From: Laurent Vivier Date: Thu, 4 Jan 2018 01:29:06 +0000 (+0100) Subject: target/m68k: add cpush/cinv X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f58ed1c50add3e76331afdc92387c0da9dd9e443;p=qemu.git target/m68k: add cpush/cinv Add cache lines invalidate and cache lines push as no-op operations, as we don't have cache. These instructions are 68040 only. Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson Message-Id: <20180104012913.30763-11-laurent@vivier.eu> --- diff --git a/target/m68k/translate.c b/target/m68k/translate.c index f77005215f..98efe6b976 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -4496,6 +4496,24 @@ DISAS_INSN(cpushl) /* Cache push/invalidate. Implement as no-op. */ } +DISAS_INSN(cpush) +{ + if (IS_USER(s)) { + gen_exception(s, s->insn_pc, EXCP_PRIVILEGE); + return; + } + /* Cache push/invalidate. Implement as no-op. */ +} + +DISAS_INSN(cinv) +{ + if (IS_USER(s)) { + gen_exception(s, s->insn_pc, EXCP_PRIVILEGE); + return; + } + /* Invalidate cache line. Implement as no-op. */ +} + DISAS_INSN(wddata) { gen_exception(s, s->insn_pc, EXCP_PRIVILEGE); @@ -5674,6 +5692,8 @@ void register_m68k_insns (CPUM68KState *env) INSN(fsave, f300, ffc0, FPU); INSN(intouch, f340, ffc0, CF_ISA_A); INSN(cpushl, f428, ff38, CF_ISA_A); + INSN(cpush, f420, ff20, M68040); + INSN(cinv, f400, ff20, M68040); INSN(wddata, fb00, ff00, CF_ISA_A); INSN(wdebug, fbc0, ffc0, CF_ISA_A); #endif