/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
- *
* 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
+ * 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.
+ *
+ * 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,
* 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@
*/
/*
* @OSF_COPYRIGHT@
*/
/* CMU_ENDHIST */
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* Processor registers for i386 and i486.
*/
-#ifndef _I386_PROC_REG_H_
-#define _I386_PROC_REG_H_
+#ifndef _I386_PROC_REG_H_
+#define _I386_PROC_REG_H_
/*
* Model Specific Registers
*/
-#define MSR_P5_TSC 0x10 /* Time Stamp Register */
-#define MSR_P5_CESR 0x11 /* Control and Event Select Register */
-#define MSR_P5_CTR0 0x12 /* Counter #0 */
-#define MSR_P5_CTR1 0x13 /* Counter #1 */
-
-#define MSR_P5_CESR_PC 0x0200 /* Pin Control */
-#define MSR_P5_CESR_CC 0x01C0 /* Counter Control mask */
-#define MSR_P5_CESR_ES 0x003F /* Event Control mask */
-
-#define MSR_P5_CESR_SHIFT 16 /* Shift to get Counter 1 */
-#define MSR_P5_CESR_MASK (MSR_P5_CESR_PC|\
- MSR_P5_CESR_CC|\
- MSR_P5_CESR_ES) /* Mask Counter */
-
-#define MSR_P5_CESR_CC_CLOCK 0x0100 /* Clock Counting (otherwise Event) */
-#define MSR_P5_CESR_CC_DISABLE 0x0000 /* Disable counter */
-#define MSR_P5_CESR_CC_CPL012 0x0040 /* Count if the CPL == 0, 1, 2 */
-#define MSR_P5_CESR_CC_CPL3 0x0080 /* Count if the CPL == 3 */
-#define MSR_P5_CESR_CC_CPL 0x00C0 /* Count regardless of the CPL */
-
-#define MSR_P5_CESR_ES_DATA_READ 0x000000 /* Data Read */
-#define MSR_P5_CESR_ES_DATA_WRITE 0x000001 /* Data Write */
-#define MSR_P5_CESR_ES_DATA_RW 0x101000 /* Data Read or Write */
-#define MSR_P5_CESR_ES_DATA_TLB_MISS 0x000010 /* Data TLB Miss */
-#define MSR_P5_CESR_ES_DATA_READ_MISS 0x000011 /* Data Read Miss */
-#define MSR_P5_CESR_ES_DATA_WRITE_MISS 0x000100 /* Data Write Miss */
-#define MSR_P5_CESR_ES_DATA_RW_MISS 0x101001 /* Data Read or Write Miss */
-#define MSR_P5_CESR_ES_HIT_EM 0x000101 /* Write (hit) to M|E state */
-#define MSR_P5_CESR_ES_DATA_CACHE_WB 0x000110 /* Cache lines written back */
-#define MSR_P5_CESR_ES_EXTERNAL_SNOOP 0x000111 /* External Snoop */
-#define MSR_P5_CESR_ES_CACHE_SNOOP_HIT 0x001000 /* Data cache snoop hits */
-#define MSR_P5_CESR_ES_MEM_ACCESS_PIPE 0x001001 /* Mem. access in both pipes */
-#define MSR_P5_CESR_ES_BANK_CONFLICTS 0x001010 /* Bank conflicts */
-#define MSR_P5_CESR_ES_MISALIGNED 0x001011 /* Misaligned Memory or I/O */
-#define MSR_P5_CESR_ES_CODE_READ 0x001100 /* Code Read */
-#define MSR_P5_CESR_ES_CODE_TLB_MISS 0x001101 /* Code TLB miss */
-#define MSR_P5_CESR_ES_CODE_CACHE_MISS 0x001110 /* Code Cache miss */
-#define MSR_P5_CESR_ES_SEGMENT_LOADED 0x001111 /* Any segment reg. loaded */
-#define MSR_P5_CESR_ES_BRANCHE 0x010010 /* Branches */
-#define MSR_P5_CESR_ES_BTB_HIT 0x010011 /* BTB Hits */
-#define MSR_P5_CESR_ES_BRANCHE_BTB 0x010100 /* Taken branch or BTB Hit */
-#define MSR_P5_CESR_ES_PIPELINE_FLUSH 0x010101 /* Pipeline Flushes */
-#define MSR_P5_CESR_ES_INSTRUCTION 0x010110 /* Instruction executed */
-#define MSR_P5_CESR_ES_INSTRUCTION_V 0x010111 /* Inst. executed (v-pipe) */
-#define MSR_P5_CESR_ES_BUS_CYCLE 0x011000 /* Clocks while bus cycle */
-#define MSR_P5_CESR_ES_FULL_WRITE_BUF 0x011001 /* Clocks while full wrt buf. */
-#define MSR_P5_CESR_ES_DATA_MEM_READ 0x011010 /* Pipeline waiting for read */
-#define MSR_P5_CESR_ES_WRITE_EM 0x011011 /* Stall on write E|M state */
-#define MSR_P5_CESR_ES_LOCKED_CYCLE 0x011100 /* Locked bus cycles */
-#define MSR_P5_CESR_ES_IO_CYCLE 0x011101 /* I/O Read or Write cycles */
-#define MSR_P5_CESR_ES_NON_CACHEABLE 0x011110 /* Non-cacheable Mem. read */
-#define MSR_P5_CESR_ES_AGI 0x011111 /* Stall because of AGI */
-#define MSR_P5_CESR_ES_FLOP 0x100010 /* Floating Point operations */
-#define MSR_P5_CESR_ES_BREAK_DR0 0x100011 /* Breakpoint matches on DR0 */
-#define MSR_P5_CESR_ES_BREAK_DR1 0x100100 /* Breakpoint matches on DR1 */
-#define MSR_P5_CESR_ES_BREAK_DR2 0x100101 /* Breakpoint matches on DR2 */
-#define MSR_P5_CESR_ES_BREAK_DR3 0x100110 /* Breakpoint matches on DR3 */
-#define MSR_P5_CESR_ES_HARDWARE_IT 0x100111 /* Hardware interrupts */
+#define MSR_P5_TSC 0x10 /* Time Stamp Register */
+#define MSR_P5_CESR 0x11 /* Control and Event Select Register */
+#define MSR_P5_CTR0 0x12 /* Counter #0 */
+#define MSR_P5_CTR1 0x13 /* Counter #1 */
+
+#define MSR_P5_CESR_PC 0x0200 /* Pin Control */
+#define MSR_P5_CESR_CC 0x01C0 /* Counter Control mask */
+#define MSR_P5_CESR_ES 0x003F /* Event Control mask */
+
+#define MSR_P5_CESR_SHIFT 16 /* Shift to get Counter 1 */
+#define MSR_P5_CESR_MASK (MSR_P5_CESR_PC|\
+ MSR_P5_CESR_CC|\
+ MSR_P5_CESR_ES) /* Mask Counter */
+
+#define MSR_P5_CESR_CC_CLOCK 0x0100 /* Clock Counting (otherwise Event) */
+#define MSR_P5_CESR_CC_DISABLE 0x0000 /* Disable counter */
+#define MSR_P5_CESR_CC_CPL012 0x0040 /* Count if the CPL == 0, 1, 2 */
+#define MSR_P5_CESR_CC_CPL3 0x0080 /* Count if the CPL == 3 */
+#define MSR_P5_CESR_CC_CPL 0x00C0 /* Count regardless of the CPL */
+
+#define MSR_P5_CESR_ES_DATA_READ 0x000000 /* Data Read */
+#define MSR_P5_CESR_ES_DATA_WRITE 0x000001 /* Data Write */
+#define MSR_P5_CESR_ES_DATA_RW 0x101000 /* Data Read or Write */
+#define MSR_P5_CESR_ES_DATA_TLB_MISS 0x000010 /* Data TLB Miss */
+#define MSR_P5_CESR_ES_DATA_READ_MISS 0x000011 /* Data Read Miss */
+#define MSR_P5_CESR_ES_DATA_WRITE_MISS 0x000100 /* Data Write Miss */
+#define MSR_P5_CESR_ES_DATA_RW_MISS 0x101001 /* Data Read or Write Miss */
+#define MSR_P5_CESR_ES_HIT_EM 0x000101 /* Write (hit) to M|E state */
+#define MSR_P5_CESR_ES_DATA_CACHE_WB 0x000110 /* Cache lines written back */
+#define MSR_P5_CESR_ES_EXTERNAL_SNOOP 0x000111 /* External Snoop */
+#define MSR_P5_CESR_ES_CACHE_SNOOP_HIT 0x001000 /* Data cache snoop hits */
+#define MSR_P5_CESR_ES_MEM_ACCESS_PIPE 0x001001 /* Mem. access in both pipes */
+#define MSR_P5_CESR_ES_BANK_CONFLICTS 0x001010 /* Bank conflicts */
+#define MSR_P5_CESR_ES_MISALIGNED 0x001011 /* Misaligned Memory or I/O */
+#define MSR_P5_CESR_ES_CODE_READ 0x001100 /* Code Read */
+#define MSR_P5_CESR_ES_CODE_TLB_MISS 0x001101 /* Code TLB miss */
+#define MSR_P5_CESR_ES_CODE_CACHE_MISS 0x001110 /* Code Cache miss */
+#define MSR_P5_CESR_ES_SEGMENT_LOADED 0x001111 /* Any segment reg. loaded */
+#define MSR_P5_CESR_ES_BRANCHE 0x010010 /* Branches */
+#define MSR_P5_CESR_ES_BTB_HIT 0x010011 /* BTB Hits */
+#define MSR_P5_CESR_ES_BRANCHE_BTB 0x010100 /* Taken branch or BTB Hit */
+#define MSR_P5_CESR_ES_PIPELINE_FLUSH 0x010101 /* Pipeline Flushes */
+#define MSR_P5_CESR_ES_INSTRUCTION 0x010110 /* Instruction executed */
+#define MSR_P5_CESR_ES_INSTRUCTION_V 0x010111 /* Inst. executed (v-pipe) */
+#define MSR_P5_CESR_ES_BUS_CYCLE 0x011000 /* Clocks while bus cycle */
+#define MSR_P5_CESR_ES_FULL_WRITE_BUF 0x011001 /* Clocks while full wrt buf. */
+#define MSR_P5_CESR_ES_DATA_MEM_READ 0x011010 /* Pipeline waiting for read */
+#define MSR_P5_CESR_ES_WRITE_EM 0x011011 /* Stall on write E|M state */
+#define MSR_P5_CESR_ES_LOCKED_CYCLE 0x011100 /* Locked bus cycles */
+#define MSR_P5_CESR_ES_IO_CYCLE 0x011101 /* I/O Read or Write cycles */
+#define MSR_P5_CESR_ES_NON_CACHEABLE 0x011110 /* Non-cacheable Mem. read */
+#define MSR_P5_CESR_ES_AGI 0x011111 /* Stall because of AGI */
+#define MSR_P5_CESR_ES_FLOP 0x100010 /* Floating Point operations */
+#define MSR_P5_CESR_ES_BREAK_DR0 0x100011 /* Breakpoint matches on DR0 */
+#define MSR_P5_CESR_ES_BREAK_DR1 0x100100 /* Breakpoint matches on DR1 */
+#define MSR_P5_CESR_ES_BREAK_DR2 0x100101 /* Breakpoint matches on DR2 */
+#define MSR_P5_CESR_ES_BREAK_DR3 0x100110 /* Breakpoint matches on DR3 */
+#define MSR_P5_CESR_ES_HARDWARE_IT 0x100111 /* Hardware interrupts */
/*
* CR0
*/
-#define CR0_PG 0x80000000 /* Enable paging */
-#define CR0_CD 0x40000000 /* i486: Cache disable */
-#define CR0_NW 0x20000000 /* i486: No write-through */
-#define CR0_AM 0x00040000 /* i486: Alignment check mask */
-#define CR0_WP 0x00010000 /* i486: Write-protect kernel access */
-#define CR0_NE 0x00000020 /* i486: Handle numeric exceptions */
-#define CR0_ET 0x00000010 /* Extension type is 80387 */
- /* (not official) */
-#define CR0_TS 0x00000008 /* Task switch */
-#define CR0_EM 0x00000004 /* Emulate coprocessor */
-#define CR0_MP 0x00000002 /* Monitor coprocessor */
-#define CR0_PE 0x00000001 /* Enable protected mode */
+#define CR0_PG 0x80000000 /* Enable paging */
+#define CR0_CD 0x40000000 /* i486: Cache disable */
+#define CR0_NW 0x20000000 /* i486: No write-through */
+#define CR0_AM 0x00040000 /* i486: Alignment check mask */
+#define CR0_WP 0x00010000 /* i486: Write-protect kernel access */
+#define CR0_NE 0x00000020 /* i486: Handle numeric exceptions */
+#define CR0_ET 0x00000010 /* Extension type is 80387 */
+ /* (not official) */
+#define CR0_TS 0x00000008 /* Task switch */
+#define CR0_EM 0x00000004 /* Emulate coprocessor */
+#define CR0_MP 0x00000002 /* Monitor coprocessor */
+#define CR0_PE 0x00000001 /* Enable protected mode */
/*
* CR4
*/
-#define CR4_FXS 0x00000200 /* SSE/SSE2 OS supports FXSave */
-#define CR4_XMM 0x00000400 /* SSE/SSE2 instructions supported in OS */
-#define CR4_MCE 0x00000040 /* p5: Machine Check Exceptions */
-#define CR4_PSE 0x00000010 /* p5: Page Size Extensions */
-#define CR4_DE 0x00000008 /* p5: Debugging Extensions */
-#define CR4_TSD 0x00000004 /* p5: Time Stamp Disable */
-#define CR4_PVI 0x00000002 /* p5: Protected-mode Virtual Interrupts */
-#define CR4_VME 0x00000001 /* p5: Virtual-8086 Mode Extensions */
+#define CR4_SEE 0x00008000 /* Secure Enclave Enable XXX */
+#define CR4_SMAP 0x00200000 /* Supervisor-Mode Access Protect */
+#define CR4_SMEP 0x00100000 /* Supervisor-Mode Execute Protect */
+#define CR4_OSXSAVE 0x00040000 /* OS supports XSAVE */
+#define CR4_PCIDE 0x00020000 /* PCID Enable */
+#define CR4_RDWRFSGS 0x00010000 /* RDWRFSGS Enable */
+#define CR4_SMXE 0x00004000 /* Enable SMX operation */
+#define CR4_VMXE 0x00002000 /* Enable VMX operation */
+#define CR4_OSXMM 0x00000400 /* SSE/SSE2 exception support in OS */
+#define CR4_OSFXS 0x00000200 /* SSE/SSE2 OS supports FXSave */
+#define CR4_PCE 0x00000100 /* Performance-Monitor Count Enable */
+#define CR4_PGE 0x00000080 /* Page Global Enable */
+#define CR4_MCE 0x00000040 /* Machine Check Exceptions */
+#define CR4_PAE 0x00000020 /* Physical Address Extensions */
+#define CR4_PSE 0x00000010 /* Page Size Extensions */
+#define CR4_DE 0x00000008 /* Debugging Extensions */
+#define CR4_TSD 0x00000004 /* Time Stamp Disable */
+#define CR4_PVI 0x00000002 /* Protected-mode Virtual Interrupts */
+#define CR4_VME 0x00000001 /* Virtual-8086 Mode Extensions */
-#ifndef ASSEMBLER
-extern unsigned int get_cr0(void);
-extern void set_cr0(
- unsigned int value);
-extern unsigned int get_cr2(void);
-extern unsigned int get_cr3(void);
-extern void set_cr3(
- unsigned int value);
-extern unsigned int get_cr4(void);
-extern void set_cr4(
- unsigned int value);
+/*
+ * XCR0 - XFEATURE_ENABLED_MASK (a.k.a. XFEM) register
+ */
+#define XCR0_X87 (1ULL << 0) /* x87, FPU/MMX (always set) */
+#define XCR0_SSE (1ULL << 1) /* SSE supported by XSAVE/XRESTORE */
+#define XCR0_YMM (1ULL << 2) /* YMM state available */
+#define XCR0_BNDREGS (1ULL << 3) /* MPX Bounds register state */
+#define XCR0_BNDCSR (1ULL << 4) /* MPX Bounds configuration/state */
+#define XCR0_OPMASK (1ULL << 5) /* Opmask register state */
+#define XCR0_ZMM_HI256 (1ULL << 6) /* ZMM upper 256-bit state */
+#define XCR0_HI16_ZMM (1ULL << 7) /* ZMM16..ZMM31 512-bit state */
+#define XFEM_X87 XCR0_X87
+#define XFEM_SSE XCR0_SSE
+#define XFEM_YMM XCR0_YMM
+#define XFEM_BNDREGS XCR0_BNDREGS
+#define XFEM_BNDCSR XCR0_BNDCSR
+#define XFEM_OPMASK XCR0_OPMASK
+#define XFEM_ZMM_HI256 XCR0_ZMM_HI256
+#define XFEM_HI16_ZMM XCR0_HI16_ZMM
+#define XFEM_ZMM (XFEM_ZMM_HI256 | XFEM_HI16_ZMM | XFEM_OPMASK)
+#define XCR0 (0)
+
+#define PMAP_PCID_PRESERVE (1ULL << 63)
+#define PMAP_PCID_MASK (0xFFF)
+
+#define EARLY_GSBASE_MAGIC 0xffffdeadbeefee00
-#define set_ts() \
- set_cr0(get_cr0() | CR0_TS)
-extern void clear_ts(void);
+/*
+ * If thread groups are needed for x86, set this to 1
+ */
+#define CONFIG_THREAD_GROUPS 0
+
+#ifndef ASSEMBLER
+
+#include <sys/cdefs.h>
+#include <stdint.h>
-extern unsigned short get_tr(void);
-extern void set_tr(
- unsigned int seg);
+__BEGIN_DECLS
-extern unsigned short get_ldt(void);
-extern void set_ldt(
- unsigned int seg);
-#ifdef __GNUC__
-extern __inline__ unsigned int get_cr0(void)
+#define set_ts() set_cr0(get_cr0() | CR0_TS)
+
+static inline uint16_t
+get_es(void)
{
- register unsigned int cr0;
- __asm__ volatile("mov %%cr0, %0" : "=r" (cr0));
- return(cr0);
+ uint16_t es;
+ __asm__ volatile ("mov %%es, %0" : "=r" (es));
+ return es;
}
-extern __inline__ void set_cr0(unsigned int value)
+static inline void
+set_es(uint16_t es)
{
- __asm__ volatile("mov %0, %%cr0" : : "r" (value));
+ __asm__ volatile ("mov %0, %%es" : : "r" (es));
}
-extern __inline__ unsigned int get_cr2(void)
+static inline uint16_t
+get_ds(void)
{
- register unsigned int cr2;
- __asm__ volatile("mov %%cr2, %0" : "=r" (cr2));
- return(cr2);
+ uint16_t ds;
+ __asm__ volatile ("mov %%ds, %0" : "=r" (ds));
+ return ds;
}
-#if NCPUS > 1 && AT386
-/*
- * get_cr3 and set_cr3 are more complicated for the MPs. cr3 is where
- * the cpu number gets stored. The MP versions live in locore.s
- */
-#else /* NCPUS > 1 && AT386 */
-extern __inline__ unsigned int get_cr3(void)
+static inline void
+set_ds(uint16_t ds)
+{
+ __asm__ volatile ("mov %0, %%ds" : : "r" (ds));
+}
+
+static inline uint16_t
+get_fs(void)
+{
+ uint16_t fs;
+ __asm__ volatile ("mov %%fs, %0" : "=r" (fs));
+ return fs;
+}
+
+static inline void
+set_fs(uint16_t fs)
{
- register unsigned int cr3;
- __asm__ volatile("mov %%cr3, %0" : "=r" (cr3));
- return(cr3);
+ __asm__ volatile ("mov %0, %%fs" : : "r" (fs));
}
-extern __inline__ void set_cr3(unsigned int value)
+static inline uint16_t
+get_gs(void)
{
- __asm__ volatile("mov %0, %%cr3" : : "r" (value));
+ uint16_t gs;
+ __asm__ volatile ("mov %%gs, %0" : "=r" (gs));
+ return gs;
}
-#endif /* NCPUS > 1 && AT386 */
-extern __inline__ void clear_ts(void)
+static inline void
+set_gs(uint16_t gs)
{
- __asm__ volatile("clts");
+ __asm__ volatile ("mov %0, %%gs" : : "r" (gs));
}
-extern __inline__ unsigned short get_tr(void)
+static inline uint16_t
+get_ss(void)
{
- unsigned short seg;
- __asm__ volatile("str %0" : "=rm" (seg));
- return(seg);
+ uint16_t ss;
+ __asm__ volatile ("mov %%ss, %0" : "=r" (ss));
+ return ss;
}
-extern __inline__ void set_tr(unsigned int seg)
+static inline void
+set_ss(uint16_t ss)
{
- __asm__ volatile("ltr %0" : : "rm" ((unsigned short)(seg)));
+ __asm__ volatile ("mov %0, %%ss" : : "r" (ss));
}
-extern __inline__ unsigned short get_ldt(void)
+static inline uintptr_t
+get_cr0(void)
+{
+ uintptr_t cr0;
+ __asm__ volatile ("mov %%cr0, %0" : "=r" (cr0));
+ return cr0;
+}
+
+static inline void
+set_cr0(uintptr_t value)
+{
+ __asm__ volatile ("mov %0, %%cr0" : : "r" (value));
+}
+
+static inline uintptr_t
+get_cr2(void)
+{
+ uintptr_t cr2;
+ __asm__ volatile ("mov %%cr2, %0" : "=r" (cr2));
+ return cr2;
+}
+
+static inline uintptr_t
+get_cr3_raw(void)
+{
+ uintptr_t cr3;
+ __asm__ volatile ("mov %%cr3, %0" : "=r" (cr3));
+ return cr3;
+}
+
+static inline void
+set_cr3_raw(uintptr_t value)
+{
+ __asm__ volatile ("mov %0, %%cr3" : : "r" (value));
+}
+
+static inline uintptr_t
+get_cr3_base(void)
+{
+ uintptr_t cr3;
+ __asm__ volatile ("mov %%cr3, %0" : "=r" (cr3));
+ return cr3 & ~(0xFFFULL);
+}
+
+static inline void
+set_cr3_composed(uintptr_t base, uint16_t pcid, uint64_t preserve)
+{
+ __asm__ volatile ("mov %0, %%cr3" : : "r" (base | pcid | ( (preserve) << 63) ));
+}
+
+static inline uintptr_t
+get_cr4(void)
+{
+ uintptr_t cr4;
+ __asm__ volatile ("mov %%cr4, %0" : "=r" (cr4));
+ return cr4;
+}
+
+static inline void
+set_cr4(uintptr_t value)
+{
+ __asm__ volatile ("mov %0, %%cr4" : : "r" (value));
+}
+
+static inline uintptr_t
+x86_get_flags(void)
+{
+ uintptr_t erflags;
+ __asm__ volatile ("pushf; pop %0" : "=r" (erflags));
+ return erflags;
+}
+
+static inline void
+clear_ts(void)
+{
+ __asm__ volatile ("clts");
+}
+
+static inline unsigned short
+get_tr(void)
{
unsigned short seg;
- __asm__ volatile("sldt %0" : "=rm" (seg));
- return(seg);
+ __asm__ volatile ("str %0" : "=rm" (seg));
+ return seg;
+}
+
+static inline void
+set_tr(unsigned int seg)
+{
+ __asm__ volatile ("ltr %0" : : "rm" ((unsigned short)(seg)));
}
-extern __inline__ void set_ldt(unsigned int seg)
+static inline unsigned short
+sldt(void)
{
- __asm__ volatile("lldt %0" : : "rm" ((unsigned short)(seg)));
+ unsigned short seg;
+ __asm__ volatile ("sldt %0" : "=rm" (seg));
+ return seg;
}
-extern __inline__ void flush_tlb(void)
+static inline void
+lldt(unsigned int seg)
{
- unsigned long cr3_temp;
- __asm__ volatile("movl %%cr3, %0; movl %0, %%cr3" : "=r" (cr3_temp) :: "memory");
+ __asm__ volatile ("lldt %0" : : "rm" ((unsigned short)(seg)));
}
-extern __inline__ void invlpg(unsigned long addr)
+static inline void
+lgdt(uintptr_t *desc)
{
- __asm__ volatile("invlpg (%0)" :: "r" (addr) : "memory");
+ __asm__ volatile ("lgdt %0" : : "m" (*desc));
+}
+
+static inline void
+lidt(uintptr_t *desc)
+{
+ __asm__ volatile ("lidt %0" : : "m" (*desc));
+}
+
+static inline void
+swapgs(void)
+{
+ __asm__ volatile ("swapgs");
+}
+
+static inline void
+hlt(void)
+{
+ __asm__ volatile ("hlt");
+}
+
+#ifdef MACH_KERNEL_PRIVATE
+
+extern int rdmsr64_carefully(uint32_t msr, uint64_t *val);
+extern int wrmsr64_carefully(uint32_t msr, uint64_t val);
+#endif /* MACH_KERNEL_PRIVATE */
+
+static inline void
+wbinvd(void)
+{
+ __asm__ volatile ("wbinvd");
+}
+
+static inline void
+invlpg(uintptr_t addr)
+{
+ __asm__ volatile ("invlpg (%0)" :: "r" (addr) : "memory");
+}
+
+static inline void
+clac(void)
+{
+ __asm__ volatile ("clac");
+}
+
+static inline void
+stac(void)
+{
+ __asm__ volatile ("stac");
}
/*
* pointer indirection), this allows gcc to optimize better
*/
-#define rdmsr(msr,lo,hi) \
+#define rdmsr(msr, lo, hi) \
__asm__ volatile("rdmsr" : "=a" (lo), "=d" (hi) : "c" (msr))
-#define wrmsr(msr,lo,hi) \
+#define wrmsr(msr, lo, hi) \
__asm__ volatile("wrmsr" : : "c" (msr), "a" (lo), "d" (hi))
-#define rdtsc(lo,hi) \
+#define rdtsc(lo, hi) \
+ __asm__ volatile("lfence; rdtsc" : "=a" (lo), "=d" (hi))
+
+#define rdtsc_nofence(lo, hi) \
__asm__ volatile("rdtsc" : "=a" (lo), "=d" (hi))
-#define write_tsc(lo,hi) wrmsr(0x10, lo, hi)
+#define write_tsc(lo, hi) wrmsr(0x10, lo, hi)
-#define rdpmc(counter,lo,hi) \
+#define rdpmc(counter, lo, hi) \
__asm__ volatile("rdpmc" : "=a" (lo), "=d" (hi) : "c" (counter))
-extern __inline__ uint64_t rdmsr64(uint32_t msr)
+#ifdef XNU_KERNEL_PRIVATE
+extern void do_mfence(void);
+#define mfence() do_mfence()
+#endif
+
+#ifdef __LP64__
+static inline uint64_t
+rdpmc64(uint32_t pmc)
{
- uint64_t ret;
- __asm__ volatile("rdmsr" : "=A" (ret) : "c" (msr));
- return ret;
+ uint32_t lo = 0, hi = 0;
+ rdpmc(pmc, lo, hi);
+ return (((uint64_t)hi) << 32) | ((uint64_t)lo);
}
-extern __inline__ void wrmsr64(uint32_t msr, uint64_t val)
+static inline uint64_t
+rdmsr64(uint32_t msr)
{
- __asm__ volatile("wrmsr" : : "c" (msr), "A" (val));
+ uint32_t lo = 0, hi = 0;
+ rdmsr(msr, lo, hi);
+ return (((uint64_t)hi) << 32) | ((uint64_t)lo);
}
-extern __inline__ uint64_t rdtsc64(void)
+static inline void
+wrmsr64(uint32_t msr, uint64_t val)
{
- uint64_t ret;
- __asm__ volatile("rdtsc" : "=A" (ret));
- return ret;
+ wrmsr(msr, (val & 0xFFFFFFFFUL), ((val >> 32) & 0xFFFFFFFFUL));
}
-#endif /* __GNUC__ */
-#endif /* ASSEMBLER */
-#define MSR_IA32_P5_MC_ADDR 0
-#define MSR_IA32_P5_MC_TYPE 1
-#define MSR_IA32_PLATFORM_ID 0x17
-#define MSR_IA32_EBL_CR_POWERON 0x2a
-
-#define MSR_IA32_APIC_BASE 0x1b
-#define MSR_IA32_APIC_BASE_BSP (1<<8)
-#define MSR_IA32_APIC_BASE_ENABLE (1<<11)
-#define MSR_IA32_APIC_BASE_BASE (0xfffff<<12)
-
-#define MSR_IA32_UCODE_WRITE 0x79
-#define MSR_IA32_UCODE_REV 0x8b
-
-#define MSR_IA32_PERFCTR0 0xc1
-#define MSR_IA32_PERFCTR1 0xc2
-
-#define MSR_IA32_BBL_CR_CTL 0x119
-
-#define MSR_IA32_MCG_CAP 0x179
-#define MSR_IA32_MCG_STATUS 0x17a
-#define MSR_IA32_MCG_CTL 0x17b
-
-#define MSR_IA32_EVNTSEL0 0x186
-#define MSR_IA32_EVNTSEL1 0x187
+static inline uint64_t
+rdtsc64(void)
+{
+ uint64_t lo, hi;
+ rdtsc(lo, hi);
+ return ((hi) << 32) | (lo);
+}
-#define MSR_IA32_DEBUGCTLMSR 0x1d9
-#define MSR_IA32_LASTBRANCHFROMIP 0x1db
-#define MSR_IA32_LASTBRANCHTOIP 0x1dc
-#define MSR_IA32_LASTINTFROMIP 0x1dd
-#define MSR_IA32_LASTINTTOIP 0x1de
+static inline uint64_t
+rdtscp64(uint32_t *aux)
+{
+ uint64_t lo, hi;
+ __asm__ volatile ("rdtscp; mov %%ecx, %1"
+ : "=a" (lo), "=d" (hi), "=m" (*aux)
+ :
+ : "ecx");
+ return ((hi) << 32) | (lo);
+}
+#endif /* __LP64__ */
-#define MSR_IA32_MC0_CTL 0x400
-#define MSR_IA32_MC0_STATUS 0x401
-#define MSR_IA32_MC0_ADDR 0x402
-#define MSR_IA32_MC0_MISC 0x403
+/*
+ * rdmsr_carefully() returns 0 when the MSR has been read successfully,
+ * or non-zero (1) if the MSR does not exist.
+ * The implementation is in locore.s.
+ */
+extern int rdmsr_carefully(uint32_t msr, uint32_t *lo, uint32_t *hi);
+__END_DECLS
-#endif /* _I386_PROC_REG_H_ */
+#endif /* ASSEMBLER */
+
+#define MSR_IA32_P5_MC_ADDR 0
+#define MSR_IA32_P5_MC_TYPE 1
+#define MSR_IA32_PLATFORM_ID 0x17
+#define MSR_IA32_EBL_CR_POWERON 0x2a
+
+#define MSR_IA32_APIC_BASE 0x1b
+#define MSR_IA32_APIC_BASE_BSP (1<<8)
+#define MSR_IA32_APIC_BASE_EXTENDED (1<<10)
+#define MSR_IA32_APIC_BASE_ENABLE (1<<11)
+#define MSR_IA32_APIC_BASE_BASE (0xfffff<<12)
+
+#define MSR_CORE_THREAD_COUNT 0x35
+
+#define MSR_IA32_FEATURE_CONTROL 0x3a
+#define MSR_IA32_FEATCTL_LOCK (1<<0)
+#define MSR_IA32_FEATCTL_VMXON_SMX (1<<1)
+#define MSR_IA32_FEATCTL_VMXON (1<<2)
+#define MSR_IA32_FEATCTL_CSTATE_SMI (1<<16)
+
+#define MSR_IA32_UPDT_TRIG 0x79
+#define MSR_IA32_BIOS_SIGN_ID 0x8b
+#define MSR_IA32_UCODE_WRITE MSR_IA32_UPDT_TRIG
+#define MSR_IA32_UCODE_REV MSR_IA32_BIOS_SIGN_ID
+
+#define MSR_IA32_PERFCTR0 0xc1
+#define MSR_IA32_PERFCTR1 0xc2
+#define MSR_IA32_PERFCTR3 0xc3
+#define MSR_IA32_PERFCTR4 0xc4
+
+#define MSR_PLATFORM_INFO 0xce
+
+#define MSR_IA32_MPERF 0xE7
+#define MSR_IA32_APERF 0xE8
+
+#define MSR_IA32_ARCH_CAPABILITIES 0x10a
+#define MSR_IA32_ARCH_CAPABILITIES_RDCL_NO (1ULL << 0)
+#define MSR_IA32_ARCH_CAPABILITIES_IBRS_ALL (1ULL << 1)
+#define MSR_IA32_ARCH_CAPABILITIES_RSBA (1ULL << 2)
+#define MSR_IA32_ARCH_CAPABILITIES_L1DF_NO (1ULL << 3)
+#define MSR_IA32_ARCH_CAPABILITIES_SSB_NO (1ULL << 4)
+#define MSR_IA32_ARCH_CAPABILITIES_MDS_NO (1ULL << 5)
+
+#define MSR_IA32_TSX_FORCE_ABORT 0x10f
+#define MSR_IA32_TSXFA_RTM_FORCE_ABORT (1ULL << 0) /* Bit 0 */
+
+#define MSR_IA32_BBL_CR_CTL 0x119
+
+
+#define MSR_IA32_SYSENTER_CS 0x174
+#define MSR_IA32_SYSENTER_ESP 0x175
+#define MSR_IA32_SYSENTER_EIP 0x176
+
+#define MSR_IA32_MCG_CAP 0x179
+#define MSR_IA32_MCG_STATUS 0x17a
+#define MSR_IA32_MCG_CTL 0x17b
+
+#define MSR_IA32_EVNTSEL0 0x186
+#define MSR_IA32_EVNTSEL1 0x187
+#define MSR_IA32_EVNTSEL2 0x188
+#define MSR_IA32_EVNTSEL3 0x189
+
+#define MSR_FLEX_RATIO 0x194
+#define MSR_IA32_PERF_STS 0x198
+#define MSR_IA32_PERF_CTL 0x199
+#define MSR_IA32_CLOCK_MODULATION 0x19a
+
+#define MSR_IA32_MISC_ENABLE 0x1a0
+
+
+#define MSR_IA32_PACKAGE_THERM_STATUS 0x1b1
+#define MSR_IA32_PACKAGE_THERM_INTERRUPT 0x1b2
+
+#define MSR_IA32_DEBUGCTLMSR 0x1d9
+#define MSR_IA32_LASTBRANCHFROMIP 0x1db
+#define MSR_IA32_LASTBRANCHTOIP 0x1dc
+#define MSR_IA32_LASTINTFROMIP 0x1dd
+#define MSR_IA32_LASTINTTOIP 0x1de
+
+#define MSR_IA32_CR_PAT 0x277
+
+#define MSR_IA32_MTRRCAP 0xfe
+#define MSR_IA32_MTRR_DEF_TYPE 0x2ff
+#define MSR_IA32_MTRR_PHYSBASE(n) (0x200 + 2*(n))
+#define MSR_IA32_MTRR_PHYSMASK(n) (0x200 + 2*(n) + 1)
+#define MSR_IA32_MTRR_FIX64K_00000 0x250
+#define MSR_IA32_MTRR_FIX16K_80000 0x258
+#define MSR_IA32_MTRR_FIX16K_A0000 0x259
+#define MSR_IA32_MTRR_FIX4K_C0000 0x268
+#define MSR_IA32_MTRR_FIX4K_C8000 0x269
+#define MSR_IA32_MTRR_FIX4K_D0000 0x26a
+#define MSR_IA32_MTRR_FIX4K_D8000 0x26b
+#define MSR_IA32_MTRR_FIX4K_E0000 0x26c
+#define MSR_IA32_MTRR_FIX4K_E8000 0x26d
+#define MSR_IA32_MTRR_FIX4K_F0000 0x26e
+#define MSR_IA32_MTRR_FIX4K_F8000 0x26f
+
+#define MSR_IA32_PERF_FIXED_CTR0 0x309
+
+#define MSR_IA32_PERF_FIXED_CTR_CTRL 0x38D
+#define MSR_IA32_PERF_GLOBAL_STATUS 0x38E
+#define MSR_IA32_PERF_GLOBAL_CTRL 0x38F
+#define MSR_IA32_PERF_GLOBAL_OVF_CTRL 0x390
+
+#define MSR_IA32_PKG_C3_RESIDENCY 0x3F8
+#define MSR_IA32_PKG_C6_RESIDENCY 0x3F9
+#define MSR_IA32_PKG_C7_RESIDENCY 0x3FA
+
+#define MSR_IA32_CORE_C3_RESIDENCY 0x3FC
+#define MSR_IA32_CORE_C6_RESIDENCY 0x3FD
+#define MSR_IA32_CORE_C7_RESIDENCY 0x3FE
+
+#define MSR_IA32_MC0_CTL 0x400
+#define MSR_IA32_MC0_STATUS 0x401
+#define MSR_IA32_MC0_ADDR 0x402
+#define MSR_IA32_MC0_MISC 0x403
+
+#define MSR_IA32_VMX_BASE 0x480
+#define MSR_IA32_VMX_BASIC MSR_IA32_VMX_BASE
+#define MSR_IA32_VMX_PINBASED_CTLS MSR_IA32_VMX_BASE+1
+#define MSR_IA32_VMX_PROCBASED_CTLS MSR_IA32_VMX_BASE+2
+#define MSR_IA32_VMX_EXIT_CTLS MSR_IA32_VMX_BASE+3
+#define MSR_IA32_VMX_ENTRY_CTLS MSR_IA32_VMX_BASE+4
+#define MSR_IA32_VMX_MISC MSR_IA32_VMX_BASE+5
+#define MSR_IA32_VMX_CR0_FIXED0 MSR_IA32_VMX_BASE+6
+#define MSR_IA32_VMX_CR0_FIXED1 MSR_IA32_VMX_BASE+7
+#define MSR_IA32_VMX_CR4_FIXED0 MSR_IA32_VMX_BASE+8
+#define MSR_IA32_VMX_CR4_FIXED1 MSR_IA32_VMX_BASE+9
+#define MSR_IA32_VMX_VMCS_ENUM MSR_IA32_VMX_BASE+10
+#define MSR_IA32_VMX_PROCBASED_CTLS2 MSR_IA32_VMX_BASE+11
+#define MSR_IA32_VMX_EPT_VPID_CAP MSR_IA32_VMX_BASE+12
+#define MSR_IA32_VMX_EPT_VPID_CAP_AD_SHIFT 21
+#define MSR_IA32_VMX_TRUE_PINBASED_CTLS MSR_IA32_VMX_BASE+13
+#define MSR_IA32_VMX_TRUE_PROCBASED_CTLS MSR_IA32_VMX_BASE+14
+#define MSR_IA32_VMX_TRUE_VMEXIT_CTLS MSR_IA32_VMX_BASE+15
+#define MSR_IA32_VMX_TRUE_VMENTRY_CTLS MSR_IA32_VMX_BASE+16
+#define MSR_IA32_VMX_VMFUNC MSR_IA32_VMX_BASE+17
+
+#define MSR_IA32_DS_AREA 0x600
+
+#define MSR_IA32_PKG_POWER_SKU_UNIT 0x606
+#define MSR_IA32_PKG_C2_RESIDENCY 0x60D
+#define MSR_IA32_PKG_ENERGY_STATUS 0x611
+#define MSR_IA32_DDR_ENERGY_STATUS 0x619
+#define MSR_IA32_LLC_FLUSHED_RESIDENCY_TIMER 0x61D
+#define MSR_IA32_RING_PERF_STATUS 0x621
+
+#define MSR_IA32_PKG_C8_RESIDENCY 0x630
+#define MSR_IA32_PKG_C9_RESIDENCY 0x631
+#define MSR_IA32_PKG_C10_RESIDENCY 0x632
+
+#define MSR_IA32_PP0_ENERGY_STATUS 0x639
+#define MSR_IA32_PP1_ENERGY_STATUS 0x641
+#define MSR_IA32_IA_PERF_LIMIT_REASONS_SKL 0x64F
+
+#define MSR_IA32_IA_PERF_LIMIT_REASONS 0x690
+#define MSR_IA32_GT_PERF_LIMIT_REASONS 0x6B0
+
+#define MSR_IA32_TSC_DEADLINE 0x6e0
+
+#define MSR_IA32_EFER 0xC0000080
+#define MSR_IA32_EFER_SCE 0x00000001
+#define MSR_IA32_EFER_LME 0x00000100
+#define MSR_IA32_EFER_LMA 0x00000400
+#define MSR_IA32_EFER_NXE 0x00000800
+
+#define MSR_IA32_STAR 0xC0000081
+#define MSR_IA32_LSTAR 0xC0000082
+#define MSR_IA32_CSTAR 0xC0000083
+#define MSR_IA32_FMASK 0xC0000084
+
+#define MSR_IA32_FS_BASE 0xC0000100
+#define MSR_IA32_GS_BASE 0xC0000101
+#define MSR_IA32_KERNEL_GS_BASE 0xC0000102
+#define MSR_IA32_TSC_AUX 0xC0000103
+
+#define HV_VMX_EPTP_MEMORY_TYPE_UC 0x0
+#define HV_VMX_EPTP_MEMORY_TYPE_WB 0x6
+#define HV_VMX_EPTP_WALK_LENGTH(wl) (0ULL | ((((wl) - 1) & 0x7) << 3))
+#define HV_VMX_EPTP_ENABLE_AD_FLAGS (1ULL << 6)
+
+#endif /* _I386_PROC_REG_H_ */
projects / apple / xnu.git / blobdiff