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Much rearranging of cgptlib. Passes all its (new) unit tests.

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Also includes part of LoadKernel(), which I'll split into a separate
CL.  With some hacks, gets into VerifyKernel() before dying because
I'm not passing in the right key blob.

cgptlib is now pretty stable, and worth looking at.  LoadKernel() less so.

Thanks,
   Randall

Review URL: http://codereview.chromium.org/2438005
This commit is contained in:
Randall Spangler
2010-06-02 12:46:17 -07:00
parent 5374a06114
commit 3dcf9dce04
22 changed files with 1803 additions and 1882 deletions
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29
vboot_firmware/lib/cgptlib/include/gpt.h
View File

@@ -16,16 +16,33 @@
#define GPT_HEADER_SIGNATURE_SIZE sizeof(GPT_HEADER_SIGNATURE)
#define GPT_HEADER_REVISION 0x00010000
#define GPT_ENT_TYPE_EFI \
{{{0xc12a7328,0xf81f,0x11d2,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}}}}
/* The first 3 numbers should be stored in network-endian format
* according to the GUID RFC. The UEFI spec appendix A claims they
* should be stored in little-endian format. But they need to be
* _displayed_ in network-endian format, which is also how they're
* documented in the specs.
*
* Since what we have here are little-endian constants, they're
* byte-swapped from the normal display order. */
#define GPT_ENT_TYPE_UNUSED \
{{{0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}}}}
/* Hey, that one's right regardless of endianness... */
#define GPT_ENT_TYPE_EFI \
{{{0x28732ac1,0x1ff8,0xd211,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}}}}
/* c12a7328-f81f-11d2-ba4b-00a0c93ec93b */
#define GPT_ENT_TYPE_CHROMEOS_KERNEL \
{{{0xfe3a2a5d,0x4f32,0x41a7,0xb7,0x25,{0xac,0xcc,0x32,0x85,0xa3,0x09}}}}
{{{0x5d2a3afe,0x324f,0xa741,0xb7,0x25,{0xac,0xcc,0x32,0x85,0xa3,0x09}}}}
/* FE3A2A5D-4F32-41A7-B725-ACCC3285A309 */
#define GPT_ENT_TYPE_CHROMEOS_ROOTFS \
{{{0x3cb8e202,0x3b7e,0x47dd,0x8a,0x3c,{0x7f,0xf2,0xa1,0x3c,0xfc,0xec}}}}
{{{0x02e2b83c,0x7e3b,0xdd47,0x8a,0x3c,{0x7f,0xf2,0xa1,0x3c,0xfc,0xec}}}}
/* 3CB8E202-3B7E-47DD-8A3C-7FF2A13CFCEC */
#define GPT_ENT_TYPE_CHROMEOS_RESERVED \
{{{0x2e0a753d,0x9e48,0x43b0,0x83,0x37,{0xb1,0x51,0x92,0xcb,0x1b,0x5e}}}}
{{{0x3d750a2e,0x489e,0xb043,0x83,0x37,{0xb1,0x51,0x92,0xcb,0x1b,0x5e}}}}
/* 2e0a753d-9e48-43b0-8337-b15192cb1b5e */
#define UUID_NODE_LEN 6
#define GUID_SIZE 16
@@ -69,7 +86,7 @@ typedef struct {
uint32_t number_of_entries;
uint32_t size_of_entry;
uint32_t entries_crc32;
uint32_t padding; /* since header size must be a multiple of 8, pad here. */
uint8_t padding[512 - 92]; /* Pad to end of sector */
} GptHeader;
/* GPT partition entry defines the starting and ending LBAs of a partition.