diff options
Diffstat (limited to 'ArmPlatformPkg')
| -rw-r--r-- | ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.c | 345 | ||||
| -rw-r--r-- | ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/PlatformIntelBdsLib.inf | 9 |
2 files changed, 354 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.c b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.c index 16c1d83089..598b0edb2f 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.c +++ b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.c @@ -1,6 +1,7 @@ /** @file
Implementation for PlatformBdsLib library class interfaces.
+ Copyright (C) 2015, Red Hat, Inc.
Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>
Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
@@ -14,11 +15,110 @@ **/
+#include <IndustryStandard/Pci22.h>
+#include <Library/DevicePathLib.h>
+#include <Library/PcdLib.h>
#include <Library/PlatformBdsLib.h>
#include <Library/QemuBootOrderLib.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/GraphicsOutput.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/PciRootBridgeIo.h>
#include "IntelBdsPlatform.h"
+#define DP_NODE_LEN(Type) { (UINT8)sizeof (Type), (UINT8)(sizeof (Type) >> 8) }
+
+
+#pragma pack (1)
+typedef struct {
+ VENDOR_DEVICE_PATH SerialDxe;
+ UART_DEVICE_PATH Uart;
+ VENDOR_DEFINED_DEVICE_PATH Vt100;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} PLATFORM_SERIAL_CONSOLE;
+#pragma pack ()
+
+#define SERIAL_DXE_FILE_GUID { \
+ 0xD3987D4B, 0x971A, 0x435F, \
+ { 0x8C, 0xAF, 0x49, 0x67, 0xEB, 0x62, 0x72, 0x41 } \
+ }
+
+STATIC PLATFORM_SERIAL_CONSOLE mSerialConsole = {
+ //
+ // VENDOR_DEVICE_PATH SerialDxe
+ //
+ {
+ { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DP_NODE_LEN (VENDOR_DEVICE_PATH) },
+ SERIAL_DXE_FILE_GUID
+ },
+
+ //
+ // UART_DEVICE_PATH Uart
+ //
+ {
+ { MESSAGING_DEVICE_PATH, MSG_UART_DP, DP_NODE_LEN (UART_DEVICE_PATH) },
+ 0, // Reserved
+ FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
+ FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
+ FixedPcdGet8 (PcdUartDefaultParity), // Parity
+ FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
+ },
+
+ //
+ // VENDOR_DEFINED_DEVICE_PATH Vt100
+ //
+ {
+ {
+ MESSAGING_DEVICE_PATH, MSG_VENDOR_DP,
+ DP_NODE_LEN (VENDOR_DEFINED_DEVICE_PATH)
+ },
+ EFI_VT_100_GUID
+ },
+
+ //
+ // EFI_DEVICE_PATH_PROTOCOL End
+ //
+ {
+ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)
+ }
+};
+
+
+#pragma pack (1)
+typedef struct {
+ USB_CLASS_DEVICE_PATH Keyboard;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} PLATFORM_USB_KEYBOARD;
+#pragma pack ()
+
+STATIC PLATFORM_USB_KEYBOARD mUsbKeyboard = {
+ //
+ // USB_CLASS_DEVICE_PATH Keyboard
+ //
+ {
+ {
+ MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP,
+ DP_NODE_LEN (USB_CLASS_DEVICE_PATH)
+ },
+ 0xFFFF, // VendorId: any
+ 0xFFFF, // ProductId: any
+ 3, // DeviceClass: HID
+ 1, // DeviceSubClass: boot
+ 1 // DeviceProtocol: keyboard
+ },
+
+ //
+ // EFI_DEVICE_PATH_PROTOCOL End
+ //
+ {
+ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)
+ }
+};
+
+
//
// BDS Platform Functions
//
@@ -35,6 +135,207 @@ PlatformBdsInit ( {
}
+
+/**
+ Check if the handle satisfies a particular condition.
+
+ @param[in] Handle The handle to check.
+ @param[in] ReportText A caller-allocated string passed in for reporting
+ purposes. It must never be NULL.
+
+ @retval TRUE The condition is satisfied.
+ @retval FALSE Otherwise. This includes the case when the condition could not
+ be fully evaluated due to an error.
+**/
+typedef
+BOOLEAN
+(EFIAPI *FILTER_FUNCTION) (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ );
+
+
+/**
+ Process a handle.
+
+ @param[in] Handle The handle to process.
+ @param[in] ReportText A caller-allocated string passed in for reporting
+ purposes. It must never be NULL.
+**/
+typedef
+VOID
+(EFIAPI *CALLBACK_FUNCTION) (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ );
+
+/**
+ Locate all handles that carry the specified protocol, filter them with a
+ callback function, and pass each handle that passes the filter to another
+ callback.
+
+ @param[in] ProtocolGuid The protocol to look for.
+
+ @param[in] Filter The filter function to pass each handle to. If this
+ parameter is NULL, then all handles are processed.
+
+ @param[in] Process The callback function to pass each handle to that
+ clears the filter.
+**/
+STATIC
+VOID
+FilterAndProcess (
+ IN EFI_GUID *ProtocolGuid,
+ IN FILTER_FUNCTION Filter OPTIONAL,
+ IN CALLBACK_FUNCTION Process
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE *Handles;
+ UINTN NoHandles;
+ UINTN Idx;
+
+ Status = gBS->LocateHandleBuffer (ByProtocol, ProtocolGuid,
+ NULL /* SearchKey */, &NoHandles, &Handles);
+ if (EFI_ERROR (Status)) {
+ //
+ // This is not an error, just an informative condition.
+ //
+ DEBUG ((EFI_D_VERBOSE, "%a: %g: %r\n", __FUNCTION__, ProtocolGuid,
+ Status));
+ return;
+ }
+
+ ASSERT (NoHandles > 0);
+ for (Idx = 0; Idx < NoHandles; ++Idx) {
+ CHAR16 *DevicePathText;
+ STATIC CHAR16 Fallback[] = L"<device path unavailable>";
+
+ //
+ // The ConvertDevicePathToText() function handles NULL input transparently.
+ //
+ DevicePathText = ConvertDevicePathToText (
+ DevicePathFromHandle (Handles[Idx]),
+ FALSE, // DisplayOnly
+ FALSE // AllowShortcuts
+ );
+ if (DevicePathText == NULL) {
+ DevicePathText = Fallback;
+ }
+
+ if (Filter == NULL || Filter (Handles[Idx], DevicePathText)) {
+ Process (Handles[Idx], DevicePathText);
+ }
+
+ if (DevicePathText != Fallback) {
+ FreePool (DevicePathText);
+ }
+ }
+ gBS->FreePool (Handles);
+}
+
+
+/**
+ This FILTER_FUNCTION checks if a handle corresponds to a PCI display device.
+**/
+STATIC
+BOOLEAN
+EFIAPI
+IsPciDisplay (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ PCI_TYPE00 Pci;
+
+ Status = gBS->HandleProtocol (Handle, &gEfiPciIoProtocolGuid,
+ (VOID**)&PciIo);
+ if (EFI_ERROR (Status)) {
+ //
+ // This is not an error worth reporting.
+ //
+ return FALSE;
+ }
+
+ Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0 /* Offset */,
+ sizeof Pci / sizeof (UINT32), &Pci);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: %r\n", __FUNCTION__, ReportText, Status));
+ return FALSE;
+ }
+
+ return IS_PCI_DISPLAY (&Pci);
+}
+
+
+/**
+ This CALLBACK_FUNCTION attempts to connect a handle non-recursively, asking
+ the matching driver to produce all first-level child handles.
+**/
+STATIC
+VOID
+EFIAPI
+Connect (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->ConnectController (
+ Handle, // ControllerHandle
+ NULL, // DriverImageHandle
+ NULL, // RemainingDevicePath -- produce all children
+ FALSE // Recursive
+ );
+ DEBUG ((EFI_ERROR (Status) ? EFI_D_ERROR : EFI_D_VERBOSE, "%a: %s: %r\n",
+ __FUNCTION__, ReportText, Status));
+}
+
+
+/**
+ This CALLBACK_FUNCTION retrieves the EFI_DEVICE_PATH_PROTOCOL from the
+ handle, and adds it to ConOut and ErrOut.
+**/
+STATIC
+VOID
+EFIAPI
+AddOutput (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ DevicePath = DevicePathFromHandle (Handle);
+ if (DevicePath == NULL) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: handle %p: device path not found\n",
+ __FUNCTION__, ReportText, Handle));
+ return;
+ }
+
+ Status = BdsLibUpdateConsoleVariable (L"ConOut", DevicePath, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: adding to ConOut: %r\n", __FUNCTION__,
+ ReportText, Status));
+ return;
+ }
+
+ Status = BdsLibUpdateConsoleVariable (L"ErrOut", DevicePath, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: adding to ErrOut: %r\n", __FUNCTION__,
+ ReportText, Status));
+ return;
+ }
+
+ DEBUG ((EFI_D_VERBOSE, "%a: %s: added to ConOut and ErrOut\n", __FUNCTION__,
+ ReportText));
+}
+
+
/**
The function will execute with as the platform policy, current policy
is driven by boot mode. IBV/OEM can customize this code for their specific
@@ -55,6 +356,50 @@ PlatformBdsPolicyBehavior ( IN BASEM_MEMORY_TEST BaseMemoryTest
)
{
+ //
+ // Locate the PCI root bridges and make the PCI bus driver connect each,
+ // non-recursively. This will produce a number of child handles with PciIo on
+ // them.
+ //
+ FilterAndProcess (&gEfiPciRootBridgeIoProtocolGuid, NULL, Connect);
+
+ //
+ // Find all display class PCI devices (using the handles from the previous
+ // step), and connect them non-recursively. This should produce a number of
+ // child handles with GOPs on them.
+ //
+ FilterAndProcess (&gEfiPciIoProtocolGuid, IsPciDisplay, Connect);
+
+ //
+ // Now add the device path of all handles with GOP on them to ConOut and
+ // ErrOut.
+ //
+ FilterAndProcess (&gEfiGraphicsOutputProtocolGuid, NULL, AddOutput);
+
+ //
+ // Add the hardcoded short-form USB keyboard device path to ConIn.
+ //
+ BdsLibUpdateConsoleVariable (L"ConIn",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);
+
+ //
+ // Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.
+ //
+ BdsLibUpdateConsoleVariable (L"ConIn",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
+ BdsLibUpdateConsoleVariable (L"ConOut",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
+ BdsLibUpdateConsoleVariable (L"ErrOut",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
+
+ //
+ // Connect the consoles based on the above variables.
+ //
+ BdsLibConnectAllDefaultConsoles ();
+
+ //
+ // Connect the rest of the devices.
+ //
BdsLibConnectAll ();
//
diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/PlatformIntelBdsLib.inf b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/PlatformIntelBdsLib.inf index c4e5d609ab..c9c5e6f2c7 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/PlatformIntelBdsLib.inf +++ b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/PlatformIntelBdsLib.inf @@ -1,6 +1,7 @@ ## @file
# Implementation for PlatformBdsLib library class interfaces.
#
+# Copyright (C) 2015, Red Hat, Inc.
# Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>
# Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
#
@@ -53,6 +54,12 @@ UefiBootServicesTableLib
UefiRuntimeServicesTableLib
+[FixedPcd]
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits
+
[Guids]
gEfiFileInfoGuid
gEfiFileSystemInfoGuid
@@ -60,5 +67,7 @@ [Protocols]
gEfiDevicePathProtocolGuid
+ gEfiGraphicsOutputProtocolGuid
gEfiLoadedImageProtocolGuid
+ gEfiPciRootBridgeIoProtocolGuid
gEfiSimpleFileSystemProtocolGuid
|