Hi Stefano,
On 08/11/2018 01:01 AM, Stefano Stabellini wrote:
From: "Edgar E. Iglesias" <[email protected]>
From: Edgar E. Iglesias <[email protected]>
I am not sure why there is 2 From here? This seems to apply whole the
whole series.
Introduce platform_smc as a way to handle firmware calls that Xen does
not know about in a platform specific way. This is particularly useful
for implementing the SiP (SoC implementation specific) service calls.
Signed-off-by: Edgar E. Iglesias <[email protected]>
Signed-off-by: Stefano Stabellini <[email protected]>
---
xen/arch/arm/platform.c | 8 ++++++++
xen/arch/arm/vsmc.c | 4 ++++
xen/include/asm-arm/platform.h | 3 +++
3 files changed, 15 insertions(+)
diff --git a/xen/arch/arm/platform.c b/xen/arch/arm/platform.c
index 3f2989e..9e19023 100644
--- a/xen/arch/arm/platform.c
+++ b/xen/arch/arm/platform.c
@@ -127,6 +127,14 @@ void platform_poweroff(void)
platform->poweroff();
}
+bool platform_smc(struct cpu_user_regs *regs)
+{
+ if ( platform && platform->smc )
You might want to add a likely here because most likely a guest is using
SIP when it is present on the platform.
The rest looks good to me.
Cheers,
--
Julien Grall
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