added backtraces

1 files changed, 24 insertions, 0 deletions

diff --git a/src/kmain.c b/src/kmain.c
index d5bee56..b55b6a5 100644
--- a/src/kmain.c
+++ b/src/kmain.c
@@ -4,6 +4,30 @@
 #include <fb.h>
 #include <shim.h>
 
+void print_memory() {
+	size_t WIDTH = 64;
+
+	for(size_t i = 0;; i += WIDTH) {
+		char buf[20];
+		ultoa(i, buf, 16);
+		serial_out_str("0x");
+		for(size_t k = 0; k < 6 - strlen(buf); k++) {
+			serial_out('0');
+		}
+		serial_out_str(buf);
+		serial_out_str(": ");
+		for(size_t j = 0; j < WIDTH; j++) {
+			char x = *(char *)(i + j);
+			if(x < 0x20 || x >= 0x7f) {
+				serial_out('.');
+			} else {
+				serial_out(x);
+			}
+		}
+		serial_out('\n');
+	}
+}
+
 void kmain(struct boot_info *info) {
 	memory_init(info->map);
 	serial_out_str("entered kmain\n");