mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 03:16:43 +07:00
50af5ead3b
With bug.h currently living right in linux/kernel.h there are files that use BUG_ON and friends but are not including the header explicitly. Fix them up so we can remove the presence in kernel.h file. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
#include <linux/bug.h>
|
|
#include <linux/kernel.h>
|
|
|
|
#include "opcode.h"
|
|
#include "selftest.h"
|
|
|
|
struct selftest_opcode {
|
|
unsigned int expected_size;
|
|
const uint8_t *insn;
|
|
const char *desc;
|
|
};
|
|
|
|
static const struct selftest_opcode selftest_opcodes[] = {
|
|
/* REP MOVS */
|
|
{1, "\xf3\xa4", "rep movsb <mem8>, <mem8>"},
|
|
{4, "\xf3\xa5", "rep movsl <mem32>, <mem32>"},
|
|
|
|
/* MOVZX / MOVZXD */
|
|
{1, "\x66\x0f\xb6\x51\xf8", "movzwq <mem8>, <reg16>"},
|
|
{1, "\x0f\xb6\x51\xf8", "movzwq <mem8>, <reg32>"},
|
|
|
|
/* MOVSX / MOVSXD */
|
|
{1, "\x66\x0f\xbe\x51\xf8", "movswq <mem8>, <reg16>"},
|
|
{1, "\x0f\xbe\x51\xf8", "movswq <mem8>, <reg32>"},
|
|
|
|
#ifdef CONFIG_X86_64
|
|
/* MOVZX / MOVZXD */
|
|
{1, "\x49\x0f\xb6\x51\xf8", "movzbq <mem8>, <reg64>"},
|
|
{2, "\x49\x0f\xb7\x51\xf8", "movzbq <mem16>, <reg64>"},
|
|
|
|
/* MOVSX / MOVSXD */
|
|
{1, "\x49\x0f\xbe\x51\xf8", "movsbq <mem8>, <reg64>"},
|
|
{2, "\x49\x0f\xbf\x51\xf8", "movsbq <mem16>, <reg64>"},
|
|
{4, "\x49\x63\x51\xf8", "movslq <mem32>, <reg64>"},
|
|
#endif
|
|
};
|
|
|
|
static bool selftest_opcode_one(const struct selftest_opcode *op)
|
|
{
|
|
unsigned size;
|
|
|
|
kmemcheck_opcode_decode(op->insn, &size);
|
|
|
|
if (size == op->expected_size)
|
|
return true;
|
|
|
|
printk(KERN_WARNING "kmemcheck: opcode %s: expected size %d, got %d\n",
|
|
op->desc, op->expected_size, size);
|
|
return false;
|
|
}
|
|
|
|
static bool selftest_opcodes_all(void)
|
|
{
|
|
bool pass = true;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(selftest_opcodes); ++i)
|
|
pass = pass && selftest_opcode_one(&selftest_opcodes[i]);
|
|
|
|
return pass;
|
|
}
|
|
|
|
bool kmemcheck_selftest(void)
|
|
{
|
|
bool pass = true;
|
|
|
|
pass = pass && selftest_opcodes_all();
|
|
|
|
return pass;
|
|
}
|