a8e919b033
+ acpi: add acpi support + lapic: add lapic support + ioapic: add ioapic support + arch/x86_64: add support for "syscall"/"sysret"
17 lines
No EOL
443 B
C
Executable file
17 lines
No EOL
443 B
C
Executable file
// Copyright (C) 2024 Sipaa Projects
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// This code is part of the Soaplin kernel and is licensed under the terms of
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// the MIT License.
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#include <stdint.h>
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uint8_t inb(uint16_t port) {
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uint8_t ret;
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__asm__ volatile("inb %w1, %b0" : "=a"(ret) : "Nd"(port) : "memory");
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return ret;
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}
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void outb(uint16_t port, uint8_t val) {
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__asm__ volatile("outb %b0, %w1" : : "a"(val), "Nd"(port) : "memory");
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}
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void io_wait(void) { outb(0x80, 0); } |