From 2918294ec79bc595e51187fb6003e92dff25abca Mon Sep 17 00:00:00 2001
From: Bensong Liu <bensl@microsoft.com>
Date: Wed, 30 Dec 2020 17:29:22 +0800
Subject: [PATCH] fix makefile bug: missing kernel.img resize
---
Makefile | 4 ++++
bootloader-legacy/boot.asm | 1 +
2 files changed, 5 insertions(+)
diff --git a/Makefile b/Makefile
index 131681e..f0520b6 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,10 @@ kernel:
build: bootloader-legacy bootloader-uefi kernel
assemble-legacy: build
+ # Sector 1 = bootloader, Sector 2 - (512B TO 64K) = kernel
+ # Extend kernel.img to correct size.
+ test $$(stat -c %s kernel/kernel.img) -le 65024
+ truncate --size=65024 kernel/kernel.img
cat bootloader-legacy/boot.img kernel/kernel.img > legacy.img
assemble-uefi: build
diff --git a/bootloader-legacy/boot.asm b/bootloader-legacy/boot.asm
index df57a71..7ed32e3 100644
--- a/bootloader-legacy/boot.asm
+++ b/bootloader-legacy/boot.asm
@@ -139,6 +139,7 @@ _call_kern_64:
jmp $
+; To save binary space
_motd_disk_error:
db 'MED', 0x0
_motd_32:
--
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