summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/arch/log.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/arch/log.h b/src/arch/log.h
index 6365c20..0a5d5a0 100644
--- a/src/arch/log.h
+++ b/src/arch/log.h
@@ -3,5 +3,26 @@
void log_write(const char *buf, size_t len);
+inline void log_hex(const char *buf, size_t len) {
+ char hex[2];
+ for (size_t i = 0; i < len; i++) {
+ hex[0] = (buf[i] & 0xF0) >> 4;
+ hex[0] += '0';
+ if (hex[0] > '9')
+ hex[0] += 'a' - '9' - 1;
+
+ hex[1] = buf[i] & 0xF;
+ hex[1] += '0';
+ if (hex[1] > '9')
+ hex[1] += 'a' - '9' - 1;
+
+ log_write(hex, 2);
+ }
+}
+
// used for static strings
#define log_const(str) log_write(str, sizeof(str) - 1)
+
+// very hacky, shouldn't be actually used - only for debugging
+// prints backwards
+#define log_var_dont_use(var) log_hex((void*)&var, sizeof(var))