Decoupling Architectural-specific Code (#35)

[lunaix-os.git] / lunaix-os / arch / generic / includes / sys / hart.h

diff --git a/lunaix-os/arch/generic/includes/sys/hart.h b/lunaix-os/arch/generic/includes/sys/hart.h
new file mode 100644 (file)
index 0000000..340a0ee
--- /dev/null
+++ b/lunaix-os/arch/generic/includes/sys/hart.h
@@ -0,0 +1,54 @@
+#ifndef __LUNAIX_ARCH_HART_H
+#define __LUNAIX_ARCH_HART_H
+
+#ifndef __ASM__
+#include <lunaix/compiler.h>
+#include <sys/cpu.h>
+
+struct exec_param;
+
+struct regcontext
+{
+    
+} compact;
+
+struct hart_state
+{
+    
+} compact;
+
+struct exec_param
+{
+    struct hart_state* parent_state;
+} compact;
+
+void
+hart_flow_redirect(struct hart_state* state, ptr_t pc, ptr_t sp);
+
+ptr_t
+hart_pc(struct hart_state* state);
+
+ptr_t
+hart_sp(struct hart_state* state);
+
+bool
+kernel_context(struct hart_state* hstate);
+
+ptr_t
+hart_stack_frame(struct hart_state* hstate);
+
+int
+hart_vector_stamp(struct hart_state* hstate);
+
+unsigned int
+hart_ecause(struct hart_state* hstate);
+
+struct hart_state*
+hart_parent_state(struct hart_state* hstate);
+
+void
+hart_push_state(struct hart_state* p_hstate, struct hart_state* hstate);
+
+#endif
+
+#endif /* __LUNAIX_ARCH_HART_H */