riscv/vector/vstate_prctl.c

65 	long flag;
71 	flag = PR_RISCV_V_VSTATE_CTRL_ON;
72 	rc = prctl(PR_RISCV_V_SET_CONTROL, flag);
78 	long flag;
84 	flag = PR_RISCV_V_VSTATE_CTRL_OFF;
85 	rc = prctl(PR_RISCV_V_SET_CONTROL, flag);
94 	long flag;
105 	flag = PR_RISCV_V_VSTATE_CTRL_ON << PR_RISCV_V_VSTATE_CTRL_NEXT_SHIFT;
107 	EXPECT_EQ(0, test_and_compare_child(flag, PR_RISCV_V_VSTATE_CTRL_ON, 0, xtheadvector));
112 	long flag;
123 	flag = PR_RISCV_V_VSTATE_CTRL_OFF << PR_RISCV_V_VSTATE_CTRL_NEXT_SHIFT;
125 	EXPECT_EQ(0, test_and_compare_child(flag, PR_RISCV_V_VSTATE_CTRL_OFF, 1, xtheadvector));
130 	long flag, expected;
141 	flag = PR_RISCV_V_VSTATE_CTRL_ON << PR_RISCV_V_VSTATE_CTRL_NEXT_SHIFT;
142 	flag |= PR_RISCV_V_VSTATE_CTRL_INHERIT;
143 	expected = flag | PR_RISCV_V_VSTATE_CTRL_ON;
145 	EXPECT_EQ(0, test_and_compare_child(flag, expected, 0, xtheadvector));
150 	long flag, expected;
161 	flag = PR_RISCV_V_VSTATE_CTRL_ON << PR_RISCV_V_VSTATE_CTRL_NEXT_SHIFT;
162 	flag |= PR_RISCV_V_VSTATE_CTRL_INHERIT;
163 	expected = flag | PR_RISCV_V_VSTATE_CTRL_ON;
165 	EXPECT_EQ(0, test_and_compare_child(flag, expected, 1, xtheadvector));
170 	long flag, expected;
180 	flag = PR_RISCV_V_VSTATE_CTRL_OFF << PR_RISCV_V_VSTATE_CTRL_NEXT_SHIFT;
181 	flag |= PR_RISCV_V_VSTATE_CTRL_INHERIT;
182 	expected = flag | PR_RISCV_V_VSTATE_CTRL_OFF;
184 	EXPECT_EQ(0, test_and_compare_child(flag, expected, 0, xtheadvector));
189 	long flag, expected;
200 	flag = PR_RISCV_V_VSTATE_CTRL_OFF << PR_RISCV_V_VSTATE_CTRL_NEXT_SHIFT;
201 	flag |= PR_RISCV_V_VSTATE_CTRL_INHERIT;
202 	expected = flag | PR_RISCV_V_VSTATE_CTRL_OFF;
204 	EXPECT_EQ(0, test_and_compare_child(flag, expected, 1, xtheadvector));