initial commit

third_party/tinyusb/hw/bsp/stm32c5/linker/stm32c542xc_flash.icf

@@ -0,0 +1,46 @@
+/**
+******************************************************************************
+* @file    stm32c542xc_flash.icf
+* @brief   Linker File
+******************************************************************************
+* @attention
+*
+* Copyright (c) 2026 STMicroelectronics.
+* All rights reserved.
+*
+* This software is licensed under terms that can be found in the LICENSE file
+* in the root directory of this software component.
+* If no LICENSE file comes with this software, it is provided AS-IS.
+*
+******************************************************************************
+*/
+
+define memory mem with size = 4G;
+define region ROM = mem:[from 0x8000000 size 0x40000];
+define region RAM = mem:[from 0x20000000 size 0x10000];
+
+/* define blocks */
+define block HEAP with alignment = 8, size = 0x200 { };
+define block CSTACK with alignment = 8, size = 0x1000 { };
+
+/* setup initialization strategies */
+initialize by copy {
+  readwrite
+};
+
+do not initialize {
+  section .noinit
+};
+
+place at start of ROM { readonly section .intvec } ;
+
+/* sections placements */
+place in ROM {
+  readonly
+};
+
+place in RAM {
+  readwrite,
+  block HEAP,
+  block CSTACK
+};

third_party/tinyusb/hw/bsp/stm32c5/linker/stm32c542xc_flash.ld

@@ -0,0 +1,185 @@
+/**
+******************************************************************************
+* @file    stm32c542xc_flash.ld
+* @brief   Linker File
+******************************************************************************
+* @attention
+*
+* Copyright (c) 2026 STMicroelectronics.
+* All rights reserved.
+*
+* This software is licensed under terms that can be found in the LICENSE file
+* in the root directory of this software component.
+* If no LICENSE file comes with this software, it is provided AS-IS.
+*
+******************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+HEAP_SIZE = 0x200;
+STACK_SIZE = 0x1000;
+
+
+MEMORY
+{
+  ROM (rx) : org = 0x8000000, len = 0x40000
+  RAM (xrw) : org = 0x20000000, len = 0x10000
+}
+
+SECTIONS
+{
+  .vectors :
+  {
+    . = ALIGN(8);
+    KEEP(*(.vectors));
+    . = ALIGN(8);
+  } > ROM
+
+  .text :
+  {
+    . = ALIGN(8);
+    *(.text);
+    *(.text*);
+    *(.glue_7);
+    *(.glue_7t);
+    *(.eh_frame);
+    KEEP (*(.init));
+    KEEP (*(.fini));
+    . = ALIGN(8);
+    _etext = .;
+  } > ROM
+
+  .rodata :
+  {
+    . = ALIGN(8);
+    *(.rodata);
+    *(.rodata*);
+    . = ALIGN(8);
+  } > ROM
+
+  .ARM.extab : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
+    . = ALIGN(8);
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+    . = ALIGN(8);
+  } > ROM
+
+  .ARM : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
+    . = ALIGN(8);
+    __exidx_start = .;
+    *(.ARM.exidx*);
+    __exidx_end = .;
+    . = ALIGN(8);
+  } > ROM
+
+  .preinit_array : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
+    . = ALIGN(8);
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*));
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+    . = ALIGN(8);
+  } > ROM
+
+  .init_array : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
+    . = ALIGN(8);
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)));
+    KEEP (*(.init_array*));
+    PROVIDE_HIDDEN (__init_array_end = .);
+    . = ALIGN(8);
+  } > ROM
+
+  .fini_array : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
+    . = ALIGN(8);
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)));
+    KEEP (*(.fini_array*));
+    PROVIDE_HIDDEN (__fini_array_end = .);
+    . = ALIGN(8);
+  } > ROM
+
+  .copy.table : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
+    . = ALIGN(8);
+    __copy_table_start__ = .;
+    LONG(LOADADDR(.data));
+    LONG (ADDR(.data));
+    LONG (SIZEOF(.data) / 4);
+    __copy_table_end__ = .;
+  } > ROM
+
+  .zero.table : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
+    . = ALIGN(8);
+    __zero_table_start__ = .;
+    LONG (ADDR(.bss));
+    LONG (SIZEOF(.bss) / 4);
+    __zero_table_end__ = .;
+  } > ROM
+
+  .data :
+  {
+    . = ALIGN(8);
+    _sidata = LOADADDR(.data);
+    __data_start__ = .;
+    _sdata = .;
+    *(.data);
+    *(.data*);
+    . = ALIGN(8);
+    _edata = .;
+  } > RAM AT> ROM
+
+  .bss :
+  {
+    . = ALIGN(8);
+    _sbss = .;
+    __bss_start__ = _sbss;
+    *(.bss);
+    *(.bss*);
+    *(COMMON);
+    . = ALIGN(8);
+    _ebss = .;
+    __bss_end__ = _ebss;
+  } > RAM
+
+  .heap (NOLOAD) :
+  {
+    . = ALIGN(8);
+    __end__ = .;
+    PROVIDE (end = .);
+    _heap_start = .;
+    . += HEAP_SIZE;
+    . = ALIGN(8);
+    _heap_end = .;
+    __HeapLimit = .;
+  } > RAM
+
+  .stack (NOLOAD) :
+  {
+    . = ALIGN(8);
+    __StackLimit = .;
+    . += STACK_SIZE;
+    . = ALIGN(8);
+    __StackTop = .;
+    _estack = .;
+    __stack = .;
+  } > RAM
+
+  /DISCARD/ :
+  {
+    libc.a ( * )
+    libm.a ( * )
+    libgcc.a ( * )
+  }
+
+  .ARM.attributes 0 :
+  {
+    *(.ARM.attributes)
+  }
+}