From 376e1310f6e108662a1c934ac4355b13e86a0fb6 Mon Sep 17 00:00:00 2001
From: Andy Ross <andrew.j.ross@intel.com>
Date: Tue, 2 Mar 2021 10:08:17 -0800
Subject: [PATCH] soc/intel_adsp_cavs15: Unbreak newlib linkage

In commit efa05d1e42da ("soc/intel_adsp: Put initial stack into the
CPU0 interrupt stack") the "_end" symbol was accidentally removed from
the linker script.  Newlib needs this to size its heap.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
---
 soc/xtensa/intel_adsp/cavs_v15/linker.ld | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/soc/xtensa/intel_adsp/cavs_v15/linker.ld b/soc/xtensa/intel_adsp/cavs_v15/linker.ld
index 3ff29df6584..abec9db14e0 100644
--- a/soc/xtensa/intel_adsp/cavs_v15/linker.ld
+++ b/soc/xtensa/intel_adsp/cavs_v15/linker.ld
@@ -502,6 +502,8 @@ SECTIONS
   /* Initial/boot stack lives in the CPU0 interrupt stack */
   __stack = z_interrupt_stacks + CONFIG_ISR_STACK_SIZE;
 
+  _end = .;
+
   /* dma buffers */
   .lpbuf (NOLOAD): ALIGN(4)
   {