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authorMagnus Damm <damm@opensource.se>2013-08-07 22:14:07 (GMT)
committerSimon Horman <horms+renesas@verge.net.au>2013-09-21 00:47:31 (GMT)
commita84a5ab73f77a5dd4f09f0af33f09d8d751d0cc7 (patch)
tree20b2055c4b69ea46489d94c2512acec562d2fbdb
parent87a08ca0f7f99b3136c763377c547a89cf6d0996 (diff)
downloadlinux-a84a5ab73f77a5dd4f09f0af33f09d8d751d0cc7.tar.xz
ARM: shmobile: Introduce shmobile_boot_size
Introduce shmobile_boot_size that can be used by future SMP code to determine the size of the boot code that needs to be copied to internal SRAM. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r--arch/arm/mach-shmobile/headsmp.S3
-rw-r--r--arch/arm/mach-shmobile/include/mach/common.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S
index f93751c..e5be5c8 100644
--- a/arch/arm/mach-shmobile/headsmp.S
+++ b/arch/arm/mach-shmobile/headsmp.S
@@ -40,6 +40,9 @@ shmobile_boot_fn:
.globl shmobile_boot_arg
shmobile_boot_arg:
2: .space 4
+ .globl shmobile_boot_size
+shmobile_boot_size:
+ .long . - shmobile_boot_vector
/*
* Per-CPU SMP boot function/argument selection code based on MPIDR
diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
index a9df8f3..cfe3977 100644
--- a/arch/arm/mach-shmobile/include/mach/common.h
+++ b/arch/arm/mach-shmobile/include/mach/common.h
@@ -9,6 +9,7 @@ extern void shmobile_setup_console(void);
extern void shmobile_boot_vector(void);
extern unsigned long shmobile_boot_fn;
extern unsigned long shmobile_boot_arg;
+extern unsigned long shmobile_boot_size;
extern void shmobile_smp_boot(void);
extern void shmobile_smp_sleep(void);
extern void shmobile_smp_hook(unsigned int cpu, unsigned long fn,