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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>
This commit is contained in:
Chen-Yu Tsai
2016-07-05 21:45:07 +08:00
committed by Hans de Goede
parent a5aa7ff33a
commit 45c334e6b2
3 changed files with 44 additions and 1 deletions

View File

@@ -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);