[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-arm] [Qemu-devel] [PATCH 07/19] nvic: Implement NVIC_ITNS<n> r
From: |
Richard Henderson |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH 07/19] nvic: Implement NVIC_ITNS<n> registers |
Date: |
Tue, 19 Sep 2017 13:19:26 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 09/12/2017 01:13 PM, Peter Maydell wrote:
> For v8M, the NVIC has a new set of registers per interrupt,
> NVIC_ITNS<n>. These determine whether the interrupt targets Secure
> or Non-secure state. Implement the register read/write code for
> these, and make them cause NVIC_IABR, NVIC_ICER, NVIC_ISER,
> NVIC_ICPR, NVIC_IPR and NVIC_ISPR to RAZ/WI for non-secure
> accesses to fields corresponding to interrupts which are
> configured to target secure state.
>
> Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
> + s->itns[startvec + i] = value & (1 << i);
It probably doesn't matter, since a functioning C99 compiler will do this
transformation during conversion to bool, but (value >> i) & 1.
r~
- Re: [Qemu-arm] [Qemu-devel] [PATCH 02/19] nvic: Add banked exception states, (continued)
- [Qemu-arm] [PATCH 03/19] nvic: Add cached vectpending_is_s_banked state, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 04/19] nvic: Add cached vectpending_prio state, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 06/19] nvic: Make ICSR.RETTOBASE handle banked exceptions, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 05/19] nvic: Implement AIRCR changes for v8M, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 07/19] nvic: Implement NVIC_ITNS<n> registers, Peter Maydell, 2017/09/12
- Re: [Qemu-arm] [Qemu-devel] [PATCH 07/19] nvic: Implement NVIC_ITNS<n> registers,
Richard Henderson <=
- [Qemu-arm] [PATCH 12/19] nvic: In escalation to HardFault, support HF not being priority -1, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 10/19] nvic: Make SHPR registers banked, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 09/19] nvic: Make set_pending and clear_pending take a secure parameter, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 01/19] target/arm: Implement MSR/MRS access to NS banked registers, Peter Maydell, 2017/09/12
- [Qemu-arm] [PATCH 15/19] nvic: Handle v8M changes in nvic_exec_prio(), Peter Maydell, 2017/09/12