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added LAR/LSL tests

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@152 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-05-10 21:39:12 +00:00
parent 72cc388104
commit 288426fe3c
1 changed files with 23 additions and 0 deletions
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23
tests/test-i386.c
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@ -707,6 +707,19 @@ uint8_t seg_data2[4096];
#define MK_SEL(n) (((n) << 3) | 7) #define MK_SEL(n) (((n) << 3) | 7)
#define TEST_LR(op, size, seg, mask)\
{\
int res, res2;\
res = 0x12345678;\
asm (op " %" size "2, %" size "0\n" \
"movl $0, %1\n"\
"jnz 1f\n"\
"movl $1, %1\n"\
"1:\n"\
: "=r" (res), "=r" (res2) : "m" (seg), "0" (res));\
printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
}
/* NOTE: we use Linux modify_ldt syscall */ /* NOTE: we use Linux modify_ldt syscall */
void test_segs(void) void test_segs(void)
{ {
@ -784,6 +797,16 @@ void test_segs(void)
: "=r" (res), "=g" (res2) : "=r" (res), "=g" (res2)
: "m" (segoff)); : "m" (segoff));
printf("FS:reg = %04x:%08x\n", res2, res); printf("FS:reg = %04x:%08x\n", res2, res);
TEST_LR("larw", "w", MK_SEL(2), 0x0100);
TEST_LR("larl", "", MK_SEL(2), 0x0100);
TEST_LR("lslw", "w", MK_SEL(2), 0);
TEST_LR("lsll", "", MK_SEL(2), 0);
TEST_LR("larw", "w", 0xfff8, 0);
TEST_LR("larl", "", 0xfff8, 0);
TEST_LR("lslw", "w", 0xfff8, 0);
TEST_LR("lsll", "", 0xfff8, 0);
} }
/* 16 bit code test */ /* 16 bit code test */