From 1b09896afcf562d199d4df8d671601bba2b1f081 Mon Sep 17 00:00:00 2001 From: Freya Murphy Date: Sun, 4 Feb 2024 14:19:54 -0500 Subject: refactor arch --- src/arch/x86_common/include/bindings.h | 53 ++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 src/arch/x86_common/include/bindings.h (limited to 'src/arch/x86_common/include/bindings.h') diff --git a/src/arch/x86_common/include/bindings.h b/src/arch/x86_common/include/bindings.h new file mode 100644 index 0000000..9406774 --- /dev/null +++ b/src/arch/x86_common/include/bindings.h @@ -0,0 +1,53 @@ +#pragma once + +#include + +static inline uint8_t inb(uint16_t port) { + uint8_t ret; + __asm__ volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port)); + return ret; +} + +static inline void outb(uint16_t port, uint8_t val) { + __asm__ volatile ("outb %0, %1" : : "a"(val), "Nd"(port)); +} + +static inline uint16_t inw(uint16_t port) { + uint16_t ret; + __asm__ volatile ("inw %1, %0" : "=a"(ret) : "Nd"(port)); + return ret; +} + +static inline void outw(uint16_t port, uint16_t val) { + __asm__ volatile ("outw %0, %1" : : "a"(val), "Nd"(port)); +} + +static inline uint32_t inl(uint16_t port) { + uint32_t ret; + __asm__ volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port)); + return ret; +} + +static inline void outl(uint16_t port, uint32_t val) { + __asm__ volatile ("outl %0, %1" : : "a"(val), "Nd"(port)); +} + +static inline void io_wait(void) { + outb(0x80, 0); +} + +static inline void sti(void) { + __asm__ volatile ("sti"); +} + +static inline void cli(void) { + __asm__ volatile ("cli"); +} + +static inline void int_wait(void) { + __asm__ volatile ("sti; hlt"); +} + +static inline void halt(void) { + __asm__ volatile ("cli; hlt"); +} -- cgit v1.2.3-freya