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Fix memory various region generation bugs

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This commit is contained in:
Rasmus Melchior Jacobsen 2023-03-25 12:31:16 +01:00
parent b9d1c2a2ab
commit 9e0a4b153e
3 changed files with 159 additions and 117 deletions
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111
stm32-data-gen/src/chips.rs
View File

@ -983,7 +983,9 @@ fn process_chip(
cores: &[stm32_data_serde::chip::Core],
) -> Result<(), anyhow::Error> {
let chip = chips.get(chip_name).unwrap();
let flash_total = chip.flash * 1024;
let flash_size = chip.flash * 1024;
let mut flash_remaining = flash_size;
let flash_regions = memories.determine_flash_regions(chip_name, flash_size);
let ram_total = chip.ram * 1024;
let mut memory_regions = Vec::new();
let mut found = HashSet::<&str>::new();
@ -996,11 +998,15 @@ fn process_chip(
"D1_AXIICP",
] {
if let Some(address) = h.defines.get("all").unwrap().0.get(&format!("{each}_BASE")) {
let key = match each {
"FLASH" => "BANK1",
"FLASH_BANK1" => "BANK1",
"FLASH_BANK2" => "BANK2",
each => each,
let (key, banks) = match each {
"FLASH" => (
"BANK_1",
Some([memory::FlashBank::Bank1, memory::FlashBank::Bank2].as_ref()),
),
"FLASH_BANK1" => ("BANK_1", Some([memory::FlashBank::Bank1].as_ref())),
"FLASH_BANK2" => ("BANK_2", Some([memory::FlashBank::Bank2].as_ref())),
"FLASH_OTP" => ("OTP", Some([memory::FlashBank::Otp].as_ref())),
each => (each, None),
};
if found.contains(key) {
@ -1008,46 +1014,59 @@ fn process_chip(
}
found.insert(key);
if key == "FLASH_OTP" {
if let Some(region) = memories
.determine_flash_regions(chip_name)
.iter()
.find(|x| x.bank == memory::FlashBank::Otp)
{
memory_regions.push(stm32_data_serde::chip::Memory {
name: region.name.clone(),
kind: stm32_data_serde::chip::memory::Kind::Otp,
address: u32::try_from(*address).unwrap(),
size: region.bytes,
settings: Some(region.settings.clone()),
})
if let Some(banks) = banks {
for bank in banks {
let bank_name = match bank {
memory::FlashBank::Bank1 => "BANK_1",
memory::FlashBank::Bank2 => "BANK_2",
memory::FlashBank::Otp => "OTP",
};
let regions: Vec<_> = flash_regions
.iter()
.filter(|region| region.bank == *bank)
.enumerate()
.map_while(|(index, region)| {
let size = if *bank == memory::FlashBank::Bank1 || *bank == memory::FlashBank::Bank2 {
// Truncate region to the total amount of remaining chip flash
let size = std::cmp::min(region.bytes, flash_remaining);
flash_remaining -= size;
if size == 0 {
// No more regions are present on this chip
return None;
}
size
} else {
region.bytes
};
Some((index, region.address, size, region.settings.clone()))
})
.collect();
let has_multiple_regions = regions.len() > 1;
for (index, address, size, settings) in regions {
let name = if has_multiple_regions {
format!("{}_REGION_{}", bank_name, index + 1)
} else {
bank_name.to_string()
};
memory_regions.push(stm32_data_serde::chip::Memory {
name,
kind: stm32_data_serde::chip::memory::Kind::Flash,
address,
size,
settings: Some(settings.clone()),
});
}
}
} else {
let bank = if key == "BANK2" {
memory::FlashBank::Bank2
} else {
memory::FlashBank::Bank1
};
for region in memories
.determine_flash_regions(chip_name)
.iter()
.filter(|x| x.bank == bank)
{
let size = if key == "BANK1" || key == "BANK2" {
std::cmp::min(region.bytes, flash_total)
} else {
0
};
memory_regions.push(stm32_data_serde::chip::Memory {
name: format!("{}_{}", key, region.name),
kind: stm32_data_serde::chip::memory::Kind::Flash,
address: u32::try_from(*address).unwrap(),
size,
settings: Some(region.settings.clone()),
})
}
memory_regions.push(stm32_data_serde::chip::Memory {
name: key.to_string(),
kind: stm32_data_serde::chip::memory::Kind::Flash,
address: u32::try_from(*address).unwrap(),
size: 0,
settings: None,
})
}
}
}
@ -1077,7 +1096,7 @@ fn process_chip(
found.insert(key);
let size = if key == "SRAM" {
let size = memories.determine_ram_size(chip_name);
let size = memories.determine_ram_size(chip_name, flash_size);
std::cmp::min(size, ram_total)
} else {
0
@ -1093,7 +1112,7 @@ fn process_chip(
}
}
let docs = docs.documents_for(chip_name);
let device_id = memories.determine_device_id(chip_name);
let device_id = memories.determine_device_id(chip_name, flash_size);
let chip = stm32_data_serde::Chip {
name: chip_name.to_string(),
family: group.family.clone().unwrap(),

164
stm32-data-gen/src/memory.rs
View File

@ -1,11 +1,12 @@
use std::fs;
use std::{cmp::Ordering, fs};
#[derive(Debug, PartialEq)]
struct Memory {
pub device_id: u16,
pub names: Vec<String>,
pub ram: Ram,
pub flash: Vec<FlashRegion>,
pub flash_size: u32,
pub flash_regions: Vec<FlashRegion>,
}
#[derive(Clone, Copy, Debug, PartialEq)]
@ -17,7 +18,6 @@ struct Ram {
#[derive(Clone, Debug, PartialEq)]
pub struct FlashRegion {
pub bank: FlashBank,
pub name: String,
pub address: u32,
pub bytes: u32,
pub settings: stm32_data_serde::chip::memory::Settings,
@ -214,7 +214,6 @@ impl Memories {
paths.sort();
let mut memories = Vec::new();
let alphabet: Vec<char> = (b'A'..=b'Z').map(|c| c as char).collect();
for f in paths {
// println!("Parsing {f:?}");
@ -226,9 +225,10 @@ impl Memories {
let names = split_names(&parsed.device.name);
let mut ram = None;
let mut flash = vec![];
let mut flash_size = None;
let mut flash_regions = vec![];
for peripheral in parsed.device.peripherals.peripharal {
for mut peripheral in parsed.device.peripherals.peripharal {
if peripheral.name == "Embedded SRAM" && ram.is_none() {
let config = peripheral.configuration.first().unwrap();
let parameters = config.parameters.as_ref().unwrap();
@ -249,49 +249,63 @@ impl Memories {
};
if let Some(kind) = kind {
// Use single bank alignment if both single and dual is available
let config = peripheral
.configuration
.iter()
.find(|c| c.organization.as_ref().map(|x| x.as_str()).unwrap_or_default() == "Single")
.unwrap_or_else(|| peripheral.configuration.first().unwrap());
let parameters = config.parameters.as_ref().unwrap();
let bank = config.bank.first().unwrap();
peripheral.configuration.sort_by(|a, b| {
// Prefer largest size
let ordering = b
.parameters
.as_ref()
.unwrap()
.size
.partial_cmp(&a.parameters.as_ref().unwrap().size)
.unwrap();
let flash_bank = match kind {
BlockKind::Main => match bank.name.as_ref().map(|x| x.as_str()) {
Some("Bank 1") => FlashBank::Bank1,
Some("Bank 2") => FlashBank::Bank2,
None => FlashBank::Bank1,
_ => unimplemented!(),
},
BlockKind::Otp => FlashBank::Otp,
};
let erase_value = peripheral.erased_value.unwrap();
let write_size = config.allignement.unwrap();
flash.extend(bank.field.iter().enumerate().map(|(index, field)| {
let name = match kind {
BlockKind::Main => format!("MAIN{}", alphabet[index]).to_string(),
BlockKind::Otp => "OTP".to_string(),
};
let bytes = if let Some(occurence) = field.parameters.occurence {
occurence * field.parameters.size
// ... then prefer single ordering over dual
if ordering == Ordering::Equal {
// Possible values are Single and Dual
b.organization.partial_cmp(&a.organization).unwrap()
} else {
parameters.size
};
FlashRegion {
bank: flash_bank,
name,
address: field.parameters.address,
bytes,
settings: stm32_data_serde::chip::memory::Settings {
erase_value,
write_size,
erase_size: field.parameters.size,
},
ordering
}
}));
});
let config = peripheral.configuration.first().unwrap();
if flash_size.is_none() {
let parameters = config.parameters.as_ref().unwrap();
flash_size = Some(parameters.size);
}
for bank in config.bank.iter() {
let flash_bank = match kind {
BlockKind::Main => match bank.name.as_ref().map(|x| x.as_str()) {
Some("Bank 1") => Some(FlashBank::Bank1),
Some("Bank 2") => Some(FlashBank::Bank2),
Some("EEPROM1") => None,
Some("EEPROM2") => None,
None => {
assert_eq!(1, config.bank.len());
Some(FlashBank::Bank1)
}
Some(other) => unimplemented!("Unsupported flash bank {}", other),
},
BlockKind::Otp => Some(FlashBank::Otp),
};
if let Some(flash_bank) = flash_bank {
let erase_value = peripheral.erased_value.unwrap();
let write_size = config.allignement.unwrap();
flash_regions.extend(bank.field.iter().map(|field| FlashRegion {
bank: flash_bank,
address: field.parameters.address,
bytes: field.parameters.occurence.unwrap() * field.parameters.size,
settings: stm32_data_serde::chip::memory::Settings {
erase_value,
write_size,
erase_size: field.parameters.size,
},
}));
}
}
}
}
@ -299,7 +313,8 @@ impl Memories {
device_id,
names,
ram: ram.unwrap(),
flash,
flash_size: flash_size.unwrap_or_default(),
flash_regions,
});
}
@ -311,9 +326,9 @@ impl Memories {
address: 0x20000000,
bytes: 64 * 1024,
},
flash: vec![FlashRegion {
flash_size: 384 * 1024,
flash_regions: vec![FlashRegion {
bank: FlashBank::Bank1,
name: "MAINA".to_string(),
address: 0x08000000,
bytes: 384 * 1024,
settings: stm32_data_serde::chip::memory::Settings {
@ -331,9 +346,9 @@ impl Memories {
address: 0x20000000,
bytes: 80 * 1024,
},
flash: vec![FlashRegion {
flash_size: 384 * 1024,
flash_regions: vec![FlashRegion {
bank: FlashBank::Bank1,
name: "MAINA".to_string(),
address: 0x08000000,
bytes: 384 * 1024,
settings: stm32_data_serde::chip::memory::Settings {
@ -349,45 +364,54 @@ impl Memories {
names: vec!["STM32L100x6".to_string()],
ram: Ram {
address: 0x20000000,
bytes: 32 * 1024,
},
flash: vec![FlashRegion {
bank: FlashBank::Bank1,
name: "MAINA".to_string(),
address: 0x08000000,
bytes: 4 * 1024,
},
flash_size: 32 * 1024,
flash_regions: vec![FlashRegion {
bank: FlashBank::Bank1,
address: 0x08000000,
bytes: 32 * 1024,
settings: stm32_data_serde::chip::memory::Settings {
erase_value: 0xFF,
write_size: 4,
erase_size: 256,
write_size: 4,
erase_value: 0xFF,
},
}],
});
// Sort memories by flash size in descending order so that when we look
// a chip up later by name, the it will find the one with the largest flash size.
memories.sort_by(|a, b| b.flash_size.cmp(&a.flash_size));
Ok(Self(memories))
}
fn lookup_chip(&self, chip_name: &str) -> &Memory {
fn lookup_chip(&self, chip_name: &str, flash_size: u32) -> &Memory {
// We use here that the memories are sorted in descending order by flash size.
// We emit the memory for which which the regions include at least the flash size of the requested chip.
for each in &self.0 {
for name in &each.names {
if is_chip_name_match(name, chip_name) {
return each;
if each.flash_size >= flash_size {
for name in &each.names {
if is_chip_name_match(name, chip_name) {
return each;
}
}
}
}
panic!("could not find memory information for {chip_name}");
panic!("could not find memory information for {chip_name} with flash size {flash_size}");
}
pub fn determine_ram_size(&self, chip_name: &str) -> u32 {
self.lookup_chip(chip_name).ram.bytes
pub fn determine_ram_size(&self, chip_name: &str, flash_size: u32) -> u32 {
self.lookup_chip(chip_name, flash_size).ram.bytes
}
pub fn determine_flash_regions(&self, chip_name: &str) -> &[FlashRegion] {
self.lookup_chip(chip_name).flash.as_slice()
pub fn determine_flash_regions(&self, chip_name: &str, flash_size: u32) -> &[FlashRegion] {
self.lookup_chip(chip_name, flash_size).flash_regions.as_slice()
}
pub fn determine_device_id(&self, chip_name: &str) -> u16 {
self.lookup_chip(chip_name).device_id
pub fn determine_device_id(&self, chip_name: &str, flash_size: u32) -> u16 {
self.lookup_chip(chip_name, flash_size).device_id
}
}

1
stm32-data-serde/src/lib.rs
View File

@ -40,7 +40,6 @@ pub mod chip {
pub enum Kind {
Flash,
Ram,
Otp,
}
#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]