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Re: [Qemu-devel] [PATCH 11/23] hw/arm/armsse: Support dual-CPU configura
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH 11/23] hw/arm/armsse: Support dual-CPU configuration |
Date: |
Fri, 25 Jan 2019 16:14:58 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
On 1/21/19 10:51 AM, Peter Maydell wrote:
> The SSE-200 has two Cortex-M33 CPUs. These see the same view
> of memory, with the exception of the "private CPU region" which
> has per-CPU devices. Internal device interrupts for SSE-200
> devices are mostly wired up to both CPUs, with the exception of
> a few per-CPU devices. External GPIO inputs on the SSE-200
> device are provided for the second CPU's interrupts above 32,
> as is already the case for the first CPU.
>
> Refactor the code to support creation of multiple CPUs.
> For the moment we leave all CPUs with the same view of
> memory: this will not work in the multiple-CPU case, but
> we will fix this in the following commit.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> include/hw/arm/armsse.h | 21 +++-
> hw/arm/armsse.c | 206 ++++++++++++++++++++++++++++++++--------
> 2 files changed, 180 insertions(+), 47 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
- Re: [Qemu-devel] [PATCH 03/23] armv7m: Pass through start-powered-off CPU property, (continued)
- [Qemu-devel] [PATCH 04/23] hw/arm/iotkit: Rename IoTKit to ARMSSE, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 06/23] hw/arm/iotkit: Rename 'iotkit' local variables and functions, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 23/23] hw/arm/mps2-tz: Add mps2-an521 model, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 22/23] hw/arm/mps2-tz: Add IRQ infrastructure to support SSE-200, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 11/23] hw/arm/armsse: Support dual-CPU configuration, Peter Maydell, 2019/01/21
- Re: [Qemu-devel] [PATCH 11/23] hw/arm/armsse: Support dual-CPU configuration,
Richard Henderson <=
- [Qemu-devel] [PATCH 14/23] iotkit-sysinfo: Make SYS_VERSION and SYS_CONFIG configurable, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 16/23] hw/arm/armsse: Add unimplemented-device stubs for PPUs, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 21/23] hw/arm/armsse: Add SSE-200 model, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 17/23] hw/arm/armsse: Add unimplemented-device stub for cache control registers, Peter Maydell, 2019/01/21
- [Qemu-devel] [PATCH 13/23] hw/arm/armsse: Put each CPU in its own cluster object, Peter Maydell, 2019/01/21