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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH v5 46/76] target/mips: Add updating BadInstr, BadInstrP, BadInstrX for nanoMIPS |
Date: | Tue, 31 Jul 2018 15:16:31 -0400 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 07/30/2018 12:12 PM, Aleksandar Markovic wrote: > + if ((env->CP0_Config3 & (1 << CP0C3_BP)) && > + (env->hflags & MIPS_HFLAG_BMASK)) { > + if (!(env->hflags & MIPS_HFLAG_B16)) { > + env->CP0_BadInstrP = cpu_ldl_code(env, env->active_tc.PC - > 4); > + } else { > + env->CP0_BadInstrP = > + (cpu_lduw_code(env, env->active_tc.PC - 2)) << 16; > + } > + } Why would BMASK ever be set for nanomips? There are no delayed branches. r~
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