From 2b59a07c543e3a759f66d37090bd2f1906704ef7 Mon Sep 17 00:00:00 2001 From: Randall Spangler Date: Thu, 24 Feb 2011 11:17:24 -0800 Subject: [PATCH] Add flashmap base address 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 --- host/lib/crossystem.c | 3 +++ utility/crossystem_main.c | 1 + 2 files changed, 4 insertions(+) diff --git a/host/lib/crossystem.c b/host/lib/crossystem.c index 692eb612b1..70f39ddb2f 100644 --- a/host/lib/crossystem.c +++ b/host/lib/crossystem.c @@ -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: diff --git a/utility/crossystem_main.c b/utility/crossystem_main.c index 23a9779dea..acf39e28ce 100644 --- a/utility/crossystem_main.c +++ b/utility/crossystem_main.c @@ -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"},