Created student weenix repository

1 files changed, 22 insertions, 0 deletions

diff --git a/kernel/include/main/smp.h b/kernel/include/main/smp.h
new file mode 100644
index 0000000..bf05fff
--- /dev/null
+++ b/kernel/include/main/smp.h
@@ -0,0 +1,22 @@
+#include "boot/config.h"
+#include "mm/page.h"
+#include "proc/core.h"
+
+// For any given piece of global data, there are 4 cases we must protect
+// against: (SMP.1) our core's other threads, (mutex or mask interrupts) (SMP.2)
+// our core's interrupt handlers, and (mask interrupts) (SMP.3) other cores'
+// threads, (mutex or spinlock) (SMP.4) other cores' interrupt handlers
+// (spinlock) mask interrupts + spinlock covers all 4 cases!
+
+#define GET_CSD(core, type, name) \
+    ((type *)(csd_vaddr_table[(core)] + PAGE_OFFSET(&(name))))
+
+extern uintptr_t csd_vaddr_table[];
+
+void map_in_core_specific_data(pml4_t *pml4);
+
+void smp_init();
+
+void core_init();
+
+long is_core_specific_data(void *addr);