Add a test for this feature. It allows SPL to hold a pointer to the microcode block. This is used for 64-bit U-Boot on x86.
Signed-off-by: Simon Glass sjg@chromium.org ---
tools/binman/etype/u_boot_spl_with_ucode_ptr.py | 2 +- tools/binman/ftest.py | 84 ++++++++++++++++--------- tools/binman/test/49_x86_ucode_spl.dts | 29 +++++++++ 3 files changed, 84 insertions(+), 31 deletions(-) create mode 100644 tools/binman/test/49_x86_ucode_spl.dts
diff --git a/tools/binman/etype/u_boot_spl_with_ucode_ptr.py b/tools/binman/etype/u_boot_spl_with_ucode_ptr.py index 1c6706df6db..7b25ccb0488 100644 --- a/tools/binman/etype/u_boot_spl_with_ucode_ptr.py +++ b/tools/binman/etype/u_boot_spl_with_ucode_ptr.py @@ -25,4 +25,4 @@ class Entry_u_boot_spl_with_ucode_ptr(Entry_u_boot_with_ucode_ptr): self.elf_fname = 'spl/u-boot-spl'
def GetDefaultFilename(self): - return 'spl/u-boot-spl.bin' + return 'spl/u-boot-spl-nodtb.bin' diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py index c381a700311..dff7448f08f 100644 --- a/tools/binman/ftest.py +++ b/tools/binman/ftest.py @@ -26,19 +26,20 @@ import tools import tout
# Contents of test files, corresponding to different entry types -U_BOOT_DATA = '1234' -U_BOOT_IMG_DATA = 'img' -U_BOOT_SPL_DATA = '567' -BLOB_DATA = '89' -ME_DATA = '0abcd' -VGA_DATA = 'vga' -U_BOOT_DTB_DATA = 'udtb' -X86_START16_DATA = 'start16' -X86_START16_SPL_DATA = 'start16spl' -U_BOOT_NODTB_DATA = 'nodtb with microcode pointer somewhere in here' -FSP_DATA = 'fsp' -CMC_DATA = 'cmc' -VBT_DATA = 'vbt' +U_BOOT_DATA = '1234' +U_BOOT_IMG_DATA = 'img' +U_BOOT_SPL_DATA = '567' +BLOB_DATA = '89' +ME_DATA = '0abcd' +VGA_DATA = 'vga' +U_BOOT_DTB_DATA = 'udtb' +X86_START16_DATA = 'start16' +X86_START16_SPL_DATA = 'start16spl' +U_BOOT_NODTB_DATA = 'nodtb with microcode pointer somewhere in here' +U_BOOT_SPL_NODTB_DATA = 'splnodtb with microcode pointer somewhere in here' +FSP_DATA = 'fsp' +CMC_DATA = 'cmc' +VBT_DATA = 'vbt'
class TestFunctional(unittest.TestCase): """Functional tests for binman @@ -78,6 +79,8 @@ class TestFunctional(unittest.TestCase): TestFunctional._MakeInputFile('spl/u-boot-x86-16bit-spl.bin', X86_START16_SPL_DATA) TestFunctional._MakeInputFile('u-boot-nodtb.bin', U_BOOT_NODTB_DATA) + TestFunctional._MakeInputFile('spl/u-boot-spl-nodtb.bin', + U_BOOT_SPL_NODTB_DATA) TestFunctional._MakeInputFile('fsp.bin', FSP_DATA) TestFunctional._MakeInputFile('cmc.bin', CMC_DATA) TestFunctional._MakeInputFile('vbt.bin', VBT_DATA) @@ -91,10 +94,6 @@ class TestFunctional(unittest.TestCase): with open(self.TestFile('descriptor.bin')) as fd: TestFunctional._MakeInputFile('descriptor.bin', fd.read())
- # ELF file with a '__bss_size' symbol - with open(self.TestFile('bss_data')) as fd: - TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read()) - @classmethod def tearDownClass(self): """Remove the temporary input directory and its contents""" @@ -653,19 +652,11 @@ class TestFunctional(unittest.TestCase): data = self._DoReadFile('33_x86-start16.dts') self.assertEqual(X86_START16_DATA, data[:len(X86_START16_DATA)])
- def testPackUbootMicrocode(self): - """Test that x86 microcode can be handled correctly - - We expect to see the following in the image, in order: - u-boot-nodtb.bin with a microcode pointer inserted at the correct - place - u-boot.dtb with the microcode removed - the microcode - """ - data = self._DoReadFile('34_x86_ucode.dts', True) + def _RunMicrocodeTest(self, dts_fname, nodtb_data): + data = self._DoReadFile(dts_fname, True)
# Now check the device tree has no microcode - second = data[len(U_BOOT_NODTB_DATA):] + second = data[len(nodtb_data):] fname = tools.GetOutputFilename('test.dtb') with open(fname, 'wb') as fd: fd.write(second) @@ -684,13 +675,26 @@ class TestFunctional(unittest.TestCase): ucode_data = struct.pack('>4L', 0x12345678, 0x12345679, 0xabcd0000, 0x78235609) self.assertEqual(ucode_data, third[:len(ucode_data)]) - ucode_pos = len(U_BOOT_NODTB_DATA) + fdt_len + ucode_pos = len(nodtb_data) + fdt_len
# Check that the microcode pointer was inserted. It should match the # expected position and size pos_and_size = struct.pack('<2L', 0xfffffe00 + ucode_pos, len(ucode_data)) - first = data[:len(U_BOOT_NODTB_DATA)] + first = data[:len(nodtb_data)] + return first, pos_and_size + + def testPackUbootMicrocode(self): + """Test that x86 microcode can be handled correctly + + We expect to see the following in the image, in order: + u-boot-nodtb.bin with a microcode pointer inserted at the correct + place + u-boot.dtb with the microcode removed + the microcode + """ + first, pos_and_size = self._RunMicrocodeTest('34_x86_ucode.dts', + U_BOOT_NODTB_DATA) self.assertEqual('nodtb with microcode' + pos_and_size + ' somewhere in here', first)
@@ -823,6 +827,9 @@ class TestFunctional(unittest.TestCase):
def testSplBssPad(self): """Test that we can pad SPL's BSS with zeros""" + # ELF file with a '__bss_size' symbol + with open(self.TestFile('bss_data')) as fd: + TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read()) data = self._DoReadFile('47_spl_bss_pad.dts') self.assertEqual(U_BOOT_SPL_DATA + (chr(0) * 10) + U_BOOT_DATA, data)
@@ -831,6 +838,23 @@ class TestFunctional(unittest.TestCase): data = self._DoReadFile('48_x86-start16-spl.dts') self.assertEqual(X86_START16_SPL_DATA, data[:len(X86_START16_SPL_DATA)])
+ def testPackUbootSplMicrocode(self): + """Test that x86 microcode can be handled correctly in SPL + + We expect to see the following in the image, in order: + u-boot-spl-nodtb.bin with a microcode pointer inserted at the + correct place + u-boot.dtb with the microcode removed + the microcode + """ + # ELF file with a '_dt_ucode_base_size' symbol + with open(self.TestFile('u_boot_ucode_ptr')) as fd: + TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read()) + first, pos_and_size = self._RunMicrocodeTest('49_x86_ucode_spl.dts', + U_BOOT_SPL_NODTB_DATA) + self.assertEqual('splnodtb with microc' + pos_and_size + + 'ter somewhere in here', first) +
if __name__ == "__main__": unittest.main() diff --git a/tools/binman/test/49_x86_ucode_spl.dts b/tools/binman/test/49_x86_ucode_spl.dts new file mode 100644 index 00000000000..67db93ad502 --- /dev/null +++ b/tools/binman/test/49_x86_ucode_spl.dts @@ -0,0 +1,29 @@ +/dts-v1/; + +/ { + #address-cells = <1>; + #size-cells = <1>; + + binman { + sort-by-pos; + end-at-4gb; + size = <0x200>; + u-boot-spl-with-ucode-ptr { + }; + + u-boot-dtb-with-ucode { + }; + + u-boot-ucode { + }; + }; + + microcode { + update@0 { + data = <0x12345678 0x12345679>; + }; + update@1 { + data = <0xabcd0000 0x78235609>; + }; + }; +};