[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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


  • To: <minios-devel@xxxxxxxxxxxxxxxxxxxx>, <simon.kuenzer@xxxxxxxxx>
  • From: Wei Chen <Wei.Chen@xxxxxxx>
  • Date: Fri, 6 Jul 2018 09:03:50 +0000
  • Authentication-results: spf=fail (sender IP is 40.67.248.234) smtp.mailfrom=arm.com; lists.xenproject.org; dkim=none (message not signed) header.d=none;lists.xenproject.org; dmarc=none action=none header.from=arm.com;
  • Cc: Kaly.Xin@xxxxxxx, nd@xxxxxxx, wei.chen@xxxxxxx
  • Delivery-date: Fri, 06 Jul 2018 09:06:00 +0000
  • List-id: Mini-os development list <minios-devel.lists.xenproject.org>
  • Nodisclaimer: True
  • Spamdiagnosticmetadata: NSPM
  • Spamdiagnosticoutput: 1:99

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


_______________________________________________
Minios-devel mailing list
Minios-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/minios-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.