From 15f3911599a8d005edee46247470afe2a7a0b4aa Mon Sep 17 00:00:00 2001 From: Aleksa Vuckovic Date: Mon, 27 Feb 2023 01:59:33 +0100 Subject: almost done multitasking --- kernel/src/cpu/tss.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'kernel/src/cpu/tss.c') 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(); } -- cgit v1.2.3