write kernel sp to tss in dispatcher

2025-11-26 06:46:19 +01:00
parent 4ffae9e1f0
commit 3808f494af
7 changed files with 21 additions and 14 deletions
--- a/kernel/arch/core_ring.cc
+++ b/kernel/arch/core_ring.cc
@@ -17,6 +17,10 @@ void switchToUsermode(void *stackpointer, void *kickoff,
    constexpr uint16_t user_ds = 4 << 3 | 3;

    asm volatile ( \
+            "mov %[user_data], %%ds \n" \
+            "mov %[user_data], %%es \n" \
+            "mov %[user_data], %%fs \n" \
+            "mov %[user_data], %%gs \n" \
            "pushq %[user_data] \n" \
            "pushq %[user_stack] \n" \
            "pushq %[user_eflags] \n" \