Commit a5aa7ff3 authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Hans de Goede

ARM: Add secure section for initialized data

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: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent afc1f65f
......@@ -120,8 +120,8 @@ endif
ifdef CONFIG_ARM64
OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn
else
OBJCOPYFLAGS += -j .text -j .secure_text -j .rodata -j .hash -j .data -j \
.got -j .got.plt -j .u_boot_list -j .rel.dyn
OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .hash \
-j .data -j .got -j .got.plt -j .u_boot_list -j .rel.dyn
endif
ifdef CONFIG_OF_EMBED
......
......@@ -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))
......
......@@ -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
/*
......
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