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Sep 27, 2019
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Add NUCLEO-L452RE-P support #673

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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -68,6 +68,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| :green_heart: | [Nucleo L073RZ](http://www.st.com/en/evaluation-tools/nucleo-l073rz.html) | *1.4.0* | |
| :green_heart: | [Nucleo L152RE](http://www.st.com/en/evaluation-tools/nucleo-l152re.html) | *1.0.0* | |
| :green_heart: | [Nucleo L452RE](http://www.st.com/en/evaluation-tools/nucleo-l452re.html) | *1.5.0* | |
| :yellow_heart: | [Nucleo L452RE-P](http://www.st.com/en/evaluation-tools/nucleo-l452re-p.html) | **1.8.0** | |
| :green_heart: | [Nucleo L476RG](http://www.st.com/en/evaluation-tools/nucleo-l476rg.html) | *0.1.0* | |
| :green_heart: | [P-Nucleo-WB55RG](https://www.st.com/en/evaluation-tools/p-nucleo-wb55.html) | *1.6.0* | No BLE support |

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13 changes: 13 additions & 0 deletions boards.txt
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Expand Up @@ -358,6 +358,19 @@ Nucleo_64.menu.pnum.NUCLEO_L452RE.build.product_line=STM32L452xx
Nucleo_64.menu.pnum.NUCLEO_L452RE.build.variant=NUCLEO_L452RE
Nucleo_64.menu.pnum.NUCLEO_L452RE.build.cmsis_lib_gcc=arm_cortexM4l_math

# NUCLEO_L452RE-P board
Nucleo_64.menu.pnum.NUCLEO_L452REP=Nucleo L452RE-P
Nucleo_64.menu.pnum.NUCLEO_L452REP.node=NODE_L452RE
Nucleo_64.menu.pnum.NUCLEO_L452REP.upload.maximum_size=524288
Nucleo_64.menu.pnum.NUCLEO_L452REP.upload.maximum_data_size=163840
Nucleo_64.menu.pnum.NUCLEO_L452REP.build.mcu=cortex-m4
Nucleo_64.menu.pnum.NUCLEO_L452REP.build.flags.fp=-mfpu=fpv4-sp-d16 -mfloat-abi=hard
Nucleo_64.menu.pnum.NUCLEO_L452REP.build.board=NUCLEO_L452RE_P
Nucleo_64.menu.pnum.NUCLEO_L452REP.build.series=STM32L4xx
Nucleo_64.menu.pnum.NUCLEO_L452REP.build.product_line=STM32L452xx
Nucleo_64.menu.pnum.NUCLEO_L452REP.build.variant=NUCLEO_L452RE
Nucleo_64.menu.pnum.NUCLEO_L452REP.build.cmsis_lib_gcc=arm_cortexM4l_math

# NUCLEO_L476RG board
# Support: Serial1 (USART1 on PA10, PA9)
Nucleo_64.menu.pnum.NUCLEO_L476RG=Nucleo L476RG
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88 changes: 59 additions & 29 deletions variants/NUCLEO_L452RE/PeripheralPins.c
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Expand Up @@ -3,30 +3,13 @@
* Copyright (c) 2019, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
* Automatically generated from STM32L452RETxP.xml
* Automatically generated from STM32L452R(C-E)Tx.xml and STM32L452RETxP.xml
*/
#include "Arduino.h"
#include "PeripheralPins.h"
Expand All @@ -46,16 +29,27 @@ WEAK const PinMap PinMap_ADC[] = {
// {PA_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 7, 0)}, // ADC1_IN7
// {PA_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 8, 0)}, // ADC1_IN8
{PA_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 9, 0)}, // ADC1_IN9
// {PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 10, 0)}, // ADC1_IN10
#ifdef ARDUINO_NUCLEO_L452RE
// {PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 10, 0)}, // ADC1_IN10 - LED
#else
{PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 10, 0)}, // ADC1_IN10
#endif
{PA_6, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 11, 0)}, // ADC1_IN11
{PA_7, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 12, 0)}, // ADC1_IN12
{PB_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC1_IN15
#ifdef ARDUINO_NUCLEO_L452RE
// {PB_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)}, // ADC1_IN16
#else
{PB_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)}, // ADC1_IN16
#endif
{PC_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // ADC1_IN1
{PC_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // ADC1_IN2
{PC_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 3, 0)}, // ADC1_IN3
{PC_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 4, 0)}, // ADC1_IN4
{PC_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC1_IN13
#ifdef ARDUINO_NUCLEO_L452RE
// {PC_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC1_IN14
#endif
{NC, NP, 0}
};
#endif
Expand All @@ -75,14 +69,14 @@ WEAK const PinMap PinMap_DAC[] = {
WEAK const PinMap PinMap_I2C_SDA[] = {
{PA_10, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
{PB_4, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
// {PB_7, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
{PB_7, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C4)},
{PB_7, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
// {PB_7, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C4)},
{PB_9, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
{PB_11, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)},
// {PB_11, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF3_I2C4)},
{PB_14, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)},
{PC_1, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
// {PC_1, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF2_I2C4)},
// {PC_1, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
{PC_1, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF2_I2C4)},
{NC, NP, 0}
};
#endif
Expand All @@ -97,8 +91,8 @@ WEAK const PinMap PinMap_I2C_SCL[] = {
{PB_10, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)},
// {PB_10, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF3_I2C4)},
{PB_13, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)},
{PC_0, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
// {PC_0, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF2_I2C4)},
// {PC_0, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
{PC_0, I2C4, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF2_I2C4)},
{NC, NP, 0}
};
#endif
Expand Down Expand Up @@ -154,8 +148,13 @@ WEAK const PinMap PinMap_PWM[] = {
#ifdef HAL_UART_MODULE_ENABLED
WEAK const PinMap PinMap_UART_TX[] = {
{PA_0, UART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_UART4)},
#ifdef ARDUINO_NUCLEO_L452RE
// {PA_2, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)},
{PA_2, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
#else
{PA_2, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)},
//{PA_2, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
#endif
{PA_9, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
{PB_6, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
{PB_10, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
Expand All @@ -171,14 +170,22 @@ WEAK const PinMap PinMap_UART_TX[] = {
#ifdef HAL_UART_MODULE_ENABLED
WEAK const PinMap PinMap_UART_RX[] = {
{PA_1, UART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_UART4)},
#ifdef ARDUINO_NUCLEO_L452RE
// {PA_3, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)},
{PA_3, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
#else
{PA_3, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)},
//{PA_3, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
#endif
{PA_10, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
{PA_15, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART2)},
{PB_7, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
{PB_10, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)},
{PB_11, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
{PC_0, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)},
#ifdef ARDUINO_NUCLEO_L452RE
{PC_5, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
#endif
// {PC_11, UART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_UART4)},
{PC_11, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
{NC, NP, 0}
Expand All @@ -196,6 +203,9 @@ WEAK const PinMap PinMap_UART_RTS[] = {
{PB_3, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
{PB_12, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)},
{PB_14, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
#ifdef ARDUINO_NUCLEO_L452RE
{PD_2, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
#endif
{NC, NP, 0}
};
#endif
Expand Down Expand Up @@ -323,3 +333,23 @@ WEAK const PinMap PinMap_USB[] = {
//*** No USB_OTG_FS ***

//*** No USB_OTG_HS ***

//*** SD ***

#ifdef HAL_SD_MODULE_ENABLED
#ifdef ARDUINO_NUCLEO_L452RE
WEAK const PinMap PinMap_SD[] = {
{PB_8, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D4
{PB_9, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D5
{PC_6, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D6
{PC_7, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D7
{PC_8, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D0
{PC_9, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D1
{PC_10, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D2
{PC_11, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDMMC1)}, // SDMMC1_D3
{PC_12, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_SDMMC1)}, // SDMMC1_CK
{PD_2, SDMMC1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_SDMMC1)}, // SDMMC1_CMD
{NC, NP, 0}
};
#endif
#endif
56 changes: 35 additions & 21 deletions variants/NUCLEO_L452RE/ldscript.ld
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@@ -1,11 +1,14 @@
/*
*****************************************************************************
******************************************************************************
**

** File : ldscript.ld
**
** Abstract : Linker script for STM32L452RE Device with
** 512KByte FLASH, 160KByte RAM
** Author : Auto-generated by STM32CubeIDE
**
** Abstract : Linker script for NUCLEO-L452RE(-P) Board embedding STM32L452RETx(P) Device from STM32L4 series
** 512Kbytes FLASH
** 160Kbytes RAM
**
** Set heap size, stack size and stack location according
** to application requirements.
Expand All @@ -14,13 +17,13 @@
**
** Target : STMicroelectronics STM32
**
** Distribution: The file is distributed as is, without any warranty
** Distribution: The file is distributed as is without any warranty
** of any kind.
**
*****************************************************************************
** @attention
**
** <h2><center>&copy; COPYRIGHT(c) 2014 Ac6</center></h2>
** <h2><center>&copy; COPYRIGHT(c) 2019 STMicroelectronics</center></h2>
**
** Redistribution and use in source and binary forms, with or without modification,
** are permitted provided that the following conditions are met:
Expand All @@ -29,7 +32,7 @@
** 2. Redistributions in binary form must reproduce the above copyright notice,
** this list of conditions and the following disclaimer in the documentation
** and/or other materials provided with the distribution.
** 3. Neither the name of Ac6 nor the names of its contributors
** 3. Neither the name of STMicroelectronics nor the names of its contributors
** may be used to endorse or promote products derived from this software
** without specific prior written permission.
**
Expand All @@ -51,30 +54,29 @@
ENTRY(Reset_Handler)

/* Highest address of the user mode stack */
_estack = 0x20028000; /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_estack = 0x20028000; /* end of "RAM" Ram type memory */
_Min_Heap_Size = 0x200; /* required amount of heap */
_Min_Stack_Size = 0x400; /* required amount of stack */

/* Specify the memory areas */
/* Memories definition */
MEMORY
{
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 160K
FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 512K
}

/* Define output sections */
/* Sections */
SECTIONS
{
/* The startup code goes first into FLASH */
/* The startup code into "FLASH" Rom type memory */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH

/* The program code and other data goes into FLASH */
/* The program code and other data into "FLASH" Rom type memory */
.text :
{
. = ALIGN(4);
Expand All @@ -91,7 +93,7 @@ SECTIONS
_etext = .; /* define a global symbols at end of code */
} >FLASH

/* Constant data goes into FLASH */
/* Constant data into "FLASH" Rom type memory */
.rodata :
{
. = ALIGN(4);
Expand All @@ -100,38 +102,50 @@ SECTIONS
. = ALIGN(4);
} >FLASH

.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM.extab : {
. = ALIGN(4);
*(.ARM.extab* .gnu.linkonce.armextab.*)
. = ALIGN(4);
} >FLASH
.ARM : {
. = ALIGN(4);
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
. = ALIGN(4);
} >FLASH

.preinit_array :
{
. = ALIGN(4);
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(4);
} >FLASH
.init_array :
{
. = ALIGN(4);
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(4);
} >FLASH
.fini_array :
{
. = ALIGN(4);
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
. = ALIGN(4);
} >FLASH

/* used by the startup to initialize data */
/* Used by the startup to initialize data */
_sidata = LOADADDR(.data);

/* Initialized data sections goes into RAM, load LMA copy after code */
/* Initialized data sections into "RAM" Ram type memory */
.data :
{
. = ALIGN(4);
Expand All @@ -144,7 +158,7 @@ SECTIONS
} >RAM AT> FLASH


/* Uninitialized data section */
/* Uninitialized data section into "RAM" Ram type memory */
. = ALIGN(4);
.bss :
{
Expand All @@ -160,20 +174,20 @@ SECTIONS
__bss_end__ = _ebss;
} >RAM

/* User_heap_stack section, used to check that there is enough RAM left */
/* User_heap_stack section, used to check that there is enough "RAM" Ram type memory left */
._user_heap_stack :
{
. = ALIGN(4);
. = ALIGN(8);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(4);
. = ALIGN(8);
} >RAM



/* Remove information from the standard libraries */
/* Remove information from the compiler libraries */
/DISCARD/ :
{
libc.a ( * )
Expand Down
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