[Minios-devel] [UNIKRAFT PATCHv4 37/43] plat/common: Implement system off for arm64

[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        | 8 ++++++++
 plat/common/include/arm/arm64/cpu.h | 1 +
 2 files changed, 9 insertions(+)

diff --git a/plat/common/arm/cpu_native.c b/plat/common/arm/cpu_native.c
index 177cbd8..b4a33e9 100644
--- a/plat/common/arm/cpu_native.c
+++ b/plat/common/arm/cpu_native.c
@@ -50,3 +50,11 @@ void reset(void)
        else if (psci_method == PSCI_METHOD_SMC)
                psci_smc_call(PSCI_FNID_SYSTEM_RESET);
 }
+
+void system_off(void)
+{
+       if (psci_method == PSCI_METHOD_HVC)
+               psci_hvc_call(PSCI_FNID_SYSTEM_OFF);
+       else if (psci_method == PSCI_METHOD_SMC)
+               psci_smc_call(PSCI_FNID_SYSTEM_OFF);
+}
\ No newline at end of file
diff --git a/plat/common/include/arm/arm64/cpu.h 
b/plat/common/include/arm/arm64/cpu.h
index c744ed6..bc1bfc4 100644
--- a/plat/common/include/arm/arm64/cpu.h
+++ b/plat/common/include/arm/arm64/cpu.h
@@ -74,6 +74,7 @@
 /* CPU native APIs */
 void halt(void);
 void reset(void);
+void system_off(void);
 
 /* PSCI conduit method to call functions */
 extern int psci_method;
-- 
2.17.1


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