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fixed tss entries

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vanten-s 2024-08-13 15:25:39 +02:00
parent 6928f36f66
commit 0d81f79a96
Signed by: vanten-s
GPG key ID: DE3060396884D3F2
1 changed files with 1 additions and 31 deletions
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32
arch/i686/gdt.c
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@ -1,4 +1,5 @@
#include <kernel/tty.h>
#include <kernel/gdt.h>
#include <debugging.h>
#include <stdint.h>
#include <stddef.h>
@ -17,37 +18,6 @@ struct GDT {
uint64_t* base;
} __attribute__((packed));
struct tss_entry_struct {
uint32_t prev_tss; // The previous TSS - with hardware task switching these form a kind of backward linked list.
uint32_t esp0; // The stack pointer to load when changing to kernel mode.
uint32_t ss0; // The stack segment to load when changing to kernel mode.
// Everything below here is unused.
uint32_t esp1; // esp and ss 1 and 2 would be used when switching to rings 1 or 2.
uint32_t ss1;
uint32_t esp2;
uint32_t ss2;
uint32_t cr3;
uint32_t eip;
uint32_t eflags;
uint32_t eax;
uint32_t ecx;
uint32_t edx;
uint32_t ebx;
uint32_t esp;
uint32_t ebp;
uint32_t esi;
uint32_t edi;
uint32_t es;
uint32_t cs;
uint32_t ss;
uint32_t ds;
uint32_t fs;
uint32_t gs;
uint32_t ldt;
uint16_t trap;
uint16_t iomap_base;
} __attribute__((packed));
struct tss_entry_struct tss;
static uint64_t entries[NUM_ENTRIES];