@@ -65,6 +65,41 @@ void print_ulong_hex(unsigned long val)
}
}
+// 2^32 is 4,294,967,296
+#define DEC_CHARS_PER_UINT 10
+
+void print_uint_dec(unsigned int val)
+{
+ char digits[DEC_CHARS_PER_UINT];
+ int d = 0;
+
+ do {
+ digits[d] = val % 10;
+ val /= 10;
+ d++;
+ } while (val);
+
+ while (d--) {
+ print_char('0' + digits[d]);
+ }
+}
+
+void print_cpu_warn(unsigned int cpu, const char *str)
+{
+ print_string("CPU");
+ print_uint_dec(cpu);
+ print_string(" WARNING: ");
+ print_string(str);
+}
+
+void print_cpu_msg(unsigned int cpu, const char *str)
+{
+ print_string("CPU");
+ print_uint_dec(cpu);
+ print_string(": ");
+ print_string(str);
+}
+
void init_uart(void)
{
/*
@@ -12,6 +12,10 @@
void print_char(char c);
void print_string(const char *str);
void print_ulong_hex(unsigned long val);
+void print_uint_dec(unsigned int val);
+
+void print_cpu_warn(unsigned int cpu, const char *str);
+void print_cpu_msg(unsigned int cpu, const char *str);
void init_uart(void);
In subsequent patches we'll want to log messages from specific CPUs. Add helpers to make this simpler. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Akos Denke <akos.denke@arm.com> Cc: Andre Przywara <andre.przywara@arm.com> Cc: Luca Fancellu <luca.fancellu@arm.com> Cc: Marc Zyngier <maz@kernel.org> --- common/platform.c | 35 +++++++++++++++++++++++++++++++++++ include/platform.h | 4 ++++ 2 files changed, 39 insertions(+)