Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1185919 > unrolled thread

[PATCH 1/2] ARM: xip: Can't use text area as stack

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  [PATCH 1/2] ARM: xip: Can't use text area as stack Chris Brandt <chris.brandt@renesas.com> - 2015-07-16 16:40 +0200

#1185919 — [PATCH 1/2] ARM: xip: Can't use text area as stack

For an XIP_KERNEL build, ROM and RAM are separated, so we can't reserve
code space to serve as a temporary stack.

Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
---
 arch/arm/mm/proc-v7.S |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 0716bbe..8559449 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -412,7 +412,11 @@ __v7_pj4b_setup:
 #endif /* CONFIG_CPU_PJ4B */
 
 __v7_setup:
+#ifndef CONFIG_XIP_KERNEL
 	adr	r12, __v7_setup_stack		@ the local stack
+#else
+	ldr	r12, =PLAT_PHYS_OFFSET		@ the local stack
+#endif
 	stmia	r12, {r0-r5, r7, r9, r11, lr}
 	bl      v7_invalidate_l1
 	ldmia	r12, {r0-r5, r7, r9, r11, lr}
-- 
1.7.9.5


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web