PIE: Fix reloc at the beginning of bl31 entrypoint
The relocation fixup code must be called at the beginning of bl31
entrypoint to ensure that CPU specific reset handlers are fixed up for
relocations.
Change-Id: Icb04eacb2d4c26c26b08b768d871d2c82777babb
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
diff --git a/bl31/aarch64/bl31_entrypoint.S b/bl31/aarch64/bl31_entrypoint.S
index 065edff..f24458c 100644
--- a/bl31/aarch64/bl31_entrypoint.S
+++ b/bl31/aarch64/bl31_entrypoint.S
@@ -23,7 +23,6 @@
*/
func bl31_entrypoint
-#if !RESET_TO_BL31
/* ---------------------------------------------------------------
* Stash the previous bootloader arguments x0 - x3 for later use.
* ---------------------------------------------------------------
@@ -33,6 +32,18 @@
mov x22, x2
mov x23, x3
+ /* --------------------------------------------------------------------
+ * If PIE is enabled, fixup the Global descriptor Table and dynamic
+ * relocations
+ * --------------------------------------------------------------------
+ */
+#if ENABLE_PIE
+ mov_imm x0, BL31_BASE
+ mov_imm x1, BL31_LIMIT
+ bl fixup_gdt_reloc
+#endif /* ENABLE_PIE */
+
+#if !RESET_TO_BL31
/* ---------------------------------------------------------------------
* For !RESET_TO_BL31 systems, only the primary CPU ever reaches
* bl31_entrypoint() during the cold boot flow, so the cold/warm boot
@@ -50,6 +61,7 @@
_init_c_runtime=1 \
_exception_vectors=runtime_exceptions
#else
+
/* ---------------------------------------------------------------------
* For RESET_TO_BL31 systems which have a programmable reset address,
* bl31_entrypoint() is executed only on the cold boot path so we can
@@ -77,17 +89,6 @@
#endif /* RESET_TO_BL31 */
/* --------------------------------------------------------------------
- * If PIE is enabled, fixup the Global descriptor Table and dynamic
- * relocations
- * --------------------------------------------------------------------
- */
-#if ENABLE_PIE
- mov_imm x0, BL31_BASE
- mov_imm x1, BL31_LIMIT
- bl fixup_gdt_reloc
-#endif /* ENABLE_PIE */
-
- /* --------------------------------------------------------------------
* Perform BL31 setup
* --------------------------------------------------------------------
*/