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authorFrancis Rowe <info@gluglug.org.uk>2014-12-26 15:05:58 (EST)
committer Francis Rowe <info@gluglug.org.uk>2014-12-26 15:05:58 (EST)
commit4f2bbba7b75e96a13ac26cad501f78dbe894ba4a (patch)
treee4c4dec7184426ccf2ffa2e0bcf25bf8dc287186
parente6cde45609eecb4306bc0ac35fed0bbd24191c82 (diff)
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ich9deblob: gbe struct: words 30-3E (PXE Software Region)
-rw-r--r--resources/utilities/ich9deblob/src/gbe/gbe.h94
1 files changed, 92 insertions, 2 deletions
diff --git a/resources/utilities/ich9deblob/src/gbe/gbe.h b/resources/utilities/ich9deblob/src/gbe/gbe.h
index fdf855d..0a9b114 100644
--- a/resources/utilities/ich9deblob/src/gbe/gbe.h
+++ b/resources/utilities/ich9deblob/src/gbe/gbe.h
@@ -76,7 +76,7 @@
struct GBE_RESERVED_WORD_03H {
/* least significant bits */
- unsigned char reserved1_0 : 8; /* bits should all be set to zero */
+ unsigned char reserved1_0 : 8; /* bits should all be set to zero */
unsigned char reserved1_1 : 3; /* ^ part of above. Separated so that the bitfields align */
unsigned char ibaLom : 1; /* set to 1 for intel boot agent to work (i.e. set it to 0) */
unsigned char reserved2 : 4; /* bits should all be set to zero */
@@ -200,6 +200,96 @@ struct LED_CTL_02 {
/* most significant bits */
};
+/* Word 30h */
+struct GBE_PXE_BOOT_AGENT_MAIN_SETUP_OPTIONS {
+ /* least significant bits */
+ unsigned char protocolSelect : 2; /* Default 00 binary (PXE) according to datasheet. 01 is reserved. 10/11 are undefined. deblobbed_descriptor.bin says 00 */
+ unsigned char reserved1 : 1; /* Reserved. deblobbed_descriptor.bin says 0 */
+ unsigned char defaultBootSelection : 2; /* deblobbed_descriptor.bin says 00 (binary). 00 is network boot, then local. 01 is local boot, then network. 10 is network boot only. 11 is local boot only */
+ unsigned char reserved2 : 1; /* Reserved. deblobbed_descriptor.bin says 0. */
+ unsigned char promptTime : 2; /* deblobbed_descriptor.bin says 00. delay for how long "press ctrl-s" setup prompt message appears. 00 = 2 secs, 01 is 3 secs, 10 is 5 secs, 11 is 0 secs. */
+ unsigned char displaySetupMessage : 1; /* default 1 says datasheet. deblobbed_descriptor.bin says 1. if 1, "ctrl-s" setup prompt message appears after the title message. */
+ unsigned char reserved3 : 1; /* Datasheet says to set 0. deblobbed_descriptor.bin says 0. */
+ unsigned char forceSpeed : 2; /* deblobbed_descriptor.bin says 00. 00 = auto-negotiate, 01 = 10Mbps, 10 = 100Mbps, 11 = "not allowed" */
+ unsigned char forceFullDuplex : 1; /* deblobbed_descriptor.bin says 0. Only relevant when bits 10/11 are set; if so, then: 0 = half duplex, 1 = full duplex */
+ unsigned char reserved4 : 1; /* Reserved. deblobbed_descriptor.bin says 0. datasheet recommends 0. */
+ unsigned char efiPresence : 1; /* 1 means that an EFI image is present (0 means not present). deblobbed_descriptor.bin says 0. if 1, eeprom word 33h (efi version) becomes valid. if pxePresent is 1, that means EFI and PXE are both present.*/
+ unsigned char pxePresence : 1; /* 0 means that a PXE image is present. 1 means to pxe present. deblobbed_descriptor.bin says 0. if 0, then word 32h (PXE version) in eeprom becomes valid */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Word 31h */
+struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_31H {
+ /* least significant bits */
+ unsigned char disableSetupMenu : 1; /* 1 means invoking setup menu with ctrl-s won't work. deblobbed_descriptor.bin says 0 (as is default, per datasheet) */
+ unsigned char disableTitleMessage : 1; /* 1 means that title in boot agent screen is suppressed, as is ctrl-s message. default is 0, and deblobbed_descriptor.bin says 0 */
+ unsigned char disableProtocolSelect : 1; /* 1 means no changes to boot protocol are allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ unsigned char disableBootSelection : 1; /* 1 means no changes in boot order option menu are allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ unsigned char disableLegacyWakeupSupport : 1; /* 1 means no changes in legacy wakeup support menu is allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ unsigned char disableFlashUpdate : 1; /* 1 means no changes to flash image using PROset is allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ unsigned char reserved1 : 2; /* Reserved. Datasheet says these must be 0, and deblobbed_descriptor.bin sets them to 0. */
+
+ /*
+ * deblobbed_descriptor says 000
+ * 000 = normal behaviour
+ * see datasheet (page 21) for other modes.
+ */
+ unsigned char ibaBootOrderSetupMode : 3;
+
+ unsigned char reserved2 : 3; /* Reserved. Datasheet says these must be set to 0, and deblobbed_descriptor.bin sets them to 0. */
+ unsigned char signature : 2; /* Must be set to 01 to indicate that this whole word has been configured by the agent or other software. deblobbed_descriptor.bin says 01. */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Word 32h */
+struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_32H {
+ /* least significant bits */
+ unsigned char buildNumber : 8; /* PXE boot agent build number. default is 28 (hex). deblobbed_descriptor.bin says 18 (hex) */
+ unsigned char minorVersionNumber : 4; /* PXE boot agent minor number. default is 2 (hex). deblobbed_descriptor.bin says 3 (hex) */
+ unsigned char majorVersionNumber : 4; /* PXE boot agent makor number. default is F (hex). deblobbed_descriptor.bin says 1 (hex) */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Word 33h */
+struct GBE_PXE_IBA_CAPABILITIES {
+ /* least significant bits */
+ unsigned char baseCodePresent : 1; /* 0 means PXE base code is indicated as being present. 1 (default) means not. deblobbed_descriptor.bin says 1 */
+ unsigned char undiCapabilityPresent : 1; /* 1 (default) means pxe/undi capability is indicated present. 0 means not present. deblobbed_descriptor.bin says 1 */
+ unsigned char reserved1 : 1; /* Reserved. Must be 1. deblobbed_descriptor.bin says 1 */
+ unsigned char efiUndiCapabilityPresent : 1; /* EFI UNDI capability present: 0 (default) means not present. 1 means present. deblobbed_descriptor.bin says 0 */
+ unsigned char reserved2_0 : 4; /* reserved. all bits must be 0. deblobbed_descriptor.bin sets them to 0. */
+ unsigned char reserved2_1 : 6; /* ^ part of reserved2_0. split this way so that the bitfields align */
+ unsigned char signature : 2; /* must be 01 to indicate that the word is configured by the agent or other software. deblobbed_descriptor.bin says 01 */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Words 30h to 3Eh */
+struct GBE_PXE_SOFTWARE_REGION {
+ struct GBE_PXE_BOOT_AGENT_MAIN_SETUP_OPTIONS bootAgentMainSetupOptions; /* Word 30h */
+ struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_31H bootAgentConfigurationCustomizationOptions31h; /* Word 31h */
+ struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_32H bootAgentConfigurationCustomizationOptions32h; /* Word 32h */
+ struct GBE_PXE_IBA_CAPABILITIES ibaCapabilities; /* Word 33h */
+
+ /* Words 34h to 3Eh (padding). Set these to 0xFFFF (according to deblobbed_descriptor.bin) */
+ unsigned short paddingWords34hTo3Eh[11];
+
+ /*
+ * the pxe software region is practically useless in libreboot, since
+ * libreboot does not include the intel boot agent (it's proprietary software).
+ *
+ * Having this struct in place is simply for documentations sake. It is completely
+ * irrelevant what you put here. filling it with 0xFFFF would probably be fine.
+ */
+};
+
struct GBEREGIONRECORD_4K {
unsigned char macAddress[6]; /* Word 00 to 02 */
struct GBE_RESERVED_WORD_03H reservedWord03h; /* Reserved word 03. */
@@ -307,7 +397,7 @@ struct GBEREGIONRECORD_4K {
unsigned short reservedWord22h; /* Word 22: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */
unsigned short reservedWord23h; /* Word 23: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */
unsigned short reservedWords24to2Fh[12]; /* Words 24-2F: Reserved. These should all be 0x0000 according to datasheet and deblobbed_descriptor.bin */
- unsigned short pxeSoftwareRegion[15];
+ struct GBE_PXE_SOFTWARE_REGION pxeSoftwareRegion; /* Words 30-3E: PXE Software Region */
unsigned short checkSum; /* when added to the sum of all words above, this should match GBECHECKSUMTOTAL */
unsigned char padding1[3968];
};