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Use IDTE from libkernaux

This commit is contained in:
Alex Kotov 2022-11-28 01:03:21 +04:00
parent b6e0952aa3
commit af576c473d
Signed by: kotovalexarian
GPG Key ID: 553C0EBBEB5D5F08
1 changed files with 8 additions and 16 deletions
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24
src/protected.c
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@ -23,19 +23,11 @@ struct IdtPointer {
}
__attribute__((packed));
struct IdtEntry {
unsigned short base_lo;
unsigned short sel;
unsigned char always0;
unsigned char flags;
unsigned short base_hi;
};
static struct GdtPointer gdt_pointer;
static struct IdtPointer idt_pointer;
static struct KernAux_Arch_I386_DTE gdt_entries[GDT_SIZE];
static struct IdtEntry idt_entries[IDT_SIZE];
static struct KernAux_Arch_I386_DTE gdt_entries[GDT_SIZE];
static struct KernAux_Arch_I386_IDTE idt_entries[IDT_SIZE];
static struct KernAux_Arch_I386_TSS tss;
@ -70,7 +62,7 @@ void protected_initialize(const struct Kernel_Info *const kinfo)
);
kernaux_drivers_console_print("[INFO] protected: Load IDT.\n");
idt_pointer.limit = sizeof(struct IdtEntry) * IDT_SIZE - 1;
idt_pointer.limit = sizeof(struct KernAux_Arch_I386_IDTE) * IDT_SIZE - 1;
idt_pointer.base = (unsigned int)&idt_entries;
kernaux_asm_i386_flush_idt((uint32_t)&idt_pointer);
@ -247,9 +239,9 @@ void idt_set_gates()
void idt_set_gate(unsigned char num, unsigned int base, unsigned short sel, unsigned char flags)
{
idt_entries[num].base_lo = base & 0xFFFF;
idt_entries[num].base_hi = (base >> 16) & 0xFFFF;
idt_entries[num].sel = sel;
idt_entries[num].always0 = 0;
idt_entries[num].flags = flags;
idt_entries[num].offset_low = base & 0xFFFF;
idt_entries[num].offset_high = (base >> 16) & 0xFFFF;
idt_entries[num].selector = sel;
idt_entries[num]._zero0 = 0;
idt_entries[num].flags = flags;
}