mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

added shift tests

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@12 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-02-24 23:43:02 +00:00
parent 4d1135e486
commit 379ca80d34
3 changed files with 104 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tests/Makefile
View File

@ -17,7 +17,7 @@ test2: test2.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
# i386 emulation test (dump various opcodes) */ # i386 emulation test (dump various opcodes) */
test-i386: test-i386.c test-i386.h test-i386: test-i386.c test-i386.h test-i386-shift.h
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
test: test-i386 test: test-i386

79
tests/test-i386-shift.h Normal file
View File

@ -0,0 +1,79 @@
#define exec_op glue(exec_, OP)
#define exec_opl glue(glue(exec_, OP), l)
#define exec_opw glue(glue(exec_, OP), w)
#define exec_opb glue(glue(exec_, OP), b)
#define EXECSHIFT(size, res, s1, flags) \
asm ("push %4\n\t"\
"popf\n\t"\
stringify(OP) size " %%cl, %" size "0\n\t" \
"pushf\n\t"\
"popl %1\n\t"\
: "=q" (res), "=g" (flags)\
: "c" (s1), "0" (res), "1" (flags));
void exec_opl(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECSHIFT("", res, s1, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
}
void exec_opw(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECSHIFT("w", res, s1, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
}
void exec_opb(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECSHIFT("b", res, s1, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
}
void exec_op(int s0, int s1)
{
exec_opl(s0, s1, 0);
exec_opw(s0, s1, 0);
exec_opb(s0, s1, 0);
#ifdef OP_CC
exec_opl(s0, s1, CC_C);
exec_opw(s0, s1, CC_C);
exec_opb(s0, s1, CC_C);
#endif
}
void glue(test_, OP)(void)
{
int i;
for(i = 0; i < 32; i++)
exec_op(0x12345678, i);
for(i = 0; i < 32; i++)
exec_op(0x82345678, i);
}
void *glue(_test_, OP) __init_call = glue(test_, OP);
#undef OP
#undef OP_CC

24
tests/test-i386.c
View File

@ -67,6 +67,30 @@ static void *call_start __init_call = NULL;
#define OP1 #define OP1
#include "test-i386.h" #include "test-i386.h"
#define OP shl
#include "test-i386-shift.h"
#define OP shr
#include "test-i386-shift.h"
#define OP sar
#include "test-i386-shift.h"
#define OP rol
#include "test-i386-shift.h"
#define OP ror
#include "test-i386-shift.h"
#define OP rcr
#define OP_CC
#include "test-i386-shift.h"
#define OP rcl
#define OP_CC
#include "test-i386-shift.h"
/* lea test (modrm support) */ /* lea test (modrm support) */
#define TEST_LEA(STR)\ #define TEST_LEA(STR)\
{\ {\