qemu/armv7-r: add poweroff

This adds poweroff function to qemu-armv7r:nsh using semihosting based approach. Signed-off-by: Yanfeng Liu <[email protected]>
apache · Feb 8, 2025 · ac4b539 · ac4b539
1 parent 20098f3
commit ac4b539
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diff --git a/arch/arm/src/qemu/Kconfig b/arch/arm/src/qemu/Kconfig
@@ -30,6 +30,7 @@ config ARCH_CHIP_QEMU_CORTEXR5
 	select ARCH_CORTEXR5
 	select ARCH_HAVE_FPU
 	select ARCH_HAVE_LOWVECTORS
+	select ARM_SEMIHOSTING_POWEROFF
 	select ARMV7R_HAVE_GICv2
 	select ARMV7R_HAVE_PTM
 

diff --git a/boards/arm/qemu/qemu-armv7r/src/qemu_boardinit.c b/boards/arm/qemu/qemu-armv7r/src/qemu_boardinit.c
@@ -120,7 +120,9 @@ int board_power_off(int status)
 {
   UNUSED(status);
 
-  /* TODO: find a solution */
+#ifdef CONFIG_ARM_SEMIHOSTING_POWEROFF
+  up_systempoweroff();
+#endif
 
   return 0;
 }