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chore(cpu): refactor ARM functions to make room for THUMB

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-01-14 04:26:09 -04:00
parent 070322064d
commit ae37b1218b
8 changed files with 32 additions and 32 deletions
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16
src/cpu.zig
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@ -1,19 +1,19 @@
const std = @import("std");
const util = @import("util.zig");
const BarrelShifter = @import("cpu/barrel_shifter.zig");
const BarrelShifter = @import("cpu/arm/barrel_shifter.zig");
const Bus = @import("Bus.zig");
const Bit = @import("bitfield").Bit;
const Bitfield = @import("bitfield").Bitfield;
const Scheduler = @import("scheduler.zig").Scheduler;
const dataProcessing = @import("cpu/data_processing.zig").dataProcessing;
const psrTransfer = @import("cpu/psr_transfer.zig").psrTransfer;
const singleDataTransfer = @import("cpu/single_data_transfer.zig").singleDataTransfer;
const halfAndSignedDataTransfer = @import("cpu/half_signed_data_transfer.zig").halfAndSignedDataTransfer;
const blockDataTransfer = @import("cpu/block_data_transfer.zig").blockDataTransfer;
const branch = @import("cpu/branch.zig").branch;
const branchAndExchange = @import("cpu/branch.zig").branchAndExchange;
const dataProcessing = @import("cpu/arm/data_processing.zig").dataProcessing;
const psrTransfer = @import("cpu/arm/psr_transfer.zig").psrTransfer;
const singleDataTransfer = @import("cpu/arm/single_data_transfer.zig").singleDataTransfer;
const halfAndSignedDataTransfer = @import("cpu/arm/half_signed_data_transfer.zig").halfAndSignedDataTransfer;
const blockDataTransfer = @import("cpu/arm/block_data_transfer.zig").blockDataTransfer;
const branch = @import("cpu/arm/branch.zig").branch;
const branchAndExchange = @import("cpu/arm/branch.zig").branchAndExchange;
pub const InstrFn = fn (*Arm7tdmi, *Bus, u32) void;
const arm_lut: [0x1000]InstrFn = populate();

4
src/cpu/barrel_shifter.zig → src/cpu/arm/barrel_shifter.zig
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@ -1,7 +1,7 @@
const std = @import("std");
const Arm7tdmi = @import("../cpu.zig").Arm7tdmi;
const CPSR = @import("../cpu.zig").PSR;
const Arm7tdmi = @import("../../cpu.zig").Arm7tdmi;
const CPSR = @import("../../cpu.zig").PSR;
pub fn exec(comptime S: bool, cpu: *Arm7tdmi, opcode: u32) u32 {
var shift_amt: u8 = undefined;

6
src/cpu/block_data_transfer.zig → src/cpu/arm/block_data_transfer.zig
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@ -1,8 +1,8 @@
const std = @import("std");
const Bus = @import("../Bus.zig");
const Arm7tdmi = @import("../cpu.zig").Arm7tdmi;
const InstrFn = @import("../cpu.zig").InstrFn;
const Bus = @import("../../Bus.zig");
const Arm7tdmi = @import("../../cpu.zig").Arm7tdmi;
const InstrFn = @import("../../cpu.zig").InstrFn;
pub fn blockDataTransfer(comptime P: bool, comptime U: bool, comptime S: bool, comptime W: bool, comptime L: bool) InstrFn {
return struct {

8
src/cpu/branch.zig → src/cpu/arm/branch.zig
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@ -1,9 +1,9 @@
const std = @import("std");
const util = @import("../util.zig");
const util = @import("../../util.zig");
const Bus = @import("../Bus.zig");
const Arm7tdmi = @import("../cpu.zig").Arm7tdmi;
const InstrFn = @import("../cpu.zig").InstrFn;
const Bus = @import("../../Bus.zig");
const Arm7tdmi = @import("../../cpu.zig").Arm7tdmi;
const InstrFn = @import("../../cpu.zig").InstrFn;
pub fn branch(comptime L: bool) InstrFn {
return struct {

6
src/cpu/data_processing.zig → src/cpu/arm/data_processing.zig
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@ -1,9 +1,9 @@
const std = @import("std");
const BarrelShifter = @import("barrel_shifter.zig");
const Bus = @import("../Bus.zig");
const Arm7tdmi = @import("../cpu.zig").Arm7tdmi;
const InstrFn = @import("../cpu.zig").InstrFn;
const Bus = @import("../../Bus.zig");
const Arm7tdmi = @import("../../cpu.zig").Arm7tdmi;
const InstrFn = @import("../../cpu.zig").InstrFn;
pub fn dataProcessing(comptime I: bool, comptime S: bool, comptime instrKind: u4) InstrFn {
return struct {

8
src/cpu/half_signed_data_transfer.zig → src/cpu/arm/half_signed_data_transfer.zig
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@ -1,9 +1,9 @@
const std = @import("std");
const util = @import("../util.zig");
const util = @import("../../util.zig");
const Bus = @import("../Bus.zig");
const Arm7tdmi = @import("../cpu.zig").Arm7tdmi;
const InstrFn = @import("../cpu.zig").InstrFn;
const Bus = @import("../../Bus.zig");
const Arm7tdmi = @import("../../cpu.zig").Arm7tdmi;
const InstrFn = @import("../../cpu.zig").InstrFn;
pub fn halfAndSignedDataTransfer(comptime P: bool, comptime U: bool, comptime I: bool, comptime W: bool, comptime L: bool) InstrFn {
return struct {

6
src/cpu/psr_transfer.zig → src/cpu/arm/psr_transfer.zig
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@ -1,8 +1,8 @@
const std = @import("std");
const Bus = @import("../Bus.zig");
const Arm7tdmi = @import("../cpu.zig").Arm7tdmi;
const InstrFn = @import("../cpu.zig").InstrFn;
const Bus = @import("../../Bus.zig");
const Arm7tdmi = @import("../../cpu.zig").Arm7tdmi;
const InstrFn = @import("../../cpu.zig").InstrFn;
pub fn psrTransfer(comptime I: bool, comptime isSpsr: bool) InstrFn {
return struct {

10
src/cpu/single_data_transfer.zig → src/cpu/arm/single_data_transfer.zig
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@ -1,11 +1,11 @@
const std = @import("std");
const util = @import("../util.zig");
const util = @import("../../util.zig");
const BarrelShifter = @import("barrel_shifter.zig");
const Bus = @import("../Bus.zig");
const Arm7tdmi = @import("../cpu.zig").Arm7tdmi;
const CPSR = @import("../cpu.zig").PSR;
const InstrFn = @import("../cpu.zig").InstrFn;
const Bus = @import("../../Bus.zig");
const Arm7tdmi = @import("../../cpu.zig").Arm7tdmi;
const CPSR = @import("../../cpu.zig").PSR;
const InstrFn = @import("../../cpu.zig").InstrFn;
pub fn singleDataTransfer(comptime I: bool, comptime P: bool, comptime U: bool, comptime B: bool, comptime W: bool, comptime L: bool) InstrFn {
return struct {