Revision 070893f4 tests/test-i386.c
| b/tests/test-i386.c | ||
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#include <math.h> |
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#include <signal.h> |
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#include <setjmp.h> |
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#include <errno.h> |
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#include <sys/ucontext.h> |
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#include <sys/mman.h> |
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#include <asm/vm86.h> |
| ... | ... | |
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#endif |
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/* do some tests with fs or gs */ |
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asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1)));
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asm volatile ("movl %0, %%gs" : : "r" (MK_SEL(2)));
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seg_data1[1] = 0xaa; |
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seg_data2[1] = 0x55; |
| ... | ... | |
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asm volatile ("fs movzbl 0x1, %0" : "=r" (res));
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printf("FS[1] = %02x\n", res);
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asm volatile ("gs movzbl 0x1, %0" : "=r" (res));
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asm volatile ("pushl %%gs\n"
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"movl %1, %%gs\n" |
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"gs movzbl 0x1, %0\n" |
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"popl %%gs\n" |
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: "=r" (res) |
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: "r" (MK_SEL(2))); |
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printf("GS[1] = %02x\n", res);
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/* tests with ds/ss (implicit segment case) */ |
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