diff options
Diffstat (limited to 'futility/kernel_blob.h')
| -rw-r--r-- | futility/kernel_blob.h | 85 |
1 files changed, 41 insertions, 44 deletions
diff --git a/futility/kernel_blob.h b/futility/kernel_blob.h index 173d48d2..6ecc02d7 100644 --- a/futility/kernel_blob.h +++ b/futility/kernel_blob.h @@ -1,65 +1,62 @@ -// Copyright 2010 The Chromium OS Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. -// -// Constants describing the kernel blob content. - +/* Copyright 2010 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Constants describing the kernel blob content. + */ #ifndef VBOOT_REFERENCE_KERNEL_BLOB_H_ #define VBOOT_REFERENCE_KERNEL_BLOB_H_ - -// Maximum kernel command-line size +/* Maximum kernel command-line size */ #define CROS_CONFIG_SIZE 4096 -// Size of the x86 zeropage table +/* Size of the x86 zeropage table */ #define CROS_PARAMS_SIZE 4096 -// Alignment of various chunks within the kernel blob +/* Alignment of various chunks within the kernel blob */ #define CROS_ALIGN 4096 -// Sentinel RAM address indicating that no entry address is specified +/* Sentinel RAM address indicating that no entry address is specified */ #define CROS_NO_ENTRY_ADDR (~0) -// RAM address where the 32-bit kernel expects to be started +/* RAM address where the 32-bit kernel expects to be started */ #define CROS_32BIT_ENTRY_ADDR 0x100000 -// Simplified version of x86 kernel e820 memory map entries +/* Simplified version of x86 kernel e820 memory map entries */ #define E820_ENTRY_MAX 128 #define E820_TYPE_RAM 1 #define E820_TYPE_RESERVED 2 struct linux_kernel_e820entry { - uint64_t start_addr; - uint64_t segment_size; - uint32_t segment_type; -} __attribute__((packed)); - -// Simplified version of the x86 kernel zeropage table -struct linux_kernel_params -{ - uint8_t pad0[0x1e8 - 0x0]; - uint8_t n_e820_entry; // 1e8 - uint8_t pad1[0x1f1 - 0x1e9]; - uint8_t setup_sects; // 1f1 - uint8_t pad2[0x1fe - 0x1f2]; - uint16_t boot_flag; // 1fe - uint16_t jump; // 200 - uint32_t header; // 202 - uint16_t version; // 206 - uint8_t pad3[0x210 - 0x208]; - uint8_t type_of_loader; // 210 - uint8_t pad4[0x218 - 0x211]; - uint32_t ramdisk_image; // 218 - uint32_t ramdisk_size; // 21c - uint8_t pad5[0x228 - 0x220]; - uint32_t cmd_line_ptr; // 228 - uint32_t ramdisk_max; // 22c - uint32_t kernel_alignment; // 230 - uint8_t relocatable_kernel; // 234 - uint8_t min_alignment; // 235 - uint8_t pad6[0x2d0 - 0x236]; - struct linux_kernel_e820entry e820_entries[E820_ENTRY_MAX]; // 2d0 - cd0 + uint64_t start_addr; + uint64_t segment_size; + uint32_t segment_type; } __attribute__ ((packed)); +/* Simplified version of the x86 kernel zeropage table */ +struct linux_kernel_params { + uint8_t pad0[0x1e8 - 0x0]; + uint8_t n_e820_entry; /* 1e8 */ + uint8_t pad1[0x1f1 - 0x1e9]; + uint8_t setup_sects; /* 1f1 */ + uint8_t pad2[0x1fe - 0x1f2]; + uint16_t boot_flag; /* 1fe */ + uint16_t jump; /* 200 */ + uint32_t header; /* 202 */ + uint16_t version; /* 206 */ + uint8_t pad3[0x210 - 0x208]; + uint8_t type_of_loader; /* 210 */ + uint8_t pad4[0x218 - 0x211]; + uint32_t ramdisk_image; /* 218 */ + uint32_t ramdisk_size; /* 21c */ + uint8_t pad5[0x228 - 0x220]; + uint32_t cmd_line_ptr; /* 228 */ + uint32_t ramdisk_max; /* 22c */ + uint32_t kernel_alignment; /* 230 */ + uint8_t relocatable_kernel; /* 234 */ + uint8_t min_alignment; /* 235 */ + uint8_t pad6[0x2d0 - 0x236]; + struct linux_kernel_e820entry e820_entries[E820_ENTRY_MAX]; /* 2d0-cd0 */ +} __attribute__ ((packed)); -#endif // VBOOT_REFERENCE_KERNEL_BLOB_H_ +#endif /* VBOOT_REFERENCE_KERNEL_BLOB_H_ */ |