| /* |
| # SPDX-FileCopyrightText: 2020 Efabless Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /* |
| *------------------------------------------------------------------------- |
| * Note: This is like the default sections.lds file for Caravel, but moves |
| * the start of SRAM used by the compiler to address 0x80 to make room for |
| * memory used by the firmware routines defined in the local start.S file. |
| *------------------------------------------------------------------------- |
| */ |
| |
| MEMORY { |
| FLASH (rx) : ORIGIN = 0x10000000, LENGTH = 0x400000 /* 4MB */ |
| RAM(xrw) : ORIGIN = 0x00000080, LENGTH = 0x0380 /* 256 words (1 KB) */ |
| } |
| |
| SECTIONS { |
| /* The program code and other data goes into FLASH */ |
| .text : |
| { |
| . = ALIGN(4); |
| *(.text) /* .text sections (code) */ |
| *(.text*) /* .text* sections (code) */ |
| *(.rodata) /* .rodata sections (constants, strings, etc.) */ |
| *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ |
| *(.srodata) /* .srodata sections (constants, strings, etc.) */ |
| *(.srodata*) /* .srodata*sections (constants, strings, etc.) */ |
| . = ALIGN(4); |
| _etext = .; /* define a global symbol at end of code */ |
| _sidata = _etext; /* This is used by the startup to initialize data */ |
| } >FLASH |
| |
| /* Initialized data section */ |
| .data : AT ( _sidata ) |
| { |
| . = ALIGN(4); |
| _sdata = .; |
| _ram_start = .; |
| . = ALIGN(4); |
| *(.data) |
| *(.data*) |
| *(.sdata) |
| *(.sdata*) |
| . = ALIGN(4); |
| _edata = .; |
| } >RAM |
| |
| /* Uninitialized data section */ |
| .bss : |
| { |
| . = ALIGN(4); |
| _sbss = .; |
| *(.bss) |
| *(.bss*) |
| *(.sbss) |
| *(.sbss*) |
| *(COMMON) |
| |
| . = ALIGN(4); |
| _ebss = .; |
| } >RAM |
| |
| /* Define the start of the heap */ |
| .heap : |
| { |
| . = ALIGN(4); |
| _heap_start = .; |
| } >RAM |
| } |