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Diffstat (limited to 'arch/arm/cpu/u-boot.lds')
-rw-r--r--arch/arm/cpu/u-boot.lds60
1 files changed, 47 insertions, 13 deletions
diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds
index 1769b6e..36c9fd0 100644
--- a/arch/arm/cpu/u-boot.lds
+++ b/arch/arm/cpu/u-boot.lds
@@ -8,6 +8,7 @@
*/
#include <config.h>
+#include <asm/psci.h>
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
@@ -48,34 +49,67 @@ SECTIONS
#ifdef CONFIG_ARMV7_NONSEC
+ /* Align the secure section only if we're going to use it in situ */
+ .__secure_start :
+#ifndef CONFIG_ARMV7_SECURE_BASE
+ ALIGN(CONSTANT(COMMONPAGESIZE))
+#endif
+ {
+ KEEP(*(.__secure_start))
+ }
+
#ifndef CONFIG_ARMV7_SECURE_BASE
#define CONFIG_ARMV7_SECURE_BASE
#define __ARMV7_PSCI_STACK_IN_RAM
#endif
- .__secure_start : {
- . = ALIGN(0x1000);
- *(.__secure_start)
- }
-
.secure_text CONFIG_ARMV7_SECURE_BASE :
AT(ADDR(.__secure_start) + SIZEOF(.__secure_start))
{
*(._secure.text)
}
- . = LOADADDR(.__secure_start) +
- SIZEOF(.__secure_start) +
- 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
- /* Align to page boundary and skip 2 pages */
- . = (. & ~ 0xfff) + 0x2000;
-#undef __ARMV7_PSCI_STACK_IN_RAM
+ AT(ADDR(.secure_stack))
+#else
+ AT(LOADADDR(.secure_data) + SIZEOF(.secure_data))
+#endif
+ {
+ KEEP(*(.__secure_stack_start))
+
+ /* Skip addreses for stack */
+ . = . + CONFIG_ARMV7_PSCI_NR_CPUS * ARM_PSCI_STACK_SIZE;
+
+ /* Align end of stack section to page boundary */
+ . = ALIGN(CONSTANT(COMMONPAGESIZE));
+
+ KEEP(*(.__secure_stack_end))
+
+#ifdef CONFIG_ARMV7_SECURE_MAX_SIZE
+ /*
+ * We are not checking (__secure_end - __secure_start) here,
+ * as these are the load addresses, and do not include the
+ * stack section. Instead, use the end of the stack section
+ * and the start of the text section.
+ */
+ ASSERT((. - ADDR(.secure_text)) <= CONFIG_ARMV7_SECURE_MAX_SIZE,
+ "Error: secure section exceeds secure memory size");
+#endif
+ }
+
+#ifndef __ARMV7_PSCI_STACK_IN_RAM
+ /* Reset VMA but don't allocate space if we have secure SRAM */
+ . = LOADADDR(.secure_stack);
#endif
- __secure_end_lma = .;
- .__secure_end : AT(__secure_end_lma) {
+ .__secure_end : AT(ADDR(.__secure_end)) {
*(.__secure_end)
LONG(0x1d1071c); /* Must output something to reset LMA */
}