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kernel: ldt support

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Matheus
2026-03-20 21:23:59 -03:00
parent a73c82f912
commit 41f97c6c61
17 changed files with 315 additions and 94 deletions
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kernel-src/arch/x86-64/mmu.c
+10
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@@ -349,6 +349,16 @@ static void pfisr(isr_t *self, context_t *ctx) {
}
static void gpfisr(isr_t *self, context_t *ctx) {
if (ctx->rip >= (uintptr_t)load_seg_gs && ctx->rip <= (uintptr_t)load_seg_gs_fallback) {
ctx->rip = (uintptr_t)load_seg_gs_fallback;
return;
}
if (ctx->rip >= (uintptr_t)load_seg_fs && ctx->rip <= (uintptr_t)load_seg_fs_fallback) {
ctx->rip = (uintptr_t)load_seg_fs_fallback;
return;
}
thread_t *thread = current_thread();
if (thread && thread->usercopyctx) {
memcpy(ctx, thread->usercopyctx, sizeof(context_t));