package arm

import "git.urbach.dev/cli/q/src/cpu"

const (
	X0 cpu.Register = iota
	X1
	X2
	X3
	X4
	X5
	X6
	X7
	X8
	X9
	X10
	X11
	X12
	X13
	X14
	X15
	X16
	X17
	X18
	X19
	X20
	X21
	X22
	X23
	X24
	X25
	X26
	X27
	X28
	FP // Frame pointer
	LR // Link register
	SP // Stack pointer
)

var (
	GeneralRegisters       = []cpu.Register{X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28}
	InputRegisters         = SyscallInputRegisters
	OutputRegisters        = SyscallInputRegisters
	SyscallInputRegisters  = []cpu.Register{X8, X0, X1, X2, X3, X4, X5}
	SyscallOutputRegisters = []cpu.Register{X0, X1}
	WindowsInputRegisters  = []cpu.Register{X0, X1, X2, X3, X4, X5, X6, X7}
	WindowsOutputRegisters = []cpu.Register{X0, X1}

	CPU = cpu.CPU{
		General:       GeneralRegisters,
		Input:         InputRegisters,
		Output:        OutputRegisters,
		SyscallInput:  SyscallInputRegisters,
		SyscallOutput: SyscallOutputRegisters,
		NumRegisters:  32,
	}
)