pikuma_ps1/scripts/build_psyqo.ps1

$path_root      = split-path -Path $PSScriptRoot -Parent
$path_build     = join-path $path_root 'build'
$path_code      = join-path $path_root 'code'
$path_scripts   = join-path $path_root 'scripts'
$path_toolchain = join-path $path_root 'toolchain'

if ((test-path $path_build) -eq $false) {
	new-item -itemtype directory -path $path_build
}

# TODO(Ed): General way to build C runtime sandboxed projects.

# The goal here is to lift w/e is going on in SpinningCube to just utilize the toolchain dir's content
# We also want to strip down the C to just calling the ASM's entry point, from there we'll try to use
# the PS1 SDK from asm and just setup macros for the ABI calling convention

# --- Toolchain Definition ---
# Assumes 'mipsel-none-elf' toolchain is in your system's PATH.
$Prefix   = "mipsel-none-elf"
$Compiler = "$($Prefix)-gcc"
$Objcopy  = "$($Prefix)-objcopy"

# --- Abstracted GCC/MIPS Flags ---

# General Compiler Flags
$f_compile          = "-c"
$f_debug            = "-g"
$f_define           = "-D"
$f_include          = "-I"
$f_output           = "-o"
$f_std_c11          = "-std=c11"

# Warning Flags
$f_wall             = "-Wall"
$f_wno_attributes   = "-Wno-attributes"

# Optimization Flags
$f_optimize_none    = "-O0" # For Debug builds
$f_optimize_size    = "-Os" # For Release builds
$f_omit_frame_ptr   = "-fomit-frame-pointer"

# Environment & Standard Library Flags
$f_no_stdlib        = "-nostdlib"
$f_freestanding     = "-ffreestanding"
$f_no_builtin       = "-fno-builtin"

# MIPS Architecture Specific Flags
$f_arch_mips1       = "-march=mips1"
$f_arch_abi32       = "-mabi=32"
$f_arch_little_endian = "-EL"
$f_arch_fp32        = "-mfp32"
$f_arch_no_pic      = "-fno-pic"
$f_arch_no_shared   = "-mno-shared"
$f_arch_no_abicalls = "-mno-abicalls"
$f_arch_no_llsc     = "-mno-llsc"
$f_arch_no_gpopt    = "-mno-gpopt"
$f_arch_no_stack_prot = "-fno-stack-protector"

# Linker-related Flags (for Compiler)
$f_code_sections    = "-ffunction-sections"
$f_data_sections    = "-fdata-sections"
$f_no_strict_alias  = "-fno-strict-aliasing"

# Linker Flags (passed via -Wl,)
$f_link_pass_through_prefix = "-Wl,"
$f_link_mapfile             = "-Map=" # Usage: $flag_link_pass_through_prefix + $flag_link_mapfile + path
$f_link_gc_sections         = "--gc-sections"
$f_link_format              = "--oformat="
$f_link_start_group         = "--start-group"
$f_link_end_group           = "--end-group"
$f_link_static              = "-static"
$f_link_script              = "-T"
$f_link_lib_path            = "-L"
$f_link_lib                 = "-l"

# Objcopy Flags
$f_objcopy_format   = "-O"



$path_nugget      = join-path $path_third_party 'nugget'
$path_psyq        = join-path $path_third_party 'psyq'
$path_psyq_imyu   = join-path $path_third_party 'psyq-iwyu'

$path_nugget_common = join-path $path_nugget 'common'


function assemble-unit { param(
		[string]$
	)
	$compile_args_asm += $f_debug
	$compile_args_asm += @(
		$f_arch_mips1, 
		$f_arch_abi32, 
		$f_arch_fp32,
		$f_arch_little_endian, 
		$f_arch_no_abicalls,
		$f_arch_no_pic, 
		$f_arch_no_llsc, 
		$f_arch_no_shared, 
		$f_arch_no_stack_prot
	)
	$compile_args_asm += $f_no_stdlib
	$compile_args_asm += $f_freestanding
	$compile_args_asm += ($f_include + $path_nugget)


}

function compile-unit { param(
	[string]$module,
	[string]$unit
)
	write-host "--- Compiling Source Files ---" -ForegroundColor Cyan

	$compile_args_c = @()
	$compile_args_c += $f_debug
	$compile_args_c += $f_optimize_none
	# $compile_args_c += $f_optimize_size

	$compile_args_c += $f_code_sections
	$compile_args_c += $f_data_sections

	$compile_args_c += $f_wno_attributes
	$compile_args_c += $f_freestanding
	$compile_args_c += $f_omit_frame_ptr
	$compile_args_c += $f_no_builtin
	$compile_args_c += $f_no_stdlib
	$compile_args_c += $f_no_strict_alias
	$compile_args_c += @(
		$f_arch_mips1,
		$f_arch_abi32, 
		$f_arch_fp32,
		$f_arch_little_endian,
		$f_arch_no_abicalls, 
		$f_arch_no_gpopt,  
		$f_arch_no_pic, 
		$f_arch_no_llsc,  
		$f_arch_no_shared, 
		$f_arch_no_stack_prot
	)
	$path_psyq_imyu_inc = join-path $path_psyq_imyu 'include'
	$compile_args_c    += ($f_include + $path_psyq_imyu_inc)
	$compile_args_c    += ($f_include + $path_nugget)
}

function link-modules { param(


	)
	write-host "`n--- Linking Modules ---" -ForegroundColor Cyan

	$link_args = @()
	$link_args += $f_debug
	# $link_args += $f_optimize_size

	$link_args += $f_no_stdlib
	$link_args += $f_link_static

	$link_args += $f_arch_mips1
	$link_args += $f_arch_abi32
	$link_args += $f_arch_little_endian

	$link_args += ($f_link_pass_through_prefix + $f_link_gc_sections)
	$link_args += ($f_link_pass_through_prefix + $f_link_format + "elf32-littlemips")

	$linkscript_nugget = join-path $path_nugget 'nooverlay.ld'
	$linkscript_ps_exe = join-path $path_nugget "ps-exe.ld"
	$link_args        += ($f_link_script + $linkscript_nugget)
	$link_args        += ($f_link_script + $linkscript_ps_exe)

	$path_psyq_lib = join-path $path_psyq 'lib'
	$link_args    += ($f_link_lib_path + $path_psyq_lib)

	$link_args += $link_modules

	$map        = join-path $path_build 'SpinningCube.map'
	$link_args += ($f_link_pass_through_prefix + $f_link_mapfile + $map)

	$link_args += ($f_link_pass_through_prefix + $f_link_start_group)
	$libraries = @(
		"api", 
		"c", 
		"c2", 
		"card", 
		"cd", 
		"comb", 
		"ds", 
		"etc", 
		"gpu", 
		"gs", 
		"gte", 
		"gun", 
		"hmd", 
		"math",
		"mcrd",
		"mcx",
		"pad",
		"press",
		"sio",
		"snd",
		"spu",
		"tap"
	)
	foreach ($lib in $libraries) {
		$link_args += ($f_link_lib + $lib)
	}

	$elf = Join-Path $path_build "SpinningCube.elf"
	$final_link_args = @($link_args) + ($f_output + $elf)

	write-host "Linking modules into 'SpinningCube.elf'"
	$final_link_args += ($f_link_pass_through_prefix + $f_link_end_group)
	$final_link_args | foreach-object { write-host $_ }
		& $Compiler $final_link_args
	if ($LASTEXITCODE -ne 0) { write-error "Linking failed. Aborting."; exit 1 }
}

function make-binary { param(

)
	Write-Host "`n--- Creating Final Binary ---" -ForegroundColor Cyan
	$exe = join-path $path_build "SpinningCube.ps-exe"

	write-host "Converting ELF to PS-EXE -> 'SpinningCube.ps-exe'"
	$objcopy_args = ($f_objcopy_format + "binary"), $elf, $exe
		& $Objcopy $objcopy_args
	if ($LASTEXITCODE -ne 0) { Write-Error "Objcopy failed. Aborting."; exit 1 }
}

function build-hello_psyqo {

}
build-hello_psyqo