67 	return 0;  in patch_alt_instruction()
83 		return 0;  in patch_feature_section()
98 	return 0;  in patch_feature_section()
131 	instrs[0] = 0x60000000; /* nop */  in do_stf_entry_barrier_fixups()
132 	instrs[1] = 0x60000000; /* nop */  in do_stf_entry_barrier_fixups()
133 	instrs[2] = 0x60000000; /* nop */  in do_stf_entry_barrier_fixups()
135 	i = 0;  in do_stf_entry_barrier_fixups()
137 		instrs[i++] = 0x7d4802a6; /* mflr r10		*/  in do_stf_entry_barrier_fixups()
138 		instrs[i++] = 0x60000000; /* branch patched below */  in do_stf_entry_barrier_fixups()
139 		instrs[i++] = 0x7d4803a6; /* mtlr r10		*/  in do_stf_entry_barrier_fixups()
141 		instrs[i++] = 0x7e0006ac; /* eieio + bit 6 hint */  in do_stf_entry_barrier_fixups()
143 		instrs[i++] = 0x7c0004ac; /* hwsync		*/  in do_stf_entry_barrier_fixups()
144 		instrs[i++] = 0xe94d0000; /* ld r10,0(r13)	*/  in do_stf_entry_barrier_fixups()
145 		instrs[i++] = 0x63ff0000; /* ori 31,31,0 speculation barrier */  in do_stf_entry_barrier_fixups()
148 	for (i = 0; start < end; start++, i++) {  in do_stf_entry_barrier_fixups()
153 		patch_instruction((struct ppc_inst *)dest, ppc_inst(instrs[0]));  in do_stf_entry_barrier_fixups()
183 	instrs[0] = 0x60000000; /* nop */  in do_stf_exit_barrier_fixups()
184 	instrs[1] = 0x60000000; /* nop */  in do_stf_exit_barrier_fixups()
185 	instrs[2] = 0x60000000; /* nop */  in do_stf_exit_barrier_fixups()
186 	instrs[3] = 0x60000000; /* nop */  in do_stf_exit_barrier_fixups()
187 	instrs[4] = 0x60000000; /* nop */  in do_stf_exit_barrier_fixups()
188 	instrs[5] = 0x60000000; /* nop */  in do_stf_exit_barrier_fixups()
190 	i = 0;  in do_stf_exit_barrier_fixups()
193 			instrs[i++] = 0x7db14ba6; /* mtspr 0x131, r13 (HSPRG1) */  in do_stf_exit_barrier_fixups()
194 			instrs[i++] = 0x7db04aa6; /* mfspr r13, 0x130 (HSPRG0) */  in do_stf_exit_barrier_fixups()
196 			instrs[i++] = 0x7db243a6; /* mtsprg 2,r13	*/  in do_stf_exit_barrier_fixups()
197 			instrs[i++] = 0x7db142a6; /* mfsprg r13,1    */  in do_stf_exit_barrier_fixups()
199 		instrs[i++] = 0x7c0004ac; /* hwsync		*/  in do_stf_exit_barrier_fixups()
200 		instrs[i++] = 0xe9ad0000; /* ld r13,0(r13)	*/  in do_stf_exit_barrier_fixups()
201 		instrs[i++] = 0x63ff0000; /* ori 31,31,0 speculation barrier */  in do_stf_exit_barrier_fixups()
203 			instrs[i++] = 0x7db14aa6; /* mfspr r13, 0x131 (HSPRG1) */  in do_stf_exit_barrier_fixups()
205 			instrs[i++] = 0x7db242a6; /* mfsprg r13,2 */  in do_stf_exit_barrier_fixups()
208 		instrs[i++] = 0x7e0006ac; /* eieio + bit 6 hint */  in do_stf_exit_barrier_fixups()
211 	for (i = 0; start < end; start++, i++) {  in do_stf_exit_barrier_fixups()
216 		patch_instruction((struct ppc_inst *)dest, ppc_inst(instrs[0]));  in do_stf_exit_barrier_fixups()
238 	return 0;  in __do_stf_barrier_fixups()
261 	instrs[0] = 0x60000000; /* nop */  in do_uaccess_flush_fixups()
262 	instrs[1] = 0x60000000; /* nop */  in do_uaccess_flush_fixups()
263 	instrs[2] = 0x60000000; /* nop */  in do_uaccess_flush_fixups()
264 	instrs[3] = 0x4e800020; /* blr */  in do_uaccess_flush_fixups()
266 	i = 0;  in do_uaccess_flush_fixups()
268 		instrs[3] = 0x60000000; /* nop */  in do_uaccess_flush_fixups()
273 		instrs[i++] = 0x63ff0000; /* ori 31,31,0 speculation barrier */  in do_uaccess_flush_fixups()
274 		instrs[i++] = 0x63de0000; /* ori 30,30,0 L1d flush*/  in do_uaccess_flush_fixups()
278 		instrs[i++] = 0x7c12dba6; /* mtspr TRIG2,r0 (SPR #882) */  in do_uaccess_flush_fixups()
280 	for (i = 0; start < end; start++, i++) {  in do_uaccess_flush_fixups()
285 		patch_instruction((struct ppc_inst *)dest, ppc_inst(instrs[0]));  in do_uaccess_flush_fixups()
309 	instrs[0] = 0x60000000; /* nop */  in __do_entry_flush_fixups()
310 	instrs[1] = 0x60000000; /* nop */  in __do_entry_flush_fixups()
311 	instrs[2] = 0x60000000; /* nop */  in __do_entry_flush_fixups()
313 	i = 0;  in __do_entry_flush_fixups()
315 		instrs[i++] = 0x7d4802a6; /* mflr r10		*/  in __do_entry_flush_fixups()
316 		instrs[i++] = 0x60000000; /* branch patched below */  in __do_entry_flush_fixups()
317 		instrs[i++] = 0x7d4803a6; /* mtlr r10		*/  in __do_entry_flush_fixups()
321 		instrs[i++] = 0x63ff0000; /* ori 31,31,0 speculation barrier */  in __do_entry_flush_fixups()
322 		instrs[i++] = 0x63de0000; /* ori 30,30,0 L1d flush*/  in __do_entry_flush_fixups()
326 		instrs[i++] = 0x7c12dba6; /* mtspr TRIG2,r0 (SPR #882) */  in __do_entry_flush_fixups()
330 	for (i = 0; start < end; start++, i++) {  in __do_entry_flush_fixups()
335 		patch_instruction((struct ppc_inst *)dest, ppc_inst(instrs[0]));  in __do_entry_flush_fixups()
353 		patch_instruction((struct ppc_inst *)dest, ppc_inst(instrs[0]));  in __do_entry_flush_fixups()
374 	return 0;  in __do_entry_flush_fixups()
397 	instrs[0] = 0x60000000; /* nop */  in do_rfi_flush_fixups()
398 	instrs[1] = 0x60000000; /* nop */  in do_rfi_flush_fixups()
399 	instrs[2] = 0x60000000; /* nop */  in do_rfi_flush_fixups()
403 		instrs[0] = 0x48000010;  in do_rfi_flush_fixups()
405 	i = 0;  in do_rfi_flush_fixups()
407 		instrs[i++] = 0x63ff0000; /* ori 31,31,0 speculation barrier */  in do_rfi_flush_fixups()
408 		instrs[i++] = 0x63de0000; /* ori 30,30,0 L1d flush*/  in do_rfi_flush_fixups()
412 		instrs[i++] = 0x7c12dba6; /* mtspr TRIG2,r0 (SPR #882) */  in do_rfi_flush_fixups()
414 	for (i = 0; start < end; start++, i++) {  in do_rfi_flush_fixups()
419 		patch_instruction((struct ppc_inst *)dest, ppc_inst(instrs[0]));  in do_rfi_flush_fixups()
443 	instr = 0x60000000; /* nop */  in do_barrier_nospec_fixups_range()
447 		instr = 0x63ff0000; /* ori 31,31,0 speculation barrier */  in do_barrier_nospec_fixups_range()
450 	for (i = 0; start < end; start++, i++) {  in do_barrier_nospec_fixups_range()
484 	instr[0] = PPC_INST_NOP;  in do_barrier_nospec_fixups_range()
489 		instr[0] = PPC_INST_ISYNC;  in do_barrier_nospec_fixups_range()
493 	for (i = 0; start < end; start++, i++) {  in do_barrier_nospec_fixups_range()
497 		patch_instruction((struct ppc_inst *)dest, ppc_inst(instr[0]));  in do_barrier_nospec_fixups_range()
550 	if (PHYSICAL_START == 0)  in do_final_fixups()
626 	return 0;  in check_features()
654 	fixup.alt_start_off = fixup.alt_end_off = 0;  in test_basic_patching()
657 	check(memcmp(ftr_fixup_test1, ftr_fixup_test1_orig, size) == 0);  in test_basic_patching()
661 	check(memcmp(ftr_fixup_test1, ftr_fixup_test1_orig, size) == 0);  in test_basic_patching()
664 	patch_feature_section(0, &fixup);  in test_basic_patching()
665 	check(memcmp(ftr_fixup_test1, ftr_fixup_test1_expected, size) == 0);  in test_basic_patching()
669 	check(memcmp(ftr_fixup_test1, ftr_fixup_test1_orig, size) == 0);  in test_basic_patching()
671 	check(memcmp(ftr_fixup_test1, ftr_fixup_test1_expected, size) == 0);  in test_basic_patching()
683 	fixup.value = fixup.mask = 0xF;  in test_alternative_patching()
690 	check(memcmp(ftr_fixup_test2, ftr_fixup_test2_orig, size) == 0);  in test_alternative_patching()
693 	patch_feature_section(0xF, &fixup);  in test_alternative_patching()
694 	check(memcmp(ftr_fixup_test2, ftr_fixup_test2_orig, size) == 0);  in test_alternative_patching()
697 	patch_feature_section(0, &fixup);  in test_alternative_patching()
698 	check(memcmp(ftr_fixup_test2, ftr_fixup_test2_expected, size) == 0);  in test_alternative_patching()
702 	check(memcmp(ftr_fixup_test2, ftr_fixup_test2_orig, size) == 0);  in test_alternative_patching()
703 	patch_feature_section(~0xF, &fixup);  in test_alternative_patching()
704 	check(memcmp(ftr_fixup_test2, ftr_fixup_test2_expected, size) == 0);  in test_alternative_patching()
715 	fixup.value = fixup.mask = 0xC;  in test_alternative_case_too_big()
722 	check(memcmp(ftr_fixup_test3, ftr_fixup_test3_orig, size) == 0);  in test_alternative_case_too_big()
725 	check(patch_feature_section(0xF, &fixup) == 1);  in test_alternative_case_too_big()
726 	check(memcmp(ftr_fixup_test3, ftr_fixup_test3_orig, size) == 0);  in test_alternative_case_too_big()
727 	check(patch_feature_section(0, &fixup) == 1);  in test_alternative_case_too_big()
728 	check(memcmp(ftr_fixup_test3, ftr_fixup_test3_orig, size) == 0);  in test_alternative_case_too_big()
729 	check(patch_feature_section(~0xF, &fixup) == 1);  in test_alternative_case_too_big()
730 	check(memcmp(ftr_fixup_test3, ftr_fixup_test3_orig, size) == 0);  in test_alternative_case_too_big()
752 	check(memcmp(ftr_fixup_test4, ftr_fixup_test4_orig, size) == 0);  in test_alternative_case_too_small()
756 	check(memcmp(ftr_fixup_test4, ftr_fixup_test4_orig, size) == 0);  in test_alternative_case_too_small()
759 	patch_feature_section(0, &fixup);  in test_alternative_case_too_small()
760 	check(memcmp(ftr_fixup_test4, ftr_fixup_test4_expected, size) == 0);  in test_alternative_case_too_small()
764 	check(memcmp(ftr_fixup_test4, ftr_fixup_test4_orig, size) == 0);  in test_alternative_case_too_small()
766 	check(memcmp(ftr_fixup_test4, ftr_fixup_test4_expected, size) == 0);  in test_alternative_case_too_small()
776 	check(memcmp(ftr_fixup_test5, ftr_fixup_test5_expected, size) == 0);  in test_alternative_case_with_branch()
786 	check(memcmp(ftr_fixup_test6, ftr_fixup_test6_expected, size) == 0);  in test_alternative_case_with_external_branch()
796 	check(memcmp(ftr_fixup_test7, ftr_fixup_test7_expected, size) == 0);  in test_alternative_case_with_branch_to_end()
808 		     ftr_fixup_test_FTR_macros_expected, size) == 0);  in test_cpu_macros()
821 		     ftr_fixup_test_FW_FTR_macros_expected, size) == 0);  in test_fw_macros()
837 			     lwsync_fixup_test_expected_LWSYNC, size) == 0);  in test_lwsync_macros()
840 			     lwsync_fixup_test_expected_SYNC, size) == 0);  in test_lwsync_macros()
856 	fixup.alt_start_off = fixup.alt_end_off = 0;  in test_prefix_patching()
859 	check(memcmp(ftr_fixup_prefix1, ftr_fixup_prefix1_orig, size) == 0);  in test_prefix_patching()
861 	patch_feature_section(0, &fixup);  in test_prefix_patching()
862 	check(memcmp(ftr_fixup_prefix1, ftr_fixup_prefix1_expected, size) == 0);  in test_prefix_patching()
863 	check(memcmp(ftr_fixup_prefix1, ftr_fixup_prefix1_orig, size) != 0);  in test_prefix_patching()
881 	check(memcmp(ftr_fixup_prefix2, ftr_fixup_prefix2_orig, size) == 0);  in test_prefix_alt_patching()
883 	patch_feature_section(0, &fixup);  in test_prefix_alt_patching()
884 	check(memcmp(ftr_fixup_prefix2, ftr_fixup_prefix2_expected, size) == 0);  in test_prefix_alt_patching()
885 	check(memcmp(ftr_fixup_prefix2, ftr_fixup_prefix2_orig, size) != 0);  in test_prefix_alt_patching()
903 	check(memcmp(ftr_fixup_prefix3, ftr_fixup_prefix3_orig, size) == 0);  in test_prefix_word_alt_patching()
905 	patch_feature_section(0, &fixup);  in test_prefix_word_alt_patching()
906 	check(memcmp(ftr_fixup_prefix3, ftr_fixup_prefix3_expected, size) == 0);  in test_prefix_word_alt_patching()
907 	patch_feature_section(0, &fixup);  in test_prefix_word_alt_patching()
908 	check(memcmp(ftr_fixup_prefix3, ftr_fixup_prefix3_orig, size) != 0);  in test_prefix_word_alt_patching()
934 	return 0;  in test_feature_fixups()