X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..b0d623f7f2ae71ed96e60569f61f9a9a27016e80:/osfmk/i386/postcode.h

diff --git a/osfmk/i386/postcode.h b/osfmk/i386/postcode.h
index d0065f7a6..498a88143 100644
--- a/osfmk/i386/postcode.h
+++ b/osfmk/i386/postcode.h
@@ -1,39 +1,41 @@
 /*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2008 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef	_I386_POSTCODE_H_
 #define	_I386_POSTCODE_H_
 
-#ifndef DEBUG
-#include <debug.h>
-#endif
-
 /* Define this to delay about 1 sec after posting each code */
-/* #define POSTCODE_DELAY 1 */
+//#define POSTCODE_DELAY 1
 
 /* The POSTCODE is port 0x80 */
 #define	POSTPORT 0x80
 
-#define	SPINCOUNT	100000000
+#define	SPINCOUNT	300000000
 #define CPU_PAUSE()	rep; nop
 
 #if DEBUG
@@ -49,15 +51,28 @@
 	CPU_PAUSE();			\
 	decl	%eax;			\
 	jne	1b
+#define POSTCODE_AX			\
+        outw    %ax,$(POSTPORT);	\
+	movl	$(SPINCOUNT), %eax;	\
+1:					\
+	CPU_PAUSE();			\
+	decl	%eax;			\
+	jne	1b
 #else
 #define POSTCODE_AL			\
         outb    %al,$(POSTPORT)
+#define POSTCODE_AX			\
+        outw    %ax,$(POSTPORT)
 #endif /* POSTCODE_DELAY */
 
 #define POSTCODE(XX)			\
 	mov	$(XX), %al;		\
 	POSTCODE_AL
 
+#define POSTCODE2(XXXX)			\
+	mov	$(XXXX), %ax;		\
+	POSTCODE_AX
+
 /* Output byte value to postcode, without destoying register eax */ 
 #define	POSTCODE_SAVE_EAX(XX)		\
 	push	%eax;			\
@@ -88,7 +103,10 @@
 
 #else	/* DEBUG */
 #define POSTCODE_AL
+#define POSTCODE_AX
 #define POSTCODE(X)
+#define POSTCODE2(X)
+#define POSTCODE_SAVE_EAX(X)
 #define POSTCODE32_EBX
 #endif	/* DEBUG */
 
@@ -96,37 +114,57 @@
  * The following postcodes are defined for stages of early startup:
  */
 
-#define	PSTART_ENTRY		0xFF
-#define PSTART_PAGE_TABLES	0xFE
-#define PSTART_BEFORE_PAGING	0xFD
-#define VSTART_ENTRY		0xFC
-#define VSTART_STACK_SWITCH	0xFB
-#define VSTART_EXIT		0xFA
-#define	I386_INIT_ENTRY		0xF9
-#define	CPU_INIT_D		0xF8
-#define	PROCESSOR_BOOTSTRAP_D	0xF7
-#define	PE_INIT_PLATFORM_D	0xF6
-#define	THREAD_BOOTSTRAP_D	0xF5
-
-#define	SLAVE_PSTART_ENTRY	0xEF
-#define	REAL_TO_PROT_ENTRY	0xEE
-#define	REAL_TO_PROT_EXIT	0xED
-#define	STARTPROG_ENTRY		0xEC
-#define	STARTPROG_EXIT		0xEB
-#define	SLAVE_START_ENTRY	0xEA
-#define	SLAVE_START_EXIT	0xE9
-#define	SVSTART_ENTRY		0xE8
-#define	SVSTART_DESC_INIT	0xE7
-#define	SVSTART_STACK_SWITCH	0xE6
-#define	SVSTART_EXIT		0xE5
-#define	I386_INIT_SLAVE		0xE4
-
-#define	MP_KDP_ENTER		0xDB		/* Machine in kdp DeBugger */
-#define	PANIC_HLT		0xD1		/* Die an early death */ 
-
-#define ACPI_WAKE_START_ENTRY	0xCF
-#define ACPI_WAKE_PROT_ENTRY	0xCE
-#define ACPI_WAKE_PAGED_ENTRY	0xCD
+#define	_PSTART_ENTRY			0xFF
+#define	_PSTART_RELOC			0xFE
+#define	PSTART_ENTRY			0xFD
+#define PSTART_PAGE_TABLES		0xFC
+#if defined(__x86_64__)
+#define PSTART_BEFORE_ID_MAP		0xFB
+#else
+#define PSTART_BEFORE_PAGING		0xFB
+#endif
+#define VSTART_ENTRY			0xFA
+#define VSTART_STACK_SWITCH		0xF9
+#define VSTART_BEFORE_PAGING		0xF8
+#define VSTART_EXIT			0xF7
+#define	I386_INIT_ENTRY			0xF6
+#define	CPU_INIT_D			0xF5
+#define	PE_INIT_PLATFORM_D		0xF4
+
+#define	SLAVE_RSTART_ENTRY		0xEF
+#define	SLAVE_REAL_TO_PROT_ENTRY	0xEE
+#define	SLAVE_REAL_TO_PROT_EXIT		0xED
+#define	SLAVE_STARTPROG_ENTRY		0xEC
+#define	SLAVE_STARTPROG_EXIT		0xEB
+#define	SLAVE_PSTART_ENTRY		0xEA
+#define	SLAVE_PSTART_EXIT		0xE9
+#if defined(__i386__)
+#define	SLAVE_VSTART_ENTRY		0xE8
+#define	SLAVE_VSTART_DESC_INIT		0xE7
+#define	SLAVE_VSTART_STACK_SWITCH	0xE6
+#define	SLAVE_VSTART_EXIT		0xE5
+#endif
+#define	I386_INIT_SLAVE			0xE4
+
+#define	PANIC_DOUBLE_FAULT		0xDF	/* Double Fault exception */
+#define	PANIC_MACHINE_CHECK		0xDE	/* Machine-Check */
+#define	MP_KDP_ENTER			0xDB	/* Machine in kdp DeBugger */
+#define	PANIC_HLT			0xD1	/* Die an early death */ 
+#define	NO_64BIT			0x64	/* No 64-bit support yet */
+
+#define ACPI_WAKE_START_ENTRY		0xCF
+#define ACPI_WAKE_PROT_ENTRY		0xCE
+#define ACPI_WAKE_PAGED_ENTRY		0xCD
+
+#define	CPU_IA32_ENABLE_ENTRY		0xBF
+#define	CPU_IA32_ENABLE_EXIT		0xBE
+#define ML_LOAD_DESC64_ENTRY		0xBD
+#define ML_LOAD_DESC64_GDT		0xBC
+#define ML_LOAD_DESC64_IDT		0xBB
+#define ML_LOAD_DESC64_LDT		0xBA
+#define ML_LOAD_DESC64_EXIT		0xB9
+#define	CPU_IA32_DISABLE_ENTRY		0xB8
+#define	CPU_IA32_DISABLE_EXIT		0xB7
 
 #ifndef ASSEMBLER
 inline static void
@@ -143,6 +181,11 @@ _postcode(uint8_t	xx)
 {
 	asm volatile("outb %0, %1" : : "a" (xx), "N" (POSTPORT));
 }
+inline static void
+_postcode2(uint16_t	xxxx)
+{
+	asm volatile("outw %0, %1" : : "a" (xxxx), "N" (POSTPORT));
+}
 #if	DEBUG
 inline static void
 postcode(uint8_t	xx)
@@ -152,8 +195,17 @@ postcode(uint8_t	xx)
 	_postcode_delay(SPINCOUNT);
 #endif
 }
+inline static void
+postcode2(uint8_t	xxxx)
+{
+	_postcode2(xxxx);
+#if	POSTCODE_DELAY
+	_postcode_delay(SPINCOUNT);
+#endif
+}
 #else
-#define postcode(xx)
+#define postcode(xx) do {} while(0)
+#define postcode2(xxxx) do {} while(0)
 #endif
 #endif