stuff

2026-07-15 22:09:13 +02:00
commit cf33867e68
152 changed files with 9663 additions and 0 deletions
@@ -0,0 +1,31 @@
+#include <zinnia/archctl.h>
+#include <zinnia/status.h>
+#include <common/compiler.h>
+#include <kernel/init.h>
+#include <kernel/percpu.h>
+#include <x86_64/apic.h>
+#include <x86_64/asm.h>
+#include <x86_64/defs.h>
+#include <x86_64/gdt.h>
+
+[[__init, __naked, __used]]
+void _start() {
+    asm volatile(
+        "lea rsp, [rip + %0]\n"
+        "jmp %1"
+        :
+        : "i"(__ld_stack_top), "r"(kernel_entry)
+    );
+}
+
+void arch_panic() {}
+
+zn_status_t arch_archctl(zn_archctl_t op, uintptr_t arg) {
+    switch (op) {
+    case ZN_ARCHCTL_SET_FSBASE:
+        asm_wrmsr(MSR_FS_BASE, arg);
+        return 0;
+    default:
+        return ZN_ERR_INVALID;
+    }
+}