userspace finally working

1 files changed, 8 insertions, 1 deletions

diff --git a/kernel/src/cpu/tss.c b/kernel/src/cpu/tss.c
index c7f9dc2..843c114 100644
--- a/kernel/src/cpu/tss.c
+++ b/kernel/src/cpu/tss.c
@@ -1,15 +1,22 @@
 #include <tss.h>
+#include <heap.h>
+#include <libk/stdio.h>
 
 tss_type tss;
 
 void load_tss()
 {
-	__asm__ volatile ("mov $0x28, %ax; ltr %ax;");
+	__asm__ volatile ("push %rax; mov $0x28, %ax; ltr %ax; pop %rax;");
 }
 
 void init_tss()
 {
 	tss.iopb = sizeof(tss_type);
+	uint64_t stack = (uint64_t)kalloc(4096*4);
+	stack = (uint64_t)kalloc(4096*4) + 8;
+	tss.rsp0_low = (uint32_t)stack;
+	tss.rsp0_high = (uint32_t)(stack >> 32);
 
 	load_tss();
+	printf("rsp0 addr in tss: 0x%x\n", stack);
 }