import sys

Import('env')

kern_env = env.Clone()

src = [ ]

src_amd64 = [
    # Multiboot requires multiboot.S to be the first file
    "amd64/multiboot.S",
    "amd64/mbentry.c",
    # AMD64
    "amd64/trap.c",
    "amd64/trapentry.S",
    "amd64/machine.c",
    "amd64/pci.c",
    "amd64/pmap.c",
    "amd64/lapic.c",
    "amd64/ioapic.c",
    "amd64/irq.c",
    "dev/x86/debugcons.c",
    "dev/x86/vgacons.c",
    "dev/x86/ide.c",
]

src_common = [
    "kern/debug.c",
    "kern/libc.c",
    "kern/palloc.c",
    "kern/printf.c",
    "kern/spinlock.c",
    "dev/ahci.c",
    "dev/console.c",
    "dev/pci.c",
]

if (env["ARCH"] == "amd64"):
    src.append(src_amd64)
    src.append(src_common)

kern_env.Append(LINKFLAGS = ['-N', '-nostdlib'])
kern_env.Append(CPPFLAGS = ['-ffreestanding', '-fno-builtin', '-nostdinc',
                            '-mno-red-zone', '-mcmodel=kernel'])
# '-target', 'amd64-orion-eabi'
kern_env.Append(CPPPATH = ['#include', '#sys/include'])

kern_env.Program("castor", src)