314 lines
8.7 KiB
Plaintext
314 lines
8.7 KiB
Plaintext
/****************************************************************************
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* boards/xtensa/esp32s3/common/scripts/kernel-space.ld
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/* Provide these so there is no need for using config files for this */
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__uirom_start = ORIGIN(UIROM);
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__uirom_size = LENGTH(UIROM);
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__uirom_end = ORIGIN(UIROM) + LENGTH(UIROM);
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__udrom_start = ORIGIN(UDROM);
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__udrom_size = LENGTH(UDROM);
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__udrom_end = ORIGIN(UDROM) + LENGTH(UDROM);
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__uiram_start = ORIGIN(UIRAM);
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__uiram_size = LENGTH(UIRAM);
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__uiram_end = ORIGIN(UIRAM) + LENGTH(UIRAM);
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__udram_start = ORIGIN(UDRAM);
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__udram_size = LENGTH(UDRAM);
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__udram_end = ORIGIN(UDRAM) + LENGTH(UDRAM);
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/* Provide the kernel boundaries as well */
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__kirom_start = ORIGIN(KIROM);
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__kirom_size = LENGTH(KIROM);
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__kdrom_start = ORIGIN(KDROM);
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__kdrom_size = LENGTH(KDROM);
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__kiram_start = ORIGIN(KIRAM);
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__kiram_size = LENGTH(KIRAM);
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__kiram_end = ORIGIN(KIRAM) + LENGTH(KIRAM);
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__kdram_start = ORIGIN(KDRAM);
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__kdram_size = LENGTH(KDRAM);
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__kdram_end = ORIGIN(KDRAM) + LENGTH(KDRAM);
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ENTRY(_stext)
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SECTIONS
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{
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/* Send .iram0 code to iram */
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.iram0.vectors :
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{
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/* Vectors go to IRAM */
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_init_start = ABSOLUTE(.);
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__vectors_start = ABSOLUTE(.);
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/* Vectors according to builds/RF-2015.2-win32/esp108_v1_2_s5_512int_2/config.html */
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. = 0x0;
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KEEP (*(.window_vectors.text));
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. = 0x180;
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KEEP (*(.xtensa_level2_vector.text));
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. = 0x1c0;
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KEEP (*(.xtensa_level3_vector.text));
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. = 0x200;
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KEEP (*(.xtensa_level4_vector.text));
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. = 0x240;
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KEEP (*(.xtensa_level5_vector.text));
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. = 0x280;
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KEEP (*(.debug_exception_vector.text));
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. = 0x2c0;
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KEEP (*(.nmi_vector.text));
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. = 0x300;
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KEEP (*(.kernel_exception_vector.text));
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. = 0x340;
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KEEP (*(.user_exception_vector.text));
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. = 0x3c0;
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KEEP (*(.double_exception_vector.text));
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. = 0x400;
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*(.*_vector.literal)
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. = ALIGN (16);
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__vectors_end = ABSOLUTE(.);
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*(.entry.text)
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*(.init.literal)
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*(.init)
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_init_end = ABSOLUTE(.);
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} >KIRAM
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.iram0.text :
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{
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/* Code marked as running out of IRAM */
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_iram_text_start = ABSOLUTE(.);
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*(.iram1 .iram1.*)
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esp32s3_userspace.*(.literal .text .literal.* .text.*)
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*librtc.a:(.literal .text .literal.* .text.*)
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*libkarch.a:esp32s3_spiflash.*(.literal .text .literal.* .text.*)
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*libkarch.a:xtensa_cpupause.*(.literal .text .literal.* .text.*)
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*libkarch.a:xtensa_copystate.*(.literal .text .literal.* .text.*)
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*libkarch.a:xtensa_interruptcontext.*(.literal .text .literal.* .text.*)
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*libkarch.a:xtensa_testset.*(.literal .text .literal.* .text.*)
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*libsched.a:sched_suspendscheduler.*(.literal .text .literal.* .text.*)
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*libsched.a:sched_note.*(.literal .text .literal.* .text.*)
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*libsched.a:sched_thistask.*(.literal .text .literal.* .text.*)
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*libsched.a:spinlock.*(.literal .text .literal.* .text.*)
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*libsched.a:irq_csection.*(.literal .text .literal.* .text.*)
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*libsched.a:irq_dispatch.*(.literal .text .literal.* .text.*)
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/* align + add 16B for CPU dummy speculative instr. fetch */
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. = ALIGN(4) + 16;
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_iram_text_end = ABSOLUTE(.);
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_iram_end = ABSOLUTE(.);
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} >KIRAM
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/* Shared RAM */
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.dram0.bss (NOLOAD) :
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{
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/* .bss initialized on power-up */
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. = ALIGN (8);
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_sbss = ABSOLUTE(.);
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*(.dynsbss)
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*(.sbss)
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*(.sbss.*)
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*(.gnu.linkonce.sb.*)
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*(.scommon)
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*(.sbss2)
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*(.sbss2.*)
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*(.gnu.linkonce.sb2.*)
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*(.dynbss)
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*(.bss)
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*(.bss.*)
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*(.share.mem)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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*libkarch.a:esp32s3_spiflash.*(.bss .bss.* COMMON)
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*libkarch.a:xtensa_cpupause.*(.bss .bss.* COMMON)
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*libkarch.a:xtensa_copystate.*(.bss .bss.* COMMON)
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*libkarch.a:xtensa_interruptcontext.*(.bss .bss.* COMMON)
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*libkarch.a:xtensa_testset.*(.bss .bss.* COMMON)
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*libsched.a:sched_suspendscheduler.*(.bss .bss.* COMMON)
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*libsched.a:sched_thistask.*(.bss .bss.* COMMON)
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*libsched.a:sched_note.*(.bss .bss.* COMMON)
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*libsched.a:spinlock.*(.bss .bss.* COMMON)
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*libsched.a:irq_csection.*(.bss .bss.* COMMON)
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*libsched.a:irq_dispatch.*(.bss .bss.* COMMON)
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. = ALIGN(8);
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_ebss = ABSOLUTE(.);
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} >KDRAM
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.noinit (NOLOAD):
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{
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/* This section contains data that is not initialized during load,
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* or during the application's initialization sequence.
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*/
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*(.noinit)
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*(.noinit.*)
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} >KDRAM
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.dram0.data :
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{
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/* .data initialized on power-up in ROMed configurations. */
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_sdata = ABSOLUTE(.);
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KEEP (*(.data))
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KEEP (*(.data.*))
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KEEP (*(.gnu.linkonce.d.*))
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KEEP (*(.data1))
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KEEP (*(.sdata))
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KEEP (*(.sdata.*))
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KEEP (*(.gnu.linkonce.s.*))
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KEEP (*(.sdata2))
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KEEP (*(.sdata2.*))
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KEEP (*(.gnu.linkonce.s2.*))
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KEEP (*(.jcr))
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*(.dram1 .dram1.*)
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*libphy.a:(.rodata .rodata.*)
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esp32s3_userspace.*(.rodata .rodata.*)
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*libkarch.a:esp32s3_spiflash.*(.rodata .rodata.*)
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*libkarch.a:xtensa_cpupause.*(.rodata .rodata.*)
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*libkarch.a:xtensa_copystate.*(.rodata .rodata.*)
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*libkarch.a:xtensa_interruptcontext.*(.rodata .rodata.*)
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*libkarch.a:xtensa_testset.*(.rodata .rodata.*)
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*libsched.a:sched_suspendscheduler.*(.rodata .rodata.*)
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*libsched.a:sched_thistask.*(.rodata .rodata.*)
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*libsched.a:sched_note.*(.rodata .rodata.*)
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*libsched.a:spinlock.*(.rodata .rodata.*)
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*libsched.a:irq_csection.*(.rodata .rodata.*)
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*libsched.a:irq_dispatch.*(.rodata .rodata.*)
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. = ALIGN(4);
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_edata = ABSOLUTE(.);
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/* Heap starts at the end of .data */
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_sheap = ABSOLUTE(.);
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} >KDRAM
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.flash.text :
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{
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_stext = .;
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*(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
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*(.irom0.text) /* catch stray ICACHE_RODATA_ATTR */
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*(.fini.literal)
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*(.fini)
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*(.gnu.version)
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/* CPU will try to prefetch up to 16 bytes of instructions.
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* This means that any configuration (e.g. MMU, PMS) must allow
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* safe access to up to 16 bytes after the last real instruction, add
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* dummy bytes to ensure this
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*/
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. += 16;
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_etext = .;
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} >KIROM
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.flash_rodata_dummy (NOLOAD) :
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{
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/* This dummy section represents the .flash.text section but in default_rodata_seg.
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* Thus, it must have its alignment and (at least) its size.
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*/
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/* Start at the same alignment constraint than .flash.text */
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. = ALIGN(ALIGNOF(.flash.text));
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/* Create an empty gap as big as .flash.text section */
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. = SIZEOF(.flash.text);
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/* Prepare the alignment of the section above. Few bytes (0x20) must be
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* added for the mapping header.
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*/
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. = ALIGN(0x10000) + 0x20;
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_rodata_reserved_start = .;
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} >KDROM
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.flash.rodata : ALIGN(0x10)
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{
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_srodata = ABSOLUTE(.);
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*(.rodata)
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*(.rodata.*)
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*(.irom1.text) /* catch stray ICACHE_RODATA_ATTR */
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*(.gnu.linkonce.r.*)
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*(.rodata1)
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__XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
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*(.xt_except_table)
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*(.gcc_except_table)
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*(.gcc_except_table.*)
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*(.gnu.linkonce.e.*)
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*(.gnu.version_r)
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*(.eh_frame)
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. = ALIGN(4);
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/* C++ constructor and destructor tables, properly ordered: */
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_sinit = ABSOLUTE(.);
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KEEP (*crtbegin.o(.ctors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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_einit = ABSOLUTE(.);
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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/* C++ exception handlers table: */
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__XT_EXCEPTION_DESCS_ = ABSOLUTE(.);
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*(.xt_except_desc)
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*(.gnu.linkonce.h.*)
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__XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
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*(.xt_except_desc_end)
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*(.dynamic)
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*(.gnu.version_d)
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_erodata = ABSOLUTE(.);
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/* Literals are also RO data. */
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_lit4_start = ABSOLUTE(.);
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*(*.lit4)
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*(.lit4.*)
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*(.gnu.linkonce.lit4.*)
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_lit4_end = ABSOLUTE(.);
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_rodata_reserved_end = ABSOLUTE(.);
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. = ALIGN(4);
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} >KDROM
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}
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