ptos/amd64: cpu: Add MP trampoline stub

Signed-off-by: Chloe M <chloe@mensia.org>
2026-07-15 19:48:12 -04:00
parent 3e481cd58a
commit 0265810d9a
5 changed files with 83 additions and 2 deletions
@@ -33,12 +33,21 @@ CFLAGS =				\
 	-I$(PT_PROJECT_ROOT)/service/spkg/head/

 .PHONY: all
-all: bin
+all: trampoline bin

 .PHONY: bin
 bin: $(OFILES) $(ASMOFILES)
 	$(PROMPT) "LD" $(KERNEL_PATH)
 	$(SYS_LD) -Tdev/link.ld $(MISC_OFILES) -o $(KERNEL_PATH)
+	# Copy the MP trampoline
+	objcopy														\
+		--update-section .mp_trampoline=cpu/mp_trampoline.bin	\
+		$(KERNEL_PATH)											\
+		$(KERNEL_PATH)
+
+.PHONY: trampoline
+trampoline:
+	nasm -fbin cpu/mp_trampoline.asm -o cpu/mp_trampoline.bin

 -include $(CDFILES)
 %.o: %.c