Zheng Bao ([email protected]) just uploaded a new patch set to gerrit, which 
you can find at http://review.coreboot.org/1417

-gerrit

commit de4fca50f4fbb1ecf5113a6eade6278a97148c8a
Author: zbao <[email protected]>
Date:   Wed Aug 8 12:33:58 2012 +0800

    AMD Hudson: Move the combining firmware from Python to Makefile
    
    Maybe sooner or later python is not a default tools to build coreboot.
    Most of the work is done by awk now. GNU extension of gawk is not used, 
isn't?
    cat, awk, test, mv are the external tools.
    If XHCI or IMC firmware is not available and not defined, this script can 
skip
    integrating them.
    
    Change-Id: I9944b22b0b755672a46d472c355d138abafd6393
    Signed-off-by: Zheng Bao <[email protected]>
    Signed-off-by: zbao <[email protected]>
---
 src/southbridge/amd/agesa/hudson/Makefile.inc  |   34 ++++++++++++-
 src/southbridge/amd/agesa/hudson/hudson_fwm.py |   64 ------------------------
 2 files changed, 32 insertions(+), 66 deletions(-)

diff --git a/src/southbridge/amd/agesa/hudson/Makefile.inc 
b/src/southbridge/amd/agesa/hudson/Makefile.inc
index 19ffae1..808a3ea 100644
--- a/src/southbridge/amd/agesa/hudson/Makefile.inc
+++ b/src/southbridge/amd/agesa/hudson/Makefile.inc
@@ -14,8 +14,38 @@ romstage-y += early_setup.c
 
 ramstage-$(CONFIG_HAVE_ACPI_RESUME) += spi.c
 
-$(obj)/hudson.bin:
-       python $(src)/southbridge/amd/agesa/hudson/hudson_fwm.py 
$(CONFIG_HUDSON_FWM_POSITION) $@ $(CONFIG_HUDSON_XHCI_FWM_FILE) 
$(CONFIG_HUDSON_IMC_FWM_FILE) ""
+$(obj)/hudson.bin: $(top)/$(strip $(patsubst "%", %, 
$(CONFIG_HUDSON_XHCI_FWM_FILE))) \
+                       $(top)/$(strip $(patsubst "%", %, 
$(CONFIG_HUDSON_IMC_FWM_FILE)))
+       echo "    Hudson FW  $@"
+       echo $(CONFIG_HUDSON_FWM_POSITION) | LC_ALL=C awk ' \
+       function cbstrtonum(str,    n,ret,i,c,k) \
+       { \
+               str = substr(str, 3); \
+               n = length(str); \
+               ret = 0; \
+               for (i = 1; i <= n; i++) { \
+                       c = substr(str, i, 1); \
+                       c = tolower(c); \
+                       k = index("123456789abcdef", c); \
+                       ret = ret * 16 + k; \
+               } \
+               return ret; \
+       } \
+       function print_raw_32bit(number) \
+       { \
+               printf ("%c%c%c%c", number % 0x100, number/0x100 % 0x100, 
number/0x10000 % 0x100, number/0x1000000); \
+       } \
+       { #main \
+               print_raw_32bit(0x55AA55AA) \
+               print_raw_32bit(cbstrtonum($$1) + 65536) #imc \
+               print_raw_32bit(0)  #gec \
+               print_raw_32bit(cbstrtonum($$1) + 16) #xhci \
+       }' >  [email protected]
+       [ -z $(CONFIG_HUDSON_XHCI_FWM_FILE) ] || cat 
$(CONFIG_HUDSON_XHCI_FWM_FILE) >> [email protected]
+       ls -l [email protected] | awk '{ print $$5 }' | LC_ALL=C awk '{for (i=$$1; 
i<65536; i++) {printf "%c", 255}}' >> [email protected] # fill stub
+       [ -z $(CONFIG_HUDSON_IMC_FWM_FILE) ] || cat 
$(CONFIG_HUDSON_IMC_FWM_FILE) >> [email protected]
+       #TODO: GEC
+       mv -f [email protected] $@
 
 ifeq ($(CONFIG_HUDSON_FWM), y)
 cbfs-files-y += hudson/fwm
diff --git a/src/southbridge/amd/agesa/hudson/hudson_fwm.py 
b/src/southbridge/amd/agesa/hudson/hudson_fwm.py
deleted file mode 100644
index ad60b3b..0000000
--- a/src/southbridge/amd/agesa/hudson/hudson_fwm.py
+++ /dev/null
@@ -1,64 +0,0 @@
-import sys, os, re
-import struct
-from Queue import Queue
-
-def main(start_addr, file_name, xhci_name, imc_name, gec_name):
-       fwm_sig         = 0x55AA55AA # Hudson-2/3/4 firmware signature
-       fwm_header_len  = 0x10       # 55AA55AA, imc_off, gec_off, xhci_off
-
-       if not os.path.exists(xhci_name):
-               print "XHCI firmware %s does not exist\n" % xhci_name
-               sys.exit(1)
-       if not os.path.exists(imc_name):
-               print "IMC firmware %s does not exist\n" % imc_name
-               sys.exit(1)
-
-       f = open(file_name, "w")
-       print "write to file " + file_name
-
-       imc_offset      = 0x10000 # 64K Bytes offset, hardcoded
-       imc_addr        = start_addr + imc_offset; #startaddr + 0x10000
-       gec_offset      = 0 #TODO
-       gec_addr        = 0 #TODO
-       xhci_addr       = start_addr + fwm_header_len #ROMSIG take 0x10 bytes
-
-       format="I" # one unsigned integer
-       data=struct.pack(format, fwm_sig)
-       f.write(data)
-       data=struct.pack(format, imc_addr)
-       f.write(data)
-       data=struct.pack(format, gec_addr)
-       f.write(data)
-       data=struct.pack(format, xhci_addr)
-       f.write(data)
-
-       fwm_content = open(xhci_name).read()
-       f.write(fwm_content)
-
-       imc_content = open(imc_name).read()
-       f.seek(0)
-       f.seek(imc_offset)
-       f.write(imc_content)
-#      if os.path.exists(gec_name):
-#              gec_conent = open(gec_name).read()
-#              f.seek(0)
-#              f.seek(gec_offset)
-#              f.write(gec_content)
-
-       f.close()
-       print "done\n"
-
-
-if __name__ == '__main__':
-       if (len(sys.argv) < 6):
-               print "\nUsage: %s <rom_addr> <rom_file> <xhci_rom> <imc_rom> 
<gec_rom>\n" % sys.argv[0]
-               print "Example: %s 0xFFF20000 hudson.bin xhci.bin imc.bin 
gec.bin\n" % sys.argv[0]
-               sys.exit(1)
-       rom_addr = int(sys.argv[1], 16)
-       rom_file = sys.argv[2]
-       xhci_file = sys.argv[3]
-       imc_file = sys.argv[4]
-       gec_file = sys.argv[5]
-       print "%x %s %s %s %s" % (rom_addr, rom_file, xhci_file, imc_file, 
gec_file)
-
-       main(rom_addr, rom_file, xhci_file, imc_file, gec_file)

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