;
-	int ret;
-	int fd;
-
-	/* Create a state FDT if we don't have one */
-	if (!state->state_fdt) {
-		size = 0x4000;
-		state->state_fdt = os_malloc(size);
-		if (!state->state_fdt) {
-			puts("No memory to create FDT\n");
-			return -ENOMEM;
-		}
-		ret = fdt_create_empty_tree(state->state_fdt, size);
-		if (ret < 0) {
-			printf("Cannot create empty state FDT: %s\n",
-			       fdt_strerror(ret));
-			ret = -EIO;
-			goto err_create;
-		}
-	}
-
-	/* Call all the state write funtcions */
-	got_err = false;
-	io = ll_entry_start(struct sandbox_state_io, state_io);
-	ret = 0;
-	for (; io < ll_entry_end(struct sandbox_state_io, state_io); io++) {
-		ret = sandbox_write_state_node(state, io);
-		if (ret == -EIO)
-			break;
-		else if (ret)
-			got_err = true;
-	}
-
-	if (ret == -EIO) {
-		printf("Could not write sandbox state\n");
-		goto err_create;
-	}
-
-	ret = fdt_pack(state->state_fdt);
-	if (ret < 0) {
-		printf("Cannot pack state FDT: %s\n", fdt_strerror(ret));
-		ret = -EINVAL;
-		goto err_create;
-	}
-	size = fdt_totalsize(state->state_fdt);
-	fd = os_open(fname, OS_O_WRONLY | OS_O_CREAT);
-	if (fd < 0) {
-		printf("Cannot open sandbox state file '%s'\n", fname);
-		ret = -EIO;
-		goto err_create;
-	}
-	if (os_write(fd, state->state_fdt, size) != size) {
-		printf("Cannot write sandbox state file '%s'\n", fname);
-		ret = -EIO;
-		goto err_write;
-	}
-	os_close(fd);
-
-	debug("Wrote sandbox state to '%s'%s\n", fname,
-	      got_err ? " (with errors)" : "");
-
-	return 0;
-err_write:
-	os_close(fd);
-err_create:
-	os_free(state->state_fdt);
-
-	return ret;
-}
-
-int state_setprop(int node, const char *prop_name, const void *data, int size)
-{
-	void *blob;
-	int len;
-	int ret;
-
-	fdt_getprop(state->state_fdt, node, prop_name, &len);
-
-	/* Add space for the new property, its name and some overhead */
-	ret = state_ensure_space(size - len + strlen(prop_name) + 32);
-	if (ret)
-		return ret;
-
-	/* This should succeed, barring a mutiny */
-	blob = state->state_fdt;
-	ret = fdt_setprop(blob, node, prop_name, data, size);
-	if (ret) {
-		printf("%s: Unable to set property '%s' in node '%s': %s\n",
-		       __func__, prop_name, fdt_get_name(blob, node, NULL),
-			fdt_strerror(ret));
-		return -ENOSPC;
-	}
-
-	return 0;
-}
-
-struct sandbox_state *state_get_current(void)
-{
-	assert(state);
-	return state;
-}
-
-int state_init(void)
-{
-	state = &main_state;
-
-	state->ram_size = CONFIG_SYS_SDRAM_SIZE;
-	state->ram_buf = os_malloc(state->ram_size);
-	assert(state->ram_buf);
-
-	/*
-	 * Example of how to use GPIOs:
-	 *
-	 * sandbox_gpio_set_direction(170, 0);
-	 * sandbox_gpio_set_value(170, 0);
-	 */
-	return 0;
-}
-
-int state_uninit(void)
-{
-	int err;
-
-	state = &main_state;
-
-	if (state->write_ram_buf && !state->ram_buf_rm) {
-		err = os_write_ram_buf(state->ram_buf_fname);
-		if (err) {
-			printf("Failed to write RAM buffer\n");
-			return err;
-		}
-	}
-
-	if (state->write_state) {
-		if (sandbox_write_state(state, state->state_fname)) {
-			printf("Failed to write sandbox state\n");
-			return -1;
-		}
-	}
-
-	/* Delete this at the last moment so as not to upset gdb too much */
-	if (state->jumped_fname)
-		os_unlink(state->jumped_fname);
-
-	if (state->state_fdt)
-		os_free(state->state_fdt);
-	memset(state, '\0', sizeof(*state));
-
-	return 0;
-}