| | 1 | /* |
| | 2 | * Copyright (c) 2009 Apple Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 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. |
| | 25 | * |
| | 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 | |
| | 38 | #define pal_is_usable_memory(b, t) (TRUE) |
| | 39 | |
| | 40 | #define pal_hlt() __asm__ volatile ("sti; hlt") |
| | 41 | #define pal_sti() __asm__ volatile ("sti") |
| | 42 | #define pal_cli() __asm__ volatile ("cli") |
| | 43 | |
| | 44 | static inline |
| | 45 | void pal_stop_cpu(boolean_t cli) |
| | 46 | { |
| | 47 | if( cli ) |
| | 48 | __asm__ volatile ( "cli" ); |
| | 49 | __asm__ volatile ( "wbinvd; hlt" ); |
| | 50 | } |
| | 51 | |
| | 52 | #define pal_register_cache_state(t, v) |
| | 53 | |
| | 54 | #define pal_execve_return(t) |
| | 55 | #define pal_thread_terminate_self(t) |
| | 56 | #define pal_ast_check(t) |
| | 57 | #define pal_switch_pmap(t,u,v) |
| | 58 | |
| | 59 | #define panic_display_pal_info() do { } while(0) |
| | 60 | #define pal_kernel_announce() do { } while(0) |
| | 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 { |
| | 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; /* tsc -> nanosec shift/div */ |
| | 76 | /* shift is overloaded with |
| | 77 | * lower 32bits of tsc_freq |
| | 78 | * on slower machines (SLOW_TSC_THRESHOLD) */ |
| | 79 | volatile uint32_t generation; /* 0 == being updated */ |
| | 80 | uint32_t spare1; |
| | 81 | }; |
| | 82 | |
| | 83 | |
| | 84 | #ifdef MACH_KERNEL_PRIVATE |
| | 85 | |
| | 86 | struct pal_cpu_data { |
| | 87 | |
| | 88 | }; |
| | 89 | |
| | 90 | struct pal_pcb { |
| | 91 | |
| | 92 | }; |
| | 93 | |
| | 94 | struct pal_apic_table { |
| | 95 | |
| | 96 | }; |
| | 97 | |
| | 98 | #endif /* MACH_KERNEL_PRIVATE */ |
| | 99 | |
| | 100 | #endif /* XNU_KERNEL_PRIVATE */ |
| | 101 | |
| | 102 | #endif /* _I386_PAL_I386_H */ |
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