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Code Issues Releases Wiki Activity

feat(code): introduce dbg_printf for kernel debugging

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This commit is contained in:
cepetr 2025-03-06 17:02:42 +01:00 committed by cepetr
parent 2867768745
commit 0fb1693ea8
4 changed files with 82 additions and 1 deletions
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30
core/embed/sys/dbg/inc/sys/dbg_printf.h Normal file
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@ -0,0 +1,30 @@
/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#ifdef KERNEL_MODE
// vprintf-like functions for debugging
void dbg_vprintf(const char* fmt, va_list args);
// printf-like functions for debugging
void dbg_printf(const char* fmt, ...);
#endif // KERNEL_MODE

47
core/embed/sys/dbg/stm32/dbg_printf.c Normal file
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@ -0,0 +1,47 @@
/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef KERNEL_MODE
#include <rtl/mini_printf.h>
#include <stdarg.h>
#include <sys/irq.h>
void dbg_vprintf(const char* fmt, va_list args) {
char temp[80];
mini_vsnprintf(temp, sizeof(temp), fmt, args);
irq_key_t irq_key = irq_lock();
for (size_t i = 0; i < sizeof(temp); i++) {
if (temp[i] == '\0') {
break;
}
ITM_SendChar(temp[i]);
}
irq_unlock(irq_key);
}
void dbg_printf(const char* fmt, ...) {
va_list args;
va_start(args, fmt);
dbg_vprintf(fmt, args);
va_end(args);
}
#endif // KERNEL_MODE

2
core/site_scons/models/stm32f4_common.py
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@ -17,6 +17,7 @@ def stm32f4_common_files(env, defines, sources, paths):
"embed/sec/secure_aes/inc",
"embed/sec/time_estimate/inc",
"embed/sys/bsp/stm32f4",
"embed/sys/dbg/inc",
"embed/sys/irq/inc",
"embed/sys/linker/inc",
"embed/sys/mpu/inc",
@ -68,6 +69,7 @@ def stm32f4_common_files(env, defines, sources, paths):
"embed/sec/rng/stm32/rng.c",
"embed/sec/secret/stm32f4/secret.c",
"embed/sec/time_estimate/stm32/time_estimate.c",
"embed/sys/dbg/stm32/dbg_printf.c",
"embed/sys/linker/linker_utils.c",
"embed/sys/mpu/stm32f4/mpu.c",
"embed/sys/pvd/stm32/pvd.c",

4
core/site_scons/models/stm32u5_common.py
View File

@ -18,8 +18,9 @@ def stm32u5_common_files(env, defines, sources, paths):
"embed/sec/secret/inc",
"embed/sec/secure_aes/inc",
"embed/sec/time_estimate/inc",
"embed/sys/irq/inc",
"embed/sys/bsp/stm32u5",
"embed/sys/dbg/inc",
"embed/sys/irq/inc",
"embed/sys/linker/inc",
"embed/sys/mpu/inc",
"embed/sys/pvd/inc",
@ -86,6 +87,7 @@ def stm32u5_common_files(env, defines, sources, paths):
"embed/sec/secret/stm32u5/secret.c",
"embed/sec/secure_aes/stm32u5/secure_aes.c",
"embed/sec/time_estimate/stm32/time_estimate.c",
"embed/sys/dbg/stm32/dbg_printf.c",
"embed/sys/linker/linker_utils.c",
"embed/sys/mpu/stm32u5/mpu.c",
"embed/sys/pvd/stm32/pvd.c",