1 #define MAGIC_NUM 0xdeadbeefdeadbeefUL
2 #define GS_BASE 0x400000
20 	unsigned long memw = 0x123456789abcdeful;  in test_push()
22 	memset(mem, 0x55, (void *)stack_top - mem);  in test_push()
39 	report(stack_top[-3] == 0x123456789abcdeful, "push mem");  in test_push()
47 	unsigned long memw = 0x123456789abcdeful;  in test_pop()
50 	memset(mem, 0x55, (void *)stack_top - mem);  in test_pop()
90 	stack_top[-1] = 0x778899;  in test_pop()
101 	report(tmp == (ulong)stack_top && tmp3 == 0x778899, "leave");  in test_pop()
103 	rbp = 0xaa55aa55bb66bb66ULL;  in test_pop()
109 		     "enter $0x1238, $0 \n\t"  in test_pop()
115 	report(rsp == (unsigned long)stack_top - 8 - 0x1238  in test_pop()
117 	       && stack_top[-1] == 0xaa55aa55bb66bb66ULL,  in test_pop()
127 	asm volatile ("data16 mov %%cs, %0":"=m"(*(m + sizeof(unsigned long))));  in test_ljmp()
128 	asm volatile ("rex64 ljmp *%0"::"m"(*m));  in test_ljmp()
129 	res = 0;  in test_ljmp()
139 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xchg()
141 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xchg()
147 	report(rax == 0xfedcba98765432ef && *memq == 0x123456789abcd10,  in test_xchg()
150 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xchg()
152 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xchg()
158 	report(rax == 0xfedcba987654cdef && *memq == 0x123456789ab3210,  in test_xchg()
161 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xchg()
163 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xchg()
169 	report(rax == 0x89abcdef && *memq == 0x123456776543210,  in test_xchg()
172 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xchg()
174 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xchg()
180 	report(rax == 0x123456789abcdef && *memq == 0xfedcba9876543210,  in test_xchg()
189 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xadd()
191 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xadd()
197 	report(rax == 0xfedcba98765432ef && *memq == 0x123456789abcdff,  in test_xadd()
200 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xadd()
202 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xadd()
208 	report(rax == 0xfedcba987654cdef && *memq == 0x123456789abffff,  in test_xadd()
211 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xadd()
213 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xadd()
219 	report(rax == 0x89abcdef && *memq == 0x1234567ffffffff,  in test_xadd()
222 	asm volatile("mov $0x123456789abcdef, %%rax\n\t"  in test_xadd()
224 		     "mov $0xfedcba9876543210, %%rax\n\t"  in test_xadd()
230 	report(rax == 0x123456789abcdef && *memq == 0xffffffffffffffff,  in test_xadd()
239 	*mem = 0; a = 1; d = 2;  in test_muldiv()
240 	asm (ASM_TRY("1f") "divq %3; movb $0, %2; 1:"  in test_muldiv()
245 	asm (ASM_TRY("1f") "divq %3; movb $0, %2; 1:"  in test_muldiv()
247 	report(a == 0x1ffffffb1b963b33ul && d == 0x273ba4384ede2ul && !ex, "divq (1)");  in test_muldiv()
249 	aa = 0x1111111111111111; dd = 0x2222222222222222;  in test_muldiv()
250 	*mem = 0x3333333333333333; a = aa; d = dd;  in test_muldiv()
252 	report(a == 0x1111111111110363 && d == dd, "mulb mem");  in test_muldiv()
253 	*mem = 0x3333333333333333; a = aa; d = dd;  in test_muldiv()
255 	report(a == 0x111111111111c963 && d == 0x2222222222220369, "mulw mem");  in test_muldiv()
256 	*mem = 0x3333333333333333; a = aa; d = dd;  in test_muldiv()
258 	report(a == 0x962fc963 && d == 0x369d036, "mull mem");  in test_muldiv()
259 	*mem = 0x3333333333333333; a = aa; d = dd;  in test_muldiv()
261 	report(a == 0x2fc962fc962fc963 && d == 0x369d0369d0369d0, "mulq mem");  in test_muldiv()
270 	v = 0x0102030405060708ULL;  in test_mmx()
271 	asm("movq %1, %0" : "=m"(*mem) : "y"(v));  in test_mmx()
273 	*mem = 0x8070605040302010ull;  in test_mmx()
274 	asm("movq %1, %0" : "=y"(v) : "m"(*mem));  in test_mmx()
281 	insn_ram[0] = 0xc6;  in test_rip_relative()
282 	insn_ram[1] = 0x05;  in test_rip_relative()
284 	insn_ram[6] = 0x01;  in test_rip_relative()
286 	insn_ram[7] = 0xc3;  in test_rip_relative()
288 	*mem = 0;  in test_rip_relative()
290 	report(*mem == 0x10000, "movb $imm, 0(%%rip)");  in test_rip_relative()
296 	*mem = 0xabcdef12u;  in test_cmov()
297 	asm ("movq $0x1234567812345678, %%rax\n\t"  in test_cmov()
302 	report(val == 0x12345678ul, "cmovnel");  in test_cmov()
308 	uint16_t fcw = 0;  /* all exceptions unmasked */  in test_mmx_movq_mf()
331 	asm volatile (ASM_TRY("1f") "jmp *%0; 1:" : : "m"(*mem));  in test_jmp_noncanonical()
338 	/* RAX based, should #GP(0) */  in test_reg_noncanonical()
339 	asm volatile(ASM_TRY("1f") "orq $0, (%[noncanonical]); 1:"  in test_reg_noncanonical()
341 	report(exception_vector() == GP_VECTOR && exception_error_code() == 0,  in test_reg_noncanonical()
342 	       "non-canonical memory access, should %s(0), got %s(%u)",  in test_reg_noncanonical()
346 	/* RSP based, should #SS(0) */  in test_reg_noncanonical()
347 	asm volatile(ASM_TRY("1f") "orq $0, (%%rsp,%[noncanonical],1); 1:"  in test_reg_noncanonical()
349 	report(exception_vector() == SS_VECTOR && exception_error_code() == 0,  in test_reg_noncanonical()
350 	       "non-canonical rsp-based access, should %s(0), got %s(%u)",  in test_reg_noncanonical()
354 	/* RBP based, should #SS(0) */  in test_reg_noncanonical()
355 	asm volatile(ASM_TRY("1f") "orq $0, (%%rbp,%[noncanonical],1); 1:"  in test_reg_noncanonical()
357 	report(exception_vector() == SS_VECTOR && exception_error_code() == 0,  in test_reg_noncanonical()
358 	       "non-canonical rbp-based access, should %s(0), got %s(%u)",  in test_reg_noncanonical()
365 	/* mov $0x9090909090909090, %rcx */  in test_movabs()
367 	asm(KVM_FEP "mov $0x9090909090909090, %0" : "=c" (rcx) : "0" (0));  in test_movabs()
368 	report(rcx == 0x9090909090909090, "64-bit mov imm2");  in test_movabs()
373 	asm volatile(KVM_FEP "mov %0, %%fs" :: "r" (KERNEL_CS)); /* RPL=0 */  in load_dpl0_seg()
380 	run_in_user((usermode_func)load_dpl0_seg, GP_VECTOR, 0, 0, 0, 0,  in test_user_load_dpl0_seg()
383 	report(raised_vector, "Wanted #GP on CPL=3 DPL=0 segment load");  in test_user_load_dpl0_seg()
406 	*mem = 0;  in test_sreg()
407 	asm volatile("mov %0, %%ss" : : "m"(*mem));  in test_sreg()
408 	report(read_ss() == 0, "mov null, %%ss");  in test_sreg()
412 	asm volatile(ASM_TRY("1f") "mov %0, %%ss; 1:" : : "m"(*mem));  in test_sreg()
414 	       exception_error_code() == 0 && read_ss() == 0,  in test_sreg()
419 	asm volatile(ASM_TRY("1f") "mov %0, %%ss; 1:" : : "m"(*mem));  in test_sreg()
421 	       exception_error_code() == KERNEL_DS && read_ss() == 0,  in test_sreg()
434 	asm volatile("mov %%gs:(%1), %0" : "=r"(ret) : "r"(dummy_ptr));  in usr_gs_mov()
455 			0, 0, 0, 0, &raised_vector);  in test_iret()