diff options
| author | Artyom Tarasenko <atar4qemu@gmail.com> | 2016-04-14 21:14:32 +0200 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 20:03:49 -0600 |
| commit | 6bb885b49aed7be42e27e7a3c9f648e2c89782f7 (patch) | |
| tree | af9fe1b0a2339bebee9175eb4fb1414a767636b3 | |
| parent | e04e1348f5cee2bc50161651d0f0e5671e6da511 (diff) | |
| download | hqemu-6bb885b49aed7be42e27e7a3c9f648e2c89782f7.zip hqemu-6bb885b49aed7be42e27e7a3c9f648e2c89782f7.tar.gz | |
target-sparc: fix Trap Based Address Register behavior for sparc64
Accoding the chapter 7.6 Trap Processing of the SPARC Architecture Manual v9,
the Trap Based Address Register is not modified as a trap is taken.
This fix allows booting FreeBSD-10.3-RELEASE-sparc64.
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
| -rw-r--r-- | target-sparc/int64_helper.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/target-sparc/int64_helper.c b/target-sparc/int64_helper.c index aa876cd..29360fa 100644 --- a/target-sparc/int64_helper.c +++ b/target-sparc/int64_helper.c @@ -158,9 +158,8 @@ void sparc_cpu_do_interrupt(CPUState *cs) } else if ((intno & 0x1c0) == TT_FILL) { cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1)); } - env->tbr &= ~0x7fffULL; - env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); - env->pc = env->tbr; + env->pc = env->tbr & ~0x7fffULL; + env->pc |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); env->npc = env->pc + 4; cs->exception_index = -1; } |
