From c5da05cd412e1656fe3d1909966013fc121c5c5c Mon Sep 17 00:00:00 2001
From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Thu, 25 Jan 2018 18:07:45 +0100
Subject: [PATCH] common/memsize.c: prepare get_ram_size update
Save the content of the base address in a new variable
in stack (save_base) to prepare restore this content.
This patch don't modified code behavior and stack usage.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---
common/memsize.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/common/memsize.c b/common/memsize.c
index 0fb9ba57b6..6dc4bb21b0 100644
--- a/common/memsize.c
+++ b/common/memsize.c
@@ -27,7 +27,8 @@ DECLARE_GLOBAL_DATA_PTR;
long get_ram_size(long *base, long maxsize)
{
volatile long *addr;
- long save[32];
+ long save[31];
+ long save_base;
long cnt;
long val;
long size;
@@ -43,7 +44,7 @@ long get_ram_size(long *base, long maxsize)
addr = base;
sync();
- save[i] = *addr;
+ save_base = *addr;
sync();
*addr = 0;
@@ -51,7 +52,7 @@ long get_ram_size(long *base, long maxsize)
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function. */
sync();
- *addr = save[i];
+ *base = save_base;
for (cnt = 1; cnt < maxsize / sizeof(long); cnt <<= 1) {
addr = base + cnt;
sync();
--
2.39.5