Remove old gdbstub
Former-commit-id: d3b35aa75f4560a407478d54439ca8218e04e19e Former-commit-id: c72b109e16c6cf844d4c99c38473c61c4c113c42
This commit is contained in:
parent
de82bb171c
commit
9abc08fffe
15
Cargo.lock
generated
15
Cargo.lock
generated
|
@ -79,7 +79,7 @@ dependencies = [
|
|||
"cfg-if 1.0.0",
|
||||
"colored 1.9.3",
|
||||
"enum-primitive-derive",
|
||||
"gdbstub 0.6.3",
|
||||
"gdbstub",
|
||||
"gdbstub_arch",
|
||||
"log 0.4.11",
|
||||
"num",
|
||||
|
@ -647,16 +647,6 @@ dependencies = [
|
|||
"thread_local",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "gdbstub"
|
||||
version = "0.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0cdb70c5cea5faa069cd8a24444b8dee8635c9da6c9d1257008e980ec62bcf14"
|
||||
dependencies = [
|
||||
"log 0.4.11",
|
||||
"num-traits 0.2.12",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "gdbstub"
|
||||
version = "0.6.3"
|
||||
|
@ -677,7 +667,7 @@ version = "0.2.4"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "eecb536c55c43593a00dde9074dbbdb0e81ce5f20dbca921400f8779c21dea9c"
|
||||
dependencies = [
|
||||
"gdbstub 0.6.3",
|
||||
"gdbstub",
|
||||
"num-traits 0.2.12",
|
||||
]
|
||||
|
||||
|
@ -1355,7 +1345,6 @@ dependencies = [
|
|||
"debug_stub_derive",
|
||||
"enum-primitive-derive",
|
||||
"fuzzy-matcher",
|
||||
"gdbstub 0.1.2",
|
||||
"hex-literal",
|
||||
"hexdump",
|
||||
"lazy_static",
|
||||
|
|
|
@ -36,7 +36,6 @@ sha2 = "0.8.1"
|
|||
hex-literal = "0.2.1"
|
||||
rustyline = { version = "6.0.0", optional = true }
|
||||
nom = { version = "5.0.0", optional = true }
|
||||
gdbstub = { version = "0.1.2", optional = true, features = ["std"] }
|
||||
fuzzy-matcher = { version = "0.3.4", optional = true }
|
||||
bit_reverse = "0.1.8"
|
||||
yaml-rust = "0.4"
|
||||
|
@ -53,5 +52,4 @@ harness = false
|
|||
[features]
|
||||
default = []
|
||||
elf_support = []
|
||||
debugger = ["nom", "rustyline", "fuzzy-matcher", "elf_support"]
|
||||
gdb = ["gdbstub"]
|
||||
debugger = ["nom", "rustyline", "fuzzy-matcher", "elf_support"]
|
164
core/src/gdb.rs
164
core/src/gdb.rs
|
@ -1,164 +0,0 @@
|
|||
use super::arm7tdmi::CpuState;
|
||||
use super::GameBoyAdvance;
|
||||
use super::interrupt::*;
|
||||
use super::iodev::IoDevices;
|
||||
use super::sysbus::SysBus;
|
||||
use super::Bus;
|
||||
|
||||
use byteorder::{LittleEndian, ReadBytesExt};
|
||||
use gdbstub::{Access, Target, TargetState};
|
||||
|
||||
use std::io::Cursor;
|
||||
|
||||
use gdbstub;
|
||||
use gdbstub::GdbStub;
|
||||
use std::fmt;
|
||||
use std::net::TcpListener;
|
||||
use std::net::ToSocketAddrs;
|
||||
|
||||
pub fn spawn_and_run_gdb_server<A: ToSocketAddrs + fmt::Display>(
|
||||
#[allow(unused)] target: &mut GameBoyAdvance,
|
||||
#[allow(unused)] addr: A,
|
||||
) -> Result<(), Box<dyn std::error::Error>> {
|
||||
#[cfg(feature = "gdb")]
|
||||
{
|
||||
info!("spawning gdbserver, listening on {}", addr);
|
||||
|
||||
let sock = TcpListener::bind(addr)?;
|
||||
let (stream, addr) = sock.accept()?;
|
||||
|
||||
info!("got connection from {}", addr);
|
||||
|
||||
let mut gdb = GdbStub::new(stream);
|
||||
let result = match gdb.run(target) {
|
||||
Ok(state) => {
|
||||
info!("Disconnected from GDB. Target state: {:?}", state);
|
||||
Ok(())
|
||||
}
|
||||
Err(gdbstub::Error::TargetError(e)) => Err(e),
|
||||
Err(e) => return Err(e.into()),
|
||||
};
|
||||
|
||||
info!("Debugger session ended, result={:?}", result);
|
||||
}
|
||||
#[cfg(not(feature = "gdb"))]
|
||||
{
|
||||
error!("failed. please compile me with 'gdb' feature")
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
impl Target for GameBoyAdvance {
|
||||
type Usize = u32;
|
||||
type Error = ();
|
||||
|
||||
fn step(
|
||||
&mut self,
|
||||
mut _log_mem_access: impl FnMut(Access<u32>),
|
||||
) -> Result<TargetState, Self::Error> {
|
||||
static mut S_TOTAL_CYCLES: usize = 0;
|
||||
|
||||
let io = unsafe {
|
||||
let ptr = &mut *self.sysbus as *mut SysBus;
|
||||
&mut (*ptr).io as &mut IoDevices
|
||||
};
|
||||
|
||||
// clear any pending DMAs
|
||||
let mut irqs = IrqBitmask(0);
|
||||
while io.dmac.is_active() {
|
||||
io.dmac.perform_work(&mut self.sysbus, &mut irqs);
|
||||
}
|
||||
io.intc.request_irqs(irqs);
|
||||
|
||||
// run the CPU, ignore haltcnt
|
||||
let cycles = self.step_cpu(io);
|
||||
io.timers.update(cycles, &mut self.sysbus, &mut irqs);
|
||||
|
||||
unsafe {
|
||||
S_TOTAL_CYCLES += cycles;
|
||||
}
|
||||
|
||||
if self.cycles_to_next_event <= unsafe { S_TOTAL_CYCLES } {
|
||||
let mut cycles_to_next_event = std::usize::MAX;
|
||||
io.gpu.update(
|
||||
unsafe { S_TOTAL_CYCLES },
|
||||
&mut self.sysbus,
|
||||
&mut irqs,
|
||||
&mut cycles_to_next_event,
|
||||
&self.video_device,
|
||||
);
|
||||
io.sound.update(
|
||||
unsafe { S_TOTAL_CYCLES },
|
||||
&mut cycles_to_next_event,
|
||||
&self.audio_device,
|
||||
);
|
||||
self.cycles_to_next_event = cycles_to_next_event;
|
||||
|
||||
unsafe {
|
||||
S_TOTAL_CYCLES = 0;
|
||||
};
|
||||
} else {
|
||||
self.cycles_to_next_event -= unsafe { S_TOTAL_CYCLES };
|
||||
}
|
||||
|
||||
io.intc.request_irqs(irqs);
|
||||
|
||||
Ok(TargetState::Running)
|
||||
}
|
||||
|
||||
fn read_pc(&mut self) -> u32 {
|
||||
self.cpu.get_next_pc()
|
||||
}
|
||||
|
||||
// read the specified memory addresses from the target
|
||||
fn read_addrs(&mut self, addr: std::ops::Range<u32>, mut push_byte: impl FnMut(u8)) {
|
||||
for addr in addr {
|
||||
push_byte(self.sysbus.read_8(addr))
|
||||
}
|
||||
}
|
||||
|
||||
// write data to the specified memory addresses
|
||||
fn write_addrs(&mut self, mut get_addr_val: impl FnMut() -> Option<(u32, u8)>) {
|
||||
while let Some((addr, val)) = get_addr_val() {
|
||||
self.sysbus.write_8(addr, val);
|
||||
}
|
||||
}
|
||||
|
||||
fn read_registers(&mut self, mut push_reg: impl FnMut(&[u8])) {
|
||||
// general purpose registers
|
||||
for i in 0..15 {
|
||||
push_reg(&self.cpu.get_reg(i).to_le_bytes());
|
||||
}
|
||||
push_reg(&self.cpu.get_next_pc().to_le_bytes());
|
||||
// Floating point registers, unused
|
||||
for _ in 0..25 {
|
||||
push_reg(&[0, 0, 0, 0]);
|
||||
}
|
||||
push_reg(&self.cpu.cpsr.get().to_le_bytes());
|
||||
}
|
||||
|
||||
fn write_registers(&mut self, regs: &[u8]) {
|
||||
let mut rdr = Cursor::new(regs);
|
||||
for i in 0..15 {
|
||||
self.cpu.set_reg(i, rdr.read_u32::<LittleEndian>().unwrap());
|
||||
}
|
||||
let new_pc = rdr.read_u32::<LittleEndian>().unwrap();
|
||||
self.cpu.set_reg(15, new_pc);
|
||||
|
||||
self.cpu.cpsr.set(rdr.read_u32::<LittleEndian>().unwrap());
|
||||
|
||||
match self.cpu.cpsr.state() {
|
||||
CpuState::ARM => self.cpu.reload_pipeline32(&mut self.sysbus),
|
||||
CpuState::THUMB => self.cpu.reload_pipeline16(&mut self.sysbus),
|
||||
};
|
||||
}
|
||||
|
||||
fn target_description_xml() -> Option<&'static str> {
|
||||
Some(
|
||||
r#"
|
||||
<target version="1.0">
|
||||
<architecture>armv4t</architecture>
|
||||
</target>"#,
|
||||
)
|
||||
}
|
||||
}
|
Reference in a new issue