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[Qemu-devel] [PATCH 2/6] cris: Abort when a v10 takes interrupts while i
From: |
edgar . iglesias |
Subject: |
[Qemu-devel] [PATCH 2/6] cris: Abort when a v10 takes interrupts while in a delayslot |
Date: |
Sun, 2 Feb 2014 03:04:48 +0000 |
From: "Edgar E. Iglesias" <address@hidden>
This is an internal error as the CRISv10 should mask interrupts
while executing delay slots. Bail out sooner rather than later.
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
target-cris/helper.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/target-cris/helper.c b/target-cris/helper.c
index d274b38..c940582 100644
--- a/target-cris/helper.c
+++ b/target-cris/helper.c
@@ -126,6 +126,11 @@ void crisv10_cpu_do_interrupt(CPUState *cs)
env->exception_index,
cs->interrupt_request);
+ if (env->dslot) {
+ /* CRISv10 never takes interrupts while in a delay-slot. */
+ cpu_abort(env, "CRIS: Interrupt on delay-slot\n");
+ }
+
assert(!(env->pregs[PR_CCS] & PFIX_FLAG));
switch (env->exception_index) {
case EXCP_BREAK:
--
1.8.3.2
- [Qemu-devel] [PATCH 0/6] CRIS queue, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 1/6] cris: Add a CRISv32 default "any" CPU for user mode emulation, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 2/6] cris: Abort when a v10 takes interrupts while in a delayslot,
edgar . iglesias <=
- [Qemu-devel] [PATCH 3/6] cris: Add interrupt signals to the CPU device, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 4/6] axis-dev88: Connect the PIC upstream IRQs directly to the CPU, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 6/6] linux-user: Fix trampoline code for CRIS, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 5/6] cris: Remove the CRIS PIC glue, edgar . iglesias, 2014/02/01