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aarch64: reduce some warnings, config system/generic timer in Makefile

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master
equation314 6 years ago
parent 5a165178cc
commit 81af2c82fd
14 changed files with 35 additions and 45 deletions
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5
crate/bcm2837/Cargo.toml
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@ -2,10 +2,11 @@
name = "bcm2837"
version = "0.1.0"
authors = ["equation314 <equation618@gmail.com>"]
edition = "2018"
[features]
use_generic_timer = []
use_generic_timer = ["aarch64"]
[dependencies]
volatile = "0.2.4"
cortex-a = "2.2.2"
aarch64= { git = "https://github.com/equation314/aarch64", optional = true }

4
crate/bcm2837/src/gpio.rs
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@ -1,5 +1,5 @@
use IO_BASE;
use timer::delay;
use crate::IO_BASE;
use crate::timer::delay;
use core::marker::PhantomData;
use volatile::{ReadOnly, Volatile, WriteOnly};

2
crate/bcm2837/src/interrupt.rs
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@ -1,4 +1,4 @@
use IO_BASE;
use crate::IO_BASE;
use volatile::{ReadOnly, Volatile};
const INT_BASE: usize = IO_BASE + 0xB000 + 0x200;

4
crate/bcm2837/src/mini_uart.rs
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@ -1,5 +1,5 @@
use IO_BASE;
use gpio::{Function, Gpio};
use crate::IO_BASE;
use crate::gpio::{Function, Gpio};
use volatile::{ReadOnly, Volatile};
/// The base address for the `MU` registers.

4
crate/bcm2837/src/timer/generic_timer.rs
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@ -1,6 +1,6 @@
extern crate cortex_a;
extern crate aarch64;
use self::cortex_a::regs::*;
use aarch64::regs::*;
use volatile::*;
/// The base address for the ARM generic timer, IRQs, mailboxes

4
crate/bcm2837/src/timer/system_timer.rs
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@ -1,6 +1,6 @@
use ::IO_BASE;
use crate::IO_BASE;
use crate::interrupt::{Controller, Interrupt};
use volatile::{ReadOnly, Volatile};
use interrupt::{Controller, Interrupt};
/// The base address for the ARM system timer registers.
const TIMER_REG_BASE: usize = IO_BASE + 0x3000;

11
kernel/Cargo.lock generated
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@ -48,7 +48,7 @@ version = "0.1.0"
name = "bcm2837"
version = "0.1.0"
dependencies = [
"cortex-a 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"aarch64 2.2.2 (git+https://github.com/equation314/aarch64)",
"volatile 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -96,14 +96,6 @@ name = "cfg-if"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cortex-a"
version = "2.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"register 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "fixedvec"
version = "0.2.3"
@ -453,7 +445,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum bootloader 0.3.4 (git+https://github.com/wangrunji0408/bootloader)" = "<none>"
"checksum cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "f159dfd43363c4d08055a07703eb7a3406b0dac4d0584d96965a3262db3c9d16"
"checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
"checksum cortex-a 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2b187d0d728b4a99ba1d79f9671b976bcdd71a8a2c719585218fd2dc14a4d08c"
"checksum fixedvec 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7c6c16d316ccdac21a4dd648e314e76facbbaf316e83ca137d0857a9c07419d0"
"checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
"checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"

5
kernel/Cargo.toml
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@ -12,7 +12,8 @@ no_mmu = []
# Kernel in M-mode (for riscv32)
m_mode = ["no_mmu"]
# (for aarch64 RaspberryPi3)
board_raspi3 = []
board_raspi3 = ["bcm2837"]
raspi3_use_generic_timer = ["bcm2837/use_generic_timer"]
[profile.dev]
# MUST >= 1 : Enable RVO to avoid stack overflow
@ -53,7 +54,7 @@ bbl = { path = "../crate/bbl" }
[target.'cfg(target_arch = "aarch64")'.dependencies]
aarch64 = { git = "https://github.com/equation314/aarch64" }
atags = { path = "../crate/atags" }
bcm2837 = { path = "../crate/bcm2837", features = ["use_generic_timer"] }
bcm2837 = { path = "../crate/bcm2837", optional = true }
[package.metadata.bootimage]
default-target = "x86_64-blog_os.json"

9
kernel/Makefile
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@ -78,6 +78,15 @@ features += no_bbl
endif
endif
ifeq ($(board), raspi3)
# qemu only has generic timer
# TODO: configure system/generic timer automatically
raspi3_timer ?= generic
ifeq ($(raspi3_timer), generic)
features += raspi3_use_generic_timer
endif
endif
ifdef m_mode
features += no_mmu m_mode
bbl_m_mode := --enable-boot-machine

5
kernel/src/arch/aarch64/board/raspi3/irq.rs
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@ -6,7 +6,7 @@ pub use bcm2837::interrupt::Interrupt;
static IRQ_HANDLERS: &'static [Option<fn()>; 64] = &[None; 64];
pub fn handle_irq(tf: &mut TrapFrame) {
pub fn handle_irq(_tf: &mut TrapFrame) {
let controller = bcm2837::timer::Timer::new();
if controller.is_pending() {
super::timer::set_next();
@ -16,9 +16,6 @@ pub fn handle_irq(tf: &mut TrapFrame) {
for int in Controller::new().pending_interrupts() {
if let Some(handler) = IRQ_HANDLERS[int] {
handler();
} else {
error!("Unregistered IRQ {}", int);
crate::trap::error(tf);
}
}
}

4
kernel/src/arch/aarch64/interrupt/context.rs
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@ -99,7 +99,7 @@ impl Context {
/// Pop all callee-saved registers, then return to the target.
#[naked]
#[inline(never)]
unsafe extern fn __switch(self_stack: &mut usize, target_stack: &mut usize) {
unsafe extern fn __switch(_self_stack: &mut usize, _target_stack: &mut usize) {
asm!(
"
mov x10, #-(12 * 8)
@ -149,7 +149,7 @@ impl Context {
tf: TrapFrame::new_kernel_thread(entry, arg, kstack_top),
}.push_at(kstack_top, ttbr)
}
pub unsafe fn new_user_thread(entry_addr: usize, ustack_top: usize, kstack_top: usize, is32: bool, ttbr: usize) -> Self {
pub unsafe fn new_user_thread(entry_addr: usize, ustack_top: usize, kstack_top: usize, _is32: bool, ttbr: usize) -> Self {
InitStack {
context: ContextData::new(),
tf: TrapFrame::new_user_thread(entry_addr, ustack_top),

2
kernel/src/arch/aarch64/memory.rs
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@ -99,7 +99,7 @@ fn init_frame_allocator() {
/// remap kernel page table after all initialization.
fn remap_the_kernel() {
let mut ms = unsafe { MemorySet::new_bare() };
let mut ms = MemorySet::new_bare();
ms.push(MemoryArea::new_identity(0, bootstacktop as usize, MemoryAttr::default(), "kstack"));
ms.push(MemoryArea::new_identity(stext as usize, etext as usize, MemoryAttr::default().execute().readonly(), "text"));
ms.push(MemoryArea::new_identity(sdata as usize, edata as usize, MemoryAttr::default(), "data"));

13
kernel/src/arch/aarch64/paging.rs
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@ -9,7 +9,7 @@ use aarch64::paging::{FrameAllocator, FrameDeallocator, Page, PhysFrame as Frame
use aarch64::paging::memory_attribute::*;
use log::*;
// Depends on kernel
use crate::consts::{KERNEL_PML4, RECURSIVE_INDEX};
use crate::consts::RECURSIVE_INDEX;
use crate::memory::{active_table, alloc_frame, dealloc_frame};
// need 3 page
@ -60,7 +60,7 @@ impl PageTable for ActivePageTable {
}
fn unmap(&mut self, addr: usize) {
let (frame, flush) = self.0.unmap(Page::of_addr(addr)).unwrap();
let (_frame, flush) = self.0.unmap(Page::of_addr(addr)).unwrap();
flush.flush();
}
@ -271,15 +271,6 @@ impl InactivePageTable for InactivePageTable0 {
}
impl InactivePageTable0 {
fn map_kernel(&mut self) {
let table = unsafe { &mut *ROOT_PAGE_TABLE };
let e0 = table[KERNEL_PML4].clone();
assert!(!e0.is_unused());
self.edit(|_| {
table[KERNEL_PML4].set_frame(Frame::containing_address(e0.addr()), EF::default(), MairNormal::attr_value());
});
}
/// Activate as kernel page table (TTBR0).
/// Used in `arch::memory::remap_the_kernel()`.
pub unsafe fn activate_as_kernel(&self) {

8
kernel/src/memory.rs
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@ -1,5 +1,5 @@
pub use crate::arch::paging::*;
use bit_allocator::{BitAlloc, BitAlloc4K, BitAlloc64K, BitAlloc1M};
use bit_allocator::BitAlloc;
use crate::consts::MEMORY_OFFSET;
use super::HEAP_ALLOCATOR;
use ucore_memory::{*, paging::PageTable};
@ -21,15 +21,15 @@ pub type MemorySet = ucore_memory::no_mmu::MemorySet<NoMMUSupportImpl>;
// x86_64 support up to 256M memory
#[cfg(target_arch = "x86_64")]
pub type FrameAlloc = BitAlloc64K;
pub type FrameAlloc = bit_allocator::BitAlloc64K;
// RISCV only have 8M memory
#[cfg(target_arch = "riscv32")]
pub type FrameAlloc = BitAlloc4K;
pub type FrameAlloc = bit_allocator::BitAlloc4K;
// Raspberry Pi 3 has 1G memory
#[cfg(target_arch = "aarch64")]
pub type FrameAlloc = BitAlloc1M;
pub type FrameAlloc = bit_allocator::BitAlloc1M;
lazy_static! {
pub static ref FRAME_ALLOCATOR: SpinNoIrqLock<FrameAlloc> = SpinNoIrqLock::new(FrameAlloc::default());

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