111 lines
2.0 KiB
C
111 lines
2.0 KiB
C
#ifndef _KERNEL_PLATFORM_ARM64_SYSTEM_H
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#define _KERNEL_PLATFORM_ARM64_SYSTEM_H
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#include <libkern/c_attrs.h>
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#include <libkern/types.h>
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#include <platform/generic/registers.h>
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/**
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* INTS
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*/
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void system_disable_interrupts();
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void system_enable_interrupts();
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void system_enable_interrupts_only_counter();
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inline static void system_instruction_barrier()
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{
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asm volatile("isb");
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}
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inline static void system_data_synchronise_barrier()
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{
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asm volatile("dsb sy");
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}
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inline static void system_data_memory_barrier()
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{
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asm volatile("dmb sy");
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}
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inline static void system_disable_interrupts_no_counter()
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{
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asm volatile("msr daifset, #0xf");
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system_instruction_barrier();
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}
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inline static void system_enable_interrupts_no_counter()
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{
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asm volatile("msr daifclr, #0xf");
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system_instruction_barrier();
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}
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/**
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* PAGING
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*/
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extern void system_set_pdir(uintptr_t pdir0, uintptr_t pdir1);
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inline static void system_flush_local_tlb_entry(uintptr_t vaddr)
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{
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asm volatile("isb");
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asm volatile("tlbi vmalle1\n");
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asm volatile("dsb sy");
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}
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inline static void system_flush_all_cpus_tlb_entry(uintptr_t vaddr)
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{
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asm volatile("isb");
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asm volatile("tlbi vmalle1\n");
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asm volatile("dsb sy");
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}
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inline static void system_flush_whole_tlb()
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{
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asm volatile("isb");
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asm volatile("tlbi vmalle1\n");
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asm volatile("dsb sy");
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}
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inline static void system_enable_write_protect()
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{
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}
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inline static void system_disable_write_protect()
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{
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}
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inline static void system_enable_paging()
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{
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}
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inline static void system_disable_paging()
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{
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}
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inline static void system_stop_until_interrupt()
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{
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asm volatile("wfi");
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}
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NORETURN inline static void system_stop()
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{
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system_disable_interrupts();
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system_stop_until_interrupt();
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while (1) { }
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}
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void system_cache_invalidate(void* addr, size_t size);
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void system_cache_clean_and_invalidate(void* addr, size_t size);
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void system_cache_clean(void* addr, size_t size);
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/**
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* CPU
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*/
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inline static int system_cpu_id()
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{
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return 0;
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}
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#endif /* _KERNEL_PLATFORM_ARM64_SYSTEM_H */ |