[J-u-boot.git] / test / compression.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 2013, The Chromium Authors
 */

#include <common.h>
#include <bootm.h>
#include <command.h>
#include <gzip.h>
#include <lz4.h>
#include <malloc.h>
#include <mapmem.h>
#include <asm/io.h>

#include <u-boot/zlib.h>
#include <bzlib.h>

#include <lzma/LzmaTypes.h>
#include <lzma/LzmaDec.h>
#include <lzma/LzmaTools.h>

#include <linux/lzo.h>
#include <test/compression.h>
#include <test/suites.h>
#include <test/ut.h>

static const char plain[] =
	"I am a highly compressable bit of text.\n"
	"I am a highly compressable bit of text.\n"
	"I am a highly compressable bit of text.\n"
	"There are many like me, but this one is mine.\n"
	"If I were any shorter, there wouldn't be much sense in\n"
	"compressing me in the first place. At least with lzo, anyway,\n"
	"which appears to behave poorly in the face of short text\n"
	"messages.\n";

/* bzip2 -c /tmp/plain.txt > /tmp/plain.bz2 */
static const char bzip2_compressed[] =
	"\x42\x5a\x68\x39\x31\x41\x59\x26\x53\x59\xe5\x63\xdd\x09\x00\x00"
	"\x28\x57\x80\x00\x10\x40\x85\x20\x20\x04\x00\x3f\xef\xdf\xf0\x30"
	"\x00\xd6\xd0\x34\x91\x89\xa6\xf5\x4d\x19\x1a\x19\x0d\x02\x34\xd4"
	"\xc9\x00\x34\x34\x00\x02\x48\x41\x35\x4f\xd4\xc6\x88\xd3\x50\x3d"
	"\x4f\x51\x82\x4f\x88\xc3\x0d\x05\x62\x4f\x91\xa3\x52\x1b\xd0\x52"
	"\x41\x4a\xa3\x98\xc2\x6b\xca\xa3\x82\xa5\xac\x8b\x15\x99\x68\xad"
	"\xdf\x29\xd6\xf1\xf7\x5a\x10\xcd\x8c\x26\x61\x94\x95\xfe\x9e\x16"
	"\x18\x28\x69\xd4\x23\x64\xcc\x2b\xe5\xe8\x5f\x00\xa4\x70\x26\x2c"
	"\xee\xbd\x59\x6d\x6a\xec\xfc\x31\xda\x59\x0a\x14\x2a\x60\x1c\xf0"
	"\x04\x86\x73\x9a\xc5\x5b\x87\x3f\x5b\x4c\x93\xe6\xb5\x35\x0d\xa6"
	"\xb1\x2e\x62\x7b\xab\x67\xe7\x99\x2a\x14\x5e\x9f\x64\xcb\x96\xf4"
	"\x0d\x65\xd4\x39\xe6\x8b\x7e\xea\x1c\x03\x69\x97\x83\x58\x91\x96"
	"\xe1\xf0\x9d\xa4\x15\x8b\xb8\xc6\x93\xdc\x3d\xd9\x3c\x22\x55\xef"
	"\xfb\xbb\x2a\xd3\x87\xa2\x8b\x04\xd9\x19\xf8\xe2\xfd\x4f\xdb\x1a"
	"\x07\xc8\x60\xa3\x3f\xf8\xbb\x92\x29\xc2\x84\x87\x2b\x1e\xe8\x48";
static const unsigned long bzip2_compressed_size = 240;

/* lzma -z -c /tmp/plain.txt > /tmp/plain.lzma */
static const char lzma_compressed[] =
	"\x5d\x00\x00\x80\x00\xff\xff\xff\xff\xff\xff\xff\xff\x00\x24\x88"
	"\x08\x26\xd8\x41\xff\x99\xc8\xcf\x66\x3d\x80\xac\xba\x17\xf1\xc8"
	"\xb9\xdf\x49\x37\xb1\x68\xa0\x2a\xdd\x63\xd1\xa7\xa3\x66\xf8\x15"
	"\xef\xa6\x67\x8a\x14\x18\x80\xcb\xc7\xb1\xcb\x84\x6a\xb2\x51\x16"
	"\xa1\x45\xa0\xd6\x3e\x55\x44\x8a\x5c\xa0\x7c\xe5\xa8\xbd\x04\x57"
	"\x8f\x24\xfd\xb9\x34\x50\x83\x2f\xf3\x46\x3e\xb9\xb0\x00\x1a\xf5"
	"\xd3\x86\x7e\x8f\x77\xd1\x5d\x0e\x7c\xe1\xac\xde\xf8\x65\x1f\x4d"
	"\xce\x7f\xa7\x3d\xaa\xcf\x26\xa7\x58\x69\x1e\x4c\xea\x68\x8a\xe5"
	"\x89\xd1\xdc\x4d\xc7\xe0\x07\x42\xbf\x0c\x9d\x06\xd7\x51\xa2\x0b"
	"\x7c\x83\x35\xe1\x85\xdf\xee\xfb\xa3\xee\x2f\x47\x5f\x8b\x70\x2b"
	"\xe1\x37\xf3\x16\xf6\x27\x54\x8a\x33\x72\x49\xea\x53\x7d\x60\x0b"
	"\x21\x90\x66\xe7\x9e\x56\x61\x5d\xd8\xdc\x59\xf0\xac\x2f\xd6\x49"
	"\x6b\x85\x40\x08\x1f\xdf\x26\x25\x3b\x72\x44\xb0\xb8\x21\x2f\xb3"
	"\xd7\x9b\x24\x30\x78\x26\x44\x07\xc3\x33\xd1\x4d\x03\x1b\xe1\xff"
	"\xfd\xf5\x50\x8d\xca";
static const unsigned long lzma_compressed_size = 229;

/* lzop -c /tmp/plain.txt > /tmp/plain.lzo */
static const char lzo_compressed[] =
	"\x89\x4c\x5a\x4f\x00\x0d\x0a\x1a\x0a\x10\x30\x20\x60\x09\x40\x01"
	"\x05\x03\x00\x00\x09\x00\x00\x81\xb4\x52\x09\x54\xf1\x00\x00\x00"
	"\x00\x09\x70\x6c\x61\x69\x6e\x2e\x74\x78\x74\x65\xb1\x07\x9c\x00"
	"\x00\x01\x5e\x00\x00\x01\x0f\xc3\xc7\x7a\xe0\x00\x16\x49\x20\x61"
	"\x6d\x20\x61\x20\x68\x69\x67\x68\x6c\x79\x20\x63\x6f\x6d\x70\x72"
	"\x65\x73\x73\x61\x62\x6c\x65\x20\x62\x69\x74\x20\x6f\x66\x20\x74"
	"\x65\x78\x74\x2e\x0a\x20\x2f\x9c\x00\x00\x22\x54\x68\x65\x72\x65"
	"\x20\x61\x72\x65\x20\x6d\x61\x6e\x79\x20\x6c\x69\x6b\x65\x20\x6d"
	"\x65\x2c\x20\x62\x75\x74\x20\x74\x68\x69\x73\x20\x6f\x6e\x65\x20"
	"\x69\x73\x20\x6d\x69\x6e\x65\x2e\x0a\x49\x66\x20\x49\x20\x77\x84"
	"\x06\x0a\x6e\x79\x20\x73\x68\x6f\x72\x74\x65\x72\x2c\x20\x74\x90"
	"\x08\x00\x08\x77\x6f\x75\x6c\x64\x6e\x27\x74\x20\x62\x65\x20\x6d"
	"\x75\x63\x68\x20\x73\x65\x6e\x73\x65\x20\x69\x6e\x0a\xf8\x19\x02"
	"\x69\x6e\x67\x20\x6d\x64\x02\x64\x06\x00\x5a\x20\x66\x69\x72\x73"
	"\x74\x20\x70\x6c\x61\x63\x65\x2e\x20\x41\x74\x20\x6c\x65\x61\x73"
	"\x74\x20\x77\x69\x74\x68\x20\x6c\x7a\x6f\x2c\x20\x61\x6e\x79\x77"
	"\x61\x79\x2c\x0a\x77\x68\x69\x63\x68\x20\x61\x70\x70\x65\x61\x72"
	"\x73\x20\x74\x6f\x20\x62\x65\x68\x61\x76\x65\x20\x70\x6f\x6f\x72"
	"\x6c\x79\x20\x69\x6e\x20\x74\x68\x65\x20\x66\x61\x63\x65\x20\x6f"
	"\x66\x20\x73\x68\x6f\x72\x74\x20\x74\x65\x78\x74\x0a\x6d\x65\x73"
	"\x73\x61\x67\x65\x73\x2e\x0a\x11\x00\x00\x00\x00\x00\x00";
static const unsigned long lzo_compressed_size = 334;

/* lz4 -z /tmp/plain.txt > /tmp/plain.lz4 */
static const char lz4_compressed[] =
	"\x04\x22\x4d\x18\x64\x70\xb9\x01\x01\x00\x00\xff\x19\x49\x20\x61"
	"\x6d\x20\x61\x20\x68\x69\x67\x68\x6c\x79\x20\x63\x6f\x6d\x70\x72"
	"\x65\x73\x73\x61\x62\x6c\x65\x20\x62\x69\x74\x20\x6f\x66\x20\x74"
	"\x65\x78\x74\x2e\x0a\x28\x00\x3d\xf1\x25\x54\x68\x65\x72\x65\x20"
	"\x61\x72\x65\x20\x6d\x61\x6e\x79\x20\x6c\x69\x6b\x65\x20\x6d\x65"
	"\x2c\x20\x62\x75\x74\x20\x74\x68\x69\x73\x20\x6f\x6e\x65\x20\x69"
	"\x73\x20\x6d\x69\x6e\x65\x2e\x0a\x49\x66\x20\x49\x20\x77\x32\x00"
	"\xd1\x6e\x79\x20\x73\x68\x6f\x72\x74\x65\x72\x2c\x20\x74\x45\x00"
	"\xf4\x0b\x77\x6f\x75\x6c\x64\x6e\x27\x74\x20\x62\x65\x20\x6d\x75"
	"\x63\x68\x20\x73\x65\x6e\x73\x65\x20\x69\x6e\x0a\xcf\x00\x50\x69"
	"\x6e\x67\x20\x6d\x12\x00\x00\x32\x00\xf0\x11\x20\x66\x69\x72\x73"
	"\x74\x20\x70\x6c\x61\x63\x65\x2e\x20\x41\x74\x20\x6c\x65\x61\x73"
	"\x74\x20\x77\x69\x74\x68\x20\x6c\x7a\x6f\x2c\x63\x00\xf5\x14\x77"
	"\x61\x79\x2c\x0a\x77\x68\x69\x63\x68\x20\x61\x70\x70\x65\x61\x72"
	"\x73\x20\x74\x6f\x20\x62\x65\x68\x61\x76\x65\x20\x70\x6f\x6f\x72"
	"\x6c\x79\x4e\x00\x30\x61\x63\x65\x27\x01\x01\x95\x00\x01\x2d\x01"
	"\xb0\x0a\x6d\x65\x73\x73\x61\x67\x65\x73\x2e\x0a\x00\x00\x00\x00"
	"\x9d\x12\x8c\x9d";
static const unsigned long lz4_compressed_size = 276;


#define TEST_BUFFER_SIZE	512

typedef int (*mutate_func)(struct unit_test_state *uts, void *, unsigned long,
			   void *, unsigned long, unsigned long *);

static int compress_using_gzip(struct unit_test_state *uts,
			       void *in, unsigned long in_size,
			       void *out, unsigned long out_max,
			       unsigned long *out_size)
{
	int ret;
	unsigned long inout_size = out_max;

	ret = gzip(out, &inout_size, in, in_size);
	if (out_size)
		*out_size = inout_size;

	return ret;
}

static int uncompress_using_gzip(struct unit_test_state *uts,
				 void *in, unsigned long in_size,
				 void *out, unsigned long out_max,
				 unsigned long *out_size)
{
	int ret;
	unsigned long inout_size = in_size;

	ret = gunzip(out, out_max, in, &inout_size);
	if (out_size)
		*out_size = inout_size;

	return ret;
}

static int compress_using_bzip2(struct unit_test_state *uts,
				void *in, unsigned long in_size,
				void *out, unsigned long out_max,
				unsigned long *out_size)
{
	/* There is no bzip2 compression in u-boot, so fake it. */
	ut_asserteq(in_size, strlen(plain));
	ut_asserteq(0, memcmp(plain, in, in_size));

	if (bzip2_compressed_size > out_max)
		return -1;

	memcpy(out, bzip2_compressed, bzip2_compressed_size);
	if (out_size)
		*out_size = bzip2_compressed_size;

	return 0;
}

static int uncompress_using_bzip2(struct unit_test_state *uts,
				  void *in, unsigned long in_size,
				  void *out, unsigned long out_max,
				  unsigned long *out_size)
{
	int ret;
	unsigned int inout_size = out_max;

	ret = BZ2_bzBuffToBuffDecompress(out, &inout_size, in, in_size,
			CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
	if (out_size)
		*out_size = inout_size;

	return (ret != BZ_OK);
}

static int compress_using_lzma(struct unit_test_state *uts,
			       void *in, unsigned long in_size,
			       void *out, unsigned long out_max,
			       unsigned long *out_size)
{
	/* There is no lzma compression in u-boot, so fake it. */
	ut_asserteq(in_size,  strlen(plain));
	ut_asserteq(0, memcmp(plain, in, in_size));

	if (lzma_compressed_size > out_max)
		return -1;

	memcpy(out, lzma_compressed, lzma_compressed_size);
	if (out_size)
		*out_size = lzma_compressed_size;

	return 0;
}

static int uncompress_using_lzma(struct unit_test_state *uts,
				 void *in, unsigned long in_size,
				 void *out, unsigned long out_max,
				 unsigned long *out_size)
{
	int ret;
	SizeT inout_size = out_max;

	ret = lzmaBuffToBuffDecompress(out, &inout_size, in, in_size);
	if (out_size)
		*out_size = inout_size;

	return (ret != SZ_OK);
}

static int compress_using_lzo(struct unit_test_state *uts,
			      void *in, unsigned long in_size,
			      void *out, unsigned long out_max,
			      unsigned long *out_size)
{
	/* There is no lzo compression in u-boot, so fake it. */
	ut_asserteq(in_size,  strlen(plain));
	ut_asserteq(0, memcmp(plain, in, in_size));

	if (lzo_compressed_size > out_max)
		return -1;

	memcpy(out, lzo_compressed, lzo_compressed_size);
	if (out_size)
		*out_size = lzo_compressed_size;

	return 0;
}

static int uncompress_using_lzo(struct unit_test_state *uts,
				void *in, unsigned long in_size,
				void *out, unsigned long out_max,
				unsigned long *out_size)
{
	int ret;
	size_t input_size = in_size;
	size_t output_size = out_max;

	ret = lzop_decompress(in, input_size, out, &output_size);
	if (out_size)
		*out_size = output_size;

	return (ret != LZO_E_OK);
}

static int compress_using_lz4(struct unit_test_state *uts,
			      void *in, unsigned long in_size,
			      void *out, unsigned long out_max,
			      unsigned long *out_size)
{
	/* There is no lz4 compression in u-boot, so fake it. */
	ut_asserteq(in_size,  strlen(plain));
	ut_asserteq(0, memcmp(plain, in, in_size));

	if (lz4_compressed_size > out_max)
		return -1;

	memcpy(out, lz4_compressed, lz4_compressed_size);
	if (out_size)
		*out_size = lz4_compressed_size;

	return 0;
}

static int uncompress_using_lz4(struct unit_test_state *uts,
				void *in, unsigned long in_size,
				void *out, unsigned long out_max,
				unsigned long *out_size)
{
	int ret;
	size_t input_size = in_size;
	size_t output_size = out_max;

	ret = ulz4fn(in, input_size, out, &output_size);
	if (out_size)
		*out_size = output_size;

	return (ret != 0);
}

#define errcheck(statement) if (!(statement)) { \
	fprintf(stderr, "\tFailed: %s\n", #statement); \
	ret = 1; \
	goto out; \
}

struct buf_state {
	ulong orig_size;
	ulong compressed_size;
	ulong uncompressed_size;
	void *orig_buf;
	void *compressed_buf;
	void *uncompressed_buf;
	void *compare_buf;
};

static int run_test_internal(struct unit_test_state *uts, char *name,
			     mutate_func compress, mutate_func uncompress,
			     struct buf_state *buf)
{
	int ret;

	/* Compress works as expected. */
	printf("\torig_size:%lu\n", buf->orig_size);
	memset(buf->compressed_buf, 'A', TEST_BUFFER_SIZE);
	errcheck(compress(uts, buf->orig_buf, buf->orig_size,
			  buf->compressed_buf, buf->compressed_size,
			  &buf->compressed_size) == 0);
	printf("\tcompressed_size:%lu\n", buf->compressed_size);
	errcheck(buf->compressed_size > 0);
	errcheck(buf->compressed_size < buf->orig_size);
	errcheck(((char *)buf->compressed_buf)[buf->compressed_size - 1] !=
			'A');
	errcheck(((char *)buf->compressed_buf)[buf->compressed_size] == 'A');

	/* Uncompresses with space remaining. */
	errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size,
			    buf->uncompressed_buf, buf->uncompressed_size,
			    &buf->uncompressed_size) == 0);
	printf("\tuncompressed_size:%lu\n", buf->uncompressed_size);
	errcheck(buf->uncompressed_size == buf->orig_size);
	errcheck(memcmp(buf->orig_buf, buf->uncompressed_buf,
			buf->orig_size) == 0);

	/* Uncompresses with exactly the right size output buffer. */
	memset(buf->uncompressed_buf, 'A', TEST_BUFFER_SIZE);
	errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size,
			    buf->uncompressed_buf, buf->orig_size,
			    &buf->uncompressed_size) == 0);
	errcheck(buf->uncompressed_size == buf->orig_size);
	errcheck(memcmp(buf->orig_buf, buf->uncompressed_buf,
			buf->orig_size) == 0);
	errcheck(((char *)buf->uncompressed_buf)[buf->orig_size] == 'A');

	/* Make sure compression does not over-run. */
	memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE);
	ret = compress(uts, buf->orig_buf, buf->orig_size,
		       buf->compare_buf, buf->compressed_size - 1,
		       NULL);
	errcheck(((char *)buf->compare_buf)[buf->compressed_size] == 'A');
	errcheck(ret != 0);
	printf("\tcompress does not overrun\n");

	/* Make sure decompression does not over-run. */
	memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE);
	ret = uncompress(uts, buf->compressed_buf, buf->compressed_size,
			 buf->compare_buf, buf->uncompressed_size - 1,
			 NULL);
	errcheck(((char *)buf->compare_buf)[buf->uncompressed_size - 1] == 'A');
	errcheck(ret != 0);
	printf("\tuncompress does not overrun\n");

	/* Got here, everything is fine. */
	ret = 0;

out:
	return ret;
}

static int run_test(struct unit_test_state *uts, char *name,
		    mutate_func compress, mutate_func uncompress)
{
	struct buf_state sbuf, *buf = &sbuf;
	int ret;

	printf(" testing %s ...\n", name);

	buf->orig_buf = (void *)plain;
	buf->orig_size = strlen(buf->orig_buf); /* Trailing NUL not included */
	errcheck(buf->orig_size > 0);

	buf->compressed_size = TEST_BUFFER_SIZE;
	buf->uncompressed_size = TEST_BUFFER_SIZE;
	buf->compressed_buf = malloc(buf->compressed_size);
	errcheck(buf->compressed_buf);
	buf->uncompressed_buf = malloc(buf->uncompressed_size);
	errcheck(buf->uncompressed_buf);
	buf->compare_buf = malloc(buf->uncompressed_size);
	errcheck(buf->compare_buf);

	ret = run_test_internal(uts, name, compress, uncompress, buf);
out:
	printf(" %s: %s\n", name, ret == 0 ? "ok" : "FAILED");

	free(buf->compare_buf);
	free(buf->uncompressed_buf);
	free(buf->compressed_buf);

	return ret;
}

static int compression_test_gzip(struct unit_test_state *uts)
{
	return run_test(uts, "gzip", compress_using_gzip,
			uncompress_using_gzip);
}
COMPRESSION_TEST(compression_test_gzip, 0);

static int compression_test_bzip2(struct unit_test_state *uts)
{
	return run_test(uts, "bzip2", compress_using_bzip2,
			uncompress_using_bzip2);
}
COMPRESSION_TEST(compression_test_bzip2, 0);

static int compression_test_lzma(struct unit_test_state *uts)
{
	return run_test(uts, "lzma", compress_using_lzma,
			uncompress_using_lzma);
}
COMPRESSION_TEST(compression_test_lzma, 0);

static int compression_test_lzo(struct unit_test_state *uts)
{
	return run_test(uts, "lzo", compress_using_lzo, uncompress_using_lzo);
}
COMPRESSION_TEST(compression_test_lzo, 0);

static int compression_test_lz4(struct unit_test_state *uts)
{
	return run_test(uts, "lz4", compress_using_lz4, uncompress_using_lz4);
}
COMPRESSION_TEST(compression_test_lz4, 0);

static int compress_using_none(struct unit_test_state *uts,
			       void *in, unsigned long in_size,
			       void *out, unsigned long out_max,
			       unsigned long *out_size)
{
	/* Here we just copy */
	memcpy(out, in, in_size);
	*out_size = in_size;

	return 0;
}

/**
 * run_bootm_test() - Run tests on the bootm decompression function
 *
 * @comp_type:	Compression type to test
 * @compress:	Our function to compress data
 * @return 0 if OK, non-zero on failure
 */
static int run_bootm_test(struct unit_test_state *uts, int comp_type,
			  mutate_func compress)
{
	ulong compress_size = 1024;
	void *compress_buff;
	int unc_len;
	int err = 0;
	const ulong image_start = 0;
	const ulong load_addr = 0x1000;
	ulong load_end;

	printf("Testing: %s\n", genimg_get_comp_name(comp_type));
	compress_buff = map_sysmem(image_start, 0);
	unc_len = strlen(plain);
	compress(uts, (void *)plain, unc_len, compress_buff, compress_size,
		 &compress_size);
	err = image_decomp(comp_type, load_addr, image_start,
			   IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
			   compress_buff, compress_size, unc_len,
			   &load_end);
	ut_assertok(err);
	err = image_decomp(comp_type, load_addr, image_start,
			   IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
			   compress_buff, compress_size, unc_len - 1,
			   &load_end);
	ut_assert(err);

	/* We can't detect corruption when not decompressing */
	if (comp_type == IH_COMP_NONE)
		return 0;
	memset(compress_buff + compress_size / 2, '\x49',
	       compress_size / 2);
	err = image_decomp(comp_type, load_addr, image_start,
			   IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
			   compress_buff, compress_size, 0x10000,
			   &load_end);
	ut_assert(err);

	return 0;
}

static int compression_test_bootm_gzip(struct unit_test_state *uts)
{
	return run_bootm_test(uts, IH_COMP_GZIP, compress_using_gzip);
}
COMPRESSION_TEST(compression_test_bootm_gzip, 0);

static int compression_test_bootm_bzip2(struct unit_test_state *uts)
{
	return run_bootm_test(uts, IH_COMP_BZIP2, compress_using_bzip2);
}
COMPRESSION_TEST(compression_test_bootm_bzip2, 0);

static int compression_test_bootm_lzma(struct unit_test_state *uts)
{
	return run_bootm_test(uts, IH_COMP_LZMA, compress_using_lzma);
}
COMPRESSION_TEST(compression_test_bootm_lzma, 0);

static int compression_test_bootm_lzo(struct unit_test_state *uts)
{
	return run_bootm_test(uts, IH_COMP_LZO, compress_using_lzo);
}
COMPRESSION_TEST(compression_test_bootm_lzo, 0);

static int compression_test_bootm_lz4(struct unit_test_state *uts)
{
	return run_bootm_test(uts, IH_COMP_LZ4, compress_using_lz4);
}
COMPRESSION_TEST(compression_test_bootm_lz4, 0);

static int compression_test_bootm_none(struct unit_test_state *uts)
{
	return run_bootm_test(uts, IH_COMP_NONE, compress_using_none);
}
COMPRESSION_TEST(compression_test_bootm_none, 0);

int do_ut_compression(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	struct unit_test *tests = ll_entry_start(struct unit_test,
						 compression_test);
	const int n_ents = ll_entry_count(struct unit_test, compression_test);

	return cmd_ut_category("compression", "compression_test_",
			       tests, n_ents, argc, argv);
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
3153e915 KC	2	/*
3153e915 KC	3	* Copyright (c) 2013, The Chromium Authors
3153e915 KC	4	*/
3153e915 KC	5
3153e915	6	#include <common.h>
6ed4dc78	7	#include <bootm.h>
3153e915	8	#include <command.h>
0c670fc1	9	#include <gzip.h>
6c03f9e6	10	#include <lz4.h>
3153e915	11	#include <malloc.h>
0eb25b61	12	#include <mapmem.h>
6ed4dc78	13	#include <asm/io.h>
3153e915 KC	14
	15	#include <u-boot/zlib.h>
	16	#include <bzlib.h>
	17
	18	#include <lzma/LzmaTypes.h>
	19	#include <lzma/LzmaDec.h>
	20	#include <lzma/LzmaTools.h>
	21
	22	#include <linux/lzo.h>
0aac10f2 SG	23	#include <test/compression.h>
	24	#include <test/suites.h>
	25	#include <test/ut.h>
3153e915 KC	26
	27	static const char plain[] =
	28	"I am a highly compressable bit of text.\n"
	29	"I am a highly compressable bit of text.\n"
	30	"I am a highly compressable bit of text.\n"
	31	"There are many like me, but this one is mine.\n"
	32	"If I were any shorter, there wouldn't be much sense in\n"
	33	"compressing me in the first place. At least with lzo, anyway,\n"
	34	"which appears to behave poorly in the face of short text\n"
	35	"messages.\n";
	36
	37	/* bzip2 -c /tmp/plain.txt > /tmp/plain.bz2 */
	38	static const char bzip2_compressed[] =
	39	"\x42\x5a\x68\x39\x31\x41\x59\x26\x53\x59\xe5\x63\xdd\x09\x00\x00"
	40	"\x28\x57\x80\x00\x10\x40\x85\x20\x20\x04\x00\x3f\xef\xdf\xf0\x30"
	41	"\x00\xd6\xd0\x34\x91\x89\xa6\xf5\x4d\x19\x1a\x19\x0d\x02\x34\xd4"
	42	"\xc9\x00\x34\x34\x00\x02\x48\x41\x35\x4f\xd4\xc6\x88\xd3\x50\x3d"
	43	"\x4f\x51\x82\x4f\x88\xc3\x0d\x05\x62\x4f\x91\xa3\x52\x1b\xd0\x52"
	44	"\x41\x4a\xa3\x98\xc2\x6b\xca\xa3\x82\xa5\xac\x8b\x15\x99\x68\xad"
	45	"\xdf\x29\xd6\xf1\xf7\x5a\x10\xcd\x8c\x26\x61\x94\x95\xfe\x9e\x16"
	46	"\x18\x28\x69\xd4\x23\x64\xcc\x2b\xe5\xe8\x5f\x00\xa4\x70\x26\x2c"
	47	"\xee\xbd\x59\x6d\x6a\xec\xfc\x31\xda\x59\x0a\x14\x2a\x60\x1c\xf0"
	48	"\x04\x86\x73\x9a\xc5\x5b\x87\x3f\x5b\x4c\x93\xe6\xb5\x35\x0d\xa6"
	49	"\xb1\x2e\x62\x7b\xab\x67\xe7\x99\x2a\x14\x5e\x9f\x64\xcb\x96\xf4"
	50	"\x0d\x65\xd4\x39\xe6\x8b\x7e\xea\x1c\x03\x69\x97\x83\x58\x91\x96"
	51	"\xe1\xf0\x9d\xa4\x15\x8b\xb8\xc6\x93\xdc\x3d\xd9\x3c\x22\x55\xef"
	52	"\xfb\xbb\x2a\xd3\x87\xa2\x8b\x04\xd9\x19\xf8\xe2\xfd\x4f\xdb\x1a"
	53	"\x07\xc8\x60\xa3\x3f\xf8\xbb\x92\x29\xc2\x84\x87\x2b\x1e\xe8\x48";
	54	static const unsigned long bzip2_compressed_size = 240;
	55
	56	/* lzma -z -c /tmp/plain.txt > /tmp/plain.lzma */
	57	static const char lzma_compressed[] =
	58	"\x5d\x00\x00\x80\x00\xff\xff\xff\xff\xff\xff\xff\xff\x00\x24\x88"
	59	"\x08\x26\xd8\x41\xff\x99\xc8\xcf\x66\x3d\x80\xac\xba\x17\xf1\xc8"
	60	"\xb9\xdf\x49\x37\xb1\x68\xa0\x2a\xdd\x63\xd1\xa7\xa3\x66\xf8\x15"
	61	"\xef\xa6\x67\x8a\x14\x18\x80\xcb\xc7\xb1\xcb\x84\x6a\xb2\x51\x16"
	62	"\xa1\x45\xa0\xd6\x3e\x55\x44\x8a\x5c\xa0\x7c\xe5\xa8\xbd\x04\x57"
	63	"\x8f\x24\xfd\xb9\x34\x50\x83\x2f\xf3\x46\x3e\xb9\xb0\x00\x1a\xf5"
	64	"\xd3\x86\x7e\x8f\x77\xd1\x5d\x0e\x7c\xe1\xac\xde\xf8\x65\x1f\x4d"
	65	"\xce\x7f\xa7\x3d\xaa\xcf\x26\xa7\x58\x69\x1e\x4c\xea\x68\x8a\xe5"
	66	"\x89\xd1\xdc\x4d\xc7\xe0\x07\x42\xbf\x0c\x9d\x06\xd7\x51\xa2\x0b"
	67	"\x7c\x83\x35\xe1\x85\xdf\xee\xfb\xa3\xee\x2f\x47\x5f\x8b\x70\x2b"
	68	"\xe1\x37\xf3\x16\xf6\x27\x54\x8a\x33\x72\x49\xea\x53\x7d\x60\x0b"
	69	"\x21\x90\x66\xe7\x9e\x56\x61\x5d\xd8\xdc\x59\xf0\xac\x2f\xd6\x49"
	70	"\x6b\x85\x40\x08\x1f\xdf\x26\x25\x3b\x72\x44\xb0\xb8\x21\x2f\xb3"
	71	"\xd7\x9b\x24\x30\x78\x26\x44\x07\xc3\x33\xd1\x4d\x03\x1b\xe1\xff"
	72	"\xfd\xf5\x50\x8d\xca";
	73	static const unsigned long lzma_compressed_size = 229;
	74
	75	/* lzop -c /tmp/plain.txt > /tmp/plain.lzo */
	76	static const char lzo_compressed[] =
	77	"\x89\x4c\x5a\x4f\x00\x0d\x0a\x1a\x0a\x10\x30\x20\x60\x09\x40\x01"
	78	"\x05\x03\x00\x00\x09\x00\x00\x81\xb4\x52\x09\x54\xf1\x00\x00\x00"
	79	"\x00\x09\x70\x6c\x61\x69\x6e\x2e\x74\x78\x74\x65\xb1\x07\x9c\x00"
	80	"\x00\x01\x5e\x00\x00\x01\x0f\xc3\xc7\x7a\xe0\x00\x16\x49\x20\x61"
	81	"\x6d\x20\x61\x20\x68\x69\x67\x68\x6c\x79\x20\x63\x6f\x6d\x70\x72"
	82	"\x65\x73\x73\x61\x62\x6c\x65\x20\x62\x69\x74\x20\x6f\x66\x20\x74"
	83	"\x65\x78\x74\x2e\x0a\x20\x2f\x9c\x00\x00\x22\x54\x68\x65\x72\x65"
	84	"\x20\x61\x72\x65\x20\x6d\x61\x6e\x79\x20\x6c\x69\x6b\x65\x20\x6d"
	85	"\x65\x2c\x20\x62\x75\x74\x20\x74\x68\x69\x73\x20\x6f\x6e\x65\x20"
	86	"\x69\x73\x20\x6d\x69\x6e\x65\x2e\x0a\x49\x66\x20\x49\x20\x77\x84"
	87	"\x06\x0a\x6e\x79\x20\x73\x68\x6f\x72\x74\x65\x72\x2c\x20\x74\x90"
	88	"\x08\x00\x08\x77\x6f\x75\x6c\x64\x6e\x27\x74\x20\x62\x65\x20\x6d"
	89	"\x75\x63\x68\x20\x73\x65\x6e\x73\x65\x20\x69\x6e\x0a\xf8\x19\x02"
90	"\x69\x6e\x67\x20\x6d\x64\x02\x64\x06\x00\x5a\x20\x66\x69\x72\x73"
91	"\x74\x20\x70\x6c\x61\x63\x65\x2e\x20\x41\x74\x20\x6c\x65\x61\x73"
92	"\x74\x20\x77\x69\x74\x68\x20\x6c\x7a\x6f\x2c\x20\x61\x6e\x79\x77"
93	"\x61\x79\x2c\x0a\x77\x68\x69\x63\x68\x20\x61\x70\x70\x65\x61\x72"
94	"\x73\x20\x74\x6f\x20\x62\x65\x68\x61\x76\x65\x20\x70\x6f\x6f\x72"
95	"\x6c\x79\x20\x69\x6e\x20\x74\x68\x65\x20\x66\x61\x63\x65\x20\x6f"
96	"\x66\x20\x73\x68\x6f\x72\x74\x20\x74\x65\x78\x74\x0a\x6d\x65\x73"
97	"\x73\x61\x67\x65\x73\x2e\x0a\x11\x00\x00\x00\x00\x00\x00";
98	static const unsigned long lzo_compressed_size = 334;
99
027b728d JW	100	/* lz4 -z /tmp/plain.txt > /tmp/plain.lz4 */
	101	static const char lz4_compressed[] =
	102	"\x04\x22\x4d\x18\x64\x70\xb9\x01\x01\x00\x00\xff\x19\x49\x20\x61"
	103	"\x6d\x20\x61\x20\x68\x69\x67\x68\x6c\x79\x20\x63\x6f\x6d\x70\x72"
	104	"\x65\x73\x73\x61\x62\x6c\x65\x20\x62\x69\x74\x20\x6f\x66\x20\x74"
	105	"\x65\x78\x74\x2e\x0a\x28\x00\x3d\xf1\x25\x54\x68\x65\x72\x65\x20"
	106	"\x61\x72\x65\x20\x6d\x61\x6e\x79\x20\x6c\x69\x6b\x65\x20\x6d\x65"
	107	"\x2c\x20\x62\x75\x74\x20\x74\x68\x69\x73\x20\x6f\x6e\x65\x20\x69"
	108	"\x73\x20\x6d\x69\x6e\x65\x2e\x0a\x49\x66\x20\x49\x20\x77\x32\x00"
	109	"\xd1\x6e\x79\x20\x73\x68\x6f\x72\x74\x65\x72\x2c\x20\x74\x45\x00"
	110	"\xf4\x0b\x77\x6f\x75\x6c\x64\x6e\x27\x74\x20\x62\x65\x20\x6d\x75"
	111	"\x63\x68\x20\x73\x65\x6e\x73\x65\x20\x69\x6e\x0a\xcf\x00\x50\x69"
	112	"\x6e\x67\x20\x6d\x12\x00\x00\x32\x00\xf0\x11\x20\x66\x69\x72\x73"
	113	"\x74\x20\x70\x6c\x61\x63\x65\x2e\x20\x41\x74\x20\x6c\x65\x61\x73"
	114	"\x74\x20\x77\x69\x74\x68\x20\x6c\x7a\x6f\x2c\x63\x00\xf5\x14\x77"
	115	"\x61\x79\x2c\x0a\x77\x68\x69\x63\x68\x20\x61\x70\x70\x65\x61\x72"
	116	"\x73\x20\x74\x6f\x20\x62\x65\x68\x61\x76\x65\x20\x70\x6f\x6f\x72"
	117	"\x6c\x79\x4e\x00\x30\x61\x63\x65\x27\x01\x01\x95\x00\x01\x2d\x01"
	118	"\xb0\x0a\x6d\x65\x73\x73\x61\x67\x65\x73\x2e\x0a\x00\x00\x00\x00"
	119	"\x9d\x12\x8c\x9d";
	120	static const unsigned long lz4_compressed_size = 276;
	121
3153e915 KC	122
	123	#define TEST_BUFFER_SIZE 512
	124
0aac10f2 SG	125	typedef int (mutate_func)(struct unit_test_state uts, void *, unsigned long,
0aac10f2 SG	126	void , unsigned long, unsigned long );
3153e915	127
0aac10f2 SG	128	static int compress_using_gzip(struct unit_test_state *uts,
0aac10f2 SG	129	void *in, unsigned long in_size,
3153e915 KC	130	void *out, unsigned long out_max,
	131	unsigned long *out_size)
	132	{
	133	int ret;
	134	unsigned long inout_size = out_max;
	135
	136	ret = gzip(out, &inout_size, in, in_size);
	137	if (out_size)
	138	*out_size = inout_size;
	139
	140	return ret;
	141	}
	142
0aac10f2 SG	143	static int uncompress_using_gzip(struct unit_test_state *uts,
0aac10f2 SG	144	void *in, unsigned long in_size,
3153e915 KC	145	void *out, unsigned long out_max,
	146	unsigned long *out_size)
	147	{
	148	int ret;
	149	unsigned long inout_size = in_size;
	150
	151	ret = gunzip(out, out_max, in, &inout_size);
	152	if (out_size)
	153	*out_size = inout_size;
	154
	155	return ret;
	156	}
	157
0aac10f2 SG	158	static int compress_using_bzip2(struct unit_test_state *uts,
0aac10f2 SG	159	void *in, unsigned long in_size,
93e14596 WD	160	void *out, unsigned long out_max,
93e14596 WD	161	unsigned long *out_size)
3153e915 KC	162	{
3153e915 KC	163	/* There is no bzip2 compression in u-boot, so fake it. */
0aac10f2 SG	164	ut_asserteq(in_size, strlen(plain));
0aac10f2 SG	165	ut_asserteq(0, memcmp(plain, in, in_size));
3153e915 KC	166
	167	if (bzip2_compressed_size > out_max)
	168	return -1;
	169
	170	memcpy(out, bzip2_compressed, bzip2_compressed_size);
	171	if (out_size)
	172	*out_size = bzip2_compressed_size;
	173
	174	return 0;
	175	}
	176
0aac10f2 SG	177	static int uncompress_using_bzip2(struct unit_test_state *uts,
0aac10f2 SG	178	void *in, unsigned long in_size,
3153e915 KC	179	void *out, unsigned long out_max,
	180	unsigned long *out_size)
	181	{
	182	int ret;
	183	unsigned int inout_size = out_max;
	184
	185	ret = BZ2_bzBuffToBuffDecompress(out, &inout_size, in, in_size,
	186	CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
	187	if (out_size)
	188	*out_size = inout_size;
	189
	190	return (ret != BZ_OK);
	191	}
	192
0aac10f2 SG	193	static int compress_using_lzma(struct unit_test_state *uts,
0aac10f2 SG	194	void *in, unsigned long in_size,
3153e915 KC	195	void *out, unsigned long out_max,
	196	unsigned long *out_size)
	197	{
	198	/* There is no lzma compression in u-boot, so fake it. */
0aac10f2 SG	199	ut_asserteq(in_size, strlen(plain));
0aac10f2 SG	200	ut_asserteq(0, memcmp(plain, in, in_size));
3153e915 KC	201
	202	if (lzma_compressed_size > out_max)
	203	return -1;
	204
	205	memcpy(out, lzma_compressed, lzma_compressed_size);
	206	if (out_size)
	207	*out_size = lzma_compressed_size;
	208
	209	return 0;
	210	}
	211
0aac10f2 SG	212	static int uncompress_using_lzma(struct unit_test_state *uts,
0aac10f2 SG	213	void *in, unsigned long in_size,
3153e915 KC	214	void *out, unsigned long out_max,
	215	unsigned long *out_size)
	216	{
	217	int ret;
	218	SizeT inout_size = out_max;
	219
	220	ret = lzmaBuffToBuffDecompress(out, &inout_size, in, in_size);
	221	if (out_size)
	222	*out_size = inout_size;
	223
	224	return (ret != SZ_OK);
	225	}
	226
0aac10f2 SG	227	static int compress_using_lzo(struct unit_test_state *uts,
0aac10f2 SG	228	void *in, unsigned long in_size,
3153e915 KC	229	void *out, unsigned long out_max,
	230	unsigned long *out_size)
	231	{
	232	/* There is no lzo compression in u-boot, so fake it. */
0aac10f2 SG	233	ut_asserteq(in_size, strlen(plain));
0aac10f2 SG	234	ut_asserteq(0, memcmp(plain, in, in_size));
3153e915 KC	235
	236	if (lzo_compressed_size > out_max)
	237	return -1;
	238
	239	memcpy(out, lzo_compressed, lzo_compressed_size);
	240	if (out_size)
	241	*out_size = lzo_compressed_size;
	242
	243	return 0;
	244	}
	245
0aac10f2 SG	246	static int uncompress_using_lzo(struct unit_test_state *uts,
0aac10f2 SG	247	void *in, unsigned long in_size,
3153e915 KC	248	void *out, unsigned long out_max,
	249	unsigned long *out_size)
	250	{
	251	int ret;
	252	size_t input_size = in_size;
	253	size_t output_size = out_max;
	254
	255	ret = lzop_decompress(in, input_size, out, &output_size);
	256	if (out_size)
	257	*out_size = output_size;
	258
	259	return (ret != LZO_E_OK);
	260	}
	261
0aac10f2 SG	262	static int compress_using_lz4(struct unit_test_state *uts,
0aac10f2 SG	263	void *in, unsigned long in_size,
027b728d JW	264	void *out, unsigned long out_max,
	265	unsigned long *out_size)
	266	{
	267	/* There is no lz4 compression in u-boot, so fake it. */
0aac10f2 SG	268	ut_asserteq(in_size, strlen(plain));
0aac10f2 SG	269	ut_asserteq(0, memcmp(plain, in, in_size));
027b728d JW	270
	271	if (lz4_compressed_size > out_max)
	272	return -1;
	273
	274	memcpy(out, lz4_compressed, lz4_compressed_size);
	275	if (out_size)
	276	*out_size = lz4_compressed_size;
	277
	278	return 0;
	279	}
	280
0aac10f2 SG	281	static int uncompress_using_lz4(struct unit_test_state *uts,
0aac10f2 SG	282	void *in, unsigned long in_size,
027b728d JW	283	void *out, unsigned long out_max,
	284	unsigned long *out_size)
	285	{
	286	int ret;
	287	size_t input_size = in_size;
	288	size_t output_size = out_max;
	289
	290	ret = ulz4fn(in, input_size, out, &output_size);
	291	if (out_size)
	292	*out_size = output_size;
	293
	294	return (ret != 0);
	295	}
	296
3153e915 KC	297	#define errcheck(statement) if (!(statement)) { \
	298	fprintf(stderr, "\tFailed: %s\n", #statement); \
	299	ret = 1; \
	300	goto out; \
	301	}
	302
49f22c38 SG	303	struct buf_state {
	304	ulong orig_size;
	305	ulong compressed_size;
	306	ulong uncompressed_size;
3153e915	307	void *orig_buf;
49f22c38 SG	308	void *compressed_buf;
	309	void *uncompressed_buf;
	310	void *compare_buf;
	311	};
	312
0aac10f2	313	static int run_test_internal(struct unit_test_state uts, char name,
49f22c38 SG	314	mutate_func compress, mutate_func uncompress,
	315	struct buf_state *buf)
	316	{
3153e915 KC	317	int ret;
3153e915 KC	318
3153e915	319	/* Compress works as expected. */
49f22c38 SG	320	printf("\torig_size:%lu\n", buf->orig_size);
49f22c38 SG	321	memset(buf->compressed_buf, 'A', TEST_BUFFER_SIZE);
0aac10f2 SG	322	errcheck(compress(uts, buf->orig_buf, buf->orig_size,
	323	buf->compressed_buf, buf->compressed_size,
	324	&buf->compressed_size) == 0);
49f22c38 SG	325	printf("\tcompressed_size:%lu\n", buf->compressed_size);
	326	errcheck(buf->compressed_size > 0);
	327	errcheck(buf->compressed_size < buf->orig_size);
	328	errcheck(((char *)buf->compressed_buf)[buf->compressed_size - 1] !=
	329	'A');
	330	errcheck(((char *)buf->compressed_buf)[buf->compressed_size] == 'A');
3153e915 KC	331
3153e915 KC	332	/* Uncompresses with space remaining. */
0aac10f2	333	errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size,
49f22c38 SG	334	buf->uncompressed_buf, buf->uncompressed_size,
	335	&buf->uncompressed_size) == 0);
	336	printf("\tuncompressed_size:%lu\n", buf->uncompressed_size);
	337	errcheck(buf->uncompressed_size == buf->orig_size);
	338	errcheck(memcmp(buf->orig_buf, buf->uncompressed_buf,
	339	buf->orig_size) == 0);
3153e915 KC	340
3153e915 KC	341	/* Uncompresses with exactly the right size output buffer. */
49f22c38	342	memset(buf->uncompressed_buf, 'A', TEST_BUFFER_SIZE);
0aac10f2	343	errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size,
49f22c38 SG	344	buf->uncompressed_buf, buf->orig_size,
	345	&buf->uncompressed_size) == 0);
	346	errcheck(buf->uncompressed_size == buf->orig_size);
	347	errcheck(memcmp(buf->orig_buf, buf->uncompressed_buf,
	348	buf->orig_size) == 0);
	349	errcheck(((char *)buf->uncompressed_buf)[buf->orig_size] == 'A');
3153e915 KC	350
3153e915 KC	351	/* Make sure compression does not over-run. */
49f22c38	352	memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE);
0aac10f2	353	ret = compress(uts, buf->orig_buf, buf->orig_size,
49f22c38	354	buf->compare_buf, buf->compressed_size - 1,
3153e915	355	NULL);
49f22c38	356	errcheck(((char *)buf->compare_buf)[buf->compressed_size] == 'A');
3153e915 KC	357	errcheck(ret != 0);
	358	printf("\tcompress does not overrun\n");
	359
	360	/* Make sure decompression does not over-run. */
49f22c38	361	memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE);
0aac10f2	362	ret = uncompress(uts, buf->compressed_buf, buf->compressed_size,
49f22c38	363	buf->compare_buf, buf->uncompressed_size - 1,
3153e915	364	NULL);
49f22c38	365	errcheck(((char *)buf->compare_buf)[buf->uncompressed_size - 1] == 'A');
3153e915 KC	366	errcheck(ret != 0);
	367	printf("\tuncompress does not overrun\n");
	368
	369	/* Got here, everything is fine. */
	370	ret = 0;
	371
49f22c38 SG	372	out:
	373	return ret;
	374	}
	375
0aac10f2 SG	376	static int run_test(struct unit_test_state uts, char name,
0aac10f2 SG	377	mutate_func compress, mutate_func uncompress)
49f22c38 SG	378	{
	379	struct buf_state sbuf, *buf = &sbuf;
	380	int ret;
	381
	382	printf(" testing %s ...\n", name);
	383
	384	buf->orig_buf = (void *)plain;
	385	buf->orig_size = strlen(buf->orig_buf); /* Trailing NUL not included */
	386	errcheck(buf->orig_size > 0);
	387
	388	buf->compressed_size = TEST_BUFFER_SIZE;
	389	buf->uncompressed_size = TEST_BUFFER_SIZE;
	390	buf->compressed_buf = malloc(buf->compressed_size);
	391	errcheck(buf->compressed_buf);
	392	buf->uncompressed_buf = malloc(buf->uncompressed_size);
	393	errcheck(buf->uncompressed_buf);
	394	buf->compare_buf = malloc(buf->uncompressed_size);
	395	errcheck(buf->compare_buf);
	396
0aac10f2	397	ret = run_test_internal(uts, name, compress, uncompress, buf);
3153e915 KC	398	out:
	399	printf(" %s: %s\n", name, ret == 0 ? "ok" : "FAILED");
	400
49f22c38 SG	401	free(buf->compare_buf);
	402	free(buf->uncompressed_buf);
	403	free(buf->compressed_buf);
3153e915 KC	404
	405	return ret;
	406	}
	407
0aac10f2	408	static int compression_test_gzip(struct unit_test_state *uts)
3153e915	409	{
0aac10f2 SG	410	return run_test(uts, "gzip", compress_using_gzip,
	411	uncompress_using_gzip);
	412	}
	413	COMPRESSION_TEST(compression_test_gzip, 0);
3153e915	414
0aac10f2 SG	415	static int compression_test_bzip2(struct unit_test_state *uts)
	416	{
	417	return run_test(uts, "bzip2", compress_using_bzip2,
	418	uncompress_using_bzip2);
	419	}
	420	COMPRESSION_TEST(compression_test_bzip2, 0);
	421
	422	static int compression_test_lzma(struct unit_test_state *uts)
	423	{
	424	return run_test(uts, "lzma", compress_using_lzma,
	425	uncompress_using_lzma);
	426	}
	427	COMPRESSION_TEST(compression_test_lzma, 0);
3153e915	428
0aac10f2 SG	429	static int compression_test_lzo(struct unit_test_state *uts)
	430	{
	431	return run_test(uts, "lzo", compress_using_lzo, uncompress_using_lzo);
	432	}
	433	COMPRESSION_TEST(compression_test_lzo, 0);
3153e915	434
0aac10f2 SG	435	static int compression_test_lz4(struct unit_test_state *uts)
	436	{
	437	return run_test(uts, "lz4", compress_using_lz4, uncompress_using_lz4);
3153e915	438	}
0aac10f2	439	COMPRESSION_TEST(compression_test_lz4, 0);
3153e915	440
0aac10f2 SG	441	static int compress_using_none(struct unit_test_state *uts,
0aac10f2 SG	442	void *in, unsigned long in_size,
6ed4dc78 SG	443	void *out, unsigned long out_max,
	444	unsigned long *out_size)
	445	{
	446	/* Here we just copy */
	447	memcpy(out, in, in_size);
	448	*out_size = in_size;
	449
	450	return 0;
	451	}
	452
	453	/**
6cc8e545	454	* run_bootm_test() - Run tests on the bootm decompression function
6ed4dc78 SG	455	*
	456	* @comp_type: Compression type to test
	457	* @compress: Our function to compress data
	458	* @return 0 if OK, non-zero on failure
	459	*/
0aac10f2 SG	460	static int run_bootm_test(struct unit_test_state *uts, int comp_type,
0aac10f2 SG	461	mutate_func compress)
6ed4dc78 SG	462	{
	463	ulong compress_size = 1024;
	464	void *compress_buff;
	465	int unc_len;
	466	int err = 0;
	467	const ulong image_start = 0;
	468	const ulong load_addr = 0x1000;
	469	ulong load_end;
	470
	471	printf("Testing: %s\n", genimg_get_comp_name(comp_type));
	472	compress_buff = map_sysmem(image_start, 0);
	473	unc_len = strlen(plain);
0aac10f2	474	compress(uts, (void *)plain, unc_len, compress_buff, compress_size,
6ed4dc78	475	&compress_size);
2090854c JW	476	err = image_decomp(comp_type, load_addr, image_start,
	477	IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
	478	compress_buff, compress_size, unc_len,
	479	&load_end);
0aac10f2	480	ut_assertok(err);
2090854c JW	481	err = image_decomp(comp_type, load_addr, image_start,
	482	IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
	483	compress_buff, compress_size, unc_len - 1,
	484	&load_end);
0aac10f2	485	ut_assert(err);
6ed4dc78 SG	486
	487	/* We can't detect corruption when not decompressing */
	488	if (comp_type == IH_COMP_NONE)
	489	return 0;
	490	memset(compress_buff + compress_size / 2, '\x49',
	491	compress_size / 2);
2090854c JW	492	err = image_decomp(comp_type, load_addr, image_start,
	493	IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
	494	compress_buff, compress_size, 0x10000,
	495	&load_end);
0aac10f2	496	ut_assert(err);
6ed4dc78 SG	497
	498	return 0;
	499	}
	500
0aac10f2	501	static int compression_test_bootm_gzip(struct unit_test_state *uts)
6ed4dc78	502	{
0aac10f2 SG	503	return run_bootm_test(uts, IH_COMP_GZIP, compress_using_gzip);
	504	}
	505	COMPRESSION_TEST(compression_test_bootm_gzip, 0);
6ed4dc78	506
0aac10f2 SG	507	static int compression_test_bootm_bzip2(struct unit_test_state *uts)
	508	{
	509	return run_bootm_test(uts, IH_COMP_BZIP2, compress_using_bzip2);
	510	}
	511	COMPRESSION_TEST(compression_test_bootm_bzip2, 0);
6ed4dc78	512
0aac10f2 SG	513	static int compression_test_bootm_lzma(struct unit_test_state *uts)
	514	{
	515	return run_bootm_test(uts, IH_COMP_LZMA, compress_using_lzma);
	516	}
	517	COMPRESSION_TEST(compression_test_bootm_lzma, 0);
6ed4dc78	518
0aac10f2 SG	519	static int compression_test_bootm_lzo(struct unit_test_state *uts)
	520	{
	521	return run_bootm_test(uts, IH_COMP_LZO, compress_using_lzo);
6ed4dc78	522	}
0aac10f2	523	COMPRESSION_TEST(compression_test_bootm_lzo, 0);
6ed4dc78	524
0aac10f2 SG	525	static int compression_test_bootm_lz4(struct unit_test_state *uts)
	526	{
	527	return run_bootm_test(uts, IH_COMP_LZ4, compress_using_lz4);
	528	}
	529	COMPRESSION_TEST(compression_test_bootm_lz4, 0);
6ed4dc78	530
0aac10f2 SG	531	static int compression_test_bootm_none(struct unit_test_state *uts)
	532	{
	533	return run_bootm_test(uts, IH_COMP_NONE, compress_using_none);
	534	}
	535	COMPRESSION_TEST(compression_test_bootm_none, 0);
	536
	537	int do_ut_compression(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	538	{
	539	struct unit_test *tests = ll_entry_start(struct unit_test,
	540	compression_test);
	541	const int n_ents = ll_entry_count(struct unit_test, compression_test);
	542
4ad4edfe PR	543	return cmd_ut_category("compression", "compression_test_",
4ad4edfe PR	544	tests, n_ents, argc, argv);
0aac10f2	545	}