diff options
Diffstat (limited to 'src/include/cpu/x86/pae.h')
| -rw-r--r-- | src/include/cpu/x86/pae.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/include/cpu/x86/pae.h b/src/include/cpu/x86/pae.h index 7627187a52df..72bae53d68f3 100644 --- a/src/include/cpu/x86/pae.h +++ b/src/include/cpu/x86/pae.h @@ -1,3 +1,19 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 9elements Agency GmbH + * Copyright (C) 2019 Facebook Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + #ifndef CPU_X86_PAE_H #define CPU_X86_PAE_H @@ -41,4 +57,13 @@ int paging_identity_map_addr(uintptr_t base, size_t size, int pat); #define MAPPING_ERROR ((void *)0xffffffffUL) void *map_2M_page(unsigned long page); +/* To be used with memset_pae */ +#define MEMSET_PAE_VMEM_ALIGN (2 * MiB) +#define MEMSET_PAE_VMEM_SIZE (2 * MiB) +#define MEMSET_PAE_PGTL_ALIGN (4 * KiB) +#define MEMSET_PAE_PGTL_SIZE (20 * KiB) + +int memset_pae(uint64_t dest, unsigned char pat, uint64_t length, void *pgtbl, + void *vmem_addr); + #endif /* CPU_X86_PAE_H */ |