diff options
Diffstat (limited to 'target/hppa/translate.c')
| -rw-r--r-- | target/hppa/translate.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index f3942b1baf..b410583af5 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2302,6 +2302,18 @@ static DisasJumpType trans_rfi(DisasContext *ctx, uint32_t insn, /* Exit the TB to recognize new interrupts. */ return nullify_end(ctx, DISAS_NORETURN); } + +static DisasJumpType gen_hlt(DisasContext *ctx, int reset) +{ + CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); + nullify_over(ctx); + if (reset) { + gen_helper_reset(cpu_env); + } else { + gen_helper_halt(cpu_env); + } + return nullify_end(ctx, DISAS_NORETURN); +} #endif /* !CONFIG_USER_ONLY */ static const DisasInsn table_system[] = { @@ -4519,7 +4531,18 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) case 0x15: /* unassigned */ case 0x1D: /* unassigned */ case 0x37: /* unassigned */ - case 0x3F: /* unassigned */ + break; + case 0x3F: +#ifndef CONFIG_USER_ONLY + /* Unassigned, but use as system-halt. */ + if (insn == 0xfffdead0) { + return gen_hlt(ctx, 0); /* halt system */ + } + if (insn == 0xfffdead1) { + return gen_hlt(ctx, 1); /* reset system */ + } +#endif + break; default: break; } |