--- /dev/null
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Entry-type module for BSS padding for spl/u-boot-spl.bin. This padding
+# can be added after the SPL binary to ensure that anything concatenated
+# to it will appear to SPL to be at the end of BSS rather than the start.
+#
+
+import command
+from entry import Entry
+from blob import Entry_blob
+import tools
+
+class Entry_u_boot_spl_bss_pad(Entry_blob):
+ def __init__(self, image, etype, node):
+ Entry_blob.__init__(self, image, etype, node)
+
+ def ObtainContents(self):
+ fname = tools.GetInputFilename('spl/u-boot-spl')
+ args = [['nm', fname], ['grep', '__bss_size']]
+ out = command.RunPipe(args, capture=True).stdout.splitlines()
+ bss_size = int(out[0].split()[0], 16)
+ self.data = chr(0) * bss_size
+ self.contents_size = bss_size
--- /dev/null
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Entry-type module for an SPL binary with an embedded microcode pointer
+#
+
+import struct
+
+import command
+from entry import Entry
+from blob import Entry_blob
+from u_boot_with_ucode_ptr import Entry_u_boot_with_ucode_ptr
+import tools
+
+class Entry_u_boot_spl_with_ucode_ptr(Entry_u_boot_with_ucode_ptr):
+ """U-Boot SPL with embedded microcode pointer
+
+ See Entry_u_boot_ucode for full details of the entries involved in this
+ process.
+ """
+ def __init__(self, image, etype, node):
+ Entry_blob.__init__(self, image, etype, node)
+ self.elf_fname = 'spl/u-boot-spl'
+
+ def GetDefaultFilename(self):
+ return 'spl/u-boot-spl.bin'
self.assertEqual('nodtb with microcode' + pos_and_size +
' somewhere in here', first)
+ def testPackUbootSingleMicrocode(self):
+ """Test that x86 microcode can be handled correctly with fdt_normal.
+ """
+ self._RunPackUbootSingleMicrocode(False)
+
+ def testPackUbootSingleMicrocodeFallback(self):
+ """Test that x86 microcode can be handled correctly with fdt_fallback.
+
+ This only supports collating the microcode.
+ """
+ try:
+ old_val = fdt_select.UseFallback(True)
+ self._RunPackUbootSingleMicrocode(True)
+ finally:
+ fdt_select.UseFallback(old_val)
+
def testUBootImg(self):
"""Test that u-boot.img can be put in a file"""
data = self._DoReadFile('36_u_boot_img.dts')
self.assertEqual(U_BOOT_IMG_DATA, data)
+
+ def testNoMicrocode(self):
+ """Test that a missing microcode region is detected"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('37_x86_no_ucode.dts', True)
+ self.assertIn("Node '/binman/u-boot-dtb-with-ucode': No /microcode "
+ "node found in ", str(e.exception))
+
+ def testMicrocodeWithoutNode(self):
+ """Test that a missing u-boot-dtb-with-ucode node is detected"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('38_x86_ucode_missing_node.dts', True)
+ self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find "
+ "microcode region u-boot-dtb-with-ucode", str(e.exception))
+
+ def testMicrocodeWithoutNode2(self):
+ """Test that a missing u-boot-ucode node is detected"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('39_x86_ucode_missing_node2.dts', True)
+ self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find "
+ "microcode region u-boot-ucode", str(e.exception))
+
+ def testMicrocodeWithoutPtrInElf(self):
+ """Test that a U-Boot binary without the microcode symbol is detected"""
+ # ELF file without a '_dt_ucode_base_size' symbol
+ if not fdt_select.have_libfdt:
+ return
+ try:
+ with open(self.TestFile('u_boot_no_ucode_ptr')) as fd:
+ TestFunctional._MakeInputFile('u-boot', fd.read())
+
+ with self.assertRaises(ValueError) as e:
+ self._RunPackUbootSingleMicrocode(False)
+ self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot locate "
+ "_dt_ucode_base_size symbol in u-boot", str(e.exception))
+
+ finally:
+ # Put the original file back
+ with open(self.TestFile('u_boot_ucode_ptr')) as fd:
+ TestFunctional._MakeInputFile('u-boot', fd.read())
+
+ def testMicrocodeNotInImage(self):
+ """Test that microcode must be placed within the image"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('40_x86_ucode_not_in_image.dts', True)
+ self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Microcode "
+ "pointer _dt_ucode_base_size at fffffe14 is outside the "
+ "image ranging from 00000000 to 0000002e", str(e.exception))
+
+ def testWithoutMicrocode(self):
+ """Test that we can cope with an image without microcode (e.g. qemu)"""
+ with open(self.TestFile('u_boot_no_ucode_ptr')) as fd:
+ TestFunctional._MakeInputFile('u-boot', fd.read())
+ data, dtb = self._DoReadFileDtb('44_x86_optional_ucode.dts', True)
+
+ # Now check the device tree has no microcode
+ self.assertEqual(U_BOOT_NODTB_DATA, data[:len(U_BOOT_NODTB_DATA)])
+ second = data[len(U_BOOT_NODTB_DATA):]
+
+ fdt_len = self.GetFdtLen(second)
+ self.assertEqual(dtb, second[:fdt_len])
+
+ used_len = len(U_BOOT_NODTB_DATA) + fdt_len
+ third = data[used_len:]
+ self.assertEqual(chr(0) * (0x200 - used_len), third)
+
+ def testUnknownPosSize(self):
+ """Test that microcode must be placed within the image"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('41_unknown_pos_size.dts', True)
+ self.assertIn("Image '/binman': Unable to set pos/size for unknown "
+ "entry 'invalid-entry'", str(e.exception))
projects / u-boot / commitdiff