projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 6d2010ae | 1 | /* |
| 39037602 | 2 | * Copyright (c) 2009-2016 Apple Inc. All rights reserved. |
| 6d2010ae A |
3 | * |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| 0a7de745 | 5 | * |
| 6d2010ae A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 0a7de745 | 14 | * |
| 6d2010ae A |
15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 0a7de745 | 17 | * |
| 6d2010ae A |
18 | * The Original Code and all software distributed under the License are |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 0a7de745 | 25 | * |
| 6d2010ae A |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 27 | */ | |
| 28 | #ifndef _I386_PAL_I386_H | |
| 29 | #define _I386_PAL_I386_H | |
| 30 | ||
| 31 | #ifdef XNU_KERNEL_PRIVATE | |
| 32 | ||
| 33 | /* No-op on bare-metal */ | |
| 34 | #define pal_dbg_page_fault(x, y, z) | |
| 35 | #define pal_dbg_set_task_name( x ) | |
| 36 | #define pal_set_signal_delivery( x ) | |
| 37 | ||
| 0a7de745 | 38 | #define pal_is_usable_memory(b, t) (TRUE) |
| 6d2010ae | 39 | |
| 0a7de745 A |
40 | #define pal_hlt() __asm__ volatile ("sti; hlt") |
| 41 | #define pal_sti() __asm__ volatile ("sti") | |
| 42 | #define pal_cli() __asm__ volatile ("cli") | |
| 6d2010ae | 43 | |
| 39037602 A |
44 | static inline void |
| 45 | pal_stop_cpu(boolean_t cli) | |
| 6d2010ae | 46 | { |
| 0a7de745 A |
47 | if (cli) { |
| 48 | __asm__ volatile ( "cli"); | |
| 49 | } | |
| 50 | __asm__ volatile ( "wbinvd; hlt"); | |
| 6d2010ae A |
51 | } |
| 52 | ||
| 53 | #define pal_register_cache_state(t, v) | |
| 54 | ||
| 55 | #define pal_execve_return(t) | |
| 56 | #define pal_thread_terminate_self(t) | |
| 57 | #define pal_ast_check(t) | |
| 6d2010ae | 58 | |
| 0a7de745 A |
59 | #define panic_display_pal_info() do { } while(0) |
| 60 | #define pal_kernel_announce() do { } while(0) | |
| 6d2010ae A |
61 | |
| 62 | #define PAL_AICPM_PROPERTY_VALUE 0 | |
| 63 | ||
| 64 | #define pal_pmc_swi() __asm__ __volatile__("int %0"::"i"(LAPIC_PMC_SWI_VECTOR):"memory") | |
| 65 | ||
| 66 | /* Macro used by non-native xnus for access to low globals when it may | |
| 67 | * have moved. | |
| 68 | */ | |
| 69 | #define PAL_KDP_ADDR(x) (x) | |
| 70 | ||
| 71 | struct pal_rtc_nanotime { | |
| 0a7de745 A |
72 | volatile uint64_t tsc_base; /* timestamp */ |
| 73 | volatile uint64_t ns_base; /* nanoseconds */ | |
| 74 | uint32_t scale; /* tsc -> nanosec multiplier */ | |
| 75 | uint32_t shift; /* shift is nonzero only on "slow" machines, */ | |
| 76 | /* ie where tscFreq <= SLOW_TSC_THRESHOLD */ | |
| 77 | volatile uint32_t generation; /* 0 == being updated */ | |
| 78 | uint32_t spare1; | |
| 6d2010ae A |
79 | }; |
| 80 | ||
| 81 | ||
| 82 | #ifdef MACH_KERNEL_PRIVATE | |
| 83 | ||
| 84 | struct pal_cpu_data { | |
| 6d2010ae A |
85 | }; |
| 86 | ||
| 87 | struct pal_pcb { | |
| 6d2010ae A |
88 | }; |
| 89 | ||
| 90 | struct pal_apic_table { | |
| 6d2010ae A |
91 | }; |
| 92 | ||
| 93 | #endif /* MACH_KERNEL_PRIVATE */ | |
| 94 | ||
| 95 | #endif /* XNU_KERNEL_PRIVATE */ | |
| 96 | ||
| 97 | #endif /* _I386_PAL_I386_H */ |