Misc changes

[tpg/acess2.git] / Kernel / arch / x86 / include / arch.h

diff --git a/Kernel/arch/x86/include/arch.h b/Kernel/arch/x86/include/arch.h
index c4b3a2e..8d8a14a 100644 (file)
--- a/Kernel/arch/x86/include/arch.h
+++ b/Kernel/arch/x86/include/arch.h
@@ -10,6 +10,8 @@
 #define        KERNEL_BASE     0xC0000000
 #define BITS   32
 
+#define INVLPTR        ((void*)-1)
+
 // Allow nested spinlocks?
 #define STACKED_LOCKS  2       // 0: No, 1: Per-CPU, 2: Per-Thread
 #define LOCK_DISABLE_INTS      1
@@ -54,7 +56,7 @@ struct sShortSpinlock {
 
 // === MACROS ===
 /**
- * \brief Halt the CPU
+ * \brief Halt the CPU (shorter version of yield)
  */
 #define        HALT()  __asm__ __volatile__ ("hlt")
 /**
@@ -80,12 +82,12 @@ typedef Uint64      tPAddr;
 typedef Uint32 tVAddr;
 
 typedef struct {
-       Uint    gs, fs, es, ds;
-       Uint    edi, esi, ebp, kesp;
-       Uint    ebx, edx, ecx, eax;
-       Uint    int_num, err_code;
-       Uint    eip, cs;
-       Uint    eflags, esp, ss;
+       Uint32  gs, fs, es, ds;
+       Uint32  edi, esi, ebp, kesp;
+       Uint32  ebx, edx, ecx, eax;
+       Uint32  int_num, err_code;
+       Uint32  eip, cs;
+       Uint32  eflags, esp, ss;
 } tRegs;
 
 typedef struct {