Makefile.head

OS := $(shell uname)

ifeq ($V, 1)
  Q =
  S =
else
  MAKEFLAGS += --no-print-directory
  S ?= -s
  Q ?= @
endif

export V Q S

LINUX_VERSION ?= 0.11
LINUX_SRC     := src
LINUX_IMAGE ?= $(LINUX_SRC)/Image
# src/boot/bootsect.sym, src/boot/setup.sym
DST ?= $(if $(LINUX_DST), $(LINUX_DST), $(LINUX_SRC)/kernel.sym)

TOOL_DIR := tools
ROOTFS_DIR := rootfs
CALLGRAPH_DIR := callgraph

# Xterminal: lxterminal, terminator ...
XTERM ?= $(shell echo `tools/xterm.sh lxterminal`)
  GDB ?= gdb

# Qemu
QEMU_PATH =
QEMU_PREBUILT ?= 1
QEMU_PREBUILT_PATH= $(TOOL_DIR)/qemu

QEMU ?= qemu-system-i386
MEM  ?= 16M

# Bochs
#BOCHS ?= tools/bochs/bochs-debugger
BOCHS_PATH =
BOCHS_PREBUILT ?= 1
BOCHS_PREBUILT_PATH = ${TOOL_DIR}/bochs

BOCHS ?= bochs

# VM configuration
VM_CFG = $(TOOL_DIR)/.vm.cfg

# Tool for specify root device
SETROOTDEV = RAMDISK_START=$(RAMDISK_START) $(TOOL_DIR)/setrootdev.sh

# Specify the Rootfs Image file
HDA_IMG = hdc-0.11.img
FLP_IMG = rootimage-0.11
RAM_IMG = rootram.img

# Ramdisk start offset and size, in Kb
RAMDISK_START ?= 256

# Tool for call graph generation
CG = $(TOOL_DIR)/callgraph

_QEMU_OPTS = -m $(MEM) -boot c
QEMU_OPTS  = -m $(MEM) -boot a -fda $(LINUX_IMAGE)

ifeq ($(OS), Linux)
  ifeq ($(QEMU_PREBUILT), 1)
    QEMU_PATH = $(QEMU_PREBUILT_PATH)
    QEMU_XOPTS = -no-kqemu -L $(QEMU_PATH)
  endif
  ifeq ($(BOCHS_PREBUILT), 1)
    BOCHS_PATH = $(BOCHS_PREBUILT_PATH)
  endif
endif

ifeq ($(OS), Darwin)
  GDB := tools/mac/gdb
endif