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Update bios module to just build on x86

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the actual functions are all unimplemented!() but oh well
This commit is contained in:
Lokathor 2019-01-02 22:43:52 -07:00
parent e3c3b572dd
commit 8ff32b0304
2 changed files with 128 additions and 62 deletions
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189
src/bios.rs
View file

@ -8,6 +8,8 @@
//! whatever value is necessary for that function). Some functions also perform //! whatever value is necessary for that function). Some functions also perform
//! necessary checks to save you from yourself, such as not dividing by zero. //! necessary checks to save you from yourself, such as not dividing by zero.
#![cfg_attr(not(all(target_vendor = "nintendo", target_env = "agb")), allow(unused_variables))]
use super::*; use super::*;
//TODO: ALL functions in this module should have `if cfg!(test)` blocks. The //TODO: ALL functions in this module should have `if cfg!(test)` blocks. The
@ -51,9 +53,12 @@ use super::*;
/// perform UB, but such a scenario might exist. /// perform UB, but such a scenario might exist.
#[inline(always)] #[inline(always)]
pub unsafe fn soft_reset() -> ! { pub unsafe fn soft_reset() -> ! {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
panic!("Attempted soft reset during testing"); {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
asm!(/* ASM */ "swi 0x00" asm!(/* ASM */ "swi 0x00"
:/* OUT */ // none :/* OUT */ // none
:/* INP */ // none :/* INP */ // none
@ -91,9 +96,12 @@ pub unsafe fn soft_reset() -> ! {
/// that. If you do then you return to nothing and have a bad time. /// that. If you do then you return to nothing and have a bad time.
#[inline(always)] #[inline(always)]
pub unsafe fn register_ram_reset(flags: RegisterRAMResetFlags) { pub unsafe fn register_ram_reset(flags: RegisterRAMResetFlags) {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
asm!(/* ASM */ "swi 0x01" asm!(/* ASM */ "swi 0x01"
:/* OUT */ // none :/* OUT */ // none
:/* INP */ "{r0}"(flags.0) :/* INP */ "{r0}"(flags.0)
@ -127,9 +135,12 @@ impl RegisterRAMResetFlags {
/// any enabled interrupt triggers. /// any enabled interrupt triggers.
#[inline(always)] #[inline(always)]
pub fn halt() { pub fn halt() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x02" asm!(/* ASM */ "swi 0x02"
:/* OUT */ // none :/* OUT */ // none
@ -151,9 +162,12 @@ pub fn halt() {
/// optional externals such as rumble and infra-red. /// optional externals such as rumble and infra-red.
#[inline(always)] #[inline(always)]
pub fn stop() { pub fn stop() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x03" asm!(/* ASM */ "swi 0x03"
:/* OUT */ // none :/* OUT */ // none
@ -180,9 +194,12 @@ pub fn stop() {
/// acknowledgement. /// acknowledgement.
#[inline(always)] #[inline(always)]
pub fn interrupt_wait(ignore_current_flags: bool, target_flags: u16) { pub fn interrupt_wait(ignore_current_flags: bool, target_flags: u16) {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x04" asm!(/* ASM */ "swi 0x04"
:/* OUT */ // none :/* OUT */ // none
@ -201,9 +218,12 @@ pub fn interrupt_wait(ignore_current_flags: bool, target_flags: u16) {
/// must follow the same guidelines that `interrupt_wait` outlines. /// must follow the same guidelines that `interrupt_wait` outlines.
#[inline(always)] #[inline(always)]
pub fn vblank_interrupt_wait() { pub fn vblank_interrupt_wait() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x04" asm!(/* ASM */ "swi 0x04"
:/* OUT */ // none :/* OUT */ // none
@ -223,9 +243,12 @@ pub fn vblank_interrupt_wait() {
#[inline(always)] #[inline(always)]
pub fn div_rem(numerator: i32, denominator: i32) -> (i32, i32) { pub fn div_rem(numerator: i32, denominator: i32) -> (i32, i32) {
assert!(denominator != 0); assert!(denominator != 0);
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
{
(numerator / denominator, numerator % denominator) (numerator / denominator, numerator % denominator)
} else { }
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let div_out: i32; let div_out: i32;
let rem_out: i32; let rem_out: i32;
unsafe { unsafe {
@ -262,9 +285,12 @@ pub fn rem(numerator: i32, denominator: i32) -> i32 {
/// by `2n` bits to get `n` more bits of fractional precision in your output. /// by `2n` bits to get `n` more bits of fractional precision in your output.
#[inline(always)] #[inline(always)]
pub fn sqrt(val: u32) -> u16 { pub fn sqrt(val: u32) -> u16 {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
0 // TODO: simulate this properly during testing builds. {
} else { 0 // TODO: simulate this properly when not on GBA
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let out: u16; let out: u16;
unsafe { unsafe {
asm!(/* ASM */ "swi 0x08" asm!(/* ASM */ "swi 0x08"
@ -286,9 +312,12 @@ pub fn sqrt(val: u32) -> u16 {
/// Accuracy suffers if `theta` is less than `-pi/4` or greater than `pi/4`. /// Accuracy suffers if `theta` is less than `-pi/4` or greater than `pi/4`.
#[inline(always)] #[inline(always)]
pub fn atan(theta: i16) -> i16 { pub fn atan(theta: i16) -> i16 {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
0 // TODO: simulate this properly during testing builds. {
} else { 0 // TODO: simulate this properly when not on GBA
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let out: i16; let out: i16;
unsafe { unsafe {
asm!(/* ASM */ "swi 0x09" asm!(/* ASM */ "swi 0x09"
@ -311,9 +340,12 @@ pub fn atan(theta: i16) -> i16 {
/// integral, 14 bits for fractional. /// integral, 14 bits for fractional.
#[inline(always)] #[inline(always)]
pub fn atan2(y: i16, x: i16) -> u16 { pub fn atan2(y: i16, x: i16) -> u16 {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
0 // TODO: simulate this properly during testing builds. {
} else { 0 // TODO: simulate this properly when not on GBA
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let out: u16; let out: u16;
unsafe { unsafe {
asm!(/* ASM */ "swi 0x0A" asm!(/* ASM */ "swi 0x0A"
@ -338,9 +370,12 @@ pub fn atan2(y: i16, x: i16) -> u16 {
/// * Both pointers must be aligned /// * Both pointers must be aligned
#[inline(always)] #[inline(always)]
pub unsafe fn cpu_set16(src: *const u16, dest: *mut u16, count: u32, fixed_source: bool) { pub unsafe fn cpu_set16(src: *const u16, dest: *mut u16, count: u32, fixed_source: bool) {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let control = count + ((fixed_source as u32) << 24); let control = count + ((fixed_source as u32) << 24);
asm!(/* ASM */ "swi 0x0B" asm!(/* ASM */ "swi 0x0B"
:/* OUT */ // none :/* OUT */ // none
@ -362,9 +397,12 @@ pub unsafe fn cpu_set16(src: *const u16, dest: *mut u16, count: u32, fixed_sourc
/// * Both pointers must be aligned /// * Both pointers must be aligned
#[inline(always)] #[inline(always)]
pub unsafe fn cpu_set32(src: *const u32, dest: *mut u32, count: u32, fixed_source: bool) { pub unsafe fn cpu_set32(src: *const u32, dest: *mut u32, count: u32, fixed_source: bool) {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let control = count + ((fixed_source as u32) << 24) + (1 << 26); let control = count + ((fixed_source as u32) << 24) + (1 << 26);
asm!(/* ASM */ "swi 0x0B" asm!(/* ASM */ "swi 0x0B"
:/* OUT */ // none :/* OUT */ // none
@ -387,9 +425,12 @@ pub unsafe fn cpu_set32(src: *const u32, dest: *mut u32, count: u32, fixed_sourc
/// * Both pointers must be aligned /// * Both pointers must be aligned
#[inline(always)] #[inline(always)]
pub unsafe fn cpu_fast_set(src: *const u32, dest: *mut u32, count: u32, fixed_source: bool) { pub unsafe fn cpu_fast_set(src: *const u32, dest: *mut u32, count: u32, fixed_source: bool) {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let control = count + ((fixed_source as u32) << 24); let control = count + ((fixed_source as u32) << 24);
asm!(/* ASM */ "swi 0x0C" asm!(/* ASM */ "swi 0x0C"
:/* OUT */ // none :/* OUT */ // none
@ -410,9 +451,12 @@ pub unsafe fn cpu_fast_set(src: *const u32, dest: *mut u32, count: u32, fixed_so
/// some other value I guess you're probably running on an emulator that just /// some other value I guess you're probably running on an emulator that just
/// broke the fourth wall. /// broke the fourth wall.
pub fn get_bios_checksum() -> u32 { pub fn get_bios_checksum() -> u32 {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
0 {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
let out: u32; let out: u32;
unsafe { unsafe {
asm!(/* ASM */ "swi 0x0D" asm!(/* ASM */ "swi 0x0D"
@ -447,9 +491,12 @@ pub fn get_bios_checksum() -> u32 {
/// ///
/// The final sound level setting will be `level` * `0x200`. /// The final sound level setting will be `level` * `0x200`.
pub fn sound_bias(level: u32) { pub fn sound_bias(level: u32) {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x19" asm!(/* ASM */ "swi 0x19"
:/* OUT */ // none :/* OUT */ // none
@ -489,9 +536,12 @@ pub fn sound_bias(level: u32) {
/// * 10: 40137 /// * 10: 40137
/// * 11: 42048 /// * 11: 42048
pub fn sound_driver_mode(mode: u32) { pub fn sound_driver_mode(mode: u32) {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x1B" asm!(/* ASM */ "swi 0x1B"
:/* OUT */ // none :/* OUT */ // none
@ -513,9 +563,12 @@ pub fn sound_driver_mode(mode: u32) {
/// executed." --what? /// executed." --what?
#[inline(always)] #[inline(always)]
pub fn sound_driver_main() { pub fn sound_driver_main() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x1C" asm!(/* ASM */ "swi 0x1C"
:/* OUT */ // none :/* OUT */ // none
@ -533,9 +586,12 @@ pub fn sound_driver_main() {
/// vblank interrupt (every 1/60th of a second). /// vblank interrupt (every 1/60th of a second).
#[inline(always)] #[inline(always)]
pub fn sound_driver_vsync() { pub fn sound_driver_vsync() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x1D" asm!(/* ASM */ "swi 0x1D"
:/* OUT */ // none :/* OUT */ // none
@ -555,9 +611,12 @@ pub fn sound_driver_vsync() {
/// --what? /// --what?
#[inline(always)] #[inline(always)]
pub fn sound_channel_clear() { pub fn sound_channel_clear() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x1E" asm!(/* ASM */ "swi 0x1E"
:/* OUT */ // none :/* OUT */ // none
@ -580,9 +639,12 @@ pub fn sound_channel_clear() {
/// noise. /// noise.
#[inline(always)] #[inline(always)]
pub fn sound_driver_vsync_off() { pub fn sound_driver_vsync_off() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x28" asm!(/* ASM */ "swi 0x28"
:/* OUT */ // none :/* OUT */ // none
@ -601,9 +663,12 @@ pub fn sound_driver_vsync_off() {
/// interrupt followed by a `sound_driver_vsync` within 2/60th of a second. /// interrupt followed by a `sound_driver_vsync` within 2/60th of a second.
#[inline(always)] #[inline(always)]
pub fn sound_driver_vsync_on() { pub fn sound_driver_vsync_on() {
if cfg!(test) { #[cfg(not(all(target_vendor = "nintendo", target_env = "agb")))]
// do nothing in test mode {
} else { unimplemented!()
}
#[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
{
unsafe { unsafe {
asm!(/* ASM */ "swi 0x29" asm!(/* ASM */ "swi 0x29"
:/* OUT */ // none :/* OUT */ // none

1
src/lib.rs
View file

@ -2,6 +2,7 @@
#![feature(asm)] #![feature(asm)]
#![feature(const_int_wrapping)] #![feature(const_int_wrapping)]
#![feature(const_int_rotate)] #![feature(const_int_rotate)]
#![feature(cfg_target_vendor)]
#![allow(clippy::cast_lossless)] #![allow(clippy::cast_lossless)]
#![deny(clippy::float_arithmetic)] #![deny(clippy::float_arithmetic)]
//#![warn(missing_docs)] //#![warn(missing_docs)]