The secure monitor may need to store global or static values within the
secure section of memory, such as target PC or CPU power status.
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
arch/arm/cpu/u-boot.lds | 9 +++++++--
arch/arm/include/asm/secure.h | 1 +
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds
index 5a65c27cfa74..36c9fd0bd01f 100644
--- a/arch/arm/cpu/u-boot.lds
+++ b/arch/arm/cpu/u-boot.lds
@@ -69,12 +69,17 @@ SECTIONS
*(._secure.text)
}
- .secure_stack ALIGN(ADDR(.secure_text) + SIZEOF(.secure_text),
+ .secure_data : AT(LOADADDR(.secure_text) + SIZEOF(.secure_text))
+ {
+ *(._secure.data)
+ }
+
+ .secure_stack ALIGN(ADDR(.secure_data) + SIZEOF(.secure_data),
CONSTANT(COMMONPAGESIZE)) (NOLOAD) :
#ifdef __ARMV7_PSCI_STACK_IN_RAM
AT(ADDR(.secure_stack))
#else
- AT(LOADADDR(.secure_text) + SIZEOF(.secure_text))
+ AT(LOADADDR(.secure_data) + SIZEOF(.secure_data))
#endif
{
KEEP(*(.__secure_stack_start))
diff --git a/arch/arm/include/asm/secure.h b/arch/arm/include/asm/secure.h
index 6d9088beb4d2..5a403bc0f153 100644
--- a/arch/arm/include/asm/secure.h
+++ b/arch/arm/include/asm/secure.h
@@ -4,6 +4,7 @@
#include <config.h>
#define __secure __attribute__ ((section ("._secure.text")))
+#define __secure_data __attribute__ ((section ("._secure.data")))
#ifdef CONFIG_ARMV7_SECURE_BASE
/*
--
2.8.1
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