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fw: Import tkey-libs fw-2

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This is an import of the fw-2 tag of tkey-libs.

We import the entire tkey-libs repo minus dot files into the
tillitis-key1 repo to make it very simple not to make mistakes
regarding which firmware tag depends on which tkey-libs tag,
especially considering locking down with NVCM.

Please see README for information about developing with another
tkey-libs or how to import future tkey-libs.

Since tkey-libs is now a part of the repo we also add tkey-libs to the
clean_fw target.
This commit is contained in:
Michael Cardell Widerkrantz 2025-03-11 13:16:56 +01:00
parent 3dbc31f54c
commit 16a9e8c367
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33
hw/application_fpga/tkey-libs/include/tkey/io.h Normal file
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// SPDX-FileCopyrightText: 2025 Tillitis AB <tillitis.se>
// SPDX-License-Identifier: BSD-2-Clause
#include <stddef.h>
#include <stdint.h>
#ifndef TKEY_IO_H
#define TKEY_IO_H
// I/O endpoints. Keep it as bits possible to use in a bitmask in
// readselect().
//
// Note that the the TKEYCTRL, CDC, and HID should be kept the same on
// the CH552 side.
enum ioend {
IO_NONE = 0x00, // No endpoint
IO_UART = 0x01, // Only destination, raw UART access
IO_QEMU = 0x10, // Only destination, QEMU debug port
IO_TKEYCTRL = 0x20, // HID debug port
IO_CDC = 0x40, // CDC "serial port"
IO_HID = 0x80, // HID security token
};
void write(enum ioend dest, const uint8_t *buf, size_t nbytes);
int read(enum ioend src, uint8_t *buf, size_t bufsize, size_t nbytes);
int uart_read(uint8_t *buf, size_t bufsize, size_t nbytes);
int readselect(int bitmask, enum ioend *endpoint, uint8_t *len);
void putchar(enum ioend dest, const uint8_t ch);
void puthex(enum ioend dest, const uint8_t ch);
void putinthex(enum ioend dest, const uint32_t n);
void puts(enum ioend dest, const char *s);
void hexdump(enum ioend dest, void *buf, int len);
#endif