Vystem 0.2

shelter/lib/include/irq/tss.h

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: MPL-2.0
+#ifndef SH_LIB_TSS_H
+#define SH_LIB_TSS_H
+#include "std/status.h"
+#include "std/type.h"
+#include "std/malloc.h"
+#include "std/mem.h"
+// TSS structure
+#pragma pack(1)
+typedef struct {
+  sh_uint32 reserved0;
+  sh_uint64 rsp0;
+  sh_uint64 rsp1;
+  sh_uint64 rsp2;
+  sh_uint64 reserved1;
+  sh_uint64 ist1;
+  sh_uint64 ist2;
+  sh_uint64 ist3;
+  sh_uint64 ist4;
+  sh_uint64 ist5;
+  sh_uint64 ist6;
+  sh_uint64 ist7;
+  sh_uint64 reserved2;
+  sh_uint16 reserved3;
+  sh_uint16 iomap_base;
+} sh_tss_TSS;
+#pragma pack()
+// TR structure
+#pragma pack(1)
+typedef struct {
+  sh_uint16 limit;
+  sh_uint64 base;
+} sh_tss_TR;
+#pragma pack()
+// Fill TSS structure for any CPU core and allocate stacks
+SH_STATUS sh_tss_fill_tss(sh_tss_TSS *tss);
+// Fill and load TR
+SH_STATUS sh_tss_load_tr(sh_tss_TSS *tss);
+#endif