74 lines
2.3 KiB
Plaintext
74 lines
2.3 KiB
Plaintext
/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Linker command/script file
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*
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* This is the linker script for both standard images and XIP images.
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*/
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#include <autoconf.h>
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#include <generated_dts_board.h>
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/* physical address of RAM (needed for correct __ram_phys_end symbol) */
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#define PHYS_RAM_ADDR DT_PHYS_RAM_ADDR
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/* physical address where the kernel is loaded */
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#ifdef CONFIG_XIP
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#define PHYS_LOAD_ADDR DT_PHYS_LOAD_ADDR
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#else /* !CONFIG_XIP */
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#define PHYS_LOAD_ADDR DT_PHYS_RAM_ADDR
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#endif /* CONFIG_XIP */
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/* total shared RAM size (restore info + gdt) */
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#define BSP_SHARED_RAM_SIZE \
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(CONFIG_SHARED_GDT_RAM_SIZE+CONFIG_BSP_SHARED_RESTORE_INFO_SIZE)
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/*
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* When DEEP_SLEEP is not enabled, the shared memory can be re-used after boot.
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* Since the memory regions area are at fixed address locations, only the
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* contiguous unused memory located at the end of RAM should be made available.
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*/
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#ifdef CONFIG_SYS_POWER_DEEP_SLEEP_STATES
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#define PHYS_RAM_SIZE DT_RAM_SIZE*1K - BSP_SHARED_RAM_SIZE
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#else
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#ifdef CONFIG_SET_GDT
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#define PHYS_RAM_SIZE DT_RAM_SIZE*1K
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#else
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#define PHYS_RAM_SIZE DT_RAM_SIZE*1K - CONFIG_SHARED_GDT_RAM_SIZE
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#endif
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#endif
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MEMORY
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{
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#ifdef CONFIG_XIP
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ROM (rx) : ORIGIN = PHYS_LOAD_ADDR, LENGTH = DT_ROM_SIZE*1K
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RAM (wx) : ORIGIN = PHYS_RAM_ADDR, LENGTH = PHYS_RAM_SIZE
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#else /* !CONFIG_XIP */
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RAM (wx) : ORIGIN = PHYS_LOAD_ADDR, LENGTH = PHYS_RAM_SIZE
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#endif /* CONFIG_XIP */
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#ifdef CONFIG_SYS_POWER_DEEP_SLEEP_STATES
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BSP_SHARED_RAM (rw) : ORIGIN = CONFIG_BSP_SHARED_RESTORE_INFO_RAM_ADDR,
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LENGTH = CONFIG_BSP_SHARED_RESTORE_INFO_SIZE
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#endif /* CONFIG_SYS_POWER_DEEP_SLEEP_STATES */
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#ifndef CONFIG_SET_GDT
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SHARED_GDT_RAM (rw) : ORIGIN = CONFIG_SHARED_GDT_RAM_ADDR,
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LENGTH = CONFIG_SHARED_GDT_RAM_SIZE
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#endif /* !CONFIG_SET_GDT */
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/*
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* It doesn't matter where this region goes as it is stripped from the
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* final ELF image. The address doesn't even have to be valid on the
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* target. However, it shouldn't overlap any other regions.
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*/
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IDT_LIST : ORIGIN = 2K, LENGTH = 2K
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MMU_LIST : ORIGIN = 4k, LENGTH = 1K
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}
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#include <arch/x86/linker.ld>
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