view src/gpf/ccd/ccddata.mk @ 220:0ed36de51973

ABB semaphore protection overhaul The ABB semaphone protection logic that came with TCS211 from TI was broken in several ways: * Some semaphore-protected functions were called from Application_Initialize() context. NU_Obtain_Semaphore() called with NU_SUSPEND fails with NU_INVALID_SUSPEND in this context, but the return value wasn't checked, and NU_Release_Semaphore() would be called unconditionally at the end. The latter call would increment the semaphore count past 1, making the semaphore no longer binary and thus no longer effective for resource protection. The fix is to check the return value from NU_Obtain_Semaphore() and skip the NU_Release_Semaphore() call if the semaphore wasn't properly obtained. * Some SPI hardware manipulation was being done before entering the semaphore- protected critical section. The fix is to reorder the code: first obtain the semaphore, then do everything else. * In the corner case of L1/DSP recovery, l1_abb_power_on() would call some non-semaphore-protected ABB & SPI init functions. The fix is to skip those calls in the case of recovery. * A few additional corner cases existed, all of which are fixed by making ABB semaphore protection 100% consistent for all ABB functions and code paths. There is still one remaining problem of priority inversion: suppose a low- priority task calls an ABB function, and some medium-priority task just happens to preempt right in the middle of that semaphore-protected ABB operation. Then the high-priority SPI task is locked out for a non-deterministic time until that medium-priority task finishes its work and goes back to sleep. This priority inversion problem remains outstanding for now.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 26 Apr 2021 20:55:25 +0000
parents 4e78acac3d88
children
line wrap: on
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#----------------------------------------------------------------------------- 
#  Project :  
#  Modul   :  ccddata.mk
#----------------------------------------------------------------------------- 
#  Copyright 2002 Texas Instruments Berlin, AG 
#                 All rights reserved. 
# 
#                 This file is confidential and a trade secret of Texas 
#                 Instruments Berlin, AG 
#                 The receipt of or possession of this file does not convey 
#                 any rights to reproduce or disclose its contents or to 
#                 manufacture, use, or sell anything it may describe, in 
#                 whole, or in part, without the specific written consent of 
#                 Texas Instruments Berlin, AG. 
#----------------------------------------------------------------------------- 
#  Purpose : Building Ccddata Dll/Lib. 
#----------------------------------------------------------------------------- 

ifndef TARGET
  TARGET=win32
endif

ifeq ($(TARGET), nuc)
  override TARGET=arm7
endif
PLATFORM=$(TARGET)

COFILES=

include ccd_base.mk

ifeq ($(PROST), g23net)
  CDGINCDIR=$(TESTROOT)/Cdginc
  PROSTCFLAGS= #??? -DOPTION_MULTITHREADED -DSHARED_CCD
endif

ifeq ($(PROST), g23m)
  CDGINCDIR=$(TESTROOT)/ms/CDGINC
endif

ifeq ($(PROST), gsm)
  CDGINCDIR=$(TESTROOT)/ms/CDGINC
endif

ifeq ($(PROST), gprs)
  ifeq ($(TARGET), arm7)
    CDGINCDIR=$(TESTROOT)/cdginc/cdginc_vo
  else
    CDGINCDIR=$(TESTROOT)/ms/CDGINC
  endif
endif

ifeq ($(PROST), generic)
  ifndef CDGINCDIR
    CDGINCDIR=$(GPF)/util/teststack/inc/cdginc/
  endif
endif

ifndef CCDDATADIR
  CCDDATADIR=$(GPFPRJDIR)
endif
override CCDDATADIR:=$(subst \,/,$(CCDDATADIR))

CCDDATA_OBJECTS=ccddata_ccd.obj ccddata_mconst.obj ccddata_ccdmtab.obj\
                ccddata_cdemval.obj ccddata_ccdent.obj 
CCDDATA_OBJFILES=$(patsubst %.obj,$(OBJDIR)/%.obj,$(CCDDATA_OBJECTS))

CCDDATA_EXE_OBJECTS=cdt.obj
CCDDATA_EXE_OBJFILES=$(patsubst %.obj,$(OBJDIR)/%.obj,$(CCDDATA_EXE_OBJECTS))

LNTFILES=$(patsubst %.obj,%.lto,$(CCDDATA_OBJECTS))

# win32
ifeq ($(TARGET),win32)

include ccddata_version.h

ifeq ($(LOAD),1)
  PART=load
  DLL_PREFIX=
  CCDDATA_OBJECTS = ccddata_load.obj
  COFILES+=$(CCDDATA_LIB)
  LDFLAGS_DLL+=/IMPLIB:$(CCDDATA_IMPLIB)
  DEFINES+=-DCCDDATA_LOAD
else
  PART=dll
  DLL_PREFIX=cddl_
  LDFLAGS_DLL+=/COMMENT:CCDDATA_$(CCDDATA_VERSION)
  CCDDATA_OBJECTS += ccddata_pconst.obj ccddata_ccdptab.obj \
                   ccddata_cdemstr.obj ccddata_cdepval.obj \
                   ccddata_tap_priv.obj ccddata_alias.obj \
                   ccddata_version.obj ccddata_eg.obj ccddata_pdi.obj
endif

  include ccddata_exp.mk

  CCDDATA_LIB=$(GPFBINDIR)/ccddata_$(PART).dll
  CCDDATA_IMPLIB=$(subst win32,WIN32,$(GPFLIBDIR)/ccddata_$(PART).lib)
  CCDDATA_IMPLIB_LOCAL=$(OBJDIR)/ccddata_$(PART).lib
  COFILES+=$(CCDDATA_IMPLIB)

  CCDEDIT_LIB=$(GPFLIBDIR)/ccdedit.lib
  CCD_LIB=$(GPFLIBDIR)/ccd.lib
  PCON_LIB=$(GPFLIBDIR)/pcon.lib
  FRAME_LIB=$(GPFLIBDIR)/frame.lib

  CCDDATA_EXE=$(GPFBINDIR)/cdt.exe

  INCLUDES+=-I"$(CDGINCDIR)"
  DEFINES+=-DCCDDATA_DABSTR
  LDFLAGS_DLL+=/nologo /dll $(PROSTLDFLAGS) $(CCDEDIT_LIB)
  ifneq ($(LOAD),1)
    LDFLAGS_DLL+=/IMPLIB:$(CCDDATA_IMPLIB_LOCAL)
  else
    LINK_EXPORTS+=/EXPORT:ccddata_init /EXPORT:ccddata_exit\
                  /EXPORT:ccddata_dllname /SECTION:.shared,RWS
  endif
  LDFLAGS_DLL+=/OUT:"$@" $(LINK_EXPORTS) 
  LDFLAGS_DLL+= $(PCON_LIB) $(CCD_LIB) $(FRAME_LIB) 

  LDFLAGS_EXE=/nologo /OUT:"$@" $(PROSTLDFLAGS)

  ifeq ($(DEBUG), 1)
    LDFLAGS_EXE += /DEBUG /incremental:no /pdb:none
  endif

  ccddata: all

  $(CCDDATA_LIB): $(CCDDATA_OBJECTS) 
	$(LINK) $(LDFLAGS_DLL) $(CCDDATA_OBJFILES)

  cdt: $(CCDDATA_EXE) 

  $(CCDDATA_EXE): $(CCDDATA_EXE_OBJECTS) 
	-cleartool co -nda -nc $@
	$(LINK) $(LDFLAGS_EXE) $(CCDDATA_EXE_OBJFILES) $(CCDDATA_IMPLIB)

else
  CCDDATA_OBJECTS += ccd_config.obj
endif # target == win32

# nucwin
ifeq ($(TARGET),nucwin)
  CCDDATA_LIB=$(CCDDATADIR)/ccddata.lib
  INCLUDES+=-I"$(CDGINCDIR)"
  LDFLAGS+=/OUT:"$(CCDDATA_LIB)"
  # currently for all nucwin: put the p* info for PCON in the lib
  CCDDATA_OBJECTS += ccddata_pconst.obj ccddata_ccdptab.obj 
  # and for the concept of synchronous frame with the tap inside
  # of the protocol stack include also most of the rest of ccddata; it
  # should not matter even without the tap
  CCDDATA_OBJECTS += ccddata_cdemstr.obj ccddata_cdepval.obj \
                   ccddata_tap_priv.obj ccddata_alias.obj

  $(CCDDATA_LIB): $(CCDDATA_OBJECTS) 
	$(MKLIB) $(LDFLAGS) $(CCDDATA_OBJFILES)

endif # target == nucwin

# nuc
ifeq ($(TARGET),arm7)
  CCDDATA_OBJECTS += ccddata_pconst.obj ccddata_ccdptab.obj
  ifeq ($(CCD_SYMBOLS), 1)
    CCDDATA_OBJECTS += ccddata_alias.obj 
  endif
  CCDDATA_LIB=$(CCDDATADIR)/ccddata.lib
  override CCDDATA_LIB:=$(subst \,/,$(CCDDATA_LIB))
  INCLUDES+=-I"$(CDGINCDIR)"
  LDFLAGS+=-rq $@  
  $(CCDDATA_LIB): $(CCDDATA_OBJECTS) 
	$(MKLIB) $(LDFLAGS) $(CCDDATA_OBJFILES)
endif # target == arm7

# arm9
ifeq ($(TARGET),arm9)
    CCDDATA_OBJECTS += ccddata_pconst.obj ccddata_ccdptab.obj
    ifeq ($(CCD_SYMBOLS), 1)
      CCDDATA_OBJECTS += ccddata_alias.obj 
    endif
    CCDDATA_LIB=$(CCDDATADIR)/ccddata.lib
    INCLUDES+=-I"$(CDGINCDIR)"
    LDFLAGS+=-rq $@
    $(CCDDATA_LIB): $(CCDDATA_OBJECTS) 
	$(MKLIB) $(LDFLAGS) $(CCDDATA_OBJFILES)
endif # target = arm9

# arm_b16
ifeq ($(TARGET),arm_b16)
  CCDDATA_LIB=$(CCDDATADIR)/ccddata.lib
  INCLUDES+=-I"$(CDGINCDIR)"
  LDFLAGS+=-rv $@
  $(CCDDATA_LIB): $(CCDDATA_OBJECTS) 
	$(MKLIB) $(LDFLAGS) $(CCDDATA_OBJFILES)
endif # target == arm_b16

# arm_b32
ifeq ($(TARGET),arm_b32)
  CCDDATA_LIB=$(CCDDATADIR)/ccddata.lib
  INCLUDES+=-I"$(CDGINCDIR)"
  LDFLAGS+=-rv $@
  $(CCDDATA_LIB): $(CCDDATA_OBJECTS) 
	$(MKLIB) $(LDFLAGS) $(CCDDATA_OBJFILES)
endif # target == arm_b32

# psos
ifeq ($(TARGET),psos)
  CCDDATA_LIB=$(CCDDATADIR)/ccddata.lib
  INCLUDES+=-I"$(CDGINCDIR)"
  LDFLAGS+=$@
  $(CCDDATA_LIB): $(COPTS_FILE) $(CCDDATA_OBJECTS) 
	$(MKLIB) $(LDFLAGS) $(CCDDATA_OBJFILES)
	$(RM) $(COPTS_FILE)

$(COPTS_FILE):
	@echo $(_CFLAGS) >  c.opt
	@echo $(INCLUDES) >> c.opt
	@echo $(DEFINES) >> c.opt

endif # target == psos

# sus environments
ifeq ($(OSENV), sus)
  CCDDATA_LIB=$(CCDDATADIR)/libccddata.a
  INCLUDES+=-I$(CDGINCDIR)
  # currently for all emulations: put the p* info for PCON in the lib
  CCDDATA_OBJECTS += ccddata_pconst.obj ccddata_ccdptab.obj 
  # and for the concept of synchronous frame with the tap inside
  # of the protocol stack include also most of the rest of ccddata; it
  # should not matter even without the tap
  CCDDATA_OBJECTS += ccddata_cdemstr.obj ccddata_cdepval.obj \
                   ccddata_tap_priv.obj ccddata_alias.obj

  $(CCDDATA_LIB): $(CCDDATA_OBJECTS) 
	$(MKLIB) $(CCDDATA_LIB) $(CCDDATA_OBJFILES)
	$(RANLIB) $(CCDDATA_LIB)

endif # sus

all:  $(CCDDATA_LIB)

exe: $(CCDDATA_EXE)

$(CCDDATA_OBJECTS) $(CCDDATA_EXE_OBJECTS):\
	            %.obj:	%.c $(OBJDIR)
	$(CC) $(CFLAGS) "$<"

CCDDATA_LIBDIR=$(subst \,/,$(dir $(CCDDATA_LIB))).

$(CCDDATA_LIB): $(CCDDATA_LIBDIR) $(CCDEDIT_LIB)

$(OBJDIR) $(CCDDATA_LIBDIR):
	@$(MKDIR) -p $@

clean:
	$(RM) $(OBJDIR)/ccddata* $(OBJDIR)/ccd_config* $(OBJDIR)/cdt.obj \
	  $(CCDDATA_LIB)

help:
	@echo Usage: gnumake -f ccddata.mk [ DEBUG=1 ] TARGET=target
	@echo with target: arm7, arm9, arm_b16, arm_b32, nucwin, win32, or psos
	@echo further options:
	@echo CCDENT=0 when the file ccdent.cdg does not exist in the\
	               cdginc directory
	@echo CCDALIAS=0 when the files malias.cdg and palias.cdg do not exist\
	                 in the cdginc directory
	@echo CDEMSTR=0 when the file cdemstr.cdg.cdg does not exist\
	                 in the cdginc directory
	@echo CDGINCDIR=path with the path to the cdginc directory
	@echo CCDDATA_LIB=path with the path to the ccddata lib to be built

ci:
	-cleartool ci -nc $(COFILES)

co:
	-cleartool co -nda -nc $(COFILES)

-include ccd_lnt.mk
include ccddata_dep.mk