root / tests / test-i386.c @ 1a9353d2
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <inttypes.h> |
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#include <math.h> |
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#define xglue(x, y) x ## y |
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#define glue(x, y) xglue(x, y)
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#define stringify(s) tostring(s)
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#define tostring(s) #s |
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#define CC_C 0x0001 |
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#define CC_P 0x0004 |
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#define CC_A 0x0010 |
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#define CC_Z 0x0040 |
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#define CC_S 0x0080 |
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#define CC_O 0x0800 |
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#define __init_call __attribute__ ((unused,__section__ (".initcall.init"))) |
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static void *call_start __init_call = NULL; |
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#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
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#define OP add
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#include "test-i386.h" |
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#define OP sub
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#include "test-i386.h" |
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#define OP xor
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#include "test-i386.h" |
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#define OP and
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#include "test-i386.h" |
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#define OP or
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#include "test-i386.h" |
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#define OP cmp
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#include "test-i386.h" |
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#define OP adc
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#define OP_CC
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#include "test-i386.h" |
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#define OP sbb
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#define OP_CC
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#include "test-i386.h" |
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#define OP inc
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#define OP dec
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#define OP neg
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#define OP not
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#undef CC_MASK
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#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
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#define OP shl
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#include "test-i386-shift.h" |
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#define OP shr
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#include "test-i386-shift.h" |
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#define OP sar
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#include "test-i386-shift.h" |
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#define OP rol
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#include "test-i386-shift.h" |
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#define OP ror
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#include "test-i386-shift.h" |
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#define OP rcr
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#define OP_CC
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#include "test-i386-shift.h" |
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#define OP rcl
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#define OP_CC
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#include "test-i386-shift.h" |
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#define OP shld
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#define OP_SHIFTD
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#define OP_NOBYTE
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#include "test-i386-shift.h" |
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#define OP shrd
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#define OP_SHIFTD
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#define OP_NOBYTE
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#include "test-i386-shift.h" |
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/* XXX: should be more precise ? */
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#undef CC_MASK
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#define CC_MASK (CC_C)
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#define OP bt
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#define OP_NOBYTE
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#include "test-i386-shift.h" |
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#define OP bts
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#define OP_NOBYTE
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#include "test-i386-shift.h" |
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#define OP btr
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#define OP_NOBYTE
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#include "test-i386-shift.h" |
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#define OP btc
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#define OP_NOBYTE
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#include "test-i386-shift.h" |
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|
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/* lea test (modrm support) */
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#define TEST_LEA(STR)\
|
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{\
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asm("leal " STR ", %0"\ |
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: "=r" (res)\
|
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: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
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printf("lea %s = %08x\n", STR, res);\
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} |
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#define TEST_LEA16(STR)\
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{\
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asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\ |
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: "=wq" (res)\
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: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
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printf("lea %s = %08x\n", STR, res);\
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} |
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void test_lea(void) |
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{
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int eax, ebx, ecx, edx, esi, edi, res;
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eax = 0x0001;
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ebx = 0x0002;
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ecx = 0x0004;
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edx = 0x0008;
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esi = 0x0010;
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edi = 0x0020;
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TEST_LEA("0x4000");
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TEST_LEA("(%%eax)");
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TEST_LEA("(%%ebx)");
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TEST_LEA("(%%ecx)");
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TEST_LEA("(%%edx)");
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TEST_LEA("(%%esi)");
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TEST_LEA("(%%edi)");
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TEST_LEA("0x40(%%eax)");
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TEST_LEA("0x40(%%ebx)");
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TEST_LEA("0x40(%%ecx)");
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TEST_LEA("0x40(%%edx)");
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TEST_LEA("0x40(%%esi)");
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TEST_LEA("0x40(%%edi)");
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TEST_LEA("0x4000(%%eax)");
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TEST_LEA("0x4000(%%ebx)");
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TEST_LEA("0x4000(%%ecx)");
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TEST_LEA("0x4000(%%edx)");
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TEST_LEA("0x4000(%%esi)");
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TEST_LEA("0x4000(%%edi)");
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TEST_LEA("(%%eax, %%ecx)");
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TEST_LEA("(%%ebx, %%edx)");
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TEST_LEA("(%%ecx, %%ecx)");
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TEST_LEA("(%%edx, %%ecx)");
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TEST_LEA("(%%esi, %%ecx)");
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TEST_LEA("(%%edi, %%ecx)");
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TEST_LEA("0x40(%%eax, %%ecx)");
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TEST_LEA("0x4000(%%ebx, %%edx)");
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TEST_LEA("(%%ecx, %%ecx, 2)");
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TEST_LEA("(%%edx, %%ecx, 4)");
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TEST_LEA("(%%esi, %%ecx, 8)");
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TEST_LEA("(,%%eax, 2)");
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TEST_LEA("(,%%ebx, 4)");
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TEST_LEA("(,%%ecx, 8)");
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TEST_LEA("0x40(,%%eax, 2)");
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TEST_LEA("0x40(,%%ebx, 4)");
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TEST_LEA("0x40(,%%ecx, 8)");
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TEST_LEA("-10(%%ecx, %%ecx, 2)");
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TEST_LEA("-10(%%edx, %%ecx, 4)");
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TEST_LEA("-10(%%esi, %%ecx, 8)");
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TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
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TEST_LEA("0x4000(%%edx, %%ecx, 4)");
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TEST_LEA("0x4000(%%esi, %%ecx, 8)");
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/* limited 16 bit addressing test */
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TEST_LEA16("0x4000");
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TEST_LEA16("(%%bx)");
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TEST_LEA16("(%%si)");
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TEST_LEA16("(%%di)");
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TEST_LEA16("0x40(%%bx)");
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TEST_LEA16("0x40(%%si)");
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TEST_LEA16("0x40(%%di)");
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TEST_LEA16("0x4000(%%bx)");
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TEST_LEA16("0x4000(%%si)");
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TEST_LEA16("(%%bx,%%si)");
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TEST_LEA16("(%%bx,%%di)");
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TEST_LEA16("0x40(%%bx,%%si)");
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TEST_LEA16("0x40(%%bx,%%di)");
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TEST_LEA16("0x4000(%%bx,%%si)");
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TEST_LEA16("0x4000(%%bx,%%di)");
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} |
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|
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#define TEST_JCC(JCC, v1, v2)\
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{\
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asm("movl $1, %0\n\t"\ |
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"cmpl %2, %1\n\t"\
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JCC " 1f\n\t"\
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"movl $0, %0\n\t"\
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"1:\n\t"\
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: "=r" (res)\
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: "r" (v1), "r" (v2));\ |
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printf("%-10s %d\n", JCC, res);\
|
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} |
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|
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/* various jump tests */
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void test_jcc(void) |
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{
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int res;
|
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|
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TEST_JCC("jne", 1, 1); |
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TEST_JCC("jne", 1, 0); |
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|
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TEST_JCC("je", 1, 1); |
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TEST_JCC("je", 1, 0); |
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|
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TEST_JCC("jl", 1, 1); |
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TEST_JCC("jl", 1, 0); |
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TEST_JCC("jl", 1, -1); |
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|
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TEST_JCC("jle", 1, 1); |
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TEST_JCC("jle", 1, 0); |
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TEST_JCC("jle", 1, -1); |
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|
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TEST_JCC("jge", 1, 1); |
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TEST_JCC("jge", 1, 0); |
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TEST_JCC("jge", -1, 1); |
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|
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TEST_JCC("jg", 1, 1); |
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TEST_JCC("jg", 1, 0); |
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TEST_JCC("jg", 1, -1); |
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|
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TEST_JCC("jb", 1, 1); |
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TEST_JCC("jb", 1, 0); |
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TEST_JCC("jb", 1, -1); |
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TEST_JCC("jbe", 1, 1); |
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TEST_JCC("jbe", 1, 0); |
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TEST_JCC("jbe", 1, -1); |
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TEST_JCC("jae", 1, 1); |
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TEST_JCC("jae", 1, 0); |
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TEST_JCC("jae", 1, -1); |
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TEST_JCC("ja", 1, 1); |
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TEST_JCC("ja", 1, 0); |
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TEST_JCC("ja", 1, -1); |
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|
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TEST_JCC("jp", 1, 1); |
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TEST_JCC("jp", 1, 0); |
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TEST_JCC("jnp", 1, 1); |
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TEST_JCC("jnp", 1, 0); |
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TEST_JCC("jo", 0x7fffffff, 0); |
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TEST_JCC("jo", 0x7fffffff, -1); |
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TEST_JCC("jno", 0x7fffffff, 0); |
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TEST_JCC("jno", 0x7fffffff, -1); |
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TEST_JCC("js", 0, 1); |
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TEST_JCC("js", 0, -1); |
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TEST_JCC("js", 0, 0); |
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TEST_JCC("jns", 0, 1); |
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TEST_JCC("jns", 0, -1); |
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TEST_JCC("jns", 0, 0); |
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} |
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|
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#undef CC_MASK
|
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#define CC_MASK (CC_O | CC_C)
|
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|
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#define OP mul
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#include "test-i386-muldiv.h" |
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#define OP imul
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#include "test-i386-muldiv.h" |
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#undef CC_MASK
|
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#define CC_MASK (0) |
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|
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#define OP div
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#include "test-i386-muldiv.h" |
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|
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#define OP idiv
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#include "test-i386-muldiv.h" |
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|
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void test_imulw2(int op0, int op1) |
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{
|
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int res, s1, s0, flags;
|
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s0 = op0; |
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s1 = op1; |
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res = s0; |
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flags = 0;
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asm ("push %4\n\t" |
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"popf\n\t"
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"imulw %w2, %w0\n\t"
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"pushf\n\t"
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"popl %1\n\t"
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: "=q" (res), "=g" (flags) |
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: "q" (s1), "0" (res), "1" (flags)); |
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printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
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"imulw", s0, s1, res, flags & CC_MASK);
|
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} |
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|
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void test_imull2(int op0, int op1) |
| 340 |
{
|
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int res, s1, s0, flags;
|
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s0 = op0; |
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s1 = op1; |
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res = s0; |
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flags = 0;
|
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asm ("push %4\n\t" |
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"popf\n\t"
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"imull %2, %0\n\t"
|
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"pushf\n\t"
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"popl %1\n\t"
|
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: "=q" (res), "=g" (flags) |
| 352 |
: "q" (s1), "0" (res), "1" (flags)); |
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printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
|
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"imull", s0, s1, res, flags & CC_MASK);
|
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} |
| 356 |
|
| 357 |
void test_mul(void) |
| 358 |
{
|
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test_imulb(0x1234561d, 4); |
| 360 |
test_imulb(3, -4); |
| 361 |
test_imulb(0x80, 0x80); |
| 362 |
test_imulb(0x10, 0x10); |
| 363 |
|
| 364 |
test_imulw(0, 0x1234001d, 45); |
| 365 |
test_imulw(0, 23, -45); |
| 366 |
test_imulw(0, 0x8000, 0x8000); |
| 367 |
test_imulw(0, 0x100, 0x100); |
| 368 |
|
| 369 |
test_imull(0, 0x1234001d, 45); |
| 370 |
test_imull(0, 23, -45); |
| 371 |
test_imull(0, 0x80000000, 0x80000000); |
| 372 |
test_imull(0, 0x10000, 0x10000); |
| 373 |
|
| 374 |
test_mulb(0x1234561d, 4); |
| 375 |
test_mulb(3, -4); |
| 376 |
test_mulb(0x80, 0x80); |
| 377 |
test_mulb(0x10, 0x10); |
| 378 |
|
| 379 |
test_mulw(0, 0x1234001d, 45); |
| 380 |
test_mulw(0, 23, -45); |
| 381 |
test_mulw(0, 0x8000, 0x8000); |
| 382 |
test_mulw(0, 0x100, 0x100); |
| 383 |
|
| 384 |
test_mull(0, 0x1234001d, 45); |
| 385 |
test_mull(0, 23, -45); |
| 386 |
test_mull(0, 0x80000000, 0x80000000); |
| 387 |
test_mull(0, 0x10000, 0x10000); |
| 388 |
|
| 389 |
test_imulw2(0x1234001d, 45); |
| 390 |
test_imulw2(23, -45); |
| 391 |
test_imulw2(0x8000, 0x8000); |
| 392 |
test_imulw2(0x100, 0x100); |
| 393 |
|
| 394 |
test_imull2(0x1234001d, 45); |
| 395 |
test_imull2(23, -45); |
| 396 |
test_imull2(0x80000000, 0x80000000); |
| 397 |
test_imull2(0x10000, 0x10000); |
| 398 |
|
| 399 |
test_idivb(0x12341678, 0x127e); |
| 400 |
test_idivb(0x43210123, -5); |
| 401 |
test_idivb(0x12340004, -1); |
| 402 |
|
| 403 |
test_idivw(0, 0x12345678, 12347); |
| 404 |
test_idivw(0, -23223, -45); |
| 405 |
test_idivw(0, 0x12348000, -1); |
| 406 |
test_idivw(0x12343, 0x12345678, 0x81238567); |
| 407 |
|
| 408 |
test_idivl(0, 0x12345678, 12347); |
| 409 |
test_idivl(0, -233223, -45); |
| 410 |
test_idivl(0, 0x80000000, -1); |
| 411 |
test_idivl(0x12343, 0x12345678, 0x81234567); |
| 412 |
|
| 413 |
test_divb(0x12341678, 0x127e); |
| 414 |
test_divb(0x43210123, -5); |
| 415 |
test_divb(0x12340004, -1); |
| 416 |
|
| 417 |
test_divw(0, 0x12345678, 12347); |
| 418 |
test_divw(0, -23223, -45); |
| 419 |
test_divw(0, 0x12348000, -1); |
| 420 |
test_divw(0x12343, 0x12345678, 0x81238567); |
| 421 |
|
| 422 |
test_divl(0, 0x12345678, 12347); |
| 423 |
test_divl(0, -233223, -45); |
| 424 |
test_divl(0, 0x80000000, -1); |
| 425 |
test_divl(0x12343, 0x12345678, 0x81234567); |
| 426 |
} |
| 427 |
|
| 428 |
#define TEST_BSX(op, size, op0)\
|
| 429 |
{\
|
| 430 |
int res, val, resz;\
|
| 431 |
val = op0;\ |
| 432 |
asm("xorl %1, %1 ; " #op " %" size "2, %" size "0 ; setz %b1" \ |
| 433 |
: "=r" (res), "=q" (resz)\ |
| 434 |
: "g" (val));\
|
| 435 |
printf("%-10s A=%08x R=%08x %d\n", #op, val, resz ? 0 : res, resz);\ |
| 436 |
} |
| 437 |
|
| 438 |
void test_bsx(void) |
| 439 |
{
|
| 440 |
TEST_BSX(bsrw, "w", 0); |
| 441 |
TEST_BSX(bsrw, "w", 0x12340128); |
| 442 |
TEST_BSX(bsrl, "", 0); |
| 443 |
TEST_BSX(bsrl, "", 0x00340128); |
| 444 |
TEST_BSX(bsfw, "w", 0); |
| 445 |
TEST_BSX(bsfw, "w", 0x12340128); |
| 446 |
TEST_BSX(bsfl, "", 0); |
| 447 |
TEST_BSX(bsfl, "", 0x00340128); |
| 448 |
} |
| 449 |
|
| 450 |
/**********************************************/
|
| 451 |
|
| 452 |
void test_fops(double a, double b) |
| 453 |
{
|
| 454 |
printf("a=%f b=%f a+b=%f\n", a, b, a + b);
|
| 455 |
printf("a=%f b=%f a-b=%f\n", a, b, a - b);
|
| 456 |
printf("a=%f b=%f a*b=%f\n", a, b, a * b);
|
| 457 |
printf("a=%f b=%f a/b=%f\n", a, b, a / b);
|
| 458 |
printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
|
| 459 |
printf("a=%f sqrt(a)=%f\n", a, sqrt(a));
|
| 460 |
printf("a=%f sin(a)=%f\n", a, sin(a));
|
| 461 |
printf("a=%f cos(a)=%f\n", a, cos(a));
|
| 462 |
printf("a=%f tan(a)=%f\n", a, tan(a));
|
| 463 |
printf("a=%f log(a)=%f\n", a, log(a));
|
| 464 |
printf("a=%f exp(a)=%f\n", a, exp(a));
|
| 465 |
printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
|
| 466 |
/* just to test some op combining */
|
| 467 |
printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
|
| 468 |
printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
|
| 469 |
printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
|
| 470 |
|
| 471 |
} |
| 472 |
|
| 473 |
void test_fcmp(double a, double b) |
| 474 |
{
|
| 475 |
printf("(%f<%f)=%d\n",
|
| 476 |
a, b, a < b); |
| 477 |
printf("(%f<=%f)=%d\n",
|
| 478 |
a, b, a <= b); |
| 479 |
printf("(%f==%f)=%d\n",
|
| 480 |
a, b, a == b); |
| 481 |
printf("(%f>%f)=%d\n",
|
| 482 |
a, b, a > b); |
| 483 |
printf("(%f<=%f)=%d\n",
|
| 484 |
a, b, a >= b); |
| 485 |
} |
| 486 |
|
| 487 |
void test_fcvt(double a) |
| 488 |
{
|
| 489 |
float fa;
|
| 490 |
long double la; |
| 491 |
|
| 492 |
fa = a; |
| 493 |
la = a; |
| 494 |
printf("(float)%f = %f\n", a, fa);
|
| 495 |
printf("(long double)%f = %Lf\n", a, la);
|
| 496 |
printf("a=%016Lx\n", *(long long *)&a); |
| 497 |
printf("la=%016Lx %04x\n", *(long long *)&la, |
| 498 |
*(unsigned short *)((char *)(&la) + 8)); |
| 499 |
printf("a=%f floor(a)=%f\n", a, floor(a));
|
| 500 |
printf("a=%f ceil(a)=%f\n", a, ceil(a));
|
| 501 |
printf("a=%f rint(a)=%f\n", a, rint(a));
|
| 502 |
} |
| 503 |
|
| 504 |
#define TEST(N) \
|
| 505 |
asm("fld" #N : "=t" (a)); \ |
| 506 |
printf("fld" #N "= %f\n", a); |
| 507 |
|
| 508 |
void test_fconst(void) |
| 509 |
{
|
| 510 |
double a;
|
| 511 |
TEST(1);
|
| 512 |
TEST(l2t); |
| 513 |
TEST(l2e); |
| 514 |
TEST(pi); |
| 515 |
TEST(lg2); |
| 516 |
TEST(ln2); |
| 517 |
TEST(z); |
| 518 |
} |
| 519 |
|
| 520 |
void test_fbcd(double a) |
| 521 |
{
|
| 522 |
unsigned short bcd[5]; |
| 523 |
double b;
|
| 524 |
|
| 525 |
asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st"); |
| 526 |
asm("fbld %1" : "=t" (b) : "m" (bcd[0])); |
| 527 |
printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
|
| 528 |
a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); |
| 529 |
} |
| 530 |
|
| 531 |
void test_floats(void) |
| 532 |
{
|
| 533 |
test_fops(2, 3); |
| 534 |
test_fops(1.4, -5); |
| 535 |
test_fcmp(2, -1); |
| 536 |
test_fcmp(2, 2); |
| 537 |
test_fcmp(2, 3); |
| 538 |
test_fcvt(1.0/7.0); |
| 539 |
test_fcvt(-1.0/9.0); |
| 540 |
test_fcvt(1e30);
|
| 541 |
test_fconst(); |
| 542 |
test_fbcd(1234567890123456);
|
| 543 |
test_fbcd(-123451234567890);
|
| 544 |
} |
| 545 |
|
| 546 |
/**********************************************/
|
| 547 |
|
| 548 |
#define TEST_BCD(op, op0, cc_in, cc_mask)\
|
| 549 |
{\
|
| 550 |
int res, flags;\
|
| 551 |
res = op0;\ |
| 552 |
flags = cc_in;\ |
| 553 |
asm ("push %3\n\t"\ |
| 554 |
"popf\n\t"\
|
| 555 |
#op "\n\t"\ |
| 556 |
"pushf\n\t"\
|
| 557 |
"popl %1\n\t"\
|
| 558 |
: "=a" (res), "=g" (flags)\ |
| 559 |
: "0" (res), "1" (flags));\ |
| 560 |
printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\
|
| 561 |
#op, op0, res, cc_in, flags & cc_mask);\
|
| 562 |
} |
| 563 |
|
| 564 |
void test_bcd(void) |
| 565 |
{
|
| 566 |
TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 567 |
TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 568 |
TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 569 |
TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 570 |
TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 571 |
TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 572 |
TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 573 |
TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 574 |
TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 575 |
TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 576 |
TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 577 |
TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 578 |
TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 579 |
|
| 580 |
TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 581 |
TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 582 |
TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 583 |
TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 584 |
TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 585 |
TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 586 |
TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 587 |
TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 588 |
TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 589 |
TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 590 |
TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 591 |
TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 592 |
TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 593 |
|
| 594 |
TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A));
|
| 595 |
TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A));
|
| 596 |
TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A));
|
| 597 |
TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A));
|
| 598 |
TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A)); |
| 599 |
TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A)); |
| 600 |
TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A)); |
| 601 |
TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A)); |
| 602 |
|
| 603 |
TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A));
|
| 604 |
TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A));
|
| 605 |
TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A));
|
| 606 |
TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A));
|
| 607 |
TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A)); |
| 608 |
TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A)); |
| 609 |
TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A)); |
| 610 |
TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A)); |
| 611 |
|
| 612 |
TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
| 613 |
TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
| 614 |
} |
| 615 |
|
| 616 |
/**********************************************/
|
| 617 |
/* segmentation tests */
|
| 618 |
|
| 619 |
#include <asm/ldt.h> |
| 620 |
#include <linux/unistd.h> |
| 621 |
|
| 622 |
_syscall3(int, modify_ldt, int, func, void *, ptr, unsigned long, bytecount) |
| 623 |
|
| 624 |
uint8_t seg_data1[4096];
|
| 625 |
uint8_t seg_data2[4096];
|
| 626 |
|
| 627 |
#define MK_SEL(n) (((n) << 3) | 4) |
| 628 |
|
| 629 |
/* NOTE: we use Linux modify_ldt syscall */
|
| 630 |
void test_segs(void) |
| 631 |
{
|
| 632 |
struct modify_ldt_ldt_s ldt;
|
| 633 |
long long ldt_table[3]; |
| 634 |
int i, res, res2;
|
| 635 |
char tmp;
|
| 636 |
|
| 637 |
ldt.entry_number = 1;
|
| 638 |
ldt.base_addr = (unsigned long)&seg_data1; |
| 639 |
ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; |
| 640 |
ldt.seg_32bit = 1;
|
| 641 |
ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
| 642 |
ldt.read_exec_only = 0;
|
| 643 |
ldt.limit_in_pages = 1;
|
| 644 |
ldt.seg_not_present = 0;
|
| 645 |
ldt.useable = 1;
|
| 646 |
modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
| 647 |
|
| 648 |
ldt.entry_number = 2;
|
| 649 |
ldt.base_addr = (unsigned long)&seg_data2; |
| 650 |
ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12; |
| 651 |
ldt.seg_32bit = 1;
|
| 652 |
ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
| 653 |
ldt.read_exec_only = 0;
|
| 654 |
ldt.limit_in_pages = 1;
|
| 655 |
ldt.seg_not_present = 0;
|
| 656 |
ldt.useable = 1;
|
| 657 |
modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
| 658 |
|
| 659 |
modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */ |
| 660 |
for(i=0;i<3;i++) |
| 661 |
printf("%d: %016Lx\n", i, ldt_table[i]);
|
| 662 |
|
| 663 |
/* do some tests with fs or gs */
|
| 664 |
asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); |
| 665 |
asm volatile ("movl %0, %%gs" : : "r" (MK_SEL(2))); |
| 666 |
|
| 667 |
seg_data1[1] = 0xaa; |
| 668 |
seg_data2[1] = 0x55; |
| 669 |
|
| 670 |
asm volatile ("fs movzbl 0x1, %0" : "=r" (res)); |
| 671 |
printf("FS[1] = %02x\n", res);
|
| 672 |
|
| 673 |
asm volatile ("gs movzbl 0x1, %0" : "=r" (res)); |
| 674 |
printf("GS[1] = %02x\n", res);
|
| 675 |
|
| 676 |
/* tests with ds/ss (implicit segment case) */
|
| 677 |
tmp = 0xa5;
|
| 678 |
asm volatile ("pushl %%ebp\n\t" |
| 679 |
"pushl %%ds\n\t"
|
| 680 |
"movl %2, %%ds\n\t"
|
| 681 |
"movl %3, %%ebp\n\t"
|
| 682 |
"movzbl 0x1, %0\n\t"
|
| 683 |
"movzbl (%%ebp), %1\n\t"
|
| 684 |
"popl %%ds\n\t"
|
| 685 |
"popl %%ebp\n\t"
|
| 686 |
: "=r" (res), "=r" (res2) |
| 687 |
: "r" (MK_SEL(1)), "r" (&tmp)); |
| 688 |
printf("DS[1] = %02x\n", res);
|
| 689 |
printf("SS[tmp] = %02x\n", res2);
|
| 690 |
} |
| 691 |
|
| 692 |
#define TEST_XCHG(op, size, opconst)\
|
| 693 |
{\
|
| 694 |
int op0, op1;\
|
| 695 |
op0 = 0x12345678;\
|
| 696 |
op1 = 0xfbca7654;\
|
| 697 |
asm(#op " %" size "0, %" size "1" \ |
| 698 |
: "=q" (op0), opconst (op1) \
|
| 699 |
: "0" (op0), "1" (op1));\ |
| 700 |
printf("%-10s A=%08x B=%08x\n",\
|
| 701 |
#op, op0, op1);\
|
| 702 |
} |
| 703 |
|
| 704 |
void test_xchg(void) |
| 705 |
{
|
| 706 |
TEST_XCHG(xchgl, "", "=q"); |
| 707 |
TEST_XCHG(xchgw, "w", "=q"); |
| 708 |
TEST_XCHG(xchgb, "b", "=q"); |
| 709 |
|
| 710 |
TEST_XCHG(xchgl, "", "=m"); |
| 711 |
TEST_XCHG(xchgw, "w", "=m"); |
| 712 |
TEST_XCHG(xchgb, "b", "=m"); |
| 713 |
|
| 714 |
TEST_XCHG(xaddl, "", "=q"); |
| 715 |
TEST_XCHG(xaddw, "w", "=q"); |
| 716 |
TEST_XCHG(xaddb, "b", "=q"); |
| 717 |
|
| 718 |
TEST_XCHG(xaddl, "", "=m"); |
| 719 |
TEST_XCHG(xaddw, "w", "=m"); |
| 720 |
TEST_XCHG(xaddb, "b", "=m"); |
| 721 |
} |
| 722 |
|
| 723 |
static void *call_end __init_call = NULL; |
| 724 |
|
| 725 |
int main(int argc, char **argv) |
| 726 |
{
|
| 727 |
void **ptr;
|
| 728 |
void (*func)(void); |
| 729 |
|
| 730 |
ptr = &call_start + 1;
|
| 731 |
while (*ptr != NULL) { |
| 732 |
func = *ptr++; |
| 733 |
func(); |
| 734 |
} |
| 735 |
test_bsx(); |
| 736 |
test_mul(); |
| 737 |
test_jcc(); |
| 738 |
test_floats(); |
| 739 |
test_bcd(); |
| 740 |
test_xchg(); |
| 741 |
test_lea(); |
| 742 |
test_segs(); |
| 743 |
return 0; |
| 744 |
} |