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d3c938b85d
Adds two helpers that are not used yet. They will be used in the next CL to unify the bootloaders in use in build_image. TEST=used in the next CL but otherwise not called. BUG=chromium-os:327 Review URL: http://codereview.chromium.org/2829039
35 lines
930 B
Bash
Executable File
35 lines
930 B
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Creates an empty ESP image.
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. "$(dirname "$0")/common.sh"
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get_default_board
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# Flags.
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DEFINE_string to "/tmp/esp.img" \
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"Path to esp image (Default: /tmp/esp.img)"
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# Parse flags
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FLAGS "$@" || exit 1
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eval set -- "${FLAGS_ARGV}"
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set -e
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if [[ -e "${FLAGS_to}" ]]; then
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info "ESP already exists: ${FLAGS_to}"
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exit 0
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fi
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info "Creating a new esp image at ${FLAGS_to}" anyway.
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# Create EFI System Partition to boot stock EFI BIOS (but not ChromeOS EFI
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# BIOS). We only need this for x86, but it's simpler and safer to keep the
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# disk images the same for both x86 and ARM.
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# NOTE: The size argument for mkfs.vfat is in 1024-byte blocks.
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# We'll hard-code it to 16M for now.
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ESP_BLOCKS=16384
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/usr/sbin/mkfs.vfat -C "${FLAGS_to}" ${ESP_BLOCKS}
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