mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-22 17:55:57 +01:00
Factor out --optimization-level and --static to all builds More conventionally set argv[0] to be the basename of the image. Fix https://github.com/cirosantilli/linux-kernel-module-cheat/issues/90
38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
/* https://cirosantilli.com/linux-kernel-module-cheat#baremetal-linker-script */
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ENTRY(_start)
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SECTIONS
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{
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.text : {
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*/bootloader.o(.text)
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*(.text)
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*(.rodata)
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*(.data)
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*(COMMON)
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}
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/* gem5 uses the bss as a measure of the kernel size.
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* b7887ac06bd7fc8011fbf595b1d50ea67960d28c required __bss_start__
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* when doing ./build-dhrystone --arch aarch64 --mode baremetal
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*/
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__bss_start__ = .;
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.bss : { *(.bss) }
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__bss_end__ = .;
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/* Fix the addresses of everything that comes after, no matter
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* the exact size of the code present in .text. This allows us to
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* place CLI arguments in memory at a known location! */
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/* TODO would be better like this with --section-start=.lkmc_memory= on CLI,
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* so that Python controls this value, but I can't that fucking working.
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* baremetal_max_size from the Python must match this offset for now.
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*/
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/*. = SEGMENT_START(.lkmc_memory, .);*/
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. = ADDR(.text) + 0x1000000;
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lkmc_heap_low = .;
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. = . + 0x1000000;
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lkmc_heap_top = .;
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. = . + 0x1000000;
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lkmc_stack_top = .;
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lkmc_argc = .;
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. = . + 0x4;
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lkmc_argv = .;
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}
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