[PATCH v4 08/12] target/arm: Restrict ARMv7 M-profile cpus to TCG accel

Philippe Mathieu-Daudé
2020-09-29T22:44:45Z

A KVM-only build won't be able to run M-profile cpus.

Only enable the following ARMv7 M-Profile CPUs when TCG is available:

- Cortex-M0
- Cortex-M3
- Cortex-M4
- Cortex-M33

We don't need to enforce CONFIG_ARM_V7M in default-configs because
all machines using a Cortex-M are already explicitly selected.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
default-configs/arm-softmmu.mak | 3 ---
hw/arm/Kconfig | 4 ++++
2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak
index 08a32123b4..002c97862b 100644
--- a/default-configs/arm-softmmu.mak
+++ b/default-configs/arm-softmmu.mak
@@ -1,8 +1,5 @@
# Default configuration for arm-softmmu

-# TODO: ARM_V7M is currently always required - make this more flexible!
-CONFIG_ARM_V7M=y
-
# CONFIG_PCI_DEVICES=n
# CONFIG_TEST_DEVICES=n

diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 7f19872722..15faa2f2d7 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -14,6 +14,10 @@ config ARM_V7R
bool
select TCG

+config ARM_V7M
+ bool
+ select TCG
+
config ARM_VIRT
bool
imply PCI_DEVICES
--
2.26.2