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pub mod adi_v5_memory_interface;
pub mod romtable;
use crate::coresight::access_ports::AccessPortError;
pub trait ToMemoryReadSize: Into<u32> + Copy {
/// The alignment mask that is required to test for properly aligned memory.
const ALIGNMENT_MASK: u32;
/// The transfer size expressed in bytes.
const MEMORY_TRANSFER_SIZE: u8;
/// Transform a generic 32 bit sized value to a transfer size sized one.
fn to_result(value: u32) -> Self;
}
impl ToMemoryReadSize for u32 {
const ALIGNMENT_MASK: u32 = 0x3;
const MEMORY_TRANSFER_SIZE: u8 = 4;
fn to_result(value: u32) -> Self {
value
}
}
impl ToMemoryReadSize for u16 {
const ALIGNMENT_MASK: u32 = 0x1;
const MEMORY_TRANSFER_SIZE: u8 = 2;
fn to_result(value: u32) -> Self {
value as u16
}
}
impl ToMemoryReadSize for u8 {
const ALIGNMENT_MASK: u32 = 0x0;
const MEMORY_TRANSFER_SIZE: u8 = 1;
fn to_result(value: u32) -> Self {
value as u8
}
}
pub trait MI {
/// Read a 32bit word of at `addr`.
///
/// The address where the read should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn read32(&mut self, address: u32) -> Result<u32, AccessPortError>;
/// Read an 8bit word of at `addr`.
///
/// The address where the read should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn read8(&mut self, address: u32) -> Result<u8, AccessPortError>;
/// Read a block of 32bit words at `addr`.
///
/// The number of words read is `data.len()`.
/// The address where the read should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn read_block32(&mut self, address: u32, data: &mut [u32]) -> Result<(), AccessPortError>;
/// Read a block of 8bit words at `addr`.
///
/// The number of words read is `data.len()`.
/// The address where the read should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn read_block8(&mut self, address: u32, data: &mut [u8]) -> Result<(), AccessPortError>;
/// Write a 32bit word at `addr`.
///
/// The address where the write should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn write32(&mut self, addr: u32, data: u32) -> Result<(), AccessPortError>;
/// Write an 8bit word at `addr`.
///
/// The address where the write should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn write8(&mut self, addr: u32, data: u8) -> Result<(), AccessPortError>;
/// Write a block of 32bit words at `addr`.
///
/// The number of words written is `data.len()`.
/// The address where the write should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn write_block32(&mut self, addr: u32, data: &[u32]) -> Result<(), AccessPortError>;
/// Write a block of 8bit words at `addr`.
///
/// The number of words written is `data.len()`.
/// The address where the write should be performed at has to be word aligned.
/// Returns `AccessPortError::MemoryNotAligned` if this does not hold true.
fn write_block8(&mut self, addr: u32, data: &[u8]) -> Result<(), AccessPortError>;
}
impl<T> MI for &mut T
where
T: MI,
{
fn read32(&mut self, address: u32) -> Result<u32, AccessPortError> {
(*self).read32(address)
}
fn read8(&mut self, address: u32) -> Result<u8, AccessPortError> {
(*self).read8(address)
}
fn read_block32(&mut self, address: u32, data: &mut [u32]) -> Result<(), AccessPortError> {
(*self).read_block32(address, data)
}
fn read_block8(&mut self, address: u32, data: &mut [u8]) -> Result<(), AccessPortError> {
(*self).read_block8(address, data)
}
fn write32(&mut self, addr: u32, data: u32) -> Result<(), AccessPortError> {
(*self).write32(addr, data)
}
fn write8(&mut self, addr: u32, data: u8) -> Result<(), AccessPortError> {
(*self).write8(addr, data)
}
fn write_block32(&mut self, addr: u32, data: &[u32]) -> Result<(), AccessPortError> {
(*self).write_block32(addr, data)
}
fn write_block8(&mut self, addr: u32, data: &[u8]) -> Result<(), AccessPortError> {
(*self).write_block8(addr, data)
}
}