mirror of
https://github.com/subhobhai943/SUB-OS.git
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subhobhai943
7b646c8cc4
- Support ARMv8i / ARM32 (AArch32) baremetal target with arm-linux-gnueabihf toolchain - Implement ARMv8i boot entry point, banked exception mode stacks (IRQ, ABT, UND, SVC) - Implement 8 exception vectors, GICv2 distributor/CPU interface, CP15 Generic Timer (100 Hz), flat Section MMU - Support PL011 UART for early console & interactive LazyBox TTY input - Update Makefile with make armv8i_defconfig and automated cross-compilation - Update scripts/kconfig/menuconfig.py with dedicated armv8i options
52 lines
904 B
Plaintext
52 lines
904 B
Plaintext
OUTPUT_FORMAT("elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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. = 0x40080000;
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__kernel_start = .;
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.text.boot : {
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KEEP(*(.text.boot))
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}
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.vectors : ALIGN(2048) {
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KEEP(*(.vectors))
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}
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.text : ALIGN(4096) {
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*(.text .text.*)
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}
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.rodata : ALIGN(4096) {
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*(.rodata .rodata.*)
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}
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.data : ALIGN(4096) {
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*(.data .data.*)
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}
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.bss : ALIGN(4096) {
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__bss_start = .;
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*(.bss .bss.*)
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*(COMMON)
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. = ALIGN(4096);
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__bss_end = .;
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}
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.stack : ALIGN(4096) {
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. += 0x4000; /* 16 KB IRQ Stack */
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irq_stack_top = .;
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. += 0x2000; /* 8 KB ABT Stack */
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abt_stack_top = .;
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. += 0x2000; /* 8 KB UND Stack */
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und_stack_top = .;
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. += 0x10000; /* 64 KB SVC Kernel Stack */
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stack_top = .;
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}
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__kernel_end = .;
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}
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