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subhobhai943
70d5925b16
- Implement AArch64 HAL, vector table (16 aligned vectors), GICv2, Generic Timer, Stage-1 MMU (39-bit VA), PL011 UART - Build unified multi-architecture abstraction layer in include/arch/arch.h - Create interactive Linux-like Kconfig TUI menuconfig in scripts/kconfig/menuconfig.py - Support make menuconfig, defconfig, x86_64_defconfig, aarch64_defconfig - Update master Makefile for cross-compiling x86_64 (x86_64-elf-) and AArch64 (aarch64-linux-gnu-) - Dynamic architecture awareness across printk, uname, neofetch, and LazyBox
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
#ifndef _ARCH_ARCH_H
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#define _ARCH_ARCH_H
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#include <stdint.h>
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#include <stdbool.h>
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#if defined(__x86_64__)
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#define ARCH_NAME "x86_64"
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#define ARCH_IS_64BIT 1
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#include <arch/x86_64/gdt.h>
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#include <arch/x86_64/idt.h>
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#include <arch/x86_64/isr.h>
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#include <arch/x86_64/pic.h>
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#include <arch/x86_64/pit.h>
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#include <arch/x86_64/cpuid.h>
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#include <arch/x86_64/paging.h>
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#include <arch/x86_64/io.h>
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static inline void arch_enable_interrupts(void) {
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__asm__ volatile("sti");
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}
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static inline void arch_disable_interrupts(void) {
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__asm__ volatile("cli");
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}
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static inline void arch_halt(void) {
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__asm__ volatile("hlt");
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}
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static inline void arch_wait_for_interrupt(void) {
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__asm__ volatile("sti; hlt");
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}
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static inline uint64_t arch_get_ticks(void) {
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return pit_get_ticks();
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}
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static inline void arch_sleep(uint32_t ms) {
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pit_sleep(ms);
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}
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#elif defined(__aarch64__) || defined(__arm64__)
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#define ARCH_NAME "aarch64"
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#define ARCH_IS_64BIT 1
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#include <arch/aarch64/arch.h>
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#include <arch/aarch64/cpu.h>
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#include <arch/aarch64/gic.h>
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#include <arch/aarch64/timer.h>
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#include <arch/aarch64/mmu.h>
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#include <arch/aarch64/uart.h>
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#include <arch/aarch64/io.h>
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static inline void arch_enable_interrupts(void) {
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__asm__ volatile("msr daifclr, #2" ::: "memory");
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}
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static inline void arch_disable_interrupts(void) {
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__asm__ volatile("msr daifset, #2" ::: "memory");
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}
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static inline void arch_halt(void) {
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__asm__ volatile("wfi");
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}
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static inline void arch_wait_for_interrupt(void) {
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__asm__ volatile("msr daifclr, #2; wfi" ::: "memory");
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}
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static inline uint64_t arch_get_ticks(void) {
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return aarch64_timer_get_ticks();
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}
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static inline void arch_sleep(uint32_t ms) {
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uint64_t count = (ms > 10) ? (ms / 10) : 1;
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uint64_t target = aarch64_timer_get_ticks() + count;
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while (aarch64_timer_get_ticks() < target) {
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__asm__ volatile("wfi");
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}
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}
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// Prototype declarations for timer/interrupt compatibility
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uint64_t pit_get_ticks(void);
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void pit_sleep(uint32_t ms);
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#else
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#error "Unsupported Target CPU Architecture!"
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#endif
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// Generic Architecture API
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void arch_early_init(void);
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void arch_init(void);
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const char* arch_get_name(void);
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uint32_t arch_get_cpu_id(void);
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#endif // _ARCH_ARCH_H
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