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test: Add unit tests for bootm image decompression

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Use each compression method (including uncompressed). Test for normal
operation, insufficient space and corrupted data.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-12-02 13:17:35 -07:00 • committed by Tom Rini
parent ac9a215de0
commit 6ed4dc7876
1 changed files with 84 additions and 0 deletions
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84
test/compression.c
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@ -7,8 +7,10 @@
#define DEBUG #define DEBUG
#include <common.h> #include <common.h>
#include <bootm.h>
#include <command.h> #include <command.h>
#include <malloc.h> #include <malloc.h>
#include <asm/io.h>
#include <u-boot/zlib.h> #include <u-boot/zlib.h>
#include <bzlib.h> #include <bzlib.h>
@ -328,7 +330,89 @@ static int do_ut_compression(cmd_tbl_t *cmdtp, int flag, int argc,
return err; return err;
} }
static int compress_using_none(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 decopmression 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(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((void *)plain, unc_len, compress_buff, compress_size,
&compress_size);
err = bootm_decomp_image(comp_type, load_addr, image_start,
IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
compress_buff, compress_size, unc_len,
&load_end);
if (err)
return err;
err = bootm_decomp_image(comp_type, load_addr, image_start,
IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
compress_buff, compress_size, unc_len - 1,
&load_end);
if (!err)
return -EINVAL;
/* 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 = bootm_decomp_image(comp_type, load_addr, image_start,
IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
compress_buff, compress_size, 0x10000,
&load_end);
if (!err)
return -EINVAL;
return 0;
}
static int do_ut_image_decomp(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
int err = 0;
err = run_bootm_test(IH_COMP_GZIP, compress_using_gzip);
err |= run_bootm_test(IH_COMP_BZIP2, compress_using_bzip2);
err |= run_bootm_test(IH_COMP_LZMA, compress_using_lzma);
err |= run_bootm_test(IH_COMP_LZO, compress_using_lzo);
err |= run_bootm_test(IH_COMP_NONE, compress_using_none);
printf("ut_image_decomp %s\n", err == 0 ? "ok" : "FAILED");
return 0;
}
U_BOOT_CMD( U_BOOT_CMD(
ut_compression, 5, 1, do_ut_compression, ut_compression, 5, 1, do_ut_compression,
"Basic test of compressors: gzip bzip2 lzma lzo", "" "Basic test of compressors: gzip bzip2 lzma lzo", ""
); );
U_BOOT_CMD(
ut_image_decomp, 5, 1, do_ut_image_decomp,
"Basic test of bootm decompression", ""
);