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Vystem 0.2

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lolo859
2026-05-27 19:34:54 +02:00
parent a43c08b893
commit d238606b75
372 changed files with 51320 additions and 83217 deletions
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47
shelter/lib/include/cpu/asm.h
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@@ -3,14 +3,17 @@
#define SH_LIB_ASM_H
#include "std/type.h"
#include "std/status.h"
#include "irq/gdt.h"
#include "irq/tss.h"
#include "irq/idt.h"
// inb instruction wrapper
static inline sh_uint8 sh_asm_inb(sh_uint16 port) {
inline sh_uint8 sh_asm_inb(sh_uint16 port) {
sh_uint8 val;
__asm__ volatile ("inb %1, %0":"=a"(val):"Nd"(port));
return val;
}
// outb instruction wrapper
static inline void sh_asm_outb(sh_uint16 port,sh_uint8 val) {
inline void sh_asm_outb(sh_uint16 port,sh_uint8 val) {
__asm__ volatile ("outb %0, %1"::"a"(val),"Nd"(port));
}
// rdtsc instruction wrapper
@@ -23,4 +26,44 @@ static inline sh_uint64 sh_asm_rdtsc() {
static inline void sh_asm_invlpg(void *addr) {
__asm__ volatile ("invlpg (%0)"::"r"(addr):"memory");
}
// lgdt instruction wrapper
static inline void sh_asm_lgdt(sh_gdt_GDTR gdtr) {
__asm__ volatile ("lgdt %0"::"m"(gdtr):"memory");
}
// ltr instruction wrapper
static inline void sh_asm_ltr(sh_uint16 tss_selector) {
__asm__ volatile ("ltr %0"::"r"(tss_selector):"memory");
}
// lidt instruction wrapper
static inline void sh_asm_lidt(sh_idt_IDTR idtr) {
__asm__ volatile ("lidt %0"::"m"(idtr):"memory");
}
// sidt instruction wrapper
static inline void sh_asm_sidt(sh_idt_IDTR* idtr) {
__asm__ volatile ("sidt %0":"=m"(*idtr)::"memory");
}
// sti instruction wrapper
static inline void sh_asm_sti() {
__asm__ volatile ("sti");
}
// cli instruction wrapper
static inline void sh_asm_cli() {
__asm__ volatile ("cli");
}
// cpuid instruction wrapper
static inline void sh_asm_cpuid(sh_uint32 leaf,sh_uint32 subleaf,sh_uint32 *eax,sh_uint32 *ebx,sh_uint32 *ecx,sh_uint32 *edx){
__asm__ volatile ("cpuid":"=a"(*eax),"=b"(*ebx),"=c"(*ecx),"=d"(*edx):"a"(leaf),"c"(subleaf));
}
// mfence instruction wrapper
inline void sh_asm_mfence() {
__asm__ volatile("mfence":::"memory");
}
// lfence instruction wrapper
inline void sh_asm_lfence() {
__asm__ volatile("lfence":::"memory");
}
// sfence instruction wrapper
inline void sh_asm_sfence() {
__asm__ volatile("sfence":::"memory");
}
#endif