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firmware: prepare config block for access from BIOS/bootloader.

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* remove liballoc dependency from mod config,
  * move mod config to libboard,
  * move config sector immediately after BIOS sector.
This commit is contained in:
whitequark 2017-12-27 19:14:41 +00:00
parent 5a2cbe7088
commit d7cb4963e1
11 changed files with 105 additions and 119 deletions
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1
artiq/firmware/Cargo.lock generated
View File

@ -28,6 +28,7 @@ version = "0.0.0"
dependencies = [
"bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
"build_artiq 0.0.0",
"byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]

3
artiq/firmware/libboard/Cargo.toml
View File

@ -12,8 +12,9 @@ path = "lib.rs"
build_artiq = { path = "../libbuild_artiq" }
[dependencies]
bitflags = "1.0"
byteorder = { version = "1.0", default-features = false }
log = { version = "0.3", default-features = false }
bitflags = { version = "1.0" }
[features]
uart_console = []

63
artiq/firmware/runtime/config.rs → artiq/firmware/libboard/config.rs
View File

@ -1,14 +1,17 @@
#[cfg(has_spiflash)]
mod imp {
use core::str;
use std::btree_map::BTreeMap;
use byteorder::{ByteOrder, BigEndian};
use board::{cache, spiflash};
use cache;
use spiflash;
// One flash sector immediately after the bootloader.
const ADDR: usize = ::mem::FLASH_BOOT_ADDRESS - spiflash::PAGE_SIZE;
const SIZE: usize = spiflash::PAGE_SIZE;
mod lock {
use core::slice;
use core::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
use board;
static LOCKED: AtomicUsize = ATOMIC_USIZE_INIT;
@ -24,22 +27,7 @@ mod imp {
}
pub fn data(&self) -> &'static [u8] {
extern {
static _ftext: u8;
static _fstorage: u8;
static _estorage: u8;
}
unsafe {
let base = &_ftext as *const _ as usize;
let begin = &_fstorage as *const _ as usize;
let end = &_estorage as *const _ as usize;
let ptr = board::mem::FLASH_BOOT_ADDRESS + (begin - base);
let len = end - begin;
slice::from_raw_parts(ptr as *const u8, len)
}
unsafe { slice::from_raw_parts(super::ADDR as *const u8, super::SIZE) }
}
}
@ -52,6 +40,7 @@ mod imp {
use self::lock::Lock;
#[derive(Clone)]
struct Iter<'a> {
data: &'a [u8],
offset: usize
@ -140,28 +129,39 @@ mod imp {
spiflash::write(data.as_ptr() as usize, value);
data = &data[value.len()..];
cache::flush_l2_cache();
Ok(data)
}
fn compact() -> Result<(), ()> {
let lock = Lock::take()?;
let mut items = BTreeMap::new();
{
let mut iter = Iter::new(lock.data());
while let Some(result) = iter.next() {
let (key, value) = result?;
items.insert(key, value);
}
}
static mut OLD_DATA: [u8; SIZE] = [0; SIZE];
let old_data = unsafe {
OLD_DATA.copy_from_slice(lock.data());
&OLD_DATA[..]
};
let mut data = lock.data();
spiflash::erase_sector(data.as_ptr() as usize);
for (key, value) in items {
unsafe { spiflash::erase_sector(data.as_ptr() as usize) };
// This is worst-case quadratic, but we're limited by a small SPI flash sector size,
// so it does not really matter.
let mut iter = Iter::new(old_data);
while let Some(result) = iter.next() {
let (key, mut value) = result?;
let mut next_iter = iter.clone();
while let Some(next_result) = next_iter.next() {
let (next_key, next_value) = next_result?;
if key == next_key {
value = next_value
}
}
data = unsafe { append_at(data, key, value)? };
}
cache::flush_l2_cache();
Ok(())
}
@ -178,7 +178,6 @@ mod imp {
unsafe { append_at(free, key.as_bytes(), value)? };
cache::flush_l2_cache();
Ok(())
}
@ -200,7 +199,7 @@ mod imp {
pub fn erase() -> Result<(), ()> {
let lock = Lock::take()?;
spiflash::erase_sector(lock.data().as_ptr() as usize);
unsafe { spiflash::erase_sector(lock.data().as_ptr() as usize) };
cache::flush_l2_cache();
Ok(())

6
artiq/firmware/libboard/lib.rs
View File

@ -1,10 +1,11 @@
#![feature(asm, lang_items)]
#![no_std]
#[macro_use]
extern crate log;
#[macro_use]
extern crate bitflags;
extern crate byteorder;
#[macro_use]
extern crate log;
use core::{cmp, ptr, str};
@ -21,6 +22,7 @@ pub mod uart_console;
#[cfg(has_spiflash)]
pub mod spiflash;
pub mod config;
pub mod i2c;
pub mod spi;

99
artiq/firmware/libboard/spiflash.rs
View File

@ -3,6 +3,10 @@
use core::cmp;
use csr;
pub const PAGE_SIZE: usize = csr::CONFIG_SPIFLASH_PAGE_SIZE as usize;
const PAGE_MASK: usize = PAGE_SIZE - 1;
const CMD_PP: u8 = 0x02;
const CMD_WRDI: u8 = 0x04;
const CMD_RDSR: u8 = 0x05;
@ -15,28 +19,24 @@ const PIN_DQ_I: u8 = 1 << 3;
const SR_WIP: u8 = 1;
fn write_byte(mut byte: u8) {
unsafe {
csr::spiflash::bitbang_write(0);
for _ in 0..8 {
csr::spiflash::bitbang_write((byte & 0x80) >> 7);
csr::spiflash::bitbang_write((byte & 0x80) >> 7 | PIN_CLK);
byte <<= 1;
}
csr::spiflash::bitbang_write(0);
unsafe fn write_byte(mut byte: u8) {
csr::spiflash::bitbang_write(0);
for _ in 0..8 {
csr::spiflash::bitbang_write((byte & 0x80) >> 7);
csr::spiflash::bitbang_write((byte & 0x80) >> 7 | PIN_CLK);
byte <<= 1;
}
csr::spiflash::bitbang_write(0);
}
fn write_addr(mut addr: usize) {
unsafe {
csr::spiflash::bitbang_write(0);
for _ in 0..24 {
csr::spiflash::bitbang_write(((addr & 0x800000) >> 23) as u8);
csr::spiflash::bitbang_write(((addr & 0x800000) >> 23) as u8 | PIN_CLK);
addr <<= 1;
}
csr::spiflash::bitbang_write(0);
unsafe fn write_addr(mut addr: usize) {
csr::spiflash::bitbang_write(0);
for _ in 0..24 {
csr::spiflash::bitbang_write(((addr & 0x800000) >> 23) as u8);
csr::spiflash::bitbang_write(((addr & 0x800000) >> 23) as u8 | PIN_CLK);
addr <<= 1;
}
csr::spiflash::bitbang_write(0);
}
fn wait_until_ready() {
@ -59,54 +59,47 @@ fn wait_until_ready() {
}
}
pub fn erase_sector(addr: usize) {
unsafe {
let sector_addr = addr & !(csr::CONFIG_SPIFLASH_SECTOR_SIZE as usize - 1);
pub unsafe fn erase_sector(addr: usize) {
let sector_addr = addr & !(csr::CONFIG_SPIFLASH_SECTOR_SIZE as usize - 1);
csr::spiflash::bitbang_en_write(1);
csr::spiflash::bitbang_en_write(1);
wait_until_ready();
wait_until_ready();
write_byte(CMD_WREN);
csr::spiflash::bitbang_write(PIN_CS_N);
write_byte(CMD_WREN);
csr::spiflash::bitbang_write(PIN_CS_N);
write_byte(CMD_SE);
write_addr(sector_addr);
csr::spiflash::bitbang_write(PIN_CS_N);
write_byte(CMD_SE);
write_addr(sector_addr);
csr::spiflash::bitbang_write(PIN_CS_N);
wait_until_ready();
wait_until_ready();
csr::spiflash::bitbang_en_write(0);
}
csr::spiflash::bitbang_en_write(0);
}
fn write_page(addr: usize, data: &[u8]) {
unsafe {
csr::spiflash::bitbang_en_write(1);
unsafe fn write_page(addr: usize, data: &[u8]) {
csr::spiflash::bitbang_en_write(1);
wait_until_ready();
wait_until_ready();
write_byte(CMD_WREN);
csr::spiflash::bitbang_write(PIN_CS_N);
write_byte(CMD_PP);
write_addr(addr);
for &byte in data {
write_byte(byte)
}
csr::spiflash::bitbang_write(PIN_CS_N);
csr::spiflash::bitbang_write(0);
wait_until_ready();
csr::spiflash::bitbang_en_write(0);
write_byte(CMD_WREN);
csr::spiflash::bitbang_write(PIN_CS_N);
write_byte(CMD_PP);
write_addr(addr);
for &byte in data {
write_byte(byte)
}
csr::spiflash::bitbang_write(PIN_CS_N);
csr::spiflash::bitbang_write(0);
wait_until_ready();
csr::spiflash::bitbang_en_write(0);
}
const PAGE_SIZE: usize = csr::CONFIG_SPIFLASH_PAGE_SIZE as usize;
const PAGE_MASK: usize = PAGE_SIZE - 1;
pub fn write(mut addr: usize, mut data: &[u8]) {
pub unsafe fn write(mut addr: usize, mut data: &[u8]) {
if addr & PAGE_MASK != 0 {
let size = cmp::min((PAGE_SIZE - (addr & PAGE_MASK)) as usize, data.len());
write_page(addr, &data[..size]);

3
artiq/firmware/runtime/lib.rs
View File

@ -23,10 +23,11 @@ extern crate amp;
extern crate drtioaux;
use smoltcp::wire::{EthernetAddress, IpAddress, IpCidr};
use board::config;
use proto::{mgmt_proto, analyzer_proto, moninj_proto, rpc_proto, session_proto, kernel_proto};
use amp::{mailbox, rpc_queue};
mod config;
#[cfg(has_ethmac)]
mod ethmac;
#[cfg(has_rtio_core)]

3
artiq/firmware/runtime/rtio_mgt.rs
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@ -1,5 +1,4 @@
use config;
use board::csr;
use board::{csr, config};
use sched::Io;
#[cfg(has_rtio_crg)]

9
artiq/firmware/runtime/runtime.ld
View File

@ -66,15 +66,6 @@ SECTIONS
_edata = .;
} > runtime
.storage :
{
/* Keep in sync with artiq_flash.py */
. = _ftext + 0x100000;
_fstorage = .;
. += /*SPIFLASH_SECTOR_SIZE*/ 0x10000;
_estorage = .;
} > runtime
.bss :
{
. = ALIGN(4);

4
artiq/firmware/runtime/session.rs
View File

@ -8,8 +8,8 @@ use byteorder::{ByteOrder, NetworkEndian};
use urc::Urc;
use sched::{ThreadHandle, Io};
use sched::{TcpListener, TcpStream};
use board;
use {config, mailbox, rpc_queue, kernel};
use board::{self, config};
use {mailbox, rpc_queue, kernel};
#[cfg(has_rtio_core)]
use rtio_mgt;
use rtio_dma::Manager as DmaManager;

31
artiq/frontend/artiq_flash.py
View File

@ -20,9 +20,9 @@ Valid actions:
* proxy: load the flash proxy gateware bitstream
* gateware: write gateware bitstream to flash
* bios: write bios to flash
* runtime: write runtime to flash
* bootloader: write bootloader to flash
* storage: write storage image to flash
* runtime: write runtime to flash
* load: load gateware bitstream into device (volatile but fast)
* start: trigger the target to (re)load its gateware bitstream from flash
@ -48,7 +48,7 @@ Prerequisites:
parser.add_argument("--srcbuild", help="look for bitstream, BIOS and runtime in this "
"ARTIQ source build tree")
parser.add_argument("action", metavar="ACTION", nargs="*",
default="proxy gateware bios runtime start".split(),
default="proxy gateware bootloader runtime start".split(),
help="actions to perform, default: %(default)s")
return parser
@ -188,25 +188,24 @@ def main():
parser = get_argparser()
opts = parser.parse_args()
storage_at = 0x100000 # Keep in sync with runtime.ld
config = {
"kc705": {
"programmer_factory": partial(ProgrammerJtagSpi7, "kc705"),
"proxy_bitfile": "bscan_spi_xc7k325t.bit",
"variants": ["nist_clock", "nist_qc2"],
"gateware": (0, 0x000000),
"bios": (0, 0xaf0000),
"runtime": (0, 0xb00000),
"storage": (0, 0xb00000 + storage_at),
"gateware": (0, 0x000000),
"bootloader": (0, 0xaf0000),
"storage": (0, 0xb00000),
"runtime": (0, 0xb10000),
},
"sayma": {
"programmer_factory": ProgrammerSayma,
"proxy_bitfile": "bscan_spi_xcku040-sayma.bit",
"variants": ["standalone"],
"gateware": (0, 0x000000),
"bios": (1, 0x000000),
"runtime": (1, 0x010000),
"storage": (1, 0x010000 + storage_at),
"gateware": (0, 0x000000),
"bootloader": (1, 0x000000),
"storage": (1, 0x010000),
"runtime": (1, 0x020000),
},
}[opts.target]
@ -256,20 +255,20 @@ def main():
bit2bin(f, g)
conv = True
programmer.flash_binary(*config["gateware"], bin)
elif action == "bios":
elif action == "bootloader":
if opts.srcbuild is None:
path = bin_dir
else:
path = os.path.join(opts.srcbuild, "software", "bios")
programmer.flash_binary(*config["bios"], os.path.join(path, "bios.bin"))
programmer.flash_binary(*config["bootloader"], os.path.join(path, "bios.bin"))
elif action == "storage":
programmer.flash_binary(*config["storage"], opts.storage)
elif action == "runtime":
if opts.srcbuild is None:
path = bin_dir
else:
path = os.path.join(opts.srcbuild, "software", "runtime")
programmer.flash_binary(*config["runtime"], os.path.join(path, "runtime.fbi"))
elif action == "storage":
programmer.flash_binary(*config["storage"], opts.storage)
elif action == "load":
if opts.srcbuild is None:
path = bin_dir

2
conda/artiq-dev/meta.yaml
View File

@ -15,7 +15,7 @@ requirements:
- python >=3.5.3,<3.6
- setuptools 33.1.1
- migen 0.6.dev py35_50+git82b06ee
- misoc 0.8.dev py35_30+gitd95f4edb
- misoc 0.8.dev py35_35+git6845fc0a
- jesd204b 0.4
- binutils-or1k-linux >=2.27
- llvm-or1k 4.0.1