X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Finclude%2Farch.h;h=92ccf056bfe5e4068e53484688c6e4dbd91f29f7;hb=243bdab4e7acc8516d9b1c138f45dc1195f97767;hp=9c16b182adf658276c476e45a11815f0a926959b;hpb=8bc40333b1401d7616b225945fee53d972c2f418;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86/include/arch.h b/Kernel/arch/x86/include/arch.h
index 9c16b182..92ccf056 100644
--- a/Kernel/arch/x86/include/arch.h
+++ b/Kernel/arch/x86/include/arch.h
@@ -9,7 +9,7 @@
 // - Memory Layout
 #define	MM_USER_MIN	0x00200000
 #define	USER_STACK_SZ	0x00010000
-#define	USER_STACK_TOP	0x00200000
+#define	USER_STACK_TOP	0x00800000
 #define	MM_USER_MAX	0xBC000000
 #define	MM_PPD_MIN	0xBC000000	// Per-Process Data
 #define	MM_PPD_VFS	0xBC000000	// 
@@ -38,10 +38,24 @@
 # error "Unknown architecture '" #ARCH "'"
 #endif
 
+#if USE_MP
+# define	MAX_CPUS	8
+#else
+# define	MAX_CPUS	1
+#endif
+
+#if USE_PAE
+# define	PHYS_BITS	48
+#else
+# define	PHYS_BITS	32
+#endif
+
 // === MACROS ===
+typedef volatile int	tSpinlock;
 #define LOCK(lockptr)	do {int v=1;\
 	while(v)__asm__ __volatile__("lock xchgl %%eax, (%%edi)":"=a"(v):"a"(1),"D"(lockptr));}while(0)
 #define	RELEASE(lockptr)	__asm__ __volatile__("lock andl $0, (%%edi)"::"D"(lockptr));
+#define	HALT()	__asm__ __volatile__ ("hlt")
 
 // === TYPES ===
 typedef unsigned int	Uint;	// Unsigned machine native integer
@@ -109,6 +123,18 @@ typedef struct {
 	Uint8	BaseHi;
 } __attribute__ ((packed)) tGDT;
 
+typedef struct {
+	#if USE_PAE
+	Uint	PDPT[4];
+	#else
+	Uint	CR3;
+	#endif
+} tMemoryState;
+
+typedef struct {
+	Uint	EIP, ESP, EBP;
+} tTaskState;
+
 // --- Interface Flags & Macros
 #define CLONE_VM	0x10