- Implement Limine v8 boot protocol requests in dedicated PT_LOAD RW segment - Configure IOPL=3 and SSE in arch setup for Ring 3 drivers and libc - Unify scheduler context switching via switch_to and preempt_tick - Support dual-source keyboard/serial input in sys_key_read - Add automated 'make image' and 'make run' targets for instant QEMU launch - Complete interactive UNIX-like shell (osh) with built-in commands & ramdisk
62 lines
1.2 KiB
Plaintext
62 lines
1.2 KiB
Plaintext
/* opencoreC - Higher-Half x86_64 Kernel Linker Script */
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OUTPUT_FORMAT(elf64-x86-64)
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OUTPUT_ARCH(i386:x86-64)
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ENTRY(_start)
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PHDRS
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{
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text PT_LOAD FLAGS((1 << 0) | (1 << 2)); /* Execute | Read */
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rodata PT_LOAD FLAGS((1 << 2)); /* Read Only */
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data PT_LOAD FLAGS((1 << 1) | (1 << 2)); /* Write | Read */
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}
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SECTIONS
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{
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/* Higher-half virtual base: 0xffffffff80000000 (-2 GiB) */
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. = 0xffffffff80000000;
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.text : {
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*(.text .text.*)
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} :text
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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.rodata : {
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*(.rodata .rodata.*)
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} :rodata
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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/* Limine requests: must be in a WRITABLE segment so bootloader can fill responses */
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.limine_base_revision : {
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KEEP(*(.limine_base_revision))
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} :data
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.limine_requests_start : {
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KEEP(*(.limine_requests_start))
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} :data
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.limine_requests : {
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KEEP(*(.limine_requests))
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} :data
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.limine_requests_end : {
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KEEP(*(.limine_requests_end))
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} :data
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.data : {
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*(.data .data.*)
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} :data
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.bss : {
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*(.bss .bss.*)
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*(COMMON)
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} :data
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/DISCARD/ : {
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*(.eh_frame)
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*(.note .note.*)
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*(.comment)
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}
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}
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