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Add flashmap base address

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Change-Id: If2106cbde445edc0970862a06d3837d2e466d9ef

BUG=chrome-os-partner:2487
TEST=manual

From a root shell, type: crossystem fmap_base
Should match the contents of /sys/devices/platform/chromeos_acpi/FMAP
(note that you need a new BIOS >0049 to get one that supports FMAP)

Review URL: http://codereview.chromium.org/6580037
This commit is contained in:
Randall Spangler
2011-02-24 11:17:24 -08:00
parent efa40aa21d
commit 2b59a07c54
2 changed files with 4 additions and 0 deletions
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3
host/lib/crossystem.c
View File

@@ -61,6 +61,7 @@
#define ACPI_BINF_PATH ACPI_BASE_PATH "/BINF"
#define ACPI_CHNV_PATH ACPI_BASE_PATH "/CHNV"
#define ACPI_CHSW_PATH ACPI_BASE_PATH "/CHSW"
#define ACPI_FMAP_PATH ACPI_BASE_PATH "/FMAP"
#define ACPI_GPIO_PATH ACPI_BASE_PATH "/GPIO"
/* Base name for GPIO files */
@@ -395,6 +396,8 @@ int VbGetSystemPropertyInt(const char* name) {
/* Other parameters */
else if (!strcasecmp(name,"recovery_reason")) {
return VbGetRecoveryReason();
} else if (!strcasecmp(name,"fmap_base")) {
value = ReadFileInt(ACPI_FMAP_PATH);
}
/* TODO: implement the following properties:

1
utility/crossystem_main.c
View File

@@ -31,6 +31,7 @@ const Param sys_param_list[] = {
{"recovery_reason", 0, 0, "Recovery mode reason for current boot"},
{"savedmem_base", 0, 0, "RAM debug data area physical address"},
{"savedmem_size", 0, 0, "RAM debug data area size in bytes"},
{"fmap_base", 0, 0, "Main firmware flashmap physical address"},
/* Read-only strings */
{"hwid", 1, 0, "Hardware ID"},
{"fwid", 1, 0, "Active firmware ID"},