[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v4 16/21] target-arm: A64: Trap ERET from EL0 at tra
From: |
Edgar E. Iglesias |
Subject: |
[Qemu-devel] [PATCH v4 16/21] target-arm: A64: Trap ERET from EL0 at translation time |
Date: |
Fri, 23 May 2014 10:42:13 +1000 |
From: "Edgar E. Iglesias" <address@hidden>
Suggested-by: Peter Maydell <address@hidden>
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
target-arm/translate-a64.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index bfd139a..ec6a39d 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -1507,6 +1507,10 @@ static void disas_uncond_b_reg(DisasContext *s, uint32_t
insn)
tcg_gen_movi_i64(cpu_reg(s, 30), s->pc);
break;
case 4: /* ERET */
+ if (s->current_pl == 0) {
+ unallocated_encoding(s);
+ return;
+ }
gen_helper_exception_return(cpu_env);
s->is_jmp = DISAS_JUMP;
return;
--
1.8.3.2
- Re: [Qemu-devel] [PATCH v4 06/21] target-arm: Use a 1:1 mapping between EL and MMU index, (continued)
- [Qemu-devel] [PATCH v4 07/21] target-arm: A64: Add SP entries for EL2 and 3, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 08/21] target-arm: A64: Add ELR entries for EL2 and 3, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 09/21] target-arm: Add SPSR entries for EL2/HYP and EL3/MON, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 10/21] target-arm: A64: Introduce aarch64_banked_spsr_index(), Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 12/21] target-arm: Add a feature flag for EL3, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 13/21] target-arm: Register EL2 versions of ELR and SPSR, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 11/21] target-arm: Add a feature flag for EL2, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 14/21] target-arm: Register EL3 versions of ELR and SPSR, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 15/21] target-arm: A64: Forbid ERET to higher or unimplemented ELs, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 16/21] target-arm: A64: Trap ERET from EL0 at translation time,
Edgar E. Iglesias <=
- [Qemu-devel] [PATCH v4 17/21] target-arm: A64: Generalize ERET to various ELs, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 18/21] target-arm: A64: Generalize update_spsel for the various ELs, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 19/21] target-arm: Make vbar_write writeback to any CPREG, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 20/21] target-arm: A64: Register VBAR_EL2, Edgar E. Iglesias, 2014/05/22
- [Qemu-devel] [PATCH v4 21/21] target-arm: A64: Register VBAR_EL3, Edgar E. Iglesias, 2014/05/22
- Re: [Qemu-devel] [PATCH v4 00/21] target-arm: Preparations for A64 EL2 and 3, Peter Maydell, 2014/05/23