| // Copyright 2016 The Fuchsia Authors |
| // Copyright (c) 2009 Corey Tabaka |
| // Copyright (c) 2015 Intel Corporation |
| // |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT |
| |
| #ifndef ZIRCON_KERNEL_ARCH_X86_INCLUDE_ARCH_DEFINES_H_ |
| #define ZIRCON_KERNEL_ARCH_X86_INCLUDE_ARCH_DEFINES_H_ |
| |
| #define PAGE_SIZE 4096 |
| #define PAGE_SIZE_SHIFT 12 |
| #define PAGE_MASK (PAGE_SIZE - 1) |
| |
| // Align the heap to 2MiB to optionally support large page mappings in it. |
| #define ARCH_HEAP_ALIGN_BITS 21 |
| |
| #define MAX_CACHE_LINE 64 |
| |
| #define ARCH_DEFAULT_STACK_SIZE 8192 |
| |
| #define ARCH_PHYSMAP_SIZE (0x1000000000UL) // 64GB |
| |
| #endif // ZIRCON_KERNEL_ARCH_X86_INCLUDE_ARCH_DEFINES_H_ |