ARM: PSCI: Add helper functions to access per-CPU target PC storage
Now that we have a data section, add helper functions to save and fetch
per-CPU target PC.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
index dab5769..a0da023 100644
--- a/arch/arm/include/asm/psci.h
+++ b/arch/arm/include/asm/psci.h
@@ -54,6 +54,10 @@
#ifndef __ASSEMBLY__
#include <asm/types.h>
+/* These 2 helper functions assume cpu < CONFIG_ARMV7_PSCI_NR_CPUS */
+u32 psci_get_target_pc(int cpu);
+void psci_save_target_pc(int cpu, u32 pc);
+
void psci_cpu_entry(void);
u32 psci_get_cpu_id(void);
u32 psci_get_cpu_stack_top(int cpu);