From: Jan Kiszka <jan.kis...@siemens.com>
Will be used for SDEI. Actually not on ARM, but we add the smc_arg2 to
please the build and avoid surprises once it is used for real.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
hypervisor/arch/arm/include/asm/smc.h | 14 +++++++++++
hypervisor/arch/arm64/include/asm/smc.h | 33 +++++++++++++++++++++++++
2 files changed, 47 insertions(+)
diff --git a/hypervisor/arch/arm/include/asm/smc.h
b/hypervisor/arch/arm/include/asm/smc.h
index b70af8be..b7348627 100644
--- a/hypervisor/arch/arm/include/asm/smc.h
+++ b/hypervisor/arch/arm/include/asm/smc.h
@@ -35,3 +35,17 @@ static inline int smc_arg1(unsigned long id, unsigned long
par1)
return __id;
}
+
+static inline long smc_arg2(unsigned long id, unsigned long par1,
+ unsigned long par2)
+{
+ register unsigned long __id asm("r0") = id;
+ register unsigned long __par1 asm("r1") = par1;
+ register unsigned long __par2 asm("r2") = par2;
+
+ asm volatile ("smc #0\n\t"
+ : "+r" (__id), "+r" (__par1), "+r" (__par2)
+ : : "memory", "r3");
+
+ return __id;
+}
diff --git a/hypervisor/arch/arm64/include/asm/smc.h
b/hypervisor/arch/arm64/include/asm/smc.h
index 27e5397b..ecd2cac6 100644
--- a/hypervisor/arch/arm64/include/asm/smc.h
+++ b/hypervisor/arch/arm64/include/asm/smc.h
@@ -32,3 +32,36 @@ static inline long smc_arg1(unsigned long id, unsigned long
par1)
return __id;
}
+
+static inline long smc_arg2(unsigned long id, unsigned long par1,
+ unsigned long par2)
+{
+ register unsigned long __id asm("r0") = id;
+ register unsigned long __par1 asm("r1") = par1;
+ register unsigned long __par2 asm("r2") = par2;
+
+ asm volatile ("smc #0\n\t"
+ : "+r" (__id), "+r" (__par1), "+r" (__par2)
+ : : "memory", "x3");
+
+ return __id;
+}
+
+static inline long smc_arg5(unsigned long id, unsigned long par1,
+ unsigned long par2, unsigned long par3,
+ unsigned long par4, unsigned long par5)
+{
+ register unsigned long __id asm("r0") = id;
+ register unsigned long __par1 asm("r1") = par1;
+ register unsigned long __par2 asm("r2") = par2;
+ register unsigned long __par3 asm("r3") = par3;
+ register unsigned long __par4 asm("r4") = par4;
+ register unsigned long __par5 asm("r5") = par5;
+
+ asm volatile ("smc #0\n\t"
+ : "+r" (__id), "+r" (__par1), "+r" (__par2), "+r" (__par3),
+ "+r"(__par4), "+r"(__par5)
+ : : "memory");
+
+ return __id;
+}
--
2.26.2
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