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[Qemu-devel] [PULL 21/26] target-arm: A64: Trap ERET from EL0 at transla
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 21/26] target-arm: A64: Trap ERET from EL0 at translation time |
Date: |
Tue, 27 May 2014 17:28:29 +0100 |
From: "Edgar E. Iglesias" <address@hidden>
Suggested-by: Peter Maydell <address@hidden>
Signed-off-by: Edgar E. Iglesias <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <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;
--
1.9.2
- [Qemu-devel] [PULL 00/26] target-arm queue, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 01/26] MAINTAINERS: update Calxeda Highbank maintainer and status, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 12/26] target-arm: A64: Add SP entries for EL2 and 3, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 11/26] target-arm: c12_vbar -> vbar_el[], Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 26/26] target-arm: A64: Register VBAR_EL3, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 10/26] target-arm: Make esr_el1 an array, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 24/26] target-arm: Make vbar_write writeback to any CPREG, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 22/26] target-arm: A64: Generalize ERET to various ELs, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 21/26] target-arm: A64: Trap ERET from EL0 at translation time,
Peter Maydell <=
- [Qemu-devel] [PULL 17/26] target-arm: Add a feature flag for EL3, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 18/26] target-arm: Register EL2 versions of ELR and SPSR, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 19/26] target-arm: Register EL3 versions of ELR and SPSR, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 16/26] target-arm: Add a feature flag for EL2, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 15/26] target-arm: A64: Introduce aarch64_banked_spsr_index(), Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 23/26] target-arm: A64: Generalize update_spsel for the various ELs, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 25/26] target-arm: A64: Register VBAR_EL2, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 14/26] target-arm: Add SPSR entries for EL2/HYP and EL3/MON, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 08/26] target-arm: Use a 1:1 mapping between EL and MMU index, Peter Maydell, 2014/05/27
- [Qemu-devel] [PULL 13/26] target-arm: A64: Add ELR entries for EL2 and 3, Peter Maydell, 2014/05/27