vmm - allow remapping

[lunaix-os.git] / lunaix-os / includes / hal / cpu.h

diff --git a/lunaix-os/includes/hal/cpu.h b/lunaix-os/includes/hal/cpu.h
index 2a06f298e2b0e55c277c09b72e4726c3d3668d42..63811432ccf5e5dfda139c6cc76587168d74344a 100644 (file)
--- a/lunaix-os/includes/hal/cpu.h
+++ b/lunaix-os/includes/hal/cpu.h
@@ -1,36 +1,72 @@
 #ifndef __LUNAIX_CPU_H
 #define __LUNAIX_CPU_H
 
-typedef unsigned long reg32;
+#include <stdint.h>
+
+typedef unsigned int reg32;
 typedef unsigned short reg16;
 
 typedef struct {
+    reg32 eax;
+    reg32 ebx;
+    reg32 ecx;
+    reg32 edx;
     reg32 edi;
-    reg32 esi;
     reg32 ebp;
+    reg32 esi;
     reg32 esp;
-    reg32 ebx;
-    reg32 edx;
-    reg32 ecx;
-    reg32 eax;
+    reg32 cs;
+    reg32 eip;
 } __attribute__((packed)) registers;
 
-reg32 cpu_r_cr0();
-
-reg32 cpu_r_cr2();
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wreturn-type"
+static inline reg32 cpu_rcr0() {
+    asm volatile ("mov %cr0, %eax");
+}
 
-reg32 cpu_r_cr3();
+static inline reg32 cpu_rcr2() {
+    asm volatile ("mov %cr2, %eax");
+}
 
-void cpu_w_cr0(reg32 v);
+static inline reg32 cpu_rcr3() {
+    asm volatile ("mov %cr3, %eax");
+}
+#pragma GCC diagnostic pop
 
-void cpu_w_cr2(reg32 v);
+static inline void cpu_lcr0(reg32 v) {
+    asm volatile (
+        "mov %0, %%cr0"
+        :: "r"(v)
+    );
+}
 
-void cpu_w_cr3(reg32 v);
+static inline void cpu_lcr2(reg32 v) {
+    asm volatile (
+        "mov %0, %%cr2"
+        :: "r"(v)
+    );
+}
 
-void cpu_get_model(char* model_out);
+static inline void cpu_lcr3(reg32 v) {
+    asm volatile (
+        "mov %0, %%cr3"
+        :: "r"(v)
+    );
+}
 
-int cpu_brand_string_supported();
+static inline void cpu_invplg(void* va) {
+    __asm__("invlpg (%0)" ::"r"((uintptr_t)va) : "memory");
+}
 
-void cpu_get_brand(char* brand_out);
+static inline void cpu_invtlb() {
+    reg32 interm;
+    __asm__(
+        "movl %%cr3, %0\n"
+        "movl %0, %%cr3"
+        :"=r"(interm)
+        :"r"(interm)
+    );
+}
 
-#endif /* __LUNAIX_CPU_H */
+#endif
\ No newline at end of file