Commit e1d4294a authored by bellard's avatar bellard
Browse files

more tests


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@51 c046a42c-6fe2-441c-8c8c-71466251a162
parent c3c7c292
......@@ -714,6 +714,10 @@ void test_segs(void)
long long ldt_table[3];
int res, res2;
char tmp;
struct {
uint32_t offset;
uint16_t seg;
} __attribute__((packed)) segoff;
ldt.entry_number = 1;
ldt.base_addr = (unsigned long)&seg_data1;
......@@ -772,6 +776,14 @@ void test_segs(void)
: "r" (MK_SEL(1)), "r" (&tmp));
printf("DS[1] = %02x\n", res);
printf("SS[tmp] = %02x\n", res2);
segoff.seg = MK_SEL(2);
segoff.offset = 0xabcdef12;
asm volatile("lfs %2, %0\n\t"
"movl %%fs, %1\n\t"
: "=r" (res), "=g" (res2)
: "m" (segoff));
printf("FS:reg = %04x:%08x\n", res2, res);
}
/* 16 bit code test */
......@@ -812,6 +824,71 @@ void test_code16(void)
printf("func3() = 0x%08x\n", res);
}
void test_misc(void)
{
char table[256];
int res, i;
for(i=0;i<256;i++) table[i] = 256 - i;
res = 0x12345678;
asm ("xlat" : "=a" (res) : "b" (table), "0" (res));
printf("xlat: EAX=%08x\n", res);
}
uint8_t str_buffer[4096];
#define TEST_STRING1(OP, size, DF, REP)\
{\
int esi, edi, eax, ecx, eflags;\
\
esi = (long)(str_buffer + sizeof(str_buffer) / 2);\
edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\
eax = 0x12345678;\
ecx = 17;\
\
asm volatile ("pushl $0\n\t"\
"popf\n\t"\
DF "\n\t"\
REP #OP size "\n\t"\
"cld\n\t"\
"pushf\n\t"\
"popl %4\n\t"\
: "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\
: "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\
printf("%-10s ESI=%08x EDI=%08x EAX=%08x ECX=%08x EFL=%04x\n",\
REP #OP size, esi, edi, eax, ecx,\
eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\
}
#define TEST_STRING(OP, REP)\
TEST_STRING1(OP, "b", "", REP);\
TEST_STRING1(OP, "w", "", REP);\
TEST_STRING1(OP, "l", "", REP);\
TEST_STRING1(OP, "b", "std", REP);\
TEST_STRING1(OP, "w", "std", REP);\
TEST_STRING1(OP, "l", "std", REP)
void test_string(void)
{
int i;
for(i = 0;i < sizeof(str_buffer); i++)
str_buffer[i] = i + 0x56;
TEST_STRING(stos, "");
TEST_STRING(stos, "rep ");
TEST_STRING(lods, ""); /* to verify stos */
TEST_STRING(lods, "rep ");
TEST_STRING(movs, "");
TEST_STRING(movs, "rep ");
TEST_STRING(lods, ""); /* to verify stos */
/* XXX: better tests */
TEST_STRING(scas, "");
TEST_STRING(scas, "repz ");
TEST_STRING(scas, "repnz ");
TEST_STRING(cmps, "");
TEST_STRING(cmps, "repz ");
TEST_STRING(cmps, "repnz ");
}
static void *call_end __init_call = NULL;
......@@ -831,6 +908,8 @@ int main(int argc, char **argv)
test_floats();
test_bcd();
test_xchg();
test_string();
test_misc();
test_lea();
test_segs();
test_code16();
......
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