From 5165d2a04a777a9b636d6a3fe6d23f9c5086ff62 Mon Sep 17 00:00:00 2001
From: Pali Rohár
Date: Wed, 6 Apr 2022 16:20:19 +0200
Subject: arm: Do not compile vector table when SYS_NO_VECTOR_TABLE is enabled

Vector table is not used when SYS_NO_VECTOR_TABLE is enabled.
So do not compile it and reduce image size.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 arch/arm/lib/vectors.S | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'arch/arm')

diff --git a/arch/arm/lib/vectors.S b/arch/arm/lib/vectors.S
index 56f36815582..a54c84b062b 100644
--- a/arch/arm/lib/vectors.S
+++ b/arch/arm/lib/vectors.S
@@ -24,6 +24,7 @@
 #else
 	b	reset
 #endif
+#if !CONFIG_IS_ENABLED(SYS_NO_VECTOR_TABLE)
 	ldr	pc, _undefined_instruction
 	ldr	pc, _software_interrupt
 	ldr	pc, _prefetch_abort
@@ -31,6 +32,7 @@
 	ldr	pc, _not_used
 	ldr	pc, _irq
 	ldr	pc, _fiq
+#endif
 	.endm
 
 
@@ -87,6 +89,7 @@ _start:
 	ARM_VECTORS
 #endif /* !defined(CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK) */
 
+#if !CONFIG_IS_ENABLED(SYS_NO_VECTOR_TABLE)
 /*
  *************************************************************************
  *
@@ -118,6 +121,7 @@ _irq:			.word irq
 _fiq:			.word fiq
 
 	.balignl 16,0xdeadbeef
+#endif
 
 /*
  *************************************************************************
@@ -131,6 +135,7 @@ _fiq:			.word fiq
 
 #ifdef CONFIG_SPL_BUILD
 
+#if !CONFIG_IS_ENABLED(SYS_NO_VECTOR_TABLE)
 	.align	5
 undefined_instruction:
 software_interrupt:
@@ -141,6 +146,7 @@ irq:
 fiq:
 1:
 	b	1b			/* hang and never return */
+#endif
 
 #else	/* !CONFIG_SPL_BUILD */
 
-- 
cgit v1.2.3