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trezor-firmware/legacy/firmware/fsm_msg_debug.h
2022-02-10 14:48:11 +01:00

120 lines
3.7 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (C) 2018 Pavol Rusnak <stick@satoshilabs.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#if DEBUG_LINK
void fsm_msgDebugLinkGetState(const DebugLinkGetState *msg) {
(void)msg;
// Do not use RESP_INIT because it clears msg_resp, but another message
// might be being handled
DebugLinkState resp;
memzero(&resp, sizeof(resp));
resp.has_layout = true;
resp.layout.size = OLED_BUFSIZE;
memcpy(resp.layout.bytes, oledGetBuffer(), OLED_BUFSIZE);
resp.has_pin = config_getPin(resp.pin, sizeof(resp.pin));
resp.has_matrix = true;
strlcpy(resp.matrix, pinmatrix_get(), sizeof(resp.matrix));
resp.has_reset_entropy = true;
resp.reset_entropy.size = reset_get_int_entropy(resp.reset_entropy.bytes);
resp.has_reset_word = true;
strlcpy(resp.reset_word, reset_get_word(), sizeof(resp.reset_word));
resp.has_recovery_fake_word = true;
strlcpy(resp.recovery_fake_word, recovery_get_fake_word(),
sizeof(resp.recovery_fake_word));
resp.has_recovery_word_pos = true;
resp.recovery_word_pos = recovery_get_word_pos();
resp.has_mnemonic_secret = config_getMnemonicBytes(
resp.mnemonic_secret.bytes, sizeof(resp.mnemonic_secret.bytes),
&resp.mnemonic_secret.size);
resp.mnemonic_type = 0; // BIP-39
resp.has_node = config_dumpNode(&(resp.node));
resp.has_passphrase_protection =
config_getPassphraseProtection(&(resp.passphrase_protection));
msg_debug_write(MessageType_MessageType_DebugLinkState, &resp);
}
void fsm_msgDebugLinkStop(const DebugLinkStop *msg) { (void)msg; }
void fsm_msgDebugLinkMemoryRead(const DebugLinkMemoryRead *msg) {
RESP_INIT(DebugLinkMemory);
uint32_t length = 1024;
if (msg->has_length && msg->length < length) length = msg->length;
resp->has_memory = true;
memcpy(resp->memory.bytes, FLASH_PTR(msg->address), length);
resp->memory.size = length;
msg_debug_write(MessageType_MessageType_DebugLinkMemory, resp);
}
void fsm_msgDebugLinkMemoryWrite(const DebugLinkMemoryWrite *msg) {
uint32_t length = msg->memory.size;
if (msg->flash) {
svc_flash_unlock();
svc_flash_program(FLASH_CR_PROGRAM_X32);
for (uint32_t i = 0; i < length; i += 4) {
uint32_t word;
memcpy(&word, msg->memory.bytes + i, 4);
flash_write32(msg->address + i, word);
}
uint32_t dummy = svc_flash_lock();
(void)dummy;
} else {
#if !EMULATOR
memcpy((void *)msg->address, msg->memory.bytes, length);
#endif
}
}
void fsm_msgDebugLinkFlashErase(const DebugLinkFlashErase *msg) {
svc_flash_unlock();
svc_flash_erase_sector(msg->sector);
uint32_t dummy = svc_flash_lock();
(void)dummy;
}
void fsm_msgDebugLinkReseedRandom(const DebugLinkReseedRandom *msg) {
#if EMULATOR
RESP_INIT(Success);
random_reseed(msg->value);
msg_debug_write(MessageType_MessageType_Success, resp);
#else
(void)msg;
RESP_INIT(Failure);
resp->code = FailureType_Failure_UnexpectedMessage;
resp->has_message = true;
strlcpy(resp->message, "ReseedRandom not supported on hardware",
sizeof(resp->message));
msg_debug_write(MessageType_MessageType_Failure, resp);
#endif
}
#endif