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Introduce GUID type for Chrome OS read/write firmware.

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This change teaches cgpt a new GUID type to be used for the Chrome OS
read/write firmware. The GUID is CAB6E88E-ABF3-4102-A07A-D4BB9BE3C1D3.

BUG=chrome-os-partner:4843
TEST=Built and installed on my host, used a separate change to repurpose
partition 11 for the R/W firmware using cgpt and the "firmware" type, inspected
the image using cgpt. Built and installed an image and used cgpt on the device
to inspect it's GPT.

Signed-off-by: Gabe Black <gabeblack@google.com>

Change-Id: I3b2801b2e1f71b3275bbddbc45fb63bde5bce5a7
Reviewed-on: http://gerrit.chromium.org/gerrit/3763
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
This commit is contained in:
Gabe Black
2011-07-07 16:00:00 -07:00
parent ebb1eda9bb
commit 93cf15e9a1
3 changed files with 5 additions and 0 deletions
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1
cgpt/cgpt.h
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@@ -76,6 +76,7 @@ int GuidEqual(const Guid *guid1, const Guid *guid2);
int IsZero(const Guid *guid); int IsZero(const Guid *guid);
/* Constant global type values to compare against */ /* Constant global type values to compare against */
extern const Guid guid_chromeos_firmware;
extern const Guid guid_chromeos_kernel; extern const Guid guid_chromeos_kernel;
extern const Guid guid_chromeos_rootfs; extern const Guid guid_chromeos_rootfs;
extern const Guid guid_linux_data; extern const Guid guid_linux_data;

2
cgpt/cgpt_common.c
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@@ -558,6 +558,7 @@ int UTF8ToUTF16(const uint8_t *utf8, uint16_t *utf16, unsigned int maxoutput)
} }
/* global types to compare against */ /* global types to compare against */
const Guid guid_chromeos_firmware = GPT_ENT_TYPE_CHROMEOS_FIRMWARE;
const Guid guid_chromeos_kernel = GPT_ENT_TYPE_CHROMEOS_KERNEL; const Guid guid_chromeos_kernel = GPT_ENT_TYPE_CHROMEOS_KERNEL;
const Guid guid_chromeos_rootfs = GPT_ENT_TYPE_CHROMEOS_ROOTFS; const Guid guid_chromeos_rootfs = GPT_ENT_TYPE_CHROMEOS_ROOTFS;
const Guid guid_linux_data = GPT_ENT_TYPE_LINUX_DATA; const Guid guid_linux_data = GPT_ENT_TYPE_LINUX_DATA;
@@ -570,6 +571,7 @@ static struct {
char *name; char *name;
char *description; char *description;
} supported_types[] = { } supported_types[] = {
{&guid_chromeos_firmware, "firmware", "ChromeOS firmware"},
{&guid_chromeos_kernel, "kernel", "ChromeOS kernel"}, {&guid_chromeos_kernel, "kernel", "ChromeOS kernel"},
{&guid_chromeos_rootfs, "rootfs", "ChromeOS rootfs"}, {&guid_chromeos_rootfs, "rootfs", "ChromeOS rootfs"},
{&guid_linux_data, "data", "Linux data"}, {&guid_linux_data, "data", "Linux data"},

2
firmware/lib/cgptlib/include/gpt.h
View File

@@ -30,6 +30,8 @@ __pragma(pack(push,1)) /* Support packing for MSVC. */
{{{0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}}}} {{{0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}}}}
#define GPT_ENT_TYPE_EFI \ #define GPT_ENT_TYPE_EFI \
{{{0xc12a7328,0xf81f,0x11d2,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}}}} {{{0xc12a7328,0xf81f,0x11d2,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}}}}
#define GPT_ENT_TYPE_CHROMEOS_FIRMWARE \
{{{0xcab6e88e,0xabf3,0x4102,0xa0,0x7a,{0xd4,0xbb,0x9b,0xe3,0xc1,0xd3}}}}
#define GPT_ENT_TYPE_CHROMEOS_KERNEL \ #define GPT_ENT_TYPE_CHROMEOS_KERNEL \
{{{0xfe3a2a5d,0x4f32,0x41a7,0xb7,0x25,{0xac,0xcc,0x32,0x85,0xa3,0x09}}}} {{{0xfe3a2a5d,0x4f32,0x41a7,0xb7,0x25,{0xac,0xcc,0x32,0x85,0xa3,0x09}}}}
#define GPT_ENT_TYPE_CHROMEOS_ROOTFS \ #define GPT_ENT_TYPE_CHROMEOS_ROOTFS \