[PATCH 3/4] ARM:boot:device tree: Add puthex routine for use in the boot wrapper
John Bonesio
bones at secretlab.ca
Tue Mar 1 10:33:47 EST 2011
This patch adds a routine named 'puthex'. This allows the boot wraper code to
display hex numbers.
Signed-off-by: John Bonesio <bones at secretlab.ca>
---
arch/arm/boot/compressed/misc.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 2d4da4c..9af05ed 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -113,6 +113,31 @@ void putstr(const char *ptr)
flush();
}
+void puthex(unsigned i)
+{
+ unsigned rem;
+ char str[32];
+ int str_idx = sizeof(str) - 1;;
+
+ str[str_idx--] = '\0';
+ putstr("0x");
+ if (!i) {
+ putstr("0");
+ } else {
+ while (i) {
+ rem = i % 16;
+
+ if (rem < 10) {
+ str[str_idx--] = rem + '0';
+ } else {
+ str[str_idx--] = (rem - 10) + 'a';
+ }
+ i = i / 16;
+ }
+
+ putstr(&str[str_idx + 1]);
+ }
+}
#ifdef CONFIG_ARM_APPENDED_DTB
/**
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