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/* SPDX-License-Identifier: Apache-2.0
* Copyright(c) 2021 Cisco Systems, Inc.
*/
#ifdef __x86_64__
#include <vppinfra/format.h>
#include <vppinfra/test/test.h>
#include <vppinfra/memcpy_x86_64.h>
__test_funct_fn void
wrapper (u8 *dst, u8 *src, uword n)
{
clib_memcpy_x86_64 (dst, src, n);
}
/* clang-format off */
#define foreach_const_n \
_(1) _(2) _(3) _(4) _(5) _(6) _(7) _(8) _(9) _(10) _(11) _(12) _(13) _(14) \
_(15) _(16) _(17) _(18) _(19) _(20) _(21) _(22) _(23) _(24) _(25) _(26) \
_(27) _(28) _(29) _(30) _(31) _(32) _(33) _(34) _(35) _(36) _(37) _(38) \
_(39) _(40) _(41) _(42) _(43) _(44) _(45) _(46) _(47) _(48) _(49) _(50) \
_(51) _(52) _(53) _(54) _(55) _(56) _(57) _(58) _(59) _(60) _(61) _(62) \
_(63) _(64) _(65) _(66) _(67) _(68) _(69) _(70) _(71) _(72) _(73) _(74) \
_(75) _(76) _(77) _(78) _(79) _(80) _(81) _(82) _(83) _(84) _(85) _(86) \
_(87) _(88) _(89) _(90) _(91) _(92) _(93) _(94) _(95) _(96) _(97) _(98) \
_(99) _(100) _(101) _(102) _(103) _(104) _(105) _(106) _(107) _(108) \
_(109) _(110) _(111) _(112) _(113) _(114) _(115) _(116) _(117) _(118) \
_(119) _(120) _(121) _(122) _(123) _(124) _(125) _(126) _(127) _(128) \
_(129) _(130) _(131) _(132) _(133) _(134) _(135) _(136) _(137) _(138) \
_(139) _(140) _(141) _(142) _(143) _(144) _(145) _(146) _(147) _(148) \
_(149) _(150) _(151) _(152) _(153) _(154) _(155) _(156) _(157) _(158) \
_(159) _(160) _(161) _(162) _(163) _(164) _(165) _(166) _(167) _(168) \
_(169) _(170) _(171) _(172) _(173) _(174) _(175) _(176) _(177) _(178) \
_(179) _(180) _(181) _(182) _(183) _(184) _(185) _(186) _(187) _(188) \
_(189) _(190) _(191) _(192) _(193) _(194) _(195) _(196) _(197) _(198) \
_(199) _(200) _(201) _(202) _(203) _(204) _(205) _(206) _(207) _(208) \
_(209) _(210) _(211) _(212) _(213) _(214) _(215) _(216) _(217) _(218) \
_(219) _(220) _(221) _(222) _(223) _(224) _(225) _(226) _(227) _(228) \
_(229) _(230) _(231) _(232) _(233) _(234) _(235) _(236) _(237) _(238) \
_(239) _(240) _(241) _(242) _(243) _(244) _(245) _(246) _(247) _(248) \
_(249) _(250) _(251) _(252) _(253) _(254) _(255)
/* clang-format on */
#define _(n) \
static __clib_noinline void wrapper##n (u8 *dst, u8 *src) \
{ \
clib_memcpy_x86_64 (dst, src, n); \
}
foreach_const_n;
#undef _
typedef void (const_fp_t) (u8 *dst, u8 *src);
typedef struct
{
u16 len;
const_fp_t *fp;
} counst_test_t;
static counst_test_t const_tests[] = {
#define _(n) { .fp = wrapper##n, .len = n },
foreach_const_n
#undef _
};
#define MAX_LEN 1024
static clib_error_t *
validate_one (clib_error_t *err, u8 *d, u8 *s, u16 n, u8 off, int is_const)
{
for (int i = 0; i < n; i++)
if (d[i] != s[i])
return clib_error_return (err,
"memcpy error at position %d "
"(n = %u, off = %u, expected 0x%02x "
"found 0x%02x%s)",
i, n, off, s[i], d[i],
is_const ? ", const" : "");
for (int i = -64; i < 0; i++)
if (d[i] != 0xfe)
return clib_error_return (err,
"buffer underrun at position %d "
"(n = %u, off = %u, expected 0xfe "
"found 0x%02x%s)",
i, n, off, d[i], is_const ? ", const" : "");
for (int i = n; i < n + 64; i++)
if (d[i] != 0xfe)
return clib_error_return (err,
"buffer overrun at position %d "
"(n = %u, off = %u, expected 0xfe "
"found 0x%02x%s)",
i, n, off, d[i], is_const ? ", const" : "");
return err;
}
static clib_error_t *
test_clib_memcpy_x86_64 (clib_error_t *err)
{
u8 src[MAX_LEN + 192];
u8 dst[MAX_LEN + 128];
for (int i = 0; i < ARRAY_LEN (src); i++)
src[i] = i & 0x7f;
for (int j = 0; j < ARRAY_LEN (const_tests); j++)
{
u8 *d = dst + 64;
u8 *s = src + 64;
u16 n = const_tests[j].len;
for (int i = 0; i < 128 + n; i++)
dst[i] = 0xfe;
const_tests[j].fp (d, s);
if ((err = validate_one (err, d, s, n, 0, /* is_const */ 1)))
return err;
}
for (u16 n = 1; n <= MAX_LEN; n++)
{
for (int off = 0; off < 64; off += 7)
{
u8 *d = dst + 64 + off;
u8 *s = src + 64;
for (int i = 0; i < 128 + n + off; i++)
dst[i] = 0xfe;
wrapper (d, s, n);
if ((err = validate_one (err, d, s, n, off, /* is_const */ 0)))
return err;
}
}
return err;
}
REGISTER_TEST (clib_memcpy_x86_64) = {
.name = "clib_memcpy_x86_64",
.fn = test_clib_memcpy_x86_64,
};
#endif
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