[Minios-devel] [UNIKRAFT PATCHv5 41/46] plat/common: Implement system off for arm64

[Wei Chen <wei.chen@xxxxxxx>]

From: Wei Chen <Wei.Chen@xxxxxxx>

Using PSCI despatch function to call PSCI_SYSTEM_OFF
function to shutdown system.

Signed-off-by: Wei Chen <Wei.Chen@xxxxxxx>
---
 plat/common/arm/cpu_native.c        | 7 +++++++
 plat/common/include/arm/arm64/cpu.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/plat/common/arm/cpu_native.c b/plat/common/arm/cpu_native.c
index 429b172..dc93115 100644
--- a/plat/common/arm/cpu_native.c
+++ b/plat/common/arm/cpu_native.c
@@ -50,3 +50,10 @@ void reset(void)
        UK_BUGON (!smcc_psci_call);
        smcc_psci_call(PSCI_FNID_SYSTEM_RESET, 0, 0, 0);
 }
+
+/* Systems support PSCI >= 0.2 can do system off from PSCI */
+void system_off(void)
+{
+       UK_BUGON (!smcc_psci_call);
+       smcc_psci_call(PSCI_FNID_SYSTEM_OFF, 0, 0, 0);
+}
diff --git a/plat/common/include/arm/arm64/cpu.h 
b/plat/common/include/arm/arm64/cpu.h
index c156fd3..0300c28 100644
--- a/plat/common/include/arm/arm64/cpu.h
+++ b/plat/common/include/arm/arm64/cpu.h
@@ -103,3 +103,4 @@ int32_t smcc_psci_smc_call(uint32_t, uint64_t, uint64_t, 
uint64_t);
 /* CPU native APIs */
 void halt(void);
 void reset(void);
+void system_off(void);
-- 
2.17.1


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