From 0bdb2b3bf5660f892ddbfa09baea56cdca57ad1d Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 4 Jan 2018 02:29:07 +0100 Subject: target/m68k: add reset The instruction traps if the CPU is not in Supervisor state but the helper is empty because there is no easy way to reset all the peripherals without resetting the CPU itself. Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson Message-Id: <20180104012913.30763-12-laurent@vivier.eu> --- target/m68k/translate.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'target/m68k/translate.c') diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 98efe6b..e8f7d07 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -2762,6 +2762,18 @@ DISAS_INSN(unlk) tcg_temp_free(src); } +#if defined(CONFIG_SOFTMMU) +DISAS_INSN(reset) +{ + if (IS_USER(s)) { + gen_exception(s, s->insn_pc, EXCP_PRIVILEGE); + return; + } + + gen_helper_reset(cpu_env); +} +#endif + DISAS_INSN(nop) { } @@ -5572,6 +5584,7 @@ void register_m68k_insns (CPUM68KState *env) #if defined(CONFIG_SOFTMMU) INSN(move_to_usp, 4e60, fff8, USP); INSN(move_from_usp, 4e68, fff8, USP); + INSN(reset, 4e70, ffff, M68000); BASE(stop, 4e72, ffff); BASE(rte, 4e73, ffff); INSN(movec, 4e7b, ffff, CF_ISA_A); -- cgit v1.1