From 8b5c04ecadbb2e8fc26befbf9d09777191f14e01 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@mirocom.org>
Date: Wed, 25 Mar 2026 07:59:47 -0400
Subject: [PATCH] m1x: Add minimal boot banner

Signed-off-by: Ian Moffett <ian@mirocom.org>
---
 src/m1x/Makefile         |  2 +-
 src/m1x/kern/Makefile    |  3 ++-
 src/m1x/kern/kern_init.c | 20 ++++++++++++++++++++
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/m1x/Makefile b/src/m1x/Makefile
index f8dc0e4..5aa7da2 100644
--- a/src/m1x/Makefile
+++ b/src/m1x/Makefile
@@ -10,7 +10,7 @@ all: kern arch
 
 .PHONY: kern
 kern:
-	cd kern/; make $(PASSDOWN_ARGS)
+	cd kern/; make $(PASSDOWN_ARGS) ARCH_TARGET=$(ARCH_TARGET)
 
 .PHONY: arch
 arch:
diff --git a/src/m1x/kern/Makefile b/src/m1x/kern/Makefile
index 03c13bb..7208058 100644
--- a/src/m1x/kern/Makefile
+++ b/src/m1x/kern/Makefile
@@ -19,7 +19,8 @@ CFLAGS = 					\
 	-I../include/			\
 	-I../foreign/flanterm/src	\
 	-DPRINTF_DISABLE_SUPPORT_PTRDIFF_T \
-	-DPRINTF_DISABLE_SUPPORT_FLOAT
+	-DPRINTF_DISABLE_SUPPORT_FLOAT		\
+	-D_M1X_ARCH="\"$(ARCH_TARGET)\""
 
 .PHONY: all
 all: $(OFILES)
diff --git a/src/m1x/kern/kern_init.c b/src/m1x/kern/kern_init.c
index 7979181..929c98e 100644
--- a/src/m1x/kern/kern_init.c
+++ b/src/m1x/kern/kern_init.c
@@ -4,14 +4,34 @@
  */
 
 #include <dev/cons/cons.h>
+#include <lib/printf.h>
 #include <hal/cpu.h>
 
+/* Kernel version */
+#define _M1X_VERSION "0.0.1"
+
+/*
+ * Display a boot banner on early start up
+ */
+static void
+banner(void)
+{
+    printf(
+        "booting m1x/%s v%s...\n",
+        _M1X_ARCH,
+        _M1X_VERSION
+    );
+}
+
 void
 kmain(void)
 {
     /* Initialize the console */
     cons_init();
 
+    /* Print the boot banner */
+    banner();
+
     /* Initialize the BSP */
     hal_cpu_init();