From 3ebd8b163dc8d5679d90927de1c2fcd639882362 Mon Sep 17 00:00:00 2001
From: Johannes Stoelp <johannes.stoelp@gmail.com>
Date: Fri, 14 Mar 2025 02:13:23 +0100
Subject: guest: add 64bit guest to toy with msr

Guest to toy with msr register and the swapgs instruction.
---
 guest/Makefile | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'guest/Makefile')

diff --git a/guest/Makefile b/guest/Makefile
index 635759a..61d7790 100644
--- a/guest/Makefile
+++ b/guest/Makefile
@@ -1,14 +1,16 @@
 ARCH16 := i8086
 ARCH64 := i386:x86-64
 
-guest: guest16 guest64
-disasm: disasm16 disasm64
+bits = $(word 1, $(subst -, ,$(1)))
+
+guest: guest16 guest64 guest64-msr
+disasm: disasm16 disasm64 disasm64-msr
 
 guest%: guest.ld guest%.S
-	$(CC) $(CFLAGS) -m$* -o $@ -nostdlib -ffreestanding -Wpedantic -Wall -Wextra -Werror -T guest.ld guest$*.S
+	$(CC) $(CFLAGS) -m$(call bits, $*) -o $@ -nostdlib -ffreestanding -Wpedantic -Wall -Wextra -Werror -T guest.ld guest$*.S
 
 disasm%: guest%
-	objdump -D -b binary -m $(ARCH$*) -M intel $^
+	objdump -D -b binary -m $(ARCH$(call bits, $*)) -M intel $^
 
 clean:
-	$(RM) guest16 guest64
+	$(RM) guest16 guest64 guest64-msr
-- 
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