almost done multitasking

1 files changed, 7 insertions, 1 deletions

diff --git a/kernel/src/cpu/tss.c b/kernel/src/cpu/tss.c
index cdfe2cc..f80f8db 100644
--- a/kernel/src/cpu/tss.c
+++ b/kernel/src/cpu/tss.c
@@ -14,10 +14,16 @@ void init_tss()
 {
 	memset(&tss, 0, sizeof(tss_type));
 	tss.iopb = sizeof(tss_type);
-	uint32_t stack_size = 4096 * 4;
+	uint32_t stack_size = 1024 * 16;
 	uint64_t stack = (uint64_t)kalloc(stack_size) + stack_size - 8;
 	tss.rsp0_low = (uint32_t)stack;
 	tss.rsp0_high = (uint32_t)(stack >> 32);
 
+	uint32_t ist_stack_size = 1024 * 32;
+	uint64_t ist_stack =
+		(uint64_t)kalloc(ist_stack_size) + ist_stack_size - 8;
+	tss.ist1_low = (uint32_t)ist_stack;
+	tss.ist1_high = (uint32_t)(ist_stack >> 32);
+
 	load_tss();
 }