1 // SPDX-License-Identifier: GPL-2.0-or-later
21 	"Please report to <linux-mips@vger.kernel.org>.";
34 		".rept	%1\n\t"  in align_mod()
66 	 * details.  I got no permission to duplicate them here,  in mult_sh_align_mod()
67 	 * sigh... --macro  in mult_sh_align_mod()
72 		: "0" (5), "1" (8), "2" (5));  in mult_sh_align_mod()
75 	 * The trailing nop is needed to fulfill the two-instruction  in mult_sh_align_mod()
88 		"dsll32 %1, %4, %5\n\t"  in mult_sh_align_mod()
103 		: "0" (m1), "1" (m2), "2" (s));  in mult_sh_align_mod()
120 	long v1[8], v2[8], w[8];  in check_mult_sh()
128 	 * the worst assumption of an R4000 I-cache line width of 32  in check_mult_sh()
135 	mult_sh_align_mod(&v1[1], &v2[1], &w[1], 32, 1);  in check_mult_sh()
144 	for (i = 0; i < 8; i++)  in check_mult_sh()
146 			bug = 1;  in check_mult_sh()
149 		pr_cont("no.\n");  in check_mult_sh()
155 	fix = 1;  in check_mult_sh()
156 	for (i = 0; i < 8; i++)  in check_mult_sh()
160 	if (fix == 1) {  in check_mult_sh()
165 	pr_cont("no.\n");  in check_mult_sh()
177 	daddi_ov = 1;  in do_daddi_ov()
178 	regs->cp0_epc += 4;  in do_daddi_ov()
187 	long v, tmp;  in check_daddi()  local
200 	 * I got no permission to duplicate it here, sigh... --macro  in check_daddi()
207 		"addiu	%1, $0, %2\n\t"  in check_daddi()
208 		"dsrl	%1, %1, 1\n\t"  in check_daddi()
212 		"daddi	%0, %1, %3\n\t"  in check_daddi()
214 		: "=r" (v), "=&r" (tmp)  in check_daddi()
220 		pr_cont("no.\n");  in check_daddi()
229 		"addiu	%1, $0, %2\n\t"  in check_daddi()
230 		"dsrl	%1, %1, 1\n\t"  in check_daddi()
231 		"daddi	%0, %1, %3"  in check_daddi()
232 		: "=r" (v), "=&r" (tmp)  in check_daddi()
242 	pr_cont("no.\n");  in check_daddi()
247 int daddiu_bug	= -1;
251 	long v, w, tmp;  in check_daddiu()  local
268 	 * I got no permission to duplicate the errata here, sigh...  in check_daddiu()
269 	 * --macro  in check_daddiu()
277 		"dsrl	%2, %2, 1\n\t"  in check_daddiu()
282 		"addiu	%1, $0, %4\n\t"  in check_daddiu()
283 		"daddu	%1, %2\n\t"  in check_daddiu()
285 		: "=&r" (v), "=&r" (w), "=&r" (tmp)  in check_daddiu()
288 	daddiu_bug = v != w;  in check_daddiu()
291 		pr_cont("no.\n");  in check_daddiu()
299 		"dsrl	%2, %2, 1\n\t"  in check_daddiu()
301 		"addiu	%1, $0, %4\n\t"  in check_daddiu()
302 		"daddu	%1, %2"  in check_daddiu()
303 		: "=&r" (v), "=&r" (w), "=&r" (tmp)  in check_daddiu()
306 	if (v == w) {  in check_daddiu()
311 	pr_cont("no.\n");  in check_daddiu()