57 lines
1.4 KiB
Plaintext
57 lines
1.4 KiB
Plaintext
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/*
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* Linker script for the Boot ROM.
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*
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* Copyright 2020 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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MEMORY
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{
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rom (rx) : ORIGIN = 0xFFFF0000, LENGTH = 64K
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ram (a!rx) : ORIGIN = 0xFFFD0000, LENGTH = 128K
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}
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SECTIONS
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{
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/* Vectors are loaded into ROM, and copied into SRAM. */
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.text.vectors : {
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*(.text.vectors)
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. = 0x100;
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} >ram AT>rom
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/* The rest of the code follows the vectors, but is not copied. */
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.text : {
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*(.text .text.*)
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*(.rodata .rodata.*)
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. = ALIGN(32);
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_etext = .;
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} >rom
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/*
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* Data follows the code in ROM, and is copied after the vectors in RAM.
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* 32-byte aligned so we can use simple and fast copy loops.
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*/
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.data : {
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_data = .;
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*(.data.rom_status)
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*(.data .data.*)
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. = ALIGN(32);
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_edata = .;
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} >ram AT>rom
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/* BSS lives in RAM, after the data section. */
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.bss : {
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*(.bss .bss.*)
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. = ALIGN(32);
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_end = .;
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} >ram
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}
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