From d739670937e0d411bca437cfa69f47938a7d8d9f Mon Sep 17 00:00:00 2001 From: "Chloe M." Date: Thu, 20 Aug 2026 08:36:36 +0000 Subject: boot/amd64: Add second stage groundwork Signed-off-by: Chloe M. --- boot/arch/amd64/biosboot/Makefile | 16 ++++++++++++++++ boot/arch/amd64/biosboot/biosboot.S | 5 +++++ 2 files changed, 21 insertions(+) create mode 100644 boot/arch/amd64/biosboot/Makefile create mode 100644 boot/arch/amd64/biosboot/biosboot.S (limited to 'boot/arch/amd64/biosboot') diff --git a/boot/arch/amd64/biosboot/Makefile b/boot/arch/amd64/biosboot/Makefile new file mode 100644 index 0000000..c782240 --- /dev/null +++ b/boot/arch/amd64/biosboot/Makefile @@ -0,0 +1,16 @@ +CC = clang +CFLAGS = \ + -ffreestanding \ + -nostdlib \ + -nostdinc \ + -mno-red-zone \ + -mno-sse \ + -mno-sse2 \ + -target i386-unknown-elf + +.PHONY: all +all: biosboot + +.PHONY: biosboot +biosboot: + clang -T../mbr/link.ld $(CFLAGS) biosboot.S -o biosboot.bin diff --git a/boot/arch/amd64/biosboot/biosboot.S b/boot/arch/amd64/biosboot/biosboot.S new file mode 100644 index 0000000..717d29d --- /dev/null +++ b/boot/arch/amd64/biosboot/biosboot.S @@ -0,0 +1,5 @@ + .code16 +_start: + cli + hlt + jmp _start -- cgit v1.2.3