mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-18 13:11:31 +00:00
efi_selftest: provide a test for block io
This test checks the driver for block IO devices. A disk image is created in memory. A handle is created for the new block IO device. The block I/O protocol is installed on the handle. ConnectController is used to setup partitions and to install the simple file protocol. A known file is read from the file system and verified. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
parent
05ef48a248
commit
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3 changed files with 467 additions and 0 deletions
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@ -25,6 +25,9 @@ efi_selftest_tpl.o \
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efi_selftest_util.o \
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efi_selftest_watchdog.o
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ifeq ($(CONFIG_BLK)$(CONFIG_PARTITIONS),yy)
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obj-$(CONFIG_CMD_BOOTEFI_SELFTEST) += efi_selftest_block_device.o
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endif
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# TODO: As of v2018.01 the relocation code for the EFI application cannot
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# be built on x86_64.
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395
lib/efi_selftest/efi_selftest_block_device.c
Normal file
395
lib/efi_selftest/efi_selftest_block_device.c
Normal file
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@ -0,0 +1,395 @@
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/*
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* efi_selftest_block
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*
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* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* This test checks the driver for block IO devices.
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* A disk image is created in memory.
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* A handle is created for the new block IO device.
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* The block I/O protocol is installed on the handle.
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* ConnectController is used to setup partitions and to install the simple
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* file protocol.
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* A known file is read from the file system and verified.
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*/
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#include <efi_selftest.h>
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#include "efi_selftest_disk_image.h"
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/* Block size of compressed disk image */
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#define COMPRESSED_DISK_IMAGE_BLOCK_SIZE 8
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/* Binary logarithm of the block size */
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#define LB_BLOCK_SIZE 9
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static struct efi_boot_services *boottime;
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static const efi_guid_t block_io_protocol_guid = BLOCK_IO_GUID;
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static const efi_guid_t guid_device_path = DEVICE_PATH_GUID;
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static const efi_guid_t guid_simple_file_system_protocol =
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EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID;
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static efi_guid_t guid_vendor =
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EFI_GUID(0xdbca4c98, 0x6cb0, 0x694d,
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0x08, 0x72, 0x81, 0x9c, 0x65, 0x0c, 0xb7, 0xb8);
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static struct efi_device_path *dp;
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/* One 8 byte block of the compressed disk image */
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struct line {
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size_t addr;
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char *line;
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};
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/* Compressed disk image */
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struct compressed_disk_image {
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size_t length;
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struct line lines[];
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};
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static const struct compressed_disk_image img = EFI_ST_DISK_IMG;
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/* Decompressed disk image */
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static u8 *image;
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/*
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* Reset service of the block IO protocol.
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*
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* @this block IO protocol
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* @return status code
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*/
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static efi_status_t EFIAPI reset(
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struct efi_block_io *this,
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char extended_verification)
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{
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return EFI_SUCCESS;
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}
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/*
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* Read service of the block IO protocol.
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*
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* @this block IO protocol
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* @media_id media id
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* @lba start of the read in logical blocks
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* @buffer_size number of bytes to read
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* @buffer target buffer
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* @return status code
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*/
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static efi_status_t EFIAPI read_blocks(
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struct efi_block_io *this, u32 media_id, u64 lba,
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efi_uintn_t buffer_size, void *buffer)
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{
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u8 *start;
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if ((lba << LB_BLOCK_SIZE) + buffer_size > img.length)
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return EFI_INVALID_PARAMETER;
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start = image + (lba << LB_BLOCK_SIZE);
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boottime->copy_mem(buffer, start, buffer_size);
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return EFI_SUCCESS;
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}
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/*
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* Write service of the block IO protocol.
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*
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* @this block IO protocol
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* @media_id media id
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* @lba start of the write in logical blocks
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* @buffer_size number of bytes to read
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* @buffer source buffer
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* @return status code
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*/
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static efi_status_t EFIAPI write_blocks(
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struct efi_block_io *this, u32 media_id, u64 lba,
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efi_uintn_t buffer_size, void *buffer)
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{
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u8 *start;
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if ((lba << LB_BLOCK_SIZE) + buffer_size > img.length)
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return EFI_INVALID_PARAMETER;
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start = image + (lba << LB_BLOCK_SIZE);
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boottime->copy_mem(start, buffer, buffer_size);
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return EFI_SUCCESS;
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}
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/*
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* Flush service of the block IO protocol.
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*
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* @this block IO protocol
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* @return status code
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*/
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static efi_status_t EFIAPI flush_blocks(struct efi_block_io *this)
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{
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return EFI_SUCCESS;
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}
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/*
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* Decompress the disk image.
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*
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* @image decompressed disk image
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* @return status code
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*/
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static efi_status_t decompress(u8 **image)
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{
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u8 *buf;
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size_t i;
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size_t addr;
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size_t len;
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efi_status_t ret;
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ret = boottime->allocate_pool(EFI_LOADER_DATA, img.length,
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(void **)&buf);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Out of memory\n");
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return ret;
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}
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boottime->set_mem(buf, img.length, 0);
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for (i = 0; ; ++i) {
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if (!img.lines[i].line)
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break;
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addr = img.lines[i].addr;
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len = COMPRESSED_DISK_IMAGE_BLOCK_SIZE;
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if (addr + len > img.length)
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len = img.length - addr;
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boottime->copy_mem(buf + addr, img.lines[i].line, len);
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}
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*image = buf;
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return ret;
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}
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static struct efi_block_io_media media;
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static struct efi_block_io block_io = {
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.media = &media,
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.reset = reset,
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.read_blocks = read_blocks,
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.write_blocks = write_blocks,
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.flush_blocks = flush_blocks,
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};
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/* Handle for the block IO device */
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static efi_handle_t disk_handle;
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/*
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* Setup unit test.
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*
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* @handle: handle of the loaded image
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* @systable: system table
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* @return: EFI_ST_SUCCESS for success
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*/
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static int setup(const efi_handle_t handle,
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const struct efi_system_table *systable)
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{
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efi_status_t ret;
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struct efi_device_path_vendor vendor_node;
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struct efi_device_path end_node;
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boottime = systable->boottime;
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decompress(&image);
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block_io.media->block_size = 1 << LB_BLOCK_SIZE;
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block_io.media->last_block = img.length >> LB_BLOCK_SIZE;
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ret = boottime->install_protocol_interface(
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&disk_handle, &block_io_protocol_guid,
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EFI_NATIVE_INTERFACE, &block_io);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to install block I/O protocol\n");
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return EFI_ST_FAILURE;
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}
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ret = boottime->allocate_pool(EFI_LOADER_DATA,
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sizeof(struct efi_device_path_vendor) +
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sizeof(struct efi_device_path),
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(void **)&dp);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Out of memory\n");
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return EFI_ST_FAILURE;
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}
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vendor_node.dp.type = DEVICE_PATH_TYPE_HARDWARE_DEVICE;
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vendor_node.dp.sub_type = DEVICE_PATH_SUB_TYPE_VENDOR;
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vendor_node.dp.length = sizeof(struct efi_device_path_vendor);
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boottime->copy_mem(&vendor_node.guid, &guid_vendor,
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sizeof(efi_guid_t));
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boottime->copy_mem(dp, &vendor_node,
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sizeof(struct efi_device_path_vendor));
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end_node.type = DEVICE_PATH_TYPE_END;
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end_node.sub_type = DEVICE_PATH_SUB_TYPE_END;
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end_node.length = sizeof(struct efi_device_path);
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boottime->copy_mem((char *)dp + sizeof(struct efi_device_path_vendor),
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&end_node, sizeof(struct efi_device_path));
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ret = boottime->install_protocol_interface(&disk_handle,
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&guid_device_path,
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EFI_NATIVE_INTERFACE,
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dp);
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if (ret != EFI_SUCCESS) {
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efi_st_error("InstallProtocolInterface failed\n");
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return EFI_ST_FAILURE;
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}
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return EFI_ST_SUCCESS;
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}
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/*
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* Tear down unit test.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int teardown(void)
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{
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efi_status_t r = EFI_ST_SUCCESS;
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if (disk_handle) {
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r = boottime->uninstall_protocol_interface(disk_handle,
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&guid_device_path,
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dp);
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if (r != EFI_SUCCESS) {
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efi_st_error("Uninstall device path failed\n");
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return EFI_ST_FAILURE;
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}
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r = boottime->uninstall_protocol_interface(
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disk_handle, &block_io_protocol_guid,
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&block_io);
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if (r != EFI_SUCCESS) {
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efi_st_todo(
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"Failed to uninstall block I/O protocol\n");
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return EFI_ST_SUCCESS;
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}
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}
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if (image) {
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r = efi_free_pool(image);
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if (r != EFI_SUCCESS) {
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efi_st_error("Failed to free image\n");
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return EFI_ST_FAILURE;
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}
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}
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return r;
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}
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/*
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* Get length of device path without end tag.
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*
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* @dp device path
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* @return length of device path in bytes
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*/
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static efi_uintn_t dp_size(struct efi_device_path *dp)
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{
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struct efi_device_path *pos = dp;
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while (pos->type != DEVICE_PATH_TYPE_END)
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pos = (struct efi_device_path *)((char *)pos + pos->length);
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return (char *)pos - (char *)dp;
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}
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/*
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* Execute unit test.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int execute(void)
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{
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efi_status_t ret;
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efi_uintn_t no_handles, i, len;
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efi_handle_t *handles;
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efi_handle_t handle_partition = NULL;
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struct efi_device_path *dp_partition;
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struct efi_simple_file_system_protocol *file_system;
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struct efi_file_handle *root, *file;
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u64 buf_size;
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char buf[16] __aligned(ARCH_DMA_MINALIGN);
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ret = boottime->connect_controller(disk_handle, NULL, NULL, 1);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to connect controller\n");
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return EFI_ST_FAILURE;
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}
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ret = boottime->locate_handle_buffer(
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BY_PROTOCOL, &guid_device_path, NULL,
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&no_handles, &handles);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to locate handles\n");
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return EFI_ST_FAILURE;
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}
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len = dp_size(dp);
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for (i = 0; i < no_handles; ++i) {
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ret = boottime->open_protocol(handles[i], &guid_device_path,
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(void **)&dp_partition,
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NULL, NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to open device path protocol\n");
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return EFI_ST_FAILURE;
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}
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if (len >= dp_size(dp_partition))
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continue;
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if (efi_st_memcmp(dp, dp_partition, len))
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continue;
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handle_partition = handles[i];
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break;
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}
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ret = boottime->free_pool(handles);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to free pool memory\n");
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return EFI_ST_FAILURE;
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}
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if (!handle_partition) {
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efi_st_error("Partition handle not found\n");
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return EFI_ST_FAILURE;
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}
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ret = boottime->open_protocol(handle_partition,
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&guid_simple_file_system_protocol,
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(void **)&file_system, NULL, NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to open simple file system protocol\n");
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return EFI_ST_FAILURE;
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}
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ret = file_system->open_volume(file_system, &root);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to open volume\n");
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return EFI_ST_FAILURE;
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}
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ret = root->open(root, &file, (s16 *)L"hello.txt", EFI_FILE_MODE_READ,
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0);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to open file\n");
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return EFI_ST_FAILURE;
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}
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buf_size = sizeof(buf) - 1;
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ret = file->read(file, &buf_size, buf);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to read file\n");
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return EFI_ST_FAILURE;
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}
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if (efi_st_memcmp(buf, "Hello world!", 12)) {
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efi_st_error("Unexpected file content\n");
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return EFI_ST_FAILURE;
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}
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ret = file->close(file);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to close file\n");
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return EFI_ST_FAILURE;
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}
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ret = root->close(root);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to close volume\n");
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return EFI_ST_FAILURE;
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}
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return EFI_ST_SUCCESS;
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}
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EFI_UNIT_TEST(blkdev) = {
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.name = "block device",
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.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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.teardown = teardown,
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};
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69
lib/efi_selftest/efi_selftest_disk_image.h
Normal file
69
lib/efi_selftest/efi_selftest_disk_image.h
Normal file
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/*
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* Non-zero 8 byte strings of a disk image
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*
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* Generated with tools/file2include
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#define EFI_ST_DISK_IMG { 0x00010000, { \
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{0x000001b8, "\x94\x37\x69\xfc\x00\x00\x00\x00"}, /* .7i..... */ \
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{0x000001c0, "\x02\x00\x83\x02\x02\x00\x01\x00"}, /* ........ */ \
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{0x000001c8, "\x00\x00\x7f\x00\x00\x00\x00\x00"}, /* ........ */ \
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{0x000001f8, "\x00\x00\x00\x00\x00\x00\x55\xaa"}, /* ......U. */ \
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{0x00000200, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e"}, /* .<.mkfs. */ \
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{0x00000208, "\x66\x61\x74\x00\x02\x04\x01\x00"}, /* fat..... */ \
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{0x00000210, "\x02\x00\x02\x7f\x00\xf8\x01\x00"}, /* ........ */ \
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{0x00000218, "\x20\x00\x40\x00\x00\x00\x00\x00"}, /* .@..... */ \
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{0x00000220, "\x00\x00\x00\x00\x80\x00\x29\x86"}, /* ......). */ \
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{0x00000228, "\xe8\x82\x80\x4e\x4f\x20\x4e\x41"}, /* ...NO NA */ \
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{0x00000230, "\x4d\x45\x20\x20\x20\x20\x46\x41"}, /* ME FA */ \
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{0x00000238, "\x54\x31\x32\x20\x20\x20\x0e\x1f"}, /* T12 .. */ \
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{0x00000240, "\xbe\x5b\x7c\xac\x22\xc0\x74\x0b"}, /* .[|.".t. */ \
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{0x00000248, "\x56\xb4\x0e\xbb\x07\x00\xcd\x10"}, /* V....... */ \
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{0x00000250, "\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd"}, /* ^..2.... */ \
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{0x00000258, "\x19\xeb\xfe\x54\x68\x69\x73\x20"}, /* ...This */ \
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{0x00000260, "\x69\x73\x20\x6e\x6f\x74\x20\x61"}, /* is not a */ \
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{0x00000268, "\x20\x62\x6f\x6f\x74\x61\x62\x6c"}, /* bootabl */ \
|
||||
{0x00000270, "\x65\x20\x64\x69\x73\x6b\x2e\x20"}, /* e disk. */ \
|
||||
{0x00000278, "\x20\x50\x6c\x65\x61\x73\x65\x20"}, /* Please */ \
|
||||
{0x00000280, "\x69\x6e\x73\x65\x72\x74\x20\x61"}, /* insert a */ \
|
||||
{0x00000288, "\x20\x62\x6f\x6f\x74\x61\x62\x6c"}, /* bootabl */ \
|
||||
{0x00000290, "\x65\x20\x66\x6c\x6f\x70\x70\x79"}, /* e floppy */ \
|
||||
{0x00000298, "\x20\x61\x6e\x64\x0d\x0a\x70\x72"}, /* and..pr */ \
|
||||
{0x000002a0, "\x65\x73\x73\x20\x61\x6e\x79\x20"}, /* ess any */ \
|
||||
{0x000002a8, "\x6b\x65\x79\x20\x74\x6f\x20\x74"}, /* key to t */ \
|
||||
{0x000002b0, "\x72\x79\x20\x61\x67\x61\x69\x6e"}, /* ry again */ \
|
||||
{0x000002b8, "\x20\x2e\x2e\x2e\x20\x0d\x0a\x00"}, /* ... ... */ \
|
||||
{0x000003f8, "\x00\x00\x00\x00\x00\x00\x55\xaa"}, /* ......U. */ \
|
||||
{0x00000400, "\xf8\xff\xff\x00\x00\x00\x00\xf0"}, /* ........ */ \
|
||||
{0x00000408, "\xff\x00\x00\x00\x00\x00\x00\x00"}, /* ........ */ \
|
||||
{0x00000600, "\xf8\xff\xff\x00\x00\x00\x00\xf0"}, /* ........ */ \
|
||||
{0x00000608, "\xff\x00\x00\x00\x00\x00\x00\x00"}, /* ........ */ \
|
||||
{0x00000800, "\xe5\x70\x00\x00\x00\xff\xff\xff"}, /* .p...... */ \
|
||||
{0x00000808, "\xff\xff\xff\x0f\x00\x0e\xff\xff"}, /* ........ */ \
|
||||
{0x00000810, "\xff\xff\xff\xff\xff\xff\xff\xff"}, /* ........ */ \
|
||||
{0x00000818, "\xff\xff\x00\x00\xff\xff\xff\xff"}, /* ........ */ \
|
||||
{0x00000820, "\xe5\x2e\x00\x68\x00\x65\x00\x6c"}, /* ...h.e.l */ \
|
||||
{0x00000828, "\x00\x6c\x00\x0f\x00\x0e\x6f\x00"}, /* .l....o. */ \
|
||||
{0x00000830, "\x2e\x00\x74\x00\x78\x00\x74\x00"}, /* ..t.x.t. */ \
|
||||
{0x00000838, "\x2e\x00\x00\x00\x73\x00\x77\x00"}, /* ....s.w. */ \
|
||||
{0x00000840, "\xe5\x45\x4c\x4c\x4f\x54\x7e\x31"}, /* .ELLOT~1 */ \
|
||||
{0x00000848, "\x53\x57\x50\x20\x00\x64\xd0\x8a"}, /* SWP .d.. */ \
|
||||
{0x00000850, "\x92\x4b\x92\x4b\x00\x00\xd0\x8a"}, /* .K.K.... */ \
|
||||
{0x00000858, "\x92\x4b\x00\x00\x00\x00\x00\x00"}, /* .K...... */ \
|
||||
{0x00000860, "\x41\x68\x00\x65\x00\x6c\x00\x6c"}, /* Ah.e.l.l */ \
|
||||
{0x00000868, "\x00\x6f\x00\x0f\x00\xf1\x2e\x00"}, /* .o...... */ \
|
||||
{0x00000870, "\x74\x00\x78\x00\x74\x00\x00\x00"}, /* t.x.t... */ \
|
||||
{0x00000878, "\xff\xff\x00\x00\xff\xff\xff\xff"}, /* ........ */ \
|
||||
{0x00000880, "\x48\x45\x4c\x4c\x4f\x20\x20\x20"}, /* HELLO */ \
|
||||
{0x00000888, "\x54\x58\x54\x20\x00\x64\xd4\x8a"}, /* TXT .d.. */ \
|
||||
{0x00000890, "\x92\x4b\x92\x4b\x00\x00\xd4\x8a"}, /* .K.K.... */ \
|
||||
{0x00000898, "\x92\x4b\x05\x00\x0d\x00\x00\x00"}, /* .K...... */ \
|
||||
{0x000008a0, "\xe5\x45\x4c\x4c\x4f\x54\x7e\x31"}, /* .ELLOT~1 */ \
|
||||
{0x000008a8, "\x53\x57\x58\x20\x00\x64\xd0\x8a"}, /* SWX .d.. */ \
|
||||
{0x000008b0, "\x92\x4b\x92\x4b\x00\x00\xd0\x8a"}, /* .K.K.... */ \
|
||||
{0x000008b8, "\x92\x4b\x00\x00\x00\x00\x00\x00"}, /* .K...... */ \
|
||||
{0x00006000, "\x48\x65\x6c\x6c\x6f\x20\x77\x6f"}, /* Hello wo */ \
|
||||
{0x00006008, "\x72\x6c\x64\x21\x0a\x00\x00\x00"}, /* rld!.... */ \
|
||||
{0, NULL} } }
|
Loading…
Add table
Reference in a new issue